file system
[ 194.499118][ T4863] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 194.508268][ T4862] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 194.517176][ T4862] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 194.525646][ T4863] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4862 [syz.0.143] iterate_dir+0x218/0x560
[ 194.536399][ T4862] gfs2: fsid=syz:syz.0: File system withdrawn
[ 194.542585][ T4863] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4863 [syz.0.143] __gfs2_lookup+0x8c/0x260
[ 194.552553][ T4862] CPU: 0 PID: 4862 Comm: syz.0.143 Not tainted syzkaller #0
[ 194.559880][ T4862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 194.561630][ T4863] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 194.569948][ T4862] Call Trace:
[ 194.569958][ T4862]
[ 194.569966][ T4862] dump_stack_lvl+0x168/0x22e
[ 194.569996][ T4862] ? kobject_uevent_env+0x35f/0x8a0
[ 194.594510][ T4862] ? show_regs_print_info+0x12/0x12
[ 194.599716][ T4862] ? load_image+0x3b0/0x3b0
[ 194.604252][ T4862] ? kobject_uevent_env+0x35f/0x8a0
[ 194.609485][ T4862] gfs2_withdraw+0x143f/0x1780
[ 194.614304][ T4862] ? gfs2_lm+0x220/0x220
[ 194.618574][ T4862] ? load_image+0x3b0/0x3b0
[ 194.623092][ T4862] ? gfs2_consist_inode_i+0xf1/0x110
[ 194.628391][ T4862] gfs2_dirent_scan+0x525/0x650
[ 194.633246][ T4862] ? gfs2_dirent_scan+0x650/0x650
[ 194.638275][ T4862] gfs2_dir_read+0x7ff/0x1780
[ 194.642959][ T4862] ? inode_owner_or_capable+0x200/0x200
[ 194.648510][ T4862] ? __might_sleep+0xd0/0xd0
[ 194.653107][ T4862] ? gfs2_dir_hash_inval+0x70/0x70
[ 194.658238][ T4862] ? gfs2_glock_nq+0xcf0/0x14e0
[ 194.663114][ T4862] ? gfs2_glock_wait+0x20b/0x2a0
[ 194.668104][ T4862] gfs2_readdir+0x14c/0x1b0
[ 194.672622][ T4862] ? gfs2_fallocate+0x470/0x470
[ 194.677494][ T4862] ? iterate_dir+0x218/0x560
[ 194.682119][ T4862] ? preempt_count_add+0x8d/0x190
[ 194.687157][ T4862] ? down_read_killable+0x1cc/0x340
[ 194.692372][ T4862] ? fsnotify_perm+0x248/0x550
[ 194.697152][ T4862] iterate_dir+0x218/0x560
[ 194.701577][ T4862] ? gfs2_fallocate+0x470/0x470
[ 194.706450][ T4862] __se_sys_getdents+0xe5/0x250
[ 194.711325][ T4862] ? __x64_sys_getdents+0x80/0x80
[ 194.716368][ T4862] ? fillonedir+0x4d0/0x4d0
[ 194.720890][ T4862] ? lockdep_hardirqs_on+0x94/0x140
[ 194.726107][ T4862] do_syscall_64+0x4c/0xa0
[ 194.730550][ T4862] ? clear_bhb_loop+0x60/0xb0
[ 194.735265][ T4862] ? clear_bhb_loop+0x60/0xb0
[ 194.739981][ T4862] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 194.745902][ T4862] RIP: 0033:0x7f54ccf8f749
[ 194.750365][ T4862] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 194.769998][ T4862] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 194.778431][ T4862] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 194.786413][ T4862] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 194.794423][ T4862] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 194.802431][ T4862] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 194.810424][ T4862] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 194.818426][ T4862]
[ 195.155590][ T4866] loop0: detected capacity change from 0 to 32768
[ 195.174699][ T4866] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 195.183112][ T4866] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 195.194573][ T4866] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 195.204178][ T22] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 195.211117][ T22] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 195.250833][ T22] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 39ms
[ 195.260410][ T22] gfs2: fsid=syz:syz.0: jid=0: Done
[ 195.267291][ T4866] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 195.281395][ T4866] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 195.291107][ T4866] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 195.291107][ T4866] inode = 12 2341
[ 195.291107][ T4866] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 195.311085][ T4866] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 195.322110][ T4866] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4866 [syz.0.144] iterate_dir+0x218/0x560
[ 195.333137][ T4866] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 195.333378][ T4867] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 195.343072][ T4866] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 195.359936][ T4866] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 195.369342][ T4866] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 195.376332][ T4866] gfs2: fsid=syz:syz.0: File system withdrawn
[ 195.382521][ T4867] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 195.393445][ T4866] CPU: 0 PID: 4866 Comm: syz.0.144 Not tainted syzkaller #0
[ 195.400778][ T4866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 195.410870][ T4866] Call Trace:
[ 195.414179][ T4866]
[ 195.417150][ T4866] dump_stack_lvl+0x168/0x22e
[ 195.421874][ T4866] ? kobject_uevent_env+0x35f/0x8a0
[ 195.424747][ T4867] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4866 [syz.0.144] iterate_dir+0x218/0x560
[ 195.427103][ T4866] ? show_regs_print_info+0x12/0x12
[ 195.427132][ T4866] ? load_image+0x3b0/0x3b0
[ 195.427165][ T4866] ? kobject_uevent_env+0x35f/0x8a0
[ 195.436561][ T4867] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4867 [syz.0.144] __gfs2_lookup+0x8c/0x260
[ 195.441732][ T4866] gfs2_withdraw+0x143f/0x1780
[ 195.449887][ T4867] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 195.451415][ T4866] ? gfs2_lm+0x220/0x220
[ 195.478275][ T4866] ? load_image+0x3b0/0x3b0
[ 195.482795][ T4866] ? gfs2_consist_inode_i+0xf1/0x110
[ 195.488089][ T4866] gfs2_dirent_scan+0x525/0x650
[ 195.492951][ T4866] ? gfs2_dirent_scan+0x650/0x650
[ 195.497987][ T4866] gfs2_dir_read+0x7ff/0x1780
[ 195.502688][ T4866] ? inode_owner_or_capable+0x200/0x200
[ 195.508254][ T4866] ? __might_sleep+0xd0/0xd0
[ 195.512867][ T4866] ? gfs2_dir_hash_inval+0x70/0x70
[ 195.517999][ T4866] ? gfs2_glock_nq+0xcf0/0x14e0
[ 195.522875][ T4866] ? gfs2_glock_wait+0x20b/0x2a0
[ 195.527831][ T4866] gfs2_readdir+0x14c/0x1b0
[ 195.532355][ T4866] ? gfs2_fallocate+0x470/0x470
[ 195.537228][ T4866] ? iterate_dir+0x218/0x560
[ 195.541833][ T4866] ? preempt_count_add+0x8d/0x190
[ 195.546888][ T4866] ? down_read_killable+0x1cc/0x340
[ 195.552118][ T4866] ? fsnotify_perm+0x248/0x550
[ 195.556896][ T4866] iterate_dir+0x218/0x560
[ 195.561330][ T4866] ? gfs2_fallocate+0x470/0x470
[ 195.566204][ T4866] __se_sys_getdents+0xe5/0x250
[ 195.571086][ T4866] ? __x64_sys_getdents+0x80/0x80
[ 195.576138][ T4866] ? fillonedir+0x4d0/0x4d0
[ 195.580674][ T4866] ? lockdep_hardirqs_on+0x94/0x140
[ 195.585905][ T4866] do_syscall_64+0x4c/0xa0
[ 195.590347][ T4866] ? clear_bhb_loop+0x60/0xb0
[ 195.595035][ T4866] ? clear_bhb_loop+0x60/0xb0
[ 195.599727][ T4866] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 195.605633][ T4866] RIP: 0033:0x7f54ccf8f749
[ 195.610064][ T4866] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 195.629774][ T4866] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 195.638223][ T4866] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 195.646227][ T4866] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 195.654208][ T4866] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 195.662189][ T4866] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 195.670184][ T4866] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 195.678176][ T4866]
[ 196.024063][ T4870] loop0: detected capacity change from 0 to 32768
[ 196.040713][ T4870] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 196.049101][ T4870] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 196.060756][ T4870] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 196.070280][ T22] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 196.077231][ T22] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 196.125889][ T22] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 48ms
[ 196.135324][ T22] gfs2: fsid=syz:syz.0: jid=0: Done
[ 196.140601][ T4870] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 196.154376][ T4870] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 196.165403][ T4870] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 196.165403][ T4870] inode = 12 2341
[ 196.165403][ T4870] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 196.186509][ T4870] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 196.195887][ T4870] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4870 [syz.0.145] iterate_dir+0x218/0x560
[ 196.207859][ T4870] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 196.208100][ T4871] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 196.216760][ T4870] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 196.234224][ T4870] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 196.243497][ T4870] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 196.251683][ T4870] gfs2: fsid=syz:syz.0: File system withdrawn
[ 196.259418][ T4870] CPU: 0 PID: 4870 Comm: syz.0.145 Not tainted syzkaller #0
