[  OK  ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
[  OK  ] Started Getty on tty6.
[  OK  ] Started Getty on tty5.
[  OK  ] Started Getty on tty4.
[  OK  ] Started Getty on tty3.
[  OK  ] Started Getty on tty1.
[  OK  ] Started Serial Getty on ttyS0.
[  OK  ] Started Getty on tty2.
[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Update UTMP about System Runlevel Changes.
[  OK  ] Started Load/Save RF Kill Switch Status.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.135' (ECDSA) to the list of known hosts.
syzkaller login: [   66.514549][   T27] audit: type=1400 audit(1598682553.486:8): avc:  denied  { execmem } for  pid=6857 comm="syz-executor022" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   66.536969][ T6866] IPVS: ftp: loaded support on port[0] = 21
[   66.553287][ T6864] IPVS: ftp: loaded support on port[0] = 21
[   66.560372][ T6867] IPVS: ftp: loaded support on port[0] = 21
[   66.571266][ T6865] IPVS: ftp: loaded support on port[0] = 21
[   66.574955][ T6869] IPVS: ftp: loaded support on port[0] = 21
[   66.584673][ T6868] IPVS: ftp: loaded support on port[0] = 21
[   66.713589][   T27] audit: type=1400 audit(1598682553.686:9): avc:  denied  { block_suspend } for  pid=6940 comm="syz-executor022" capability=36  scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
[   91.742804][T21326] ------------[ cut here ]------------
[   91.748597][T21342] ------------[ cut here ]------------
[   91.754454][T21348] ------------[ cut here ]------------
[   91.760192][T21341] ------------[ cut here ]------------
[   91.765730][T21341] kernel BUG at fs/inode.c:1668!
[   91.773426][T21348] kernel BUG at fs/inode.c:1668!
[   91.779067][T21326] kernel BUG at fs/inode.c:1668!
[   91.784084][T21342] kernel BUG at fs/inode.c:1668!
[   91.814387][T21341] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   91.820603][T21341] CPU: 1 PID: 21341 Comm: syz-executor022 Not tainted 5.9.0-rc2-syzkaller #0
[   91.829345][T21341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   91.839405][T21341] RIP: 0010:iput+0x64/0x70
[   91.843818][T21341] Code: ff 83 e3 40 48 89 de e8 3a d9 ad ff 48 85 db 75 14 e8 90 dc ad ff 48 89 ef e8 58 f7 ff ff 5b 5d e9 81 dc ad ff e8 7c dc ad ff <0f> 0b e8 05 f5 ed ff eb c5 0f 1f 00 41 56 41 55 41 54 55 48 89 fd
[   91.863414][T21341] RSP: 0018:ffffc9000e31fe10 EFLAGS: 00010293
[   91.869473][T21341] RAX: 0000000000000000 RBX: 0000000000000040 RCX: ffffffff81c66276
[   91.877442][T21341] RDX: ffff88809903a0c0 RSI: ffffffff81c66294 RDI: 0000000000000007
[   91.885398][T21341] RBP: ffff88808cb250c0 R08: 0000000000000001 R09: ffff88809d16e1a3
[   91.893364][T21341] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   91.901331][T21341] R13: ffff88808cb25020 R14: ffff88808cb250c0 R15: ffff8880875b7468
[   91.909304][T21341] FS:  0000000000b10880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   91.918223][T21341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.924802][T21341] CR2: 00007f7e427d4e78 CR3: 0000000098130000 CR4: 00000000001506e0
[   91.932769][T21341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   91.940734][T21341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   91.948694][T21341] Call Trace:
[   91.951985][T21341]  __sock_release+0x20c/0x280
[   91.956662][T21341]  sock_close+0x18/0x20
[   91.960811][T21341]  __fput+0x285/0x920
[   91.964799][T21341]  ? __sock_release+0x280/0x280
[   91.969643][T21341]  task_work_run+0xdd/0x190
[   91.974146][T21341]  exit_to_user_mode_prepare+0x195/0x1c0
[   91.979775][T21341]  syscall_exit_to_user_mode+0x59/0x2b0
[   91.985327][T21341]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   91.991226][T21341] RIP: 0033:0x405891
[   91.995112][T21341] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 6a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 b3 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
[   92.014704][T21341] RSP: 002b:00007ffde82349c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[   92.023105][T21341] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000405891
[   92.031064][T21341] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[   92.039030][T21341] RBP: 0000000000000005 R08: 0000000120080522 R09: 0000000120080522
