TITLE: WARNING in smk_write_syslog
TYPE: WARNING
PANICKED: Y

[  192.620756][T13366] ------------[ cut here ]------------
[  192.647232][T13366] WARNING: CPU: 1 PID: 13366 at mm/page_alloc.c:4976 __alloc_pages_nodemask+0x4e5/0x5a0
[  192.704845][T13366] Modules linked in:
[  192.724070][T13366] CPU: 1 PID: 13366 Comm: syz-executor.5 Not tainted 5.11.0-rc3-syzkaller #0
[  192.786822][T13366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  192.852740][T13366] RIP: 0010:__alloc_pages_nodemask+0x4e5/0x5a0
[  192.889228][T13366] Code: aa 09 00 e9 dd fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c eb fd ff ff 4c 89 ef e8 54 aa 09 00 8b 74 24 18 e9 da fd ff ff <0f> 0b e9 f3 fd ff ff a9 00 00 08 00 75 16 8b 4c 24 1c 89 cb 81 e3
[  192.977169][T13366] RSP: 0018:ffffc90016797a60 EFLAGS: 00010246
[  193.009629][T13366] 
[  193.225940][T13366] RAX: ffffc90016797ae0 RBX: ffffc90016797ae0 RCX: 0000000000000000
[  193.255336][T13366] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90016797b08
[  193.269532][T13366] RBP: ffffc90016797ba0 R08: dffffc0000000000 R09: ffffc90016797ae0
[  193.277832][T13366] R10: fffff52002cf2f61 R11: 0000000000000000 R12: dffffc0000000000
[  193.289135][T13366] R13: 0000000000000012 R14: 1ffff92002cf2f58 R15: 0000000000040cc0
[  193.309526][T13366] FS:  00007f6f3b626700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[  193.319102][T13366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  193.325920][T13366] CR2: 000000000074c698 CR3: 000000001c2de000 CR4: 00000000001506e0
[  193.597701][T13366] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  193.624767][T13366] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  193.648243][T13366] Call Trace:
[  193.703817][T13366]  kmalloc_order+0x40/0x130
[  193.744112][T13366]  kmalloc_order_trace+0x15/0x70
[  193.760824][T13366]  __kmalloc_track_caller+0x246/0x330
[  193.830789][T13366]  memdup_user_nul+0x26/0xf0
[  193.837765][T13366]  smk_write_syslog+0x29/0x90
[  194.051394][T13366]  vfs_write+0x289/0xc90
[  194.089229][T13366]  ksys_write+0x171/0x2a0
[  194.133324][T13366]  do_syscall_64+0x2d/0x70
[  194.155889][T13366]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  194.198812][T13366] RIP: 0033:0x45e219
[  194.206643][T13366] Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[  194.303321][T13366] RSP: 002b:00007f6f3b625c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  194.319528][T13366] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219
[  194.334298][T13366] RDX: 00000000200000cb RSI: 00000000200000c0 RDI: 0000000000000003
[  194.344853][T13366] RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
[  194.412182][T13366] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
[  194.474111][T13366] R13: 00007fffb0c189af R14: 00007f6f3b6269c0 R15: 000000000119bf8c
[  194.510611][T13366] Kernel panic - not syncing: panic_on_warn set ...
[  194.517348][T13366] CPU: 1 PID: 13366 Comm: syz-executor.5 Not tainted 5.11.0-rc3-syzkaller #0
[  194.526231][T13366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  194.536312][T13366] Call Trace:
[  194.539612][T13366]  dump_stack+0x183/0x22e
[  194.554997][T13366]  panic+0x2e1/0x850
[  194.572776][T13366]  __warn+0x26a/0x270
[  194.587919][T13366]  report_bug+0x1b1/0x2e0
[  194.592280][T13366]  handle_bug+0x3d/0x70
[  194.596458][T13366]  exc_invalid_op+0x16/0x40
[  194.600985][T13366]  asm_exc_invalid_op+0x12/0x20
[  194.605858][T13366] RIP: 0010:__alloc_pages_nodemask+0x4e5/0x5a0
[  194.612037][T13366] Code: aa 09 00 e9 dd fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c eb fd ff ff 4c 89 ef e8 54 aa 09 00 8b 74 24 18 e9 da fd ff ff <0f> 0b e9 f3 fd ff ff a9 00 00 08 00 75 16 8b 4c 24 1c 89 cb 81 e3
[  194.631754][T13366] RSP: 0018:ffffc90016797a60 EFLAGS: 00010246
[  194.637858][T13366] RAX: ffffc90016797ae0 RBX: ffffc90016797ae0 RCX: 0000000000000000
[  194.645848][T13366] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90016797b08
[  194.653842][T13366] RBP: ffffc90016797ba0 R08: dffffc0000000000 R09: ffffc90016797ae0
[  194.661836][T13366] R10: fffff52002cf2f61 R11: 0000000000000000 R12: dffffc0000000000
[  194.669829][T13366] R13: 0000000000000012 R14: 1ffff92002cf2f58 R15: 0000000000040cc0
[  194.689056][T13366]  kmalloc_order+0x40/0x130
[  194.698907][T13366]  kmalloc_order_trace+0x15/0x70
[  194.703896][T13366]  __kmalloc_track_caller+0x246/0x330
[  194.713918][T13366]  memdup_user_nul+0x26/0xf0
[  194.718535][T13366]  smk_write_syslog+0x29/0x90
[  194.728063][T13366]  vfs_write+0x289/0xc90
[  194.761075][T13366]  ksys_write+0x171/0x2a0
[  194.783102][T13366]  do_syscall_64+0x2d/0x70
[  194.787582][T13366]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  194.794558][T13366] RIP: 0033:0x45e219
[  194.798473][T13366] Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[  194.818103][T13366] RSP: 002b:00007f6f3b625c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  194.826549][T13366] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219
[  194.834545][T13366] RDX: 00000000200000cb RSI: 00000000200000c0 RDI: 0000000000000003
[  194.842813][T13366] RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
[  194.850837][T13366] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
[  194.858830][T13366] R13: 00007fffb0c189af R14: 00007f6f3b6269c0 R15: 000000000119bf8c
[  194.867618][T13366] Kernel Offset: disabled
[  194.872124][T13366] Rebooting in 86400 seconds..
