./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2213553821
<...>
[ 35.733377][ T4657] dhcpcd-run-hook (4657) used greatest stack depth: 22336 bytes left
forked to background, child pid 4653
[ 37.855105][ T4654] 8021q: adding VLAN 0 to HW filter on device bond0
[ 37.866953][ T4654] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.175' (ECDSA) to the list of known hosts.
execve("./syz-executor2213553821", ["./syz-executor2213553821"], 0x7ffd37842a50 /* 10 vars */) = 0
brk(NULL) = 0x555556a3e000
brk(0x555556a3ec40) = 0x555556a3ec40
arch_prctl(ARCH_SET_FS, 0x555556a3e300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor2213553821", 4096) = 28
brk(0x555556a5fc40) = 0x555556a5fc40
brk(0x555556a60000) = 0x555556a60000
mprotect(0x7f88cc357000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556a3e5d0) = 5080
./strace-static-x86_64: Process 5080 attached
[pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5080] setpgid(0, 0) = 0
[pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5080] write(3, "1000", 4) = 4
[pid 5080] close(3) = 0
[pid 5080] memfd_create("syzkaller", 0) = 3
[pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f88c3e8a000
syzkaller login: [ 59.684226][ T5080] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5080 'syz-executor221'
[pid 5080] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5080] munmap(0x7f88c3e8a000, 16777216) = 0
[pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5080] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5080] close(3) = 0
[pid 5080] mkdir("./bus", 0777) = 0
[ 59.946121][ T5080] loop0: detected capacity change from 0 to 32768
[ 59.963720][ T5080] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 59.972449][ T5080] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 59.988625][ T5080] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 59.999482][ T7] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 60.007200][ T7] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 60.077617][ T7] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 70ms
[ 60.085915][ T7] gfs2: fsid=syz:syz.0: jid=0: Done
[ 60.091585][ T5080] gfs2: fsid=syz:syz.0: first mount done, others may mount
[pid 5080] mount("/dev/loop0", "./bus", "gfs2", MS_SYNCHRONOUS, "localflocks,ignore_local_fs,") = 0
[pid 5080] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid 5080] chdir("./bus") = 0
[pid 5080] ioctl(4, LOOP_CLR_FD) = 0
[pid 5080] close(4) = 0
[ 60.272353][ T5080] ------------[ cut here ]------------
[ 60.278146][ T5080] WARNING: CPU: 0 PID: 5080 at include/linux/backing-dev.h:253 __folio_mark_dirty+0xba8/0xf70
[ 60.288414][ T5080] Modules linked in:
[ 60.292320][ T5080] CPU: 0 PID: 5080 Comm: syz-executor221 Not tainted 6.2.0-rc5-next-20230127-syzkaller-08766-ge2f86c02fdc9 #0
[ 60.303966][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 60.314042][ T5080] RIP: 0010:__folio_mark_dirty+0xba8/0xf70