[   92.046994][T21341] R10: 00007ffde82349e0 R11: 0000000000000293 R12: 00000000006dbc4c
[   92.054953][T21341] R13: 0000000000000000 R14: 000000000000002d R15: 0000000000000064
[   92.062915][T21341] Modules linked in:
[   92.078367][T21326] invalid opcode: 0000 [#2] PREEMPT SMP KASAN
[   92.084433][T21326] CPU: 0 PID: 21326 Comm: syz-executor022 Tainted: G      D           5.9.0-rc2-syzkaller #0
[   92.094547][T21326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   92.104578][T21326] RIP: 0010:iput+0x64/0x70
[   92.108976][T21326] Code: ff 83 e3 40 48 89 de e8 3a d9 ad ff 48 85 db 75 14 e8 90 dc ad ff 48 89 ef e8 58 f7 ff ff 5b 5d e9 81 dc ad ff e8 7c dc ad ff <0f> 0b e8 05 f5 ed ff eb c5 0f 1f 00 41 56 41 55 41 54 55 48 89 fd
[   92.128551][T21326] RSP: 0018:ffffc9000e1afe10 EFLAGS: 00010293
[   92.134584][T21326] RAX: 0000000000000000 RBX: 0000000000000040 RCX: ffffffff81c66276
[   92.142561][T21326] RDX: ffff888084524340 RSI: ffffffff81c66294 RDI: 0000000000000007
[   92.150505][T21326] RBP: ffff88808c8eeb40 R08: 0000000000000001 R09: ffff888099794423
[   92.158451][T21326] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   92.166396][T21326] R13: ffff88808c8eeaa0 R14: ffff88808c8eeb40 R15: ffff88808486d6e0
[   92.174341][T21326] FS:  0000000000b10880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
[   92.183276][T21326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.189836][T21326] CR2: 00000000006db1b0 CR3: 000000009d3aa000 CR4: 00000000001506f0
[   92.197781][T21326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   92.205759][T21326] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   92.213827][T21326] Call Trace:
[   92.217095][T21326]  __sock_release+0x20c/0x280
[   92.221743][T21326]  sock_close+0x18/0x20
[   92.225867][T21326]  __fput+0x285/0x920
[   92.229829][T21326]  ? __sock_release+0x280/0x280
[   92.234651][T21326]  task_work_run+0xdd/0x190
[   92.239136][T21326]  exit_to_user_mode_prepare+0x195/0x1c0
[   92.244753][T21326]  syscall_exit_to_user_mode+0x59/0x2b0
[   92.250281][T21326]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   92.256142][T21326] RIP: 0033:0x405891
[   92.260009][T21326] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 6a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 b3 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
[   92.279581][T21326] RSP: 002b:00007ffde82349c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[   92.287961][T21326] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000405891
[   92.295902][T21326] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[   92.303845][T21326] RBP: 0000000000000005 R08: 0000000120080522 R09: 0000000120080522
[   92.311787][T21326] R10: 00007ffde82349e0 R11: 0000000000000293 R12: 00000000006dbc4c
[   92.319731][T21326] R13: 0000000000000000 R14: 000000000000002d R15: 0000000000000064
[   92.327674][T21326] Modules linked in:
[   92.331587][T21348] invalid opcode: 0000 [#3] PREEMPT SMP KASAN
[   92.332017][T21341] ---[ end trace 1fc7a47bc863ec89 ]---
[   92.337650][T21348] CPU: 1 PID: 21348 Comm: syz-executor022 Tainted: G      D           5.9.0-rc2-syzkaller #0
[   92.337657][T21348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   92.337672][T21348] RIP: 0010:iput+0x64/0x70
[   92.337683][T21348] Code: ff 83 e3 40 48 89 de e8 3a d9 ad ff 48 85 db 75 14 e8 90 dc ad ff 48 89 ef e8 58 f7 ff ff 5b 5d e9 81 dc ad ff e8 7c dc ad ff <0f> 0b e8 05 f5 ed ff eb c5 0f 1f 00 41 56 41 55 41 54 55 48 89 fd
[   92.337695][T21348] RSP: 0018:ffffc9000e40fe10 EFLAGS: 00010293
[   92.343184][T21326] ---[ end trace 1fc7a47bc863ec8a ]---
[   92.353237][T21348] RAX: 0000000000000000 RBX: 0000000000000040 RCX: ffffffff81c66276
[   92.353246][T21348] RDX: ffff88809e98a140 RSI: ffffffff81c66294 RDI: 0000000000000007
[   92.353255][T21348] RBP: ffff8880831dfb40 R08: 0000000000000001 R09: ffff88809903a0e3
[   92.353262][T21348] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   92.353269][T21348] R13: ffff8880831dfaa0 R14: ffff8880831dfb40 R15: ffff8880875b7178
[   92.353285][T21348] FS:  0000000000b10880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   92.364321][T21341] RIP: 0010:iput+0x64/0x70
[   92.367699][T21348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.367708][T21348] CR2: 00007efe413d8000 CR3: 00000000a8092000 CR4: 00000000001506e0
[   92.367718][T21348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   92.367726][T21348] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   92.367729][T21348] Call Trace:
[   92.367745][T21348]  __sock_release+0x20c/0x280
[   92.367764][T21348]  sock_close+0x18/0x20
[   92.387428][T21326] RIP: 0010:iput+0x64/0x70
[   92.393376][T21348]  __fput+0x285/0x920
[   92.393391][T21348]  ? __sock_release+0x280/0x280
[   92.393404][T21348]  task_work_run+0xdd/0x190
[   92.393424][T21348]  exit_to_user_mode_prepare+0x195/0x1c0
[   92.398926][T21341] Code: ff 83 e3 40 48 89 de e8 3a d9 ad ff 48 85 db 75 14 e8 90 dc ad ff 48 89 ef e8 58 f7 ff ff 5b 5d e9 81 dc ad ff e8 7c dc ad ff <0f> 0b e8 05 f5 ed ff eb c5 0f 1f 00 41 56 41 55 41 54 55 48 89 fd
[   92.406794][T21348]  syscall_exit_to_user_mode+0x59/0x2b0
[   92.406809][T21348]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   92.406818][T21348] RIP: 0033:0x405891
[   92.406837][T21348] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 6a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 b3 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
[   92.414862][T21326] Code: ff 83 e3 40 48 89 de e8 3a d9 ad ff 48 85 db 75 14 e8 90 dc ad ff 48 89 ef e8 58 f7 ff ff 5b 5d e9 81 dc ad ff e8 7c dc ad ff <0f> 0b e8 05 f5 ed ff eb c5 0f 1f 00 41 56 41 55 41 54 55 48 89 fd
[   92.422725][T21348] RSP: 002b:00007ffde82349c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[   92.422737][T21348] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000405891
[   92.422745][T21348] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[   92.422753][T21348] RBP: 0000000000000005 R08: 0000000120080522 R09: 0000000120080522
[   92.422761][T21348] R10: 00007ffde82349e0 R11: 0000000000000293 R12: 00000000006dbc4c
[   92.422773][T21348] R13: 0000000000000000 R14: 000000000000002d R15: 0000000000000064
[   92.430787][T21341] RSP: 0018:ffffc9000e31fe10 EFLAGS: 00010293
[   92.438658][T21348] Modules linked in:
[   92.442911][T21342] invalid opcode: 0000 [#4] PREEMPT SMP KASAN
[   92.464908][T21326] RSP: 0018:ffffc9000e31fe10 EFLAGS: 00010293
[   92.466506][T21342] CPU: 1 PID: 21342 Comm: syz-executor022 Tainted: G      D           5.9.0-rc2-syzkaller #0
[   92.466513][T21342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   92.466528][T21342] RIP: 0010:iput+0x64/0x70
[   92.466541][T21342] Code: ff 83 e3 40 48 89 de e8 3a d9 ad ff 48 85 db 75 14 e8 90 dc ad ff 48 89 ef e8 58 f7 ff ff 5b 5d e9 81 dc ad ff e8 7c dc ad ff <0f> 0b e8 05 f5 ed ff eb c5 0f 1f 00 41 56 41 55 41 54 55 48 89 fd
[   92.466553][T21342] RSP: 0018:ffffc9000e20fe10 EFLAGS: 00010293
[   92.480035][T21326] RAX: 0000000000000000 RBX: 0000000000000040 RCX: ffffffff81c66276
[   92.482445][T21342] RAX: 0000000000000000 RBX: 0000000000000040 RCX: ffffffff81c66276
[   92.482454][T21342] RDX: ffff888099794400 RSI: ffffffff81c66294 RDI: 0000000000000007
[   92.482463][T21342] RBP: ffff888083050600 R08: 0000000000000001 R09: ffff88809e98a163
[   92.482477][T21342] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   92.491282][T21326] RDX: ffff88809903a0c0 RSI: ffffffff81c66294 RDI: 0000000000000007
[   92.494512][T21342] R13: ffff888083050560 R14: ffff888083050600 R15: ffff8880877b6000
[   92.494524][T21342] FS:  0000000000b10880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   92.494534][T21342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.494548][T21342] CR2: 00007efe413d9000 CR3: 00000000950f2000 CR4: 00000000001506e0
[   92.500489][T21341] RAX: 0000000000000000 RBX: 0000000000000040 RCX: ffffffff81c66276
[   92.503065][T21342] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   92.503073][T21342] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   92.503077][T21342] Call Trace:
[   92.503094][T21342]  __sock_release+0x20c/0x280
[   92.503112][T21342]  sock_close+0x18/0x20