[ 196.264961][ T4871] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 196.266724][ T4870] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 196.285830][ T4870] Call Trace:
[ 196.289128][ T4870]
[ 196.292081][ T4870] dump_stack_lvl+0x168/0x22e
[ 196.295684][ T4871] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4870 [syz.0.145] iterate_dir+0x218/0x560
[ 196.296780][ T4870] ? kobject_uevent_env+0x35f/0x8a0
[ 196.309975][ T4871] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4871 [syz.0.145] __gfs2_lookup+0x8c/0x260
[ 196.311333][ T4870] ? show_regs_print_info+0x12/0x12
[ 196.320929][ T4871] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 196.326061][ T4870] ? load_image+0x3b0/0x3b0
[ 196.326096][ T4870] ? kobject_uevent_env+0x35f/0x8a0
[ 196.344269][ T4870] gfs2_withdraw+0x143f/0x1780
[ 196.349095][ T4870] ? gfs2_lm+0x220/0x220
[ 196.353361][ T4870] ? load_image+0x3b0/0x3b0
[ 196.357913][ T4870] ? gfs2_consist_inode_i+0xf1/0x110
[ 196.363241][ T4870] gfs2_dirent_scan+0x525/0x650
[ 196.368117][ T4870] ? gfs2_dirent_scan+0x650/0x650
[ 196.373168][ T4870] gfs2_dir_read+0x7ff/0x1780
[ 196.377891][ T4870] ? inode_owner_or_capable+0x200/0x200
[ 196.383472][ T4870] ? __might_sleep+0xd0/0xd0
[ 196.388082][ T4870] ? gfs2_dir_hash_inval+0x70/0x70
[ 196.393275][ T4870] ? gfs2_glock_nq+0xcf0/0x14e0
[ 196.398153][ T4870] ? gfs2_glock_wait+0x20b/0x2a0
[ 196.403127][ T4870] gfs2_readdir+0x14c/0x1b0
[ 196.407674][ T4870] ? gfs2_fallocate+0x470/0x470
[ 196.412554][ T4870] ? iterate_dir+0x218/0x560
[ 196.417170][ T4870] ? preempt_count_add+0x8d/0x190
[ 196.422227][ T4870] ? down_read_killable+0x1cc/0x340
[ 196.427453][ T4870] ? fsnotify_perm+0x248/0x550
[ 196.432290][ T4870] iterate_dir+0x218/0x560
[ 196.436751][ T4870] ? gfs2_fallocate+0x470/0x470
[ 196.441640][ T4870] __se_sys_getdents+0xe5/0x250
[ 196.446539][ T4870] ? __x64_sys_getdents+0x80/0x80
[ 196.451599][ T4870] ? fillonedir+0x4d0/0x4d0
[ 196.456126][ T4870] ? lockdep_hardirqs_on+0x94/0x140
[ 196.461349][ T4870] do_syscall_64+0x4c/0xa0
[ 196.465784][ T4870] ? clear_bhb_loop+0x60/0xb0
[ 196.470473][ T4870] ? clear_bhb_loop+0x60/0xb0
[ 196.475202][ T4870] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 196.481111][ T4870] RIP: 0033:0x7f54ccf8f749
[ 196.485547][ T4870] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 196.505183][ T4870] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 196.513636][ T4870] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 196.521624][ T4870] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 196.529675][ T4870] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 196.537666][ T4870] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 196.545663][ T4870] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 196.553665][ T4870]
[ 196.902799][ T4874] loop0: detected capacity change from 0 to 32768
[ 196.921516][ T4874] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 196.930907][ T4874] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 196.942092][ T4874] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 196.951812][ T4413] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 196.958917][ T4413] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 197.008517][ T4413] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 49ms
[ 197.017815][ T4413] gfs2: fsid=syz:syz.0: jid=0: Done
[ 197.023084][ T4874] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 197.038151][ T4874] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 197.048478][ T4874] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 197.048478][ T4874] inode = 12 2341
[ 197.048478][ T4874] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 197.068263][ T4874] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 197.077995][ T4874] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4874 [syz.0.146] iterate_dir+0x218/0x560
[ 197.087700][ T4874] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 197.097573][ T4874] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 197.105184][ T4874] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 197.113973][ T4874] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 197.121308][ T4874] gfs2: fsid=syz:syz.0: File system withdrawn
[ 197.127739][ T4874] CPU: 0 PID: 4874 Comm: syz.0.146 Not tainted syzkaller #0
[ 197.135056][ T4874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 197.145139][ T4874] Call Trace:
[ 197.148418][ T4874]
[ 197.151348][ T4874] dump_stack_lvl+0x168/0x22e
[ 197.156036][ T4874] ? kobject_uevent_env+0x35f/0x8a0
[ 197.161249][ T4874] ? show_regs_print_info+0x12/0x12
[ 197.166452][ T4874] ? load_image+0x3b0/0x3b0
[ 197.170962][ T4874] ? kobject_uevent_env+0x35f/0x8a0
[ 197.176176][ T4874] gfs2_withdraw+0x143f/0x1780
[ 197.180961][ T4874] ? gfs2_lm+0x220/0x220
[ 197.185220][ T4874] ? load_image+0x3b0/0x3b0
[ 197.189764][ T4874] ? gfs2_consist_inode_i+0xf1/0x110
[ 197.195064][ T4874] gfs2_dirent_scan+0x525/0x650
[ 197.199930][ T4874] ? gfs2_dirent_scan+0x650/0x650
[ 197.204973][ T4874] gfs2_dir_read+0x7ff/0x1780
[ 197.209670][ T4874] ? inode_owner_or_capable+0x200/0x200
[ 197.215222][ T4874] ? __might_sleep+0xd0/0xd0
[ 197.219823][ T4874] ? gfs2_dir_hash_inval+0x70/0x70
[ 197.224948][ T4874] ? gfs2_glock_nq+0xcf0/0x14e0
[ 197.229827][ T4874] ? gfs2_glock_wait+0x20b/0x2a0
[ 197.234795][ T4874] gfs2_readdir+0x14c/0x1b0
[ 197.239333][ T4874] ? gfs2_fallocate+0x470/0x470
[ 197.244192][ T4874] ? iterate_dir+0x218/0x560
[ 197.248785][ T4874] ? preempt_count_add+0x8d/0x190
[ 197.253857][ T4874] ? down_read_killable+0x1cc/0x340
[ 197.259151][ T4874] ? fsnotify_perm+0x248/0x550
[ 197.263923][ T4874] iterate_dir+0x218/0x560
[ 197.268350][ T4874] ? gfs2_fallocate+0x470/0x470
[ 197.273210][ T4874] __se_sys_getdents+0xe5/0x250
[ 197.278068][ T4874] ? __x64_sys_getdents+0x80/0x80
[ 197.283111][ T4874] ? fillonedir+0x4d0/0x4d0
[ 197.287638][ T4874] ? lockdep_hardirqs_on+0x94/0x140
[ 197.292846][ T4874] do_syscall_64+0x4c/0xa0
[ 197.297264][ T4874] ? clear_bhb_loop+0x60/0xb0
[ 197.301945][ T4874] ? clear_bhb_loop+0x60/0xb0
[ 197.306628][ T4874] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 197.312524][ T4874] RIP: 0033:0x7f54ccf8f749
[ 197.316954][ T4874] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 197.336665][ T4874] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 197.345150][ T4874] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 197.353169][ T4874] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 197.361150][ T4874] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 197.369246][ T4874] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 197.377235][ T4874] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 197.385236][ T4874]
[ 197.728333][ T4877] loop0: detected capacity change from 0 to 32768
[ 197.747242][ T4877] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 197.755530][ T4877] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 197.767268][ T4877] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 197.776643][ T22] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 197.783457][ T22] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 197.833946][ T22] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 50ms
[ 197.843179][ T22] gfs2: fsid=syz:syz.0: jid=0: Done
[ 197.848928][ T4877] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 197.867596][ T4877] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 197.877927][ T4877] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 197.877927][ T4877] inode = 12 2341
[ 197.877927][ T4877] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 197.897137][ T4877] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 197.907160][ T4877] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4877 [syz.0.147] iterate_dir+0x218/0x560
[ 197.917009][ T4877] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 197.927215][ T4877] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 197.934532][ T4877] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 197.943873][ T4877] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 197.952434][ T4877] gfs2: fsid=syz:syz.0: File system withdrawn
[ 197.958933][ T4877] CPU: 0 PID: 4877 Comm: syz.0.147 Not tainted syzkaller #0
[ 197.966255][ T4877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 197.976336][ T4877] Call Trace:
[ 197.979615][ T4877]
[ 197.982548][ T4877] dump_stack_lvl+0x168/0x22e
[ 197.987235][ T4877] ? kobject_uevent_env+0x35f/0x8a0
[ 197.992444][ T4877] ? show_regs_print_info+0x12/0x12
[ 197.997653][ T4877] ? load_image+0x3b0/0x3b0
[ 198.002177][ T4877] ? kobject_uevent_env+0x35f/0x8a0
[ 198.007399][ T4877] gfs2_withdraw+0x143f/0x1780
[ 198.012202][ T4877] ? gfs2_lm+0x220/0x220
[ 198.016456][ T4877] ? load_image+0x3b0/0x3b0
[ 198.020973][ T4877] ? gfs2_consist_inode_i+0xf1/0x110
[ 198.026327][ T4877] gfs2_dirent_scan+0x525/0x650
[ 198.031188][ T4877] ? gfs2_dirent_scan+0x650/0x650
[ 198.036232][ T4877] gfs2_dir_read+0x7ff/0x1780
[ 198.040929][ T4877] ? inode_owner_or_capable+0x200/0x200
[ 198.046494][ T4877] ? __might_sleep+0xd0/0xd0