[ 60.319885][ T5080] Code: 78 70 48 89 44 24 10 e8 76 f4 5c 08 31 ff 89 c6 89 44 24 10 e8 c9 df d1 ff 8b 44 24 10 85 c0 0f 85 62 f9 ff ff e8 68 e3 d1 ff <0f> 0b e9 56 f9 ff ff e8 5c e3 d1 ff e8 b7 56 ba ff 31 ff 41 89 c4
[ 60.339968][ T5080] RSP: 0018:ffffc90003c9f3a8 EFLAGS: 00010093
[ 60.346075][ T5080] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
[ 60.354052][ T5080] RDX: ffff88807b188000 RSI: ffffffff81b2d1b8 RDI: 0000000000000005
[ 60.362033][ T5080] RBP: ffffea0001d6b480 R08: 0000000000000005 R09: 0000000000000000
[ 60.370001][ T5080] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801b93c978
[ 60.377980][ T5080] R13: ffffffff8e74ae80 R14: 0000000000000293 R15: ffff888021b88c48
[ 60.385946][ T5080] FS: 0000555556a3e300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 60.394872][ T5080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.401462][ T5080] CR2: 00000000200001c8 CR3: 000000001ffa7000 CR4: 00000000003506f0
[ 60.409445][ T5080] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.417418][ T5080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.425395][ T5080] Call Trace:
[ 60.428670][ T5080]
[ 60.431603][ T5080] mark_buffer_dirty+0x3e8/0x570
[ 60.436557][ T5080] gfs2_unpin+0x109/0xcf0
[ 60.440902][ T5080] buf_lo_after_commit+0x144/0x210
[ 60.446022][ T5080] ? gfs2_unpin+0xcf0/0xcf0
[ 60.450545][ T5080] gfs2_log_flush+0x140f/0x2900
[ 60.455415][ T5080] ? gfs2_ail_drain+0x630/0x630
[ 60.460306][ T5080] ? gfs2_log_commit+0xabe/0x10f0
[ 60.465346][ T5080] ? rcu_read_lock_sched_held+0x3e/0x70
[ 60.470900][ T5080] gfs2_trans_end+0x6db/0xa00
[ 60.475582][ T5080] gfs2_create_inode+0x16f4/0x3460
[ 60.480717][ T5080] ? gfs2_getattr+0x4b0/0x4b0
[ 60.485397][ T5080] ? preempt_schedule_common+0x45/0xb0
[ 60.490856][ T5080] ? _raw_spin_unlock+0x3a/0x40
[ 60.495702][ T5080] ? d_add+0x3d6/0x780
[ 60.499780][ T5080] ? gfs2_atomic_open+0xb3/0x250
[ 60.504715][ T5080] ? __gfs2_lookup+0x19b/0x280
[ 60.509479][ T5080] ? gfs2_lookupi+0x640/0x640
[ 60.514153][ T5080] ? from_vfsuid+0x170/0x170
[ 60.518759][ T5080] gfs2_atomic_open+0xb3/0x250
[ 60.523533][ T5080] ? __gfs2_lookup+0x280/0x280
[ 60.528345][ T5080] lookup_open.isra.0+0xcdf/0x1400
[ 60.533513][ T5080] ? link_path_walk.part.0+0xd60/0xd60
[ 60.539013][ T5080] ? path_openat+0x90f/0x2750
[ 60.543719][ T5080] ? path_openat+0x90f/0x2750
[ 60.548409][ T5080] ? lock_acquire+0x32/0xc0
[ 60.553084][ T5080] ? path_openat+0x90f/0x2750
[ 60.557868][ T5080] ? down_write_killable_nested+0x250/0x250
[ 60.563783][ T5080] ? __mnt_want_write+0x1fe/0x2e0
[ 60.568844][ T5080] path_openat+0x975/0x2750
[ 60.573443][ T5080] ? path_lookupat+0x840/0x840
[ 60.578214][ T5080] do_filp_open+0x1ba/0x410
[ 60.582744][ T5080] ? may_open_dev+0xf0/0xf0
[ 60.587258][ T5080] ? find_held_lock+0x2d/0x110
[ 60.592033][ T5080] ? do_raw_spin_lock+0x124/0x2b0
[ 60.597133][ T5080] ? spin_bug+0x1c0/0x1c0
[ 60.601597][ T5080] ? _raw_spin_unlock+0x28/0x40
[ 60.606495][ T5080] ? alloc_fd+0x2e4/0x750
[ 60.610846][ T5080] do_sys_openat2+0x16d/0x4c0
[ 60.615535][ T5080] ? build_open_flags+0x6f0/0x6f0
[ 60.620772][ T5080] ? ptrace_notify+0xfe/0x140
