OK
syzkaller
syzkaller login: [ 21.738418][ T1586] cgroup: Unknown subsys name 'net'
[ 21.854382][ T1586] cgroup: Unknown subsys name 'rlimit'
[ 22.004644][ T1580] syz-fuzzer[1580]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
[ 23.478088][ T1581] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
[ 23.573538][ T1581] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
Warning: Permanently added '10.128.0.15' (ED25519) to the list of known hosts.
2023/10/29 06:35:45 ignoring optional flag "sandboxArg"="0"
2023/10/29 06:35:45 parsed 1 programs
2023/10/29 06:35:45 executed programs: 0
[ 42.502394][ T2532] loop0: detected capacity change from 0 to 32768
[ 42.509655][ T2532] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0"
[ 42.518091][ T2532] gfs2: fsid=loop0: Now mounting FS (format 1801)...
[ 42.526340][ T2532] gfs2: fsid=loop0.0: journal 0 mapped with 3 extents in 0ms
[ 42.534506][ T27] gfs2: fsid=loop0.0: jid=0, already locked for use
[ 42.541260][ T27] gfs2: fsid=loop0.0: jid=0: Looking at journal...
[ 42.557414][ T27] gfs2: fsid=loop0.0: jid=0: Journal head lookup took 16ms
[ 42.565017][ T27] gfs2: fsid=loop0.0: jid=0: Done
[ 42.570120][ T2532] gfs2: fsid=loop0.0: first mount done, others may mount
[ 42.612894][ T2116] ------------[ cut here ]------------
[ 42.618745][ T2116] WARNING: CPU: 1 PID: 2116 at include/linux/backing-dev.h:255 __folio_mark_dirty+0x2ff/0x530
[ 42.629664][ T2116] Modules linked in:
[ 42.633806][ T2116] CPU: 1 PID: 2116 Comm: syz-executor.0 Not tainted 6.6.0-rc7-syzkaller #0
[ 42.642556][ T2116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 42.652969][ T2116] RIP: 0010:__folio_mark_dirty+0x2ff/0x530
[ 42.659106][ T2116] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d e9 4c f2 28 01 0f 0b e9 81 fd ff ff 0f 0b e9 93 fd ff ff 4c 89 ef 4c 89 e6 e8 23 e2 0d 00 eb b3 <0f> 0b e9 35 fe ff ff f3 0f 1e fa 65 8b 05 4b 34 e3 7e 83 f8 08 0f
[ 42.678966][ T2116] RSP: 0018:ffffc90000eb3cb8 EFLAGS: 00010046
[ 42.685317][ T2116] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88810f25e388
[ 42.693877][ T2116] RDX: c6a72ff9fd526ba4 RSI: ffffffff82cc1126 RDI: ffffffff82d28937
[ 42.702179][ T2116] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 42.710518][ T2116] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881104c1148
[ 42.719064][ T2116] R13: ffffea000430ff80 R14: ffff88810cb5d5c8 R15: 0000000000000286
[ 42.730093][ T2116] FS: 0000555556a73480(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
[ 42.743516][ T2116] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.750807][ T2116] CR2: 00007ffdc0caaba8 CR3: 000000010bf2a000 CR4: 00000000003506e0
[ 42.759576][ T2116] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 42.768431][ T2116] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 42.776904][ T2116] Call Trace:
[ 42.780261][ T2116]
[ 42.783352][ T2116] ? __warn+0xc4/0x1f0
[ 42.787484][ T2116] ? __folio_mark_dirty+0x2ff/0x530
[ 42.792908][ T2116] ? report_bug+0xce/0x160
[ 42.797392][ T2116] ? handle_bug+0x3d/0x70
[ 42.801883][ T2116] ? exc_invalid_op+0x1a/0x50
[ 42.811661][ T2116] ? asm_exc_invalid_op+0x1a/0x20
[ 42.817189][ T2116] ? __folio_mark_dirty+0x2ff/0x530
[ 42.823767][ T2116] ? __folio_mark_dirty+0x133/0x530
[ 42.829206][ T2116] mark_buffer_dirty+0xab/0x180
[ 42.834286][ T2116] gfs2_unpin+0x4e/0x2b0
[ 42.838797][ T2116] ? log_write_header+0x22d/0x2a0
[ 42.843783][ T2116] buf_lo_after_commit+0x3b/0x70
[ 42.848915][ T2116] gfs2_log_flush+0x4ba/0xb70
[ 42.853741][ T2116] gfs2_kill_sb+0x37/0x170
[ 42.858385][ T2116] ? rcu_is_watching+0x10/0x40
[ 42.863461][ T2116] deactivate_locked_super+0x2a/0x90
[ 42.868713][ T2116] cleanup_mnt+0xfe/0x150
[ 42.873358][ T2116] task_work_run+0x7d/0xa0
[ 42.877914][ T2116] exit_to_user_mode_loop+0xa9/0xc0
[ 42.883345][ T2116] exit_to_user_mode_prepare+0x64/0xd0
[ 42.889029][ T2116] syscall_exit_to_user_mode+0x2c/0x210