[ 198.051105][ T4877] ? gfs2_dir_hash_inval+0x70/0x70
[ 198.056229][ T4877] ? gfs2_glock_nq+0xcf0/0x14e0
[ 198.061108][ T4877] ? gfs2_glock_wait+0x20b/0x2a0
[ 198.066066][ T4877] gfs2_readdir+0x14c/0x1b0
[ 198.070596][ T4877] ? gfs2_fallocate+0x470/0x470
[ 198.075474][ T4877] ? iterate_dir+0x218/0x560
[ 198.080102][ T4877] ? preempt_count_add+0x8d/0x190
[ 198.085141][ T4877] ? down_read_killable+0x1cc/0x340
[ 198.090373][ T4877] ? fsnotify_perm+0x248/0x550
[ 198.095178][ T4877] iterate_dir+0x218/0x560
[ 198.099634][ T4877] ? gfs2_fallocate+0x470/0x470
[ 198.104505][ T4877] __se_sys_getdents+0xe5/0x250
[ 198.109368][ T4877] ? __x64_sys_getdents+0x80/0x80
[ 198.114398][ T4877] ? fillonedir+0x4d0/0x4d0
[ 198.118920][ T4877] ? lockdep_hardirqs_on+0x94/0x140
[ 198.124139][ T4877] do_syscall_64+0x4c/0xa0
[ 198.128565][ T4877] ? clear_bhb_loop+0x60/0xb0
[ 198.133245][ T4877] ? clear_bhb_loop+0x60/0xb0
[ 198.137954][ T4877] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 198.143881][ T4877] RIP: 0033:0x7f54ccf8f749
[ 198.148306][ T4877] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 198.167942][ T4877] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 198.176370][ T4877] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 198.184350][ T4877] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 198.192329][ T4877] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 198.200308][ T4877] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 198.208290][ T4877] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 198.216292][ T4877]
[ 198.555299][ T4880] loop0: detected capacity change from 0 to 32768
[ 198.573517][ T4880] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 198.581830][ T4880] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 198.593086][ T4880] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 198.602461][ T951] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 198.609715][ T951] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 198.655434][ T951] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 45ms
[ 198.662986][ T951] gfs2: fsid=syz:syz.0: jid=0: Done
[ 198.668348][ T4880] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 198.682217][ T4880] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 198.693676][ T4880] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 198.693676][ T4880] inode = 12 2341
[ 198.693676][ T4880] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 198.713876][ T4880] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 198.723436][ T4880] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4880 [syz.0.148] iterate_dir+0x218/0x560
[ 198.734761][ T4880] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 198.735200][ T4881] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 198.744106][ T4880] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 198.761463][ T4880] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 198.772629][ T4880] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 198.780708][ T4880] gfs2: fsid=syz:syz.0: File system withdrawn
[ 198.788337][ T4881] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 198.799672][ T4880] CPU: 0 PID: 4880 Comm: syz.0.148 Not tainted syzkaller #0
[ 198.807008][ T4880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 198.815006][ T4881] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4880 [syz.0.148] iterate_dir+0x218/0x560
[ 198.817086][ T4880] Call Trace:
[ 198.829775][ T4880]
[ 198.832735][ T4880] dump_stack_lvl+0x168/0x22e
[ 198.837461][ T4880] ? kobject_uevent_env+0x35f/0x8a0
[ 198.842713][ T4880] ? show_regs_print_info+0x12/0x12
[ 198.845006][ T4881] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4881 [syz.0.148] __gfs2_lookup+0x8c/0x260
[ 198.847931][ T4880] ? load_image+0x3b0/0x3b0
[ 198.861929][ T4880] ? kobject_uevent_env+0x35f/0x8a0
[ 198.867196][ T4880] gfs2_withdraw+0x143f/0x1780
[ 198.867206][ T4881] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 198.880432][ T4880] ? gfs2_lm+0x220/0x220
[ 198.884694][ T4880] ? load_image+0x3b0/0x3b0
[ 198.889214][ T4880] ? gfs2_consist_inode_i+0xf1/0x110
[ 198.894525][ T4880] gfs2_dirent_scan+0x525/0x650
[ 198.899397][ T4880] ? gfs2_dirent_scan+0x650/0x650
[ 198.904449][ T4880] gfs2_dir_read+0x7ff/0x1780
[ 198.909143][ T4880] ? inode_owner_or_capable+0x200/0x200
[ 198.914700][ T4880] ? __might_sleep+0xd0/0xd0
[ 198.919299][ T4880] ? gfs2_dir_hash_inval+0x70/0x70
[ 198.924420][ T4880] ? gfs2_glock_nq+0xcf0/0x14e0
[ 198.929305][ T4880] ? gfs2_glock_wait+0x20b/0x2a0
[ 198.934273][ T4880] gfs2_readdir+0x14c/0x1b0
[ 198.938787][ T4880] ? gfs2_fallocate+0x470/0x470
[ 198.943648][ T4880] ? iterate_dir+0x218/0x560
[ 198.948244][ T4880] ? preempt_count_add+0x8d/0x190
[ 198.953271][ T4880] ? down_read_killable+0x1cc/0x340
[ 198.958484][ T4880] ? fsnotify_perm+0x248/0x550
[ 198.963256][ T4880] iterate_dir+0x218/0x560
[ 198.967687][ T4880] ? gfs2_fallocate+0x470/0x470
[ 198.972554][ T4880] __se_sys_getdents+0xe5/0x250
[ 198.977414][ T4880] ? __x64_sys_getdents+0x80/0x80
[ 198.982449][ T4880] ? fillonedir+0x4d0/0x4d0
[ 198.986976][ T4880] ? lockdep_hardirqs_on+0x94/0x140
[ 198.992190][ T4880] do_syscall_64+0x4c/0xa0
[ 198.996620][ T4880] ? clear_bhb_loop+0x60/0xb0
[ 199.001322][ T4880] ? clear_bhb_loop+0x60/0xb0
[ 199.006026][ T4880] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 199.011925][ T4880] RIP: 0033:0x7f54ccf8f749
[ 199.016353][ T4880] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 199.035976][ T4880] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 199.044428][ T4880] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 199.052428][ T4880] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 199.060408][ T4880] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 199.068480][ T4880] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 199.076460][ T4880] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 199.084453][ T4880]
2025/12/04 09:38:33 executed programs: 134
[ 199.433636][ T4884] loop0: detected capacity change from 0 to 32768
[ 199.446421][ T4884] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 199.454638][ T4884] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 199.469042][ T4884] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 199.478459][ T4413] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 199.485751][ T4413] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 199.526461][ T4413] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 40ms
[ 199.535725][ T4413] gfs2: fsid=syz:syz.0: jid=0: Done
[ 199.541113][ T4884] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 199.554611][ T4884] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 199.564417][ T4884] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 199.564417][ T4884] inode = 12 2341
[ 199.564417][ T4884] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 199.584643][ T4884] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 199.596428][ T4884] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4884 [syz.0.149] iterate_dir+0x218/0x560
[ 199.607744][ T4884] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 199.607985][ T4885] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 199.617807][ T4884] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 199.633421][ T4884] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 199.643701][ T4884] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 199.650742][ T4884] gfs2: fsid=syz:syz.0: File system withdrawn
[ 199.660630][ T4884] CPU: 1 PID: 4884 Comm: syz.0.149 Not tainted syzkaller #0
[ 199.665252][ T4885] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 199.668037][ T4884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 199.687223][ T4884] Call Trace:
[ 199.690536][ T4884]
[ 199.693502][ T4884] dump_stack_lvl+0x168/0x22e
[ 199.694967][ T4885] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4884 [syz.0.149] iterate_dir+0x218/0x560
[ 199.698204][ T4884] ? kobject_uevent_env+0x35f/0x8a0
[ 199.712898][ T4884] ? show_regs_print_info+0x12/0x12
[ 199.718156][ T4884] ? load_image+0x3b0/0x3b0
[ 199.722708][ T4884] ? kobject_uevent_env+0x35f/0x8a0
[ 199.724189][ T4885] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4885 [syz.0.149] __gfs2_lookup+0x8c/0x260
[ 199.727946][ T4884] gfs2_withdraw+0x143f/0x1780
[ 199.727995][ T4884] ? gfs2_lm+0x220/0x220
[ 199.737466][ T4885] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 199.742188][ T4884] ? load_image+0x3b0/0x3b0
[ 199.759362][ T4884] ? gfs2_consist_inode_i+0xf1/0x110
[ 199.764667][ T4884] gfs2_dirent_scan+0x525/0x650
[ 199.769535][ T4884] ? gfs2_dirent_scan+0x650/0x650
[ 199.774591][ T4884] gfs2_dir_read+0x7ff/0x1780
[ 199.779288][ T4884] ? inode_owner_or_capable+0x200/0x200
[ 199.784846][ T4884] ? __might_sleep+0xd0/0xd0
[ 199.789455][ T4884] ? gfs2_dir_hash_inval+0x70/0x70
[ 199.794590][ T4884] ? gfs2_glock_nq+0xcf0/0x14e0
[ 199.799472][ T4884] ? gfs2_glock_wait+0x20b/0x2a0
[ 199.804430][ T4884] gfs2_readdir+0x14c/0x1b0
[ 199.809010][ T4884] ? gfs2_fallocate+0x470/0x470