[ 60.625452][ T5080] __x64_sys_openat+0x143/0x1f0
[ 60.630303][ T5080] ? __ia32_sys_open+0x1c0/0x1c0
[ 60.635237][ T5080] ? _raw_spin_unlock_irq+0x23/0x50
[ 60.640444][ T5080] ? lockdep_hardirqs_on+0x7d/0x100
[ 60.645638][ T5080] ? _raw_spin_unlock_irq+0x2e/0x50
[ 60.650850][ T5080] ? ptrace_notify+0xfe/0x140
[ 60.655525][ T5080] do_syscall_64+0x39/0xb0
[ 60.659941][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 60.665831][ T5080] RIP: 0033:0x7f88cc2d7229
[ 60.670238][ T5080] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[ 60.689840][ T5080] RSP: 002b:00007ffddeee9008 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 60.698248][ T5080] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f88cc2d7229
[ 60.706212][ T5080] RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c
[ 60.714191][ T5080] RBP: 0000000000000000 R08: 0000000000000002 R09: 00007f88cc357ec0
[ 60.722162][ T5080] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddeee9030
[ 60.730221][ T5080] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000
[ 60.738209][ T5080]
[ 60.741222][ T5080] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 60.748491][ T5080] CPU: 0 PID: 5080 Comm: syz-executor221 Not tainted 6.2.0-rc5-next-20230127-syzkaller-08766-ge2f86c02fdc9 #0
[ 60.760113][ T5080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
[ 60.770188][ T5080] Call Trace:
[ 60.773458][ T5080]
[ 60.776389][ T5080] dump_stack_lvl+0xd9/0x150
[ 60.781080][ T5080] panic+0x61b/0x6c0
[ 60.784980][ T5080] ? panic_smp_self_stop+0x90/0x90
[ 60.790111][ T5080] ? show_trace_log_lvl+0x285/0x390
[ 60.795320][ T5080] ? __folio_mark_dirty+0xba8/0xf70
[ 60.800786][ T5080] check_panic_on_warn+0xb1/0xc0
[ 60.805725][ T5080] __warn+0xf2/0x4f0
[ 60.809628][ T5080] ? __folio_mark_dirty+0xba8/0xf70
[ 60.814830][ T5080] report_bug+0x206/0x2b0
[ 60.819158][ T5080] handle_bug+0x3c/0x70
[ 60.823314][ T5080] exc_invalid_op+0x18/0x50
[ 60.827818][ T5080] asm_exc_invalid_op+0x1a/0x20
[ 60.832665][ T5080] RIP: 0010:__folio_mark_dirty+0xba8/0xf70
[ 60.838477][ T5080] Code: 78 70 48 89 44 24 10 e8 76 f4 5c 08 31 ff 89 c6 89 44 24 10 e8 c9 df d1 ff 8b 44 24 10 85 c0 0f 85 62 f9 ff ff e8 68 e3 d1 ff <0f> 0b e9 56 f9 ff ff e8 5c e3 d1 ff e8 b7 56 ba ff 31 ff 41 89 c4
[ 60.858185][ T5080] RSP: 0018:ffffc90003c9f3a8 EFLAGS: 00010093
[ 60.864269][ T5080] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
[ 60.872258][ T5080] RDX: ffff88807b188000 RSI: ffffffff81b2d1b8 RDI: 0000000000000005
[ 60.880239][ T5080] RBP: ffffea0001d6b480 R08: 0000000000000005 R09: 0000000000000000
[ 60.888231][ T5080] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801b93c978
[ 60.896465][ T5080] R13: ffffffff8e74ae80 R14: 0000000000000293 R15: ffff888021b88c48
[ 60.904488][ T5080] ? __folio_mark_dirty+0xba8/0xf70
[ 60.909713][ T5080] ? __folio_mark_dirty+0xba8/0xf70
[ 60.914919][ T5080] mark_buffer_dirty+0x3e8/0x570
[ 60.919863][ T5080] gfs2_unpin+0x109/0xcf0
[ 60.924205][ T5080] buf_lo_after_commit+0x144/0x210