[ 42.894977][ T2116] do_syscall_64+0x4d/0x90
[ 42.899365][ T2116] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 42.905446][ T2116] RIP: 0033:0x7fb41427dbc7
[ 42.910272][ T2116] Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
[ 42.930449][ T2116] RSP: 002b:00007ffdc0cab358 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 42.939016][ T2116] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb41427dbc7
[ 42.947485][ T2116] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffdc0cab410
[ 42.955696][ T2116] RBP: 00007ffdc0cab410 R08: 0000000000000000 R09: 0000000000000000
[ 42.963919][ T2116] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdc0cac4d0
[ 42.972406][ T2116] R13: 00007fb4142d7aa2 R14: 000000000000a5b1 R15: 0000000000000002
[ 42.980618][ T2116]
[ 42.983710][ T2116] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 42.991734][ T2116] CPU: 1 PID: 2116 Comm: syz-executor.0 Not tainted 6.6.0-rc7-syzkaller #0
[ 43.000872][ T2116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 43.011524][ T2116] Call Trace:
[ 43.015324][ T2116]
[ 43.018329][ T2116] dump_stack_lvl+0x83/0xd0
[ 43.023160][ T2116] panic+0x117/0x2c0
[ 43.027142][ T2116] ? __folio_mark_dirty+0x2ff/0x530
[ 43.032838][ T2116] __warn+0x15f/0x1f0
[ 43.037178][ T2116] ? __folio_mark_dirty+0x2ff/0x530
[ 43.042433][ T2116] report_bug+0xce/0x160
[ 43.046995][ T2116] handle_bug+0x3d/0x70
[ 43.052014][ T2116] exc_invalid_op+0x1a/0x50
[ 43.056933][ T2116] asm_exc_invalid_op+0x1a/0x20
[ 43.061778][ T2116] RIP: 0010:__folio_mark_dirty+0x2ff/0x530
[ 43.067836][ T2116] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d e9 4c f2 28 01 0f 0b e9 81 fd ff ff 0f 0b e9 93 fd ff ff 4c 89 ef 4c 89 e6 e8 23 e2 0d 00 eb b3 <0f> 0b e9 35 fe ff ff f3 0f 1e fa 65 8b 05 4b 34 e3 7e 83 f8 08 0f
[ 43.087857][ T2116] RSP: 0018:ffffc90000eb3cb8 EFLAGS: 00010046
[ 43.094203][ T2116] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88810f25e388
[ 43.102420][ T2116] RDX: c6a72ff9fd526ba4 RSI: ffffffff82cc1126 RDI: ffffffff82d28937
[ 43.110524][ T2116] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[ 43.118677][ T2116] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881104c1148
[ 43.126718][ T2116] R13: ffffea000430ff80 R14: ffff88810cb5d5c8 R15: 0000000000000286
[ 43.135025][ T2116] ? __folio_mark_dirty+0x133/0x530
[ 43.140538][ T2116] mark_buffer_dirty+0xab/0x180
[ 43.145445][ T2116] gfs2_unpin+0x4e/0x2b0
[ 43.150088][ T2116] ? log_write_header+0x22d/0x2a0
[ 43.155189][ T2116] buf_lo_after_commit+0x3b/0x70
[ 43.160210][ T2116] gfs2_log_flush+0x4ba/0xb70
[ 43.164870][ T2116] gfs2_kill_sb+0x37/0x170
[ 43.169523][ T2116] ? rcu_is_watching+0x10/0x40
[ 43.174357][ T2116] deactivate_locked_super+0x2a/0x90
[ 43.179697][ T2116] cleanup_mnt+0xfe/0x150
[ 43.184004][ T2116] task_work_run+0x7d/0xa0
[ 43.188532][ T2116] exit_to_user_mode_loop+0xa9/0xc0
[ 43.193968][ T2116] exit_to_user_mode_prepare+0x64/0xd0
[ 43.200638][ T2116] syscall_exit_to_user_mode+0x2c/0x210
[ 43.207949][ T2116] do_syscall_64+0x4d/0x90
[ 43.212615][ T2116] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 43.218580][ T2116] RIP: 0033:0x7fb41427dbc7
[ 43.223351][ T2116] Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
[ 43.243801][ T2116] RSP: 002b:00007ffdc0cab358 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 43.254972][ T2116] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb41427dbc7
[ 43.263349][ T2116] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffdc0cab410
[ 43.271482][ T2116] RBP: 00007ffdc0cab410 R08: 0000000000000000 R09: 0000000000000000
[ 43.279541][ T2116] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffdc0cac4d0
[ 43.287585][ T2116] R13: 00007fb4142d7aa2 R14: 000000000000a5b1 R15: 0000000000000002
[ 43.295703][ T2116]
[ 43.299132][ T2116] Kernel Offset: disabled
[ 43.304366][ T2116] Rebooting in 86400 seconds..