[ 199.813892][ T4884] ? iterate_dir+0x218/0x560
[ 199.818516][ T4884] ? preempt_count_add+0x8d/0x190
[ 199.823595][ T4884] ? down_read_killable+0x1cc/0x340
[ 199.828806][ T4884] ? fsnotify_perm+0x248/0x550
[ 199.833583][ T4884] iterate_dir+0x218/0x560
[ 199.838018][ T4884] ? gfs2_fallocate+0x470/0x470
[ 199.842895][ T4884] __se_sys_getdents+0xe5/0x250
[ 199.847797][ T4884] ? __x64_sys_getdents+0x80/0x80
[ 199.852836][ T4884] ? fillonedir+0x4d0/0x4d0
[ 199.857374][ T4884] ? lockdep_hardirqs_on+0x94/0x140
[ 199.862585][ T4884] do_syscall_64+0x4c/0xa0
[ 199.867015][ T4884] ? clear_bhb_loop+0x60/0xb0
[ 199.871699][ T4884] ? clear_bhb_loop+0x60/0xb0
[ 199.876389][ T4884] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 199.882285][ T4884] RIP: 0033:0x7f54ccf8f749
[ 199.886707][ T4884] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 199.906349][ T4884] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 199.914780][ T4884] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 199.922847][ T4884] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 199.930825][ T4884] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 199.938830][ T4884] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 199.946808][ T4884] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 199.954803][ T4884]
[ 200.307135][ T4888] loop0: detected capacity change from 0 to 32768
[ 200.321894][ T4888] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 200.331456][ T4888] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 200.342858][ T4888] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 200.352207][ T4413] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 200.359093][ T4413] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 200.397402][ T4413] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 38ms
[ 200.406804][ T4413] gfs2: fsid=syz:syz.0: jid=0: Done
[ 200.412091][ T4888] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 200.427772][ T4888] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 200.437711][ T4888] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 200.437711][ T4888] inode = 12 2341
[ 200.437711][ T4888] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 200.457701][ T4888] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 200.467543][ T4888] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4888 [syz.0.150] iterate_dir+0x218/0x560
[ 200.477592][ T4888] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 200.486627][ T4889] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 200.497067][ T4888] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 200.504313][ T4888] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 200.513582][ T4889] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 200.522982][ T4889] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4888 [syz.0.150] iterate_dir+0x218/0x560
[ 200.533363][ T4888] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 200.542841][ T4888] gfs2: fsid=syz:syz.0: File system withdrawn
[ 200.549669][ T4889] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4889 [syz.0.150] __gfs2_lookup+0x8c/0x260
[ 200.557443][ T4888] CPU: 1 PID: 4888 Comm: syz.0.150 Not tainted syzkaller #0
[ 200.561114][ T4889] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 200.566452][ T4888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 200.566466][ T4888] Call Trace:
[ 200.566474][ T4888]
[ 200.566483][ T4888] dump_stack_lvl+0x168/0x22e
[ 200.566512][ T4888] ? kobject_uevent_env+0x35f/0x8a0
[ 200.566543][ T4888] ? show_regs_print_info+0x12/0x12
[ 200.606289][ T4888] ? load_image+0x3b0/0x3b0
[ 200.610840][ T4888] ? kobject_uevent_env+0x35f/0x8a0
[ 200.616096][ T4888] gfs2_withdraw+0x143f/0x1780
[ 200.620905][ T4888] ? gfs2_lm+0x220/0x220
[ 200.625255][ T4888] ? load_image+0x3b0/0x3b0
[ 200.629788][ T4888] ? gfs2_consist_inode_i+0xf1/0x110
[ 200.635126][ T4888] gfs2_dirent_scan+0x525/0x650
[ 200.640014][ T4888] ? gfs2_dirent_scan+0x650/0x650
[ 200.645053][ T4888] gfs2_dir_read+0x7ff/0x1780
[ 200.649741][ T4888] ? inode_owner_or_capable+0x200/0x200
[ 200.655299][ T4888] ? __might_sleep+0xd0/0xd0
[ 200.659912][ T4888] ? gfs2_dir_hash_inval+0x70/0x70
[ 200.665042][ T4888] ? gfs2_glock_nq+0xcf0/0x14e0
[ 200.669924][ T4888] ? gfs2_glock_wait+0x20b/0x2a0
[ 200.674884][ T4888] gfs2_readdir+0x14c/0x1b0
[ 200.679426][ T4888] ? gfs2_fallocate+0x470/0x470
[ 200.684311][ T4888] ? iterate_dir+0x218/0x560
[ 200.688937][ T4888] ? preempt_count_add+0x8d/0x190
[ 200.694000][ T4888] ? down_read_killable+0x1cc/0x340
[ 200.699226][ T4888] ? fsnotify_perm+0x248/0x550
[ 200.704013][ T4888] iterate_dir+0x218/0x560
[ 200.708479][ T4888] ? gfs2_fallocate+0x470/0x470
[ 200.713362][ T4888] __se_sys_getdents+0xe5/0x250
[ 200.718278][ T4888] ? __x64_sys_getdents+0x80/0x80
[ 200.723332][ T4888] ? fillonedir+0x4d0/0x4d0
[ 200.727862][ T4888] ? lockdep_hardirqs_on+0x94/0x140
[ 200.733089][ T4888] do_syscall_64+0x4c/0xa0
[ 200.737534][ T4888] ? clear_bhb_loop+0x60/0xb0
[ 200.742233][ T4888] ? clear_bhb_loop+0x60/0xb0
[ 200.746994][ T4888] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 200.753068][ T4888] RIP: 0033:0x7f54ccf8f749
[ 200.757510][ T4888] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 200.777130][ T4888] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 200.785556][ T4888] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 200.793537][ T4888] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 200.801521][ T4888] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 200.809503][ T4888] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 200.817506][ T4888] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 200.825511][ T4888]
[ 201.173550][ T4892] loop0: detected capacity change from 0 to 32768
[ 201.191958][ T4892] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 201.202106][ T4892] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 201.214067][ T4892] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 201.223744][ T4375] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 201.231102][ T4375] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 201.270567][ T4375] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 39ms
[ 201.280660][ T4375] gfs2: fsid=syz:syz.0: jid=0: Done
[ 201.286292][ T4892] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 201.300011][ T4892] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 201.309787][ T4892] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 201.309787][ T4892] inode = 12 2341
[ 201.309787][ T4892] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 201.329574][ T4892] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 201.339007][ T4892] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4892 [syz.0.151] iterate_dir+0x218/0x560
[ 201.349203][ T4892] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 201.359183][ T4892] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 201.366897][ T4892] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 201.376032][ T4892] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 201.382754][ T4892] gfs2: fsid=syz:syz.0: File system withdrawn
[ 201.390136][ T4892] CPU: 0 PID: 4892 Comm: syz.0.151 Not tainted syzkaller #0
[ 201.397466][ T4892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 201.407552][ T4892] Call Trace:
[ 201.410863][ T4892]
[ 201.413822][ T4892] dump_stack_lvl+0x168/0x22e
[ 201.418540][ T4892] ? kobject_uevent_env+0x35f/0x8a0
[ 201.423791][ T4892] ? show_regs_print_info+0x12/0x12
[ 201.429138][ T4892] ? load_image+0x3b0/0x3b0
[ 201.433683][ T4892] ? kobject_uevent_env+0x35f/0x8a0
[ 201.438904][ T4892] gfs2_withdraw+0x143f/0x1780
[ 201.443833][ T4892] ? gfs2_lm+0x220/0x220
[ 201.448090][ T4892] ? load_image+0x3b0/0x3b0
[ 201.452610][ T4892] ? gfs2_consist_inode_i+0xf1/0x110
[ 201.457915][ T4892] gfs2_dirent_scan+0x525/0x650
[ 201.462782][ T4892] ? gfs2_dirent_scan+0x650/0x650
[ 201.467818][ T4892] gfs2_dir_read+0x7ff/0x1780
[ 201.472516][ T4892] ? inode_owner_or_capable+0x200/0x200
[ 201.478085][ T4892] ? __might_sleep+0xd0/0xd0
[ 201.482686][ T4892] ? gfs2_dir_hash_inval+0x70/0x70
[ 201.487808][ T4892] ? gfs2_glock_nq+0xcf0/0x14e0
[ 201.492700][ T4892] ? gfs2_glock_wait+0x20b/0x2a0
[ 201.497654][ T4892] gfs2_readdir+0x14c/0x1b0
[ 201.502194][ T4892] ? gfs2_fallocate+0x470/0x470
[ 201.507067][ T4892] ? iterate_dir+0x218/0x560
[ 201.511764][ T4892] ? preempt_count_add+0x8d/0x190
[ 201.516802][ T4892] ? down_read_killable+0x1cc/0x340
[ 201.522020][ T4892] ? fsnotify_perm+0x248/0x550
[ 201.526801][ T4892] iterate_dir+0x218/0x560
[ 201.531239][ T4892] ? gfs2_fallocate+0x470/0x470
[ 201.536551][ T4892] __se_sys_getdents+0xe5/0x250
[ 201.541424][ T4892] ? __x64_sys_getdents+0x80/0x80
[ 201.546461][ T4892] ? fillonedir+0x4d0/0x4d0
[ 201.550990][ T4892] ? lockdep_hardirqs_on+0x94/0x140
[ 201.556211][ T4892] do_syscall_64+0x4c/0xa0
[ 201.560642][ T4892] ? clear_bhb_loop+0x60/0xb0
[ 201.565330][ T4892] ? clear_bhb_loop+0x60/0xb0
[ 201.570023][ T4892] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 201.575934][ T4892] RIP: 0033:0x7f54ccf8f749
[ 201.580447][ T4892] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 201.600059][ T4892] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 201.608487][ T4892] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 201.616469][ T4892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 201.624455][ T4892] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 201.632432][ T4892] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 201.640411][ T4892] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 201.648840][ T4892]
[ 201.992137][ T4895] loop0: detected capacity change from 0 to 32768
[ 202.010173][ T4895] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 202.020114][ T4895] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 202.033427][ T4895] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 202.042965][ T4375] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 202.050710][ T4375] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 202.100363][ T4375] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 49ms
[ 202.109496][ T4375] gfs2: fsid=syz:syz.0: jid=0: Done
[ 202.114770][ T4895] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 202.128654][ T4895] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 202.138314][ T4895] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 202.138314][ T4895] inode = 12 2341
[ 202.138314][ T4895] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 202.157398][ T4895] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 202.167261][ T4895] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4895 [syz.0.152] iterate_dir+0x218/0x560
[ 202.177207][ T4895] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 202.188266][ T4895] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 202.195987][ T4895] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 202.204872][ T4895] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 202.213275][ T4895] gfs2: fsid=syz:syz.0: File system withdrawn
[ 202.220519][ T4895] CPU: 0 PID: 4895 Comm: syz.0.152 Not tainted syzkaller #0
[ 202.227841][ T4895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 202.237898][ T4895] Call Trace:
[ 202.241190][ T4895]
[ 202.244126][ T4895] dump_stack_lvl+0x168/0x22e
[ 202.248814][ T4895] ? kobject_uevent_env+0x35f/0x8a0
[ 202.254028][ T4895] ? show_regs_print_info+0x12/0x12
[ 202.259239][ T4895] ? load_image+0x3b0/0x3b0
[ 202.263757][ T4895] ? kobject_uevent_env+0x35f/0x8a0
[ 202.268970][ T4895] gfs2_withdraw+0x143f/0x1780
[ 202.273750][ T4895] ? gfs2_lm+0x220/0x220
[ 202.278004][ T4895] ? load_image+0x3b0/0x3b0
[ 202.282527][ T4895] ? gfs2_consist_inode_i+0xf1/0x110
[ 202.287830][ T4895] gfs2_dirent_scan+0x525/0x650
[ 202.292693][ T4895] ? gfs2_dirent_scan+0x650/0x650
[ 202.297736][ T4895] gfs2_dir_read+0x7ff/0x1780
[ 202.302510][ T4895] ? inode_owner_or_capable+0x200/0x200
[ 202.308062][ T4895] ? __might_sleep+0xd0/0xd0
[ 202.312657][ T4895] ? gfs2_dir_hash_inval+0x70/0x70
[ 202.317778][ T4895] ? gfs2_glock_nq+0xcf0/0x14e0
[ 202.322647][ T4895] ? gfs2_glock_wait+0x20b/0x2a0
[ 202.327607][ T4895] gfs2_readdir+0x14c/0x1b0
[ 202.332127][ T4895] ? gfs2_fallocate+0x470/0x470
[ 202.336989][ T4895] ? iterate_dir+0x218/0x560
[ 202.341586][ T4895] ? preempt_count_add+0x8d/0x190
[ 202.346615][ T4895] ? down_read_killable+0x1cc/0x340
[ 202.351837][ T4895] ? fsnotify_perm+0x248/0x550
[ 202.356631][ T4895] iterate_dir+0x218/0x560
[ 202.361068][ T4895] ? gfs2_fallocate+0x470/0x470
[ 202.365935][ T4895] __se_sys_getdents+0xe5/0x250
[ 202.370795][ T4895] ? __x64_sys_getdents+0x80/0x80
[ 202.375826][ T4895] ? fillonedir+0x4d0/0x4d0
[ 202.380345][ T4895] ? lockdep_hardirqs_on+0x94/0x140
[ 202.385555][ T4895] do_syscall_64+0x4c/0xa0
[ 202.389975][ T4895] ? clear_bhb_loop+0x60/0xb0
[ 202.394651][ T4895] ? clear_bhb_loop+0x60/0xb0
[ 202.399335][ T4895] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 202.405227][ T4895] RIP: 0033:0x7f54ccf8f749
[ 202.409644][ T4895] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 202.429264][ T4895] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 202.437693][ T4895] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 202.445754][ T4895] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 202.453728][ T4895] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 202.461702][ T4895] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 202.469683][ T4895] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 202.477682][ T4895]
[ 202.822240][ T4898] loop0: detected capacity change from 0 to 32768
[ 202.841614][ T4898] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 202.849928][ T4898] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 202.861377][ T4898] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 202.871428][ T951] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 202.878525][ T951] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 202.919631][ T951] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 41ms
[ 202.929774][ T951] gfs2: fsid=syz:syz.0: jid=0: Done
[ 202.935818][ T4898] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 202.950585][ T4898] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 202.960743][ T4898] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 202.960743][ T4898] inode = 12 2341
[ 202.960743][ T4898] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 202.979664][ T4898] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 202.989596][ T4898] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4898 [syz.0.153] iterate_dir+0x218/0x560
[ 202.999218][ T4898] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 203.009177][ T4898] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 203.016654][ T4898] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 203.025594][ T4898] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 203.032317][ T4898] gfs2: fsid=syz:syz.0: File system withdrawn
[ 203.039369][ T4898] CPU: 0 PID: 4898 Comm: syz.0.153 Not tainted syzkaller #0
[ 203.046702][ T4898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 203.056770][ T4898] Call Trace:
[ 203.060083][ T4898]
[ 203.063025][ T4898] dump_stack_lvl+0x168/0x22e
[ 203.067724][ T4898] ? kobject_uevent_env+0x35f/0x8a0
[ 203.072955][ T4898] ? show_regs_print_info+0x12/0x12
[ 203.078169][ T4898] ? load_image+0x3b0/0x3b0
[ 203.082728][ T4898] ? kobject_uevent_env+0x35f/0x8a0
[ 203.088042][ T4898] gfs2_withdraw+0x143f/0x1780
[ 203.092842][ T4898] ? gfs2_lm+0x220/0x220
[ 203.097135][ T4898] ? load_image+0x3b0/0x3b0
[ 203.101672][ T4898] ? gfs2_consist_inode_i+0xf1/0x110
[ 203.106983][ T4898] gfs2_dirent_scan+0x525/0x650
[ 203.111871][ T4898] ? gfs2_dirent_scan+0x650/0x650
[ 203.116929][ T4898] gfs2_dir_read+0x7ff/0x1780
[ 203.121629][ T4898] ? inode_owner_or_capable+0x200/0x200
[ 203.127209][ T4898] ? __might_sleep+0xd0/0xd0
[ 203.131824][ T4898] ? gfs2_dir_hash_inval+0x70/0x70
[ 203.136954][ T4898] ? gfs2_glock_nq+0xcf0/0x14e0
[ 203.141848][ T4898] ? gfs2_glock_wait+0x20b/0x2a0
[ 203.146817][ T4898] gfs2_readdir+0x14c/0x1b0
[ 203.151344][ T4898] ? gfs2_fallocate+0x470/0x470
[ 203.156221][ T4898] ? iterate_dir+0x218/0x560
[ 203.160853][ T4898] ? preempt_count_add+0x8d/0x190
[ 203.165896][ T4898] ? down_read_killable+0x1cc/0x340
[ 203.171113][ T4898] ? fsnotify_perm+0x248/0x550
[ 203.175895][ T4898] iterate_dir+0x218/0x560
[ 203.180429][ T4898] ? gfs2_fallocate+0x470/0x470
[ 203.185324][ T4898] __se_sys_getdents+0xe5/0x250
[ 203.190194][ T4898] ? __x64_sys_getdents+0x80/0x80
[ 203.195246][ T4898] ? fillonedir+0x4d0/0x4d0
[ 203.199777][ T4898] ? lockdep_hardirqs_on+0x94/0x140
[ 203.205001][ T4898] do_syscall_64+0x4c/0xa0
[ 203.209517][ T4898] ? clear_bhb_loop+0x60/0xb0
[ 203.214209][ T4898] ? clear_bhb_loop+0x60/0xb0
[ 203.218911][ T4898] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 203.224818][ T4898] RIP: 0033:0x7f54ccf8f749
[ 203.229246][ T4898] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 203.248870][ T4898] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 203.257292][ T4898] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 203.265273][ T4898] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 203.273250][ T4898] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 203.281233][ T4898] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 203.289214][ T4898] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 203.297206][ T4898]
[ 203.666729][ T4901] loop0: detected capacity change from 0 to 32768
[ 203.682137][ T4901] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 203.690458][ T4901] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 203.701794][ T4901] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 203.710918][ T4413] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 203.718557][ T4413] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 203.760089][ T4413] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 41ms
[ 203.769377][ T4413] gfs2: fsid=syz:syz.0: jid=0: Done
[ 203.774666][ T4901] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 203.790684][ T4901] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 203.800412][ T4901] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 203.800412][ T4901] inode = 12 2341
[ 203.800412][ T4901] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 203.820036][ T4901] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 203.829330][ T4901] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4901 [syz.0.154] iterate_dir+0x218/0x560
[ 203.838815][ T4901] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 203.849718][ T4901] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 203.857180][ T4901] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 203.867184][ T4901] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 203.873865][ T4901] gfs2: fsid=syz:syz.0: File system withdrawn
[ 203.880108][ T4901] CPU: 1 PID: 4901 Comm: syz.0.154 Not tainted syzkaller #0
[ 203.887430][ T4901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 203.897511][ T4901] Call Trace:
[ 203.900992][ T4901]
[ 203.903952][ T4901] dump_stack_lvl+0x168/0x22e
[ 203.908669][ T4901] ? kobject_uevent_env+0x35f/0x8a0
[ 203.913894][ T4901] ? show_regs_print_info+0x12/0x12
[ 203.919104][ T4901] ? load_image+0x3b0/0x3b0
[ 203.923628][ T4901] ? kobject_uevent_env+0x35f/0x8a0
[ 203.928879][ T4901] gfs2_withdraw+0x143f/0x1780
[ 203.933686][ T4901] ? gfs2_lm+0x220/0x220
[ 203.937946][ T4901] ? load_image+0x3b0/0x3b0
[ 203.942479][ T4901] ? gfs2_consist_inode_i+0xf1/0x110
[ 203.947791][ T4901] gfs2_dirent_scan+0x525/0x650
[ 203.952650][ T4901] ? gfs2_dirent_scan+0x650/0x650
[ 203.957685][ T4901] gfs2_dir_read+0x7ff/0x1780
[ 203.962386][ T4901] ? inode_owner_or_capable+0x200/0x200
[ 203.967943][ T4901] ? __might_sleep+0xd0/0xd0
[ 203.972537][ T4901] ? gfs2_dir_hash_inval+0x70/0x70
[ 203.977653][ T4901] ? gfs2_glock_nq+0xcf0/0x14e0
[ 203.982520][ T4901] ? gfs2_glock_wait+0x20b/0x2a0
[ 203.987486][ T4901] gfs2_readdir+0x14c/0x1b0
[ 203.992048][ T4901] ? gfs2_fallocate+0x470/0x470
[ 203.996916][ T4901] ? iterate_dir+0x218/0x560
[ 204.001535][ T4901] ? preempt_count_add+0x8d/0x190
[ 204.006565][ T4901] ? down_read_killable+0x1cc/0x340
[ 204.011776][ T4901] ? fsnotify_perm+0x248/0x550
[ 204.016565][ T4901] iterate_dir+0x218/0x560
[ 204.021015][ T4901] ? gfs2_fallocate+0x470/0x470
[ 204.025914][ T4901] __se_sys_getdents+0xe5/0x250
[ 204.030786][ T4901] ? __x64_sys_getdents+0x80/0x80
[ 204.035825][ T4901] ? fillonedir+0x4d0/0x4d0
[ 204.040346][ T4901] ? lockdep_hardirqs_on+0x94/0x140
[ 204.045558][ T4901] do_syscall_64+0x4c/0xa0
[ 204.050006][ T4901] ? clear_bhb_loop+0x60/0xb0
[ 204.054780][ T4901] ? clear_bhb_loop+0x60/0xb0
[ 204.059467][ T4901] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 204.065420][ T4901] RIP: 0033:0x7f54ccf8f749
[ 204.069932][ T4901] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 204.089545][ T4901] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 204.097957][ T4901] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 204.105931][ T4901] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 204.114000][ T4901] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 204.121987][ T4901] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 204.129980][ T4901] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 204.138011][ T4901]
2025/12/04 09:38:38 executed programs: 140
[ 204.550410][ T4904] loop0: detected capacity change from 0 to 32768
[ 204.573419][ T4904] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 204.592478][ T4904] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 204.606101][ T4904] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 204.616661][ T4413] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 204.623774][ T4413] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 204.676325][ T4413] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 52ms
[ 204.685726][ T4413] gfs2: fsid=syz:syz.0: jid=0: Done
[ 204.690990][ T4904] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 204.710556][ T4904] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 204.735045][ T4904] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 204.735045][ T4904] inode = 12 2341
[ 204.735045][ T4904] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 204.762775][ T4905] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 204.775256][ T4904] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 204.784361][ T4904] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4904 [syz.0.155] iterate_dir+0x218/0x560
[ 204.796046][ T4905] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 204.796046][ T4905] inode = 12 2341
[ 204.796046][ T4905] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 204.796538][ T4904] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4905 [syz.0.155] __gfs2_lookup+0x8c/0x260
[ 204.825007][ T4904] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 204.834393][ T4904] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 204.843473][ T4904] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 204.846643][ T4905] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 204.852727][ T4904] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 204.870867][ T4904] gfs2: fsid=syz:syz.0: File system withdrawn
[ 204.877227][ T4904] CPU: 0 PID: 4904 Comm: syz.0.155 Not tainted syzkaller #0
[ 204.884536][ T4904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 204.894612][ T4904] Call Trace:
[ 204.895034][ T4905] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4904 [syz.0.155] iterate_dir+0x218/0x560
[ 204.897896][ T4904]
[ 204.897906][ T4904] dump_stack_lvl+0x168/0x22e
[ 204.914937][ T4904] ? kobject_uevent_env+0x35f/0x8a0
[ 204.920185][ T4904] ? show_regs_print_info+0x12/0x12
[ 204.920395][ T4905] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4905 [syz.0.155] __gfs2_lookup+0x8c/0x260
[ 204.925397][ T4904] ? load_image+0x3b0/0x3b0
[ 204.925428][ T4904] ? kobject_uevent_env+0x35f/0x8a0
[ 204.925464][ T4904] gfs2_withdraw+0x143f/0x1780
[ 204.935154][ T4905] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 204.939424][ T4904] ? gfs2_lm+0x220/0x220
[ 204.962070][ T4904] ? load_image+0x3b0/0x3b0
[ 204.966620][ T4904] ? gfs2_consist_inode_i+0xf1/0x110
[ 204.972277][ T4904] gfs2_dirent_scan+0x525/0x650
[ 204.977140][ T4904] ? gfs2_dirent_scan+0x650/0x650
[ 204.982176][ T4904] gfs2_dir_read+0x7ff/0x1780
[ 204.986872][ T4904] ? inode_owner_or_capable+0x200/0x200
[ 204.992429][ T4904] ? __might_sleep+0xd0/0xd0
[ 204.997042][ T4904] ? gfs2_dir_hash_inval+0x70/0x70
[ 205.002167][ T4904] ? gfs2_glock_nq+0xcf0/0x14e0
[ 205.007045][ T4904] ? gfs2_glock_wait+0x20b/0x2a0
[ 205.012013][ T4904] gfs2_readdir+0x14c/0x1b0
[ 205.016543][ T4904] ? gfs2_fallocate+0x470/0x470
[ 205.021412][ T4904] ? iterate_dir+0x218/0x560
[ 205.026015][ T4904] ? preempt_count_add+0x8d/0x190
[ 205.031057][ T4904] ? down_read_killable+0x1cc/0x340
[ 205.036265][ T4904] ? fsnotify_perm+0x248/0x550
[ 205.041039][ T4904] iterate_dir+0x218/0x560
[ 205.045466][ T4904] ? gfs2_fallocate+0x470/0x470
[ 205.050327][ T4904] __se_sys_getdents+0xe5/0x250
[ 205.055211][ T4904] ? __x64_sys_getdents+0x80/0x80
[ 205.060278][ T4904] ? fillonedir+0x4d0/0x4d0
[ 205.064820][ T4904] ? lockdep_hardirqs_on+0x94/0x140
[ 205.070049][ T4904] do_syscall_64+0x4c/0xa0
[ 205.074473][ T4904] ? clear_bhb_loop+0x60/0xb0
[ 205.079172][ T4904] ? clear_bhb_loop+0x60/0xb0
[ 205.083868][ T4904] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 205.089778][ T4904] RIP: 0033:0x7f54ccf8f749
[ 205.094230][ T4904] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 205.113861][ T4904] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 205.122305][ T4904] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 205.130282][ T4904] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 205.138260][ T4904] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 205.146243][ T4904] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 205.154317][ T4904] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 205.162648][ T4904]
[ 205.502491][ T4908] loop0: detected capacity change from 0 to 32768
[ 205.517736][ T4908] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 205.526097][ T4908] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 205.538260][ T4908] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 205.547516][ T4413] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 205.554328][ T4413] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 205.598072][ T4413] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 43ms
[ 205.605716][ T4413] gfs2: fsid=syz:syz.0: jid=0: Done
[ 205.610978][ T4908] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 205.627392][ T4908] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 205.637752][ T4908] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 205.637752][ T4908] inode = 12 2341
[ 205.637752][ T4908] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 205.656999][ T4908] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 205.666725][ T4908] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4908 [syz.0.156] iterate_dir+0x218/0x560
[ 205.676537][ T4908] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 205.685639][ T4909] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 205.695393][ T4908] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 205.702631][ T4908] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 205.712033][ T4909] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 205.721445][ T4909] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4908 [syz.0.156] iterate_dir+0x218/0x560
[ 205.731338][ T4908] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 205.738757][ T4908] gfs2: fsid=syz:syz.0: File system withdrawn
[ 205.746090][ T4909] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4909 [syz.0.156] __gfs2_lookup+0x8c/0x260
[ 205.756042][ T4908] CPU: 1 PID: 4908 Comm: syz.0.156 Not tainted syzkaller #0
[ 205.763370][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 205.766574][ T4909] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 205.773439][ T4908] Call Trace:
[ 205.773449][ T4908]
[ 205.788084][ T4908] dump_stack_lvl+0x168/0x22e
[ 205.792773][ T4908] ? kobject_uevent_env+0x35f/0x8a0
[ 205.797981][ T4908] ? show_regs_print_info+0x12/0x12
[ 205.803183][ T4908] ? load_image+0x3b0/0x3b0
[ 205.807712][ T4908] ? kobject_uevent_env+0x35f/0x8a0
[ 205.812934][ T4908] gfs2_withdraw+0x143f/0x1780
[ 205.817726][ T4908] ? gfs2_lm+0x220/0x220
[ 205.821987][ T4908] ? load_image+0x3b0/0x3b0
[ 205.826510][ T4908] ? gfs2_consist_inode_i+0xf1/0x110
[ 205.831818][ T4908] gfs2_dirent_scan+0x525/0x650
[ 205.836704][ T4908] ? gfs2_dirent_scan+0x650/0x650
[ 205.841752][ T4908] gfs2_dir_read+0x7ff/0x1780
[ 205.846441][ T4908] ? inode_owner_or_capable+0x200/0x200
[ 205.851997][ T4908] ? __might_sleep+0xd0/0xd0
[ 205.856613][ T4908] ? gfs2_dir_hash_inval+0x70/0x70
[ 205.861739][ T4908] ? gfs2_glock_nq+0xcf0/0x14e0
[ 205.866622][ T4908] ? gfs2_glock_wait+0x20b/0x2a0
[ 205.871591][ T4908] gfs2_readdir+0x14c/0x1b0
[ 205.876121][ T4908] ? gfs2_fallocate+0x470/0x470
[ 205.880990][ T4908] ? iterate_dir+0x218/0x560
[ 205.885603][ T4908] ? preempt_count_add+0x8d/0x190
[ 205.890645][ T4908] ? down_read_killable+0x1cc/0x340
[ 205.895856][ T4908] ? fsnotify_perm+0x248/0x550
[ 205.900641][ T4908] iterate_dir+0x218/0x560
[ 205.905077][ T4908] ? gfs2_fallocate+0x470/0x470
[ 205.909948][ T4908] __se_sys_getdents+0xe5/0x250
[ 205.914839][ T4908] ? __x64_sys_getdents+0x80/0x80
[ 205.919882][ T4908] ? fillonedir+0x4d0/0x4d0
[ 205.924406][ T4908] ? lockdep_hardirqs_on+0x94/0x140
[ 205.929628][ T4908] do_syscall_64+0x4c/0xa0
[ 205.934056][ T4908] ? clear_bhb_loop+0x60/0xb0
[ 205.938748][ T4908] ? clear_bhb_loop+0x60/0xb0
[ 205.943440][ T4908] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 205.949342][ T4908] RIP: 0033:0x7f54ccf8f749
[ 205.953783][ T4908] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 205.973408][ T4908] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 205.981841][ T4908] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 205.989843][ T4908] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 205.997826][ T4908] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 206.005804][ T4908] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 206.013777][ T4908] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 206.021774][ T4908]
[ 206.363651][ T4912] loop0: detected capacity change from 0 to 32768
[ 206.383253][ T4912] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 206.391638][ T4912] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 206.402762][ T4912] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 206.412320][ T951] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 206.419609][ T951] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 206.445058][ T47] Bluetooth: hci0: command 0x0406 tx timeout
[ 206.473664][ T951] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 54ms
[ 206.483081][ T951] gfs2: fsid=syz:syz.0: jid=0: Done
[ 206.488751][ T4912] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 206.504851][ T4912] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 206.514787][ T4912] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 206.514787][ T4912] inode = 12 2341
[ 206.514787][ T4912] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 206.534173][ T4912] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 206.543710][ T4912] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4912 [syz.0.157] iterate_dir+0x218/0x560
[ 206.553457][ T4912] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 206.563726][ T4912] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 206.571263][ T4912] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 206.580578][ T4912] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 206.587506][ T4912] gfs2: fsid=syz:syz.0: File system withdrawn
[ 206.594473][ T4912] CPU: 1 PID: 4912 Comm: syz.0.157 Not tainted syzkaller #0
[ 206.601821][ T4912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 206.611913][ T4912] Call Trace:
[ 206.615239][ T4912]
[ 206.618209][ T4912] dump_stack_lvl+0x168/0x22e
[ 206.622924][ T4912] ? kobject_uevent_env+0x35f/0x8a0
[ 206.628136][ T4912] ? show_regs_print_info+0x12/0x12
[ 206.633341][ T4912] ? load_image+0x3b0/0x3b0
[ 206.637866][ T4912] ? kobject_uevent_env+0x35f/0x8a0
[ 206.643088][ T4912] gfs2_withdraw+0x143f/0x1780
[ 206.647881][ T4912] ? gfs2_lm+0x220/0x220
[ 206.652147][ T4912] ? load_image+0x3b0/0x3b0
[ 206.656677][ T4912] ? gfs2_consist_inode_i+0xf1/0x110
[ 206.661985][ T4912] gfs2_dirent_scan+0x525/0x650
[ 206.666857][ T4912] ? gfs2_dirent_scan+0x650/0x650
[ 206.671899][ T4912] gfs2_dir_read+0x7ff/0x1780
[ 206.676602][ T4912] ? inode_owner_or_capable+0x200/0x200
[ 206.682169][ T4912] ? __might_sleep+0xd0/0xd0
[ 206.686781][ T4912] ? gfs2_dir_hash_inval+0x70/0x70
[ 206.691916][ T4912] ? gfs2_glock_nq+0xcf0/0x14e0
[ 206.696810][ T4912] ? gfs2_glock_wait+0x20b/0x2a0
[ 206.701778][ T4912] gfs2_readdir+0x14c/0x1b0
[ 206.706319][ T4912] ? gfs2_fallocate+0x470/0x470
[ 206.711194][ T4912] ? iterate_dir+0x218/0x560
[ 206.715803][ T4912] ? preempt_count_add+0x8d/0x190
[ 206.720841][ T4912] ? down_read_killable+0x1cc/0x340
[ 206.726061][ T4912] ? fsnotify_perm+0x248/0x550
[ 206.730843][ T4912] iterate_dir+0x218/0x560
[ 206.735278][ T4912] ? gfs2_fallocate+0x470/0x470
[ 206.740156][ T4912] __se_sys_getdents+0xe5/0x250
[ 206.745031][ T4912] ? __x64_sys_getdents+0x80/0x80
[ 206.750068][ T4912] ? fillonedir+0x4d0/0x4d0
[ 206.754597][ T4912] ? lockdep_hardirqs_on+0x94/0x140
[ 206.759817][ T4912] do_syscall_64+0x4c/0xa0
[ 206.764243][ T4912] ? clear_bhb_loop+0x60/0xb0
[ 206.768961][ T4912] ? clear_bhb_loop+0x60/0xb0
[ 206.773663][ T4912] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 206.779575][ T4912] RIP: 0033:0x7f54ccf8f749
[ 206.784002][ T4912] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 206.803624][ T4912] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 206.812051][ T4912] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 206.820036][ T4912] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 206.828014][ T4912] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 206.835988][ T4912] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 206.843966][ T4912] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 206.851960][ T4912]
[ 207.189045][ T4915] loop0: detected capacity change from 0 to 32768
[ 207.203734][ T4915] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 207.216404][ T4915] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 207.227819][ T4915] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 207.237135][ T4375] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 207.243942][ T4375] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 207.282374][ T4375] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 38ms
[ 207.291036][ T4375] gfs2: fsid=syz:syz.0: jid=0: Done
[ 207.297047][ T4915] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 207.312198][ T4915] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 207.321999][ T4915] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 207.321999][ T4915] inode = 12 2341
[ 207.321999][ T4915] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 207.342350][ T4915] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 207.351684][ T4915] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4915 [syz.0.158] iterate_dir+0x218/0x560
[ 207.361573][ T4915] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 207.371804][ T4915] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 207.379500][ T4915] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 207.388623][ T4915] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 207.395510][ T4915] gfs2: fsid=syz:syz.0: File system withdrawn
[ 207.402530][ T4915] CPU: 1 PID: 4915 Comm: syz.0.158 Not tainted syzkaller #0
[ 207.409856][ T4915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 207.420033][ T4915] Call Trace:
[ 207.423379][ T4915]
[ 207.426385][ T4915] dump_stack_lvl+0x168/0x22e
[ 207.431103][ T4915] ? kobject_uevent_env+0x35f/0x8a0
[ 207.436346][ T4915] ? show_regs_print_info+0x12/0x12
[ 207.441582][ T4915] ? load_image+0x3b0/0x3b0
[ 207.446102][ T4915] ? kobject_uevent_env+0x35f/0x8a0
[ 207.451421][ T4915] gfs2_withdraw+0x143f/0x1780
[ 207.456226][ T4915] ? gfs2_lm+0x220/0x220
[ 207.460484][ T4915] ? load_image+0x3b0/0x3b0
[ 207.465005][ T4915] ? gfs2_consist_inode_i+0xf1/0x110
[ 207.470311][ T4915] gfs2_dirent_scan+0x525/0x650
[ 207.475172][ T4915] ? gfs2_dirent_scan+0x650/0x650
[ 207.480248][ T4915] gfs2_dir_read+0x7ff/0x1780
[ 207.484954][ T4915] ? inode_owner_or_capable+0x200/0x200
[ 207.490523][ T4915] ? __might_sleep+0xd0/0xd0
[ 207.495242][ T4915] ? gfs2_dir_hash_inval+0x70/0x70
[ 207.500373][ T4915] ? gfs2_glock_nq+0xcf0/0x14e0
[ 207.505250][ T4915] ? gfs2_glock_wait+0x20b/0x2a0
[ 207.510225][ T4915] gfs2_readdir+0x14c/0x1b0
[ 207.514740][ T4915] ? gfs2_fallocate+0x470/0x470
[ 207.519603][ T4915] ? iterate_dir+0x218/0x560
[ 207.524205][ T4915] ? preempt_count_add+0x8d/0x190
[ 207.529234][ T4915] ? down_read_killable+0x1cc/0x340
[ 207.534438][ T4915] ? fsnotify_perm+0x248/0x550
[ 207.539231][ T4915] iterate_dir+0x218/0x560
[ 207.543656][ T4915] ? gfs2_fallocate+0x470/0x470
[ 207.548520][ T4915] __se_sys_getdents+0xe5/0x250
[ 207.553383][ T4915] ? __x64_sys_getdents+0x80/0x80
[ 207.558416][ T4915] ? fillonedir+0x4d0/0x4d0
[ 207.562941][ T4915] ? lockdep_hardirqs_on+0x94/0x140
[ 207.568156][ T4915] do_syscall_64+0x4c/0xa0
[ 207.572586][ T4915] ? clear_bhb_loop+0x60/0xb0
[ 207.577262][ T4915] ? clear_bhb_loop+0x60/0xb0
[ 207.581942][ T4915] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 207.587858][ T4915] RIP: 0033:0x7f54ccf8f749
[ 207.592275][ T4915] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 207.611889][ T4915] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 207.620321][ T4915] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 207.628324][ T4915] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 207.636300][ T4915] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 207.644274][ T4915] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 207.652260][ T4915] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 207.660269][ T4915]
[ 208.004365][ T4918] loop0: detected capacity change from 0 to 32768
[ 208.023608][ T4918] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 208.031973][ T4918] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 208.043850][ T4918] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 208.053457][ T26] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 208.060733][ T26] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 208.115294][ T26] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 54ms
[ 208.124446][ T26] gfs2: fsid=syz:syz.0: jid=0: Done
[ 208.130057][ T4918] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 208.144264][ T4918] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 208.154578][ T4918] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 208.154578][ T4918] inode = 12 2341
[ 208.154578][ T4918] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 208.174025][ T4918] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 208.183910][ T4918] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4918 [syz.0.159] iterate_dir+0x218/0x560
[ 208.193960][ T4918] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 208.204385][ T4918] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 208.212063][ T4918] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 208.221357][ T4918] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 208.228582][ T4918] gfs2: fsid=syz:syz.0: File system withdrawn
[ 208.235840][ T4918] CPU: 1 PID: 4918 Comm: syz.0.159 Not tainted syzkaller #0
[ 208.243165][ T4918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 208.253251][ T4918] Call Trace:
[ 208.256650][ T4918]
[ 208.259590][ T4918] dump_stack_lvl+0x168/0x22e
[ 208.264293][ T4918] ? kobject_uevent_env+0x35f/0x8a0
[ 208.269510][ T4918] ? show_regs_print_info+0x12/0x12
[ 208.274718][ T4918] ? load_image+0x3b0/0x3b0
[ 208.279241][ T4918] ? kobject_uevent_env+0x35f/0x8a0
[ 208.284470][ T4918] gfs2_withdraw+0x143f/0x1780
[ 208.289265][ T4918] ? gfs2_lm+0x220/0x220
[ 208.293525][ T4918] ? load_image+0x3b0/0x3b0
[ 208.298058][ T4918] ? gfs2_consist_inode_i+0xf1/0x110
[ 208.303370][ T4918] gfs2_dirent_scan+0x525/0x650
[ 208.308233][ T4918] ? gfs2_dirent_scan+0x650/0x650
[ 208.313318][ T4918] gfs2_dir_read+0x7ff/0x1780
[ 208.318013][ T4918] ? inode_owner_or_capable+0x200/0x200
[ 208.323585][ T4918] ? __might_sleep+0xd0/0xd0
[ 208.328193][ T4918] ? gfs2_dir_hash_inval+0x70/0x70
[ 208.333308][ T4918] ? gfs2_glock_nq+0xcf0/0x14e0
[ 208.338192][ T4918] ? gfs2_glock_wait+0x20b/0x2a0
[ 208.343146][ T4918] gfs2_readdir+0x14c/0x1b0
[ 208.347673][ T4918] ? gfs2_fallocate+0x470/0x470
[ 208.352555][ T4918] ? iterate_dir+0x218/0x560
[ 208.357240][ T4918] ? preempt_count_add+0x8d/0x190
[ 208.362271][ T4918] ? down_read_killable+0x1cc/0x340
[ 208.367483][ T4918] ? fsnotify_perm+0x248/0x550
[ 208.372263][ T4918] iterate_dir+0x218/0x560
[ 208.376699][ T4918] ? gfs2_fallocate+0x470/0x470
[ 208.381569][ T4918] __se_sys_getdents+0xe5/0x250
[ 208.386451][ T4918] ? __x64_sys_getdents+0x80/0x80
[ 208.391485][ T4918] ? fillonedir+0x4d0/0x4d0
[ 208.396018][ T4918] ? lockdep_hardirqs_on+0x94/0x140
[ 208.401252][ T4918] do_syscall_64+0x4c/0xa0
[ 208.405803][ T4918] ? clear_bhb_loop+0x60/0xb0
[ 208.410507][ T4918] ? clear_bhb_loop+0x60/0xb0
[ 208.415208][ T4918] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 208.421219][ T4918] RIP: 0033:0x7f54ccf8f749
[ 208.425646][ T4918] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 208.445309][ T4918] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 208.453775][ T4918] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 208.461765][ T4918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 208.469739][ T4918] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 208.477713][ T4918] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 208.485693][ T4918] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 208.493690][ T4918]
[ 208.838203][ T4921] loop0: detected capacity change from 0 to 32768
[ 208.847562][ T4921] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 208.856373][ T4921] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 208.868454][ T4921] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 208.877597][ T4375] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 208.884415][ T4375] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 208.935409][ T4375] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 50ms
[ 208.942990][ T4375] gfs2: fsid=syz:syz.0: jid=0: Done
[ 208.948402][ T4921] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 208.960267][ T4921] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 208.970593][ T4921] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 208.970593][ T4921] inode = 12 2341
[ 208.970593][ T4921] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 208.989351][ T4921] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 208.998839][ T4921] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4921 [syz.0.160] iterate_dir+0x218/0x560
[ 209.008539][ T4921] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 209.012807][ T4922] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 209.019534][ T4921] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 209.026680][ T4922] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 209.026718][ T4922] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4921 [syz.0.160] iterate_dir+0x218/0x560
[ 209.026760][ T4922] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4922 [syz.0.160] __gfs2_lookup+0x8c/0x260
[ 209.026796][ T4922] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 209.070655][ T4921] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 209.079510][ T4921] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 209.086843][ T4921] gfs2: fsid=syz:syz.0: File system withdrawn
[ 209.093080][ T4921] CPU: 1 PID: 4921 Comm: syz.0.160 Not tainted syzkaller #0
[ 209.100398][ T4921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 209.110453][ T4921] Call Trace:
[ 209.113731][ T4921]
[ 209.116660][ T4921] dump_stack_lvl+0x168/0x22e
[ 209.121354][ T4921] ? kobject_uevent_env+0x35f/0x8a0
[ 209.126593][ T4921] ? show_regs_print_info+0x12/0x12
[ 209.131801][ T4921] ? load_image+0x3b0/0x3b0
[ 209.136338][ T4921] ? kobject_uevent_env+0x35f/0x8a0
[ 209.141553][ T4921] gfs2_withdraw+0x143f/0x1780
[ 209.146344][ T4921] ? gfs2_lm+0x220/0x220
[ 209.150603][ T4921] ? load_image+0x3b0/0x3b0
[ 209.155117][ T4921] ? gfs2_consist_inode_i+0xf1/0x110
[ 209.160502][ T4921] gfs2_dirent_scan+0x525/0x650
[ 209.165364][ T4921] ? gfs2_dirent_scan+0x650/0x650
[ 209.170404][ T4921] gfs2_dir_read+0x7ff/0x1780
[ 209.175100][ T4921] ? inode_owner_or_capable+0x200/0x200
[ 209.180649][ T4921] ? __might_sleep+0xd0/0xd0
[ 209.185261][ T4921] ? gfs2_dir_hash_inval+0x70/0x70
[ 209.190396][ T4921] ? gfs2_glock_nq+0xcf0/0x14e0
[ 209.195258][ T4921] ? gfs