[   92.523409][T21326] RBP: ffff88808cb250c0 R08: 0000000000000001 R09: ffff88809d16e1a3
[   92.537591][T21342]  __fput+0x285/0x920
[   92.537607][T21342]  ? __sock_release+0x280/0x280
[   92.537620][T21342]  task_work_run+0xdd/0x190
[   92.537640][T21342]  exit_to_user_mode_prepare+0x195/0x1c0
[   92.545426][T21341] RDX: ffff88809903a0c0 RSI: ffffffff81c66294 RDI: 0000000000000007
[   92.549025][T21342]  syscall_exit_to_user_mode+0x59/0x2b0
[   92.549040][T21342]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   92.549049][T21342] RIP: 0033:0x405891
[   92.549066][T21342] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 6a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 b3 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
[   92.564633][T21341] RBP: ffff88808cb250c0 R08: 0000000000000001 R09: ffff88809d16e1a3
[   92.572505][T21342] RSP: 002b:00007ffde82349c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[   92.572518][T21342] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000405891
[   92.572526][T21342] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[   92.572534][T21342] RBP: 0000000000000005 R08: 0000000120080522 R09: 0000000120080522
[   92.572542][T21342] R10: 00007ffde82349e0 R11: 0000000000000293 R12: 00000000006dbc4c
[   92.572555][T21342] R13: 0000000000000000 R14: 000000000000002d R15: 0000000000000064
[   92.628107][T21326] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   92.632337][T21342] Modules linked in:
[   92.670033][T21342] ---[ end trace 1fc7a47bc863ec8b ]---
[   92.738918][T21341] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   92.749146][T21342] RIP: 0010:iput+0x64/0x70
[   92.793040][T21341] R13: ffff88808cb25020 R14: ffff88808cb250c0 R15: ffff8880875b7468
[   92.803921][T21342] Code: ff 83 e3 40 48 89 de e8 3a d9 ad ff 48 85 db 75 14 e8 90 dc ad ff 48 89 ef e8 58 f7 ff ff 5b 5d e9 81 dc ad ff e8 7c dc ad ff <0f> 0b e8 05 f5 ed ff eb c5 0f 1f 00 41 56 41 55 41 54 55 48 89 fd
[   92.950057][T21326] R13: ffff88808cb25020 R14: ffff88808cb250c0 R15: ffff8880875b7468
[   92.960219][T21342] RSP: 0018:ffffc9000e31fe10 EFLAGS: 00010293
[   92.985171][T21341] FS:  0000000000b10880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
[   92.994917][T21342] RAX: 0000000000000000 RBX: 0000000000000040 RCX: ffffffff81c66276
[   93.033100][T21326] FS:  0000000000b10880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
[   93.059095][T21342] RDX: ffff88809903a0c0 RSI: ffffffff81c66294 RDI: 0000000000000007
[   93.085187][T21348] ---[ end trace 1fc7a47bc863ec8c ]---
[   93.091020][T21342] RBP: ffff88808cb250c0 R08: 0000000000000001 R09: ffff88809d16e1a3
[   93.116752][T21348] RIP: 0010:iput+0x64/0x70
[   93.134467][T21342] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   93.161712][T21348] Code: ff 83 e3 40 48 89 de e8 3a d9 ad ff 48 85 db 75 14 e8 90 dc ad ff 48 89 ef e8 58 f7 ff ff 5b 5d e9 81 dc ad ff e8 7c dc ad ff <0f> 0b e8 05 f5 ed ff eb c5 0f 1f 00 41 56 41 55 41 54 55 48 89 fd
[   93.192815][T21341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.210732][T21326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.219341][T21342] R13: ffff88808cb25020 R14: ffff88808cb250c0 R15: ffff8880875b7468
[   93.230079][T21341] CR2: 00007f7e42792e78 CR3: 0000000098130000 CR4: 00000000001506f0
[   93.251900][T21326] CR2: 00007ffde82349e0 CR3: 000000009d3aa000 CR4: 00000000001506f0
[   93.258942][T21348] RSP: 0018:ffffc9000e31fe10 EFLAGS: 00010293
[   93.266685][T21342] FS:  0000000000b10880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   93.282225][T21341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   93.295506][T21348] RAX: 0000000000000000 RBX: 0000000000000040 RCX: ffffffff81c66276
[   93.308092][T21326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   93.309413][T21342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.323884][T21341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   93.338882][T21348] RDX: ffff88809903a0c0 RSI: ffffffff81c66294 RDI: 0000000000000007
[   93.349825][T21341] Kernel panic - not syncing: Fatal exception
[   93.357099][T21341] Kernel Offset: disabled
[   93.361408][T21341] Rebooting in 86400 seconds..