[ 60.929328][ T5080] ? gfs2_unpin+0xcf0/0xcf0
[ 60.933856][ T5080] gfs2_log_flush+0x140f/0x2900
[ 60.938734][ T5080] ? gfs2_ail_drain+0x630/0x630
[ 60.943615][ T5080] ? gfs2_log_commit+0xabe/0x10f0
[ 60.948666][ T5080] ? rcu_read_lock_sched_held+0x3e/0x70
[ 60.954231][ T5080] gfs2_trans_end+0x6db/0xa00
[ 60.958934][ T5080] gfs2_create_inode+0x16f4/0x3460
[ 60.964054][ T5080] ? gfs2_getattr+0x4b0/0x4b0
[ 60.968741][ T5080] ? preempt_schedule_common+0x45/0xb0
[ 60.974202][ T5080] ? _raw_spin_unlock+0x3a/0x40
[ 60.979052][ T5080] ? d_add+0x3d6/0x780
[ 60.983133][ T5080] ? gfs2_atomic_open+0xb3/0x250
[ 60.988076][ T5080] ? __gfs2_lookup+0x19b/0x280
[ 60.992841][ T5080] ? gfs2_lookupi+0x640/0x640
[ 60.997520][ T5080] ? from_vfsuid+0x170/0x170
[ 61.002137][ T5080] gfs2_atomic_open+0xb3/0x250
[ 61.006916][ T5080] ? __gfs2_lookup+0x280/0x280
[ 61.011709][ T5080] lookup_open.isra.0+0xcdf/0x1400
[ 61.016846][ T5080] ? link_path_walk.part.0+0xd60/0xd60
[ 61.022304][ T5080] ? path_openat+0x90f/0x2750
[ 61.026988][ T5080] ? path_openat+0x90f/0x2750
[ 61.031661][ T5080] ? lock_acquire+0x32/0xc0
[ 61.036160][ T5080] ? path_openat+0x90f/0x2750
[ 61.040848][ T5080] ? down_write_killable_nested+0x250/0x250
[ 61.046766][ T5080] ? __mnt_want_write+0x1fe/0x2e0
[ 61.051794][ T5080] path_openat+0x975/0x2750
[ 61.056323][ T5080] ? path_lookupat+0x840/0x840
[ 61.061109][ T5080] do_filp_open+0x1ba/0x410
[ 61.065623][ T5080] ? may_open_dev+0xf0/0xf0
[ 61.070127][ T5080] ? find_held_lock+0x2d/0x110
[ 61.074895][ T5080] ? do_raw_spin_lock+0x124/0x2b0
[ 61.079941][ T5080] ? spin_bug+0x1c0/0x1c0
[ 61.084276][ T5080] ? _raw_spin_unlock+0x28/0x40
[ 61.089127][ T5080] ? alloc_fd+0x2e4/0x750
[ 61.093463][ T5080] do_sys_openat2+0x16d/0x4c0
[ 61.098169][ T5080] ? build_open_flags+0x6f0/0x6f0
[ 61.103287][ T5080] ? ptrace_notify+0xfe/0x140
[ 61.107970][ T5080] __x64_sys_openat+0x143/0x1f0
[ 61.112822][ T5080] ? __ia32_sys_open+0x1c0/0x1c0
[ 61.117779][ T5080] ? _raw_spin_unlock_irq+0x23/0x50
[ 61.123084][ T5080] ? lockdep_hardirqs_on+0x7d/0x100
[ 61.128364][ T5080] ? _raw_spin_unlock_irq+0x2e/0x50
[ 61.133591][ T5080] ? ptrace_notify+0xfe/0x140
[ 61.138385][ T5080] do_syscall_64+0x39/0xb0
[ 61.142904][ T5080] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 61.148803][ T5080] RIP: 0033:0x7f88cc2d7229
[ 61.153242][ T5080] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[ 61.173030][ T5080] RSP: 002b:00007ffddeee9008 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 61.181477][ T5080] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f88cc2d7229
[ 61.189479][ T5080] RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c
[ 61.197468][ T5080] RBP: 0000000000000000 R08: 0000000000000002 R09: 00007f88cc357ec0
[ 61.205452][ T5080] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffddeee9030
[ 61.213442][ T5080] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000
[ 61.221449][ T5080]
[ 61.224664][ T5080] Kernel Offset: disabled
[ 61.229163][ T5080] Rebooting in 86400 seconds..