Re: memory leak in pppoe_sendmsg

From: syzbot
Date: Fri Jun 28 2019 - 14:58:10 EST

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syzbot has found a reproducer for the following crash on:

HEAD commit: c84afab0 Merge git://git.kernel.org/pub/scm/linux/kernel/g..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=164241d9a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=1db8bd6825f9661c
dashboard link: https://syzkaller.appspot.com/bug?extid=6bdfd184eac7709e5cc9
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=126c5f8da00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17cdd4eba00000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+6bdfd184eac7709e5cc9@xxxxxxxxxxxxxxxxxxxxxxxxx

executing program
BUG: memory leak
unreferenced object 0xffff888115942b00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.150s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113199800 (size 512):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.150s)
hex dump (first 32 bytes):
00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64 ...............d
11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000059b95d3a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000059b95d3a>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000059b95d3a>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000059b95d3a>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597
[<00000000fb30d91c>] __do_kmalloc_node mm/slab.c:3619 [inline]
[<00000000fb30d91c>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3634
[<0000000021df94db>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:138
[<000000003bd62b3e>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:206
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881130b9e00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955399 (age 32.140s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881131dcf00 (size 224):
comm "syz-executor057", pid 7192, jiffies 4294955408 (age 32.050s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 20 2d 13 81 88 ff ff ......... -.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115942b00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.220s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113199800 (size 512):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.220s)
hex dump (first 32 bytes):
00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64 ...............d
11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000059b95d3a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000059b95d3a>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000059b95d3a>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000059b95d3a>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597
[<00000000fb30d91c>] __do_kmalloc_node mm/slab.c:3619 [inline]
[<00000000fb30d91c>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3634
[<0000000021df94db>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:138
[<000000003bd62b3e>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:206
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881130b9e00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955399 (age 32.210s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881131dcf00 (size 224):
comm "syz-executor057", pid 7192, jiffies 4294955408 (age 32.120s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 20 2d 13 81 88 ff ff ......... -.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115942b00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.290s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113199800 (size 512):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.290s)
hex dump (first 32 bytes):
00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64 ...............d
11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000059b95d3a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000059b95d3a>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000059b95d3a>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000059b95d3a>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597
[<00000000fb30d91c>] __do_kmalloc_node mm/slab.c:3619 [inline]
[<00000000fb30d91c>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3634
[<0000000021df94db>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:138
[<000000003bd62b3e>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:206
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881130b9e00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955399 (age 32.280s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881131dcf00 (size 224):
comm "syz-executor057", pid 7192, jiffies 4294955408 (age 32.190s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 20 2d 13 81 88 ff ff ......... -.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115942b00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.350s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113199800 (size 512):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.350s)
hex dump (first 32 bytes):
00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64 ...............d
11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000059b95d3a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000059b95d3a>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000059b95d3a>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000059b95d3a>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597
[<00000000fb30d91c>] __do_kmalloc_node mm/slab.c:3619 [inline]
[<00000000fb30d91c>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3634
[<0000000021df94db>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:138
[<000000003bd62b3e>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:206
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881130b9e00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955399 (age 32.340s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881131dcf00 (size 224):
comm "syz-executor057", pid 7192, jiffies 4294955408 (age 32.250s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 20 2d 13 81 88 ff ff ......... -.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115942b00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.420s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113199800 (size 512):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.420s)
hex dump (first 32 bytes):
00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64 ...............d
11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000059b95d3a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000059b95d3a>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000059b95d3a>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000059b95d3a>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597
[<00000000fb30d91c>] __do_kmalloc_node mm/slab.c:3619 [inline]
[<00000000fb30d91c>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3634
[<0000000021df94db>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:138
[<000000003bd62b3e>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:206
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881130b9e00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955399 (age 32.410s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881131dcf00 (size 224):
comm "syz-executor057", pid 7192, jiffies 4294955408 (age 32.320s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 20 2d 13 81 88 ff ff ......... -.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115942b00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.480s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113199800 (size 512):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.480s)
hex dump (first 32 bytes):
00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64 ...............d
11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000059b95d3a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000059b95d3a>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000059b95d3a>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000059b95d3a>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597
[<00000000fb30d91c>] __do_kmalloc_node mm/slab.c:3619 [inline]
[<00000000fb30d91c>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3634
[<0000000021df94db>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:138
[<000000003bd62b3e>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:206
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881130b9e00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955399 (age 32.470s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881131dcf00 (size 224):
comm "syz-executor057", pid 7192, jiffies 4294955408 (age 32.380s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 20 2d 13 81 88 ff ff ......... -.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115942b00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.550s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113199800 (size 512):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.550s)
hex dump (first 32 bytes):
00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64 ...............d
11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000059b95d3a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000059b95d3a>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000059b95d3a>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000059b95d3a>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597
[<00000000fb30d91c>] __do_kmalloc_node mm/slab.c:3619 [inline]
[<00000000fb30d91c>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3634
[<0000000021df94db>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:138
[<000000003bd62b3e>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:206
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881130b9e00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955399 (age 32.540s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881131dcf00 (size 224):
comm "syz-executor057", pid 7192, jiffies 4294955408 (age 32.450s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 20 2d 13 81 88 ff ff ......... -.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888115942b00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.610s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888113199800 (size 512):
comm "syz-executor057", pid 7184, jiffies 4294955398 (age 32.610s)
hex dump (first 32 bytes):
00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64 ...............d
11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<0000000059b95d3a>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000059b95d3a>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000059b95d3a>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000059b95d3a>] kmem_cache_alloc_node_trace+0x15b/0x2a0 mm/slab.c:3597
[<00000000fb30d91c>] __do_kmalloc_node mm/slab.c:3619 [inline]
[<00000000fb30d91c>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3634
[<0000000021df94db>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:138
[<000000003bd62b3e>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:206
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881130b9e00 (size 224):
comm "syz-executor057", pid 7184, jiffies 4294955399 (age 32.600s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 08 58 13 81 88 ff ff ..........X.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881131dcf00 (size 224):
comm "syz-executor057", pid 7192, jiffies 4294955408 (age 32.510s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 20 2d 13 81 88 ff ff ......... -.....
backtrace:
[<0000000025f85882>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
[<0000000025f85882>] slab_post_alloc_hook mm/slab.h:439 [inline]
[<0000000025f85882>] slab_alloc_node mm/slab.c:3269 [inline]
[<0000000025f85882>] kmem_cache_alloc_node+0x153/0x2a0 mm/slab.c:3579
[<000000005b601dc8>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:194
[<000000003813d44c>] alloc_skb include/linux/skbuff.h:1054 [inline]
[<000000003813d44c>] sock_wmalloc+0x4f/0x80 net/core/sock.c:2071
[<000000003f8b1014>] pppoe_sendmsg+0xd0/0x250 drivers/net/ppp/pppoe.c:866
[<000000003841750c>] sock_sendmsg_nosec net/socket.c:646 [inline]
[<000000003841750c>] sock_sendmsg+0x54/0x70 net/socket.c:665
[<00000000f75dab14>] ___sys_sendmsg+0x194/0x3c0 net/socket.c:2286
[<000000004ca9b6e5>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2381
[<00000000e008d506>] __do_sys_sendmmsg net/socket.c:2410 [inline]
[<00000000e008d506>] __se_sys_sendmmsg net/socket.c:2407 [inline]
[<00000000e008d506>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2407
[<00000000f738b123>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
[<0000000081d80325>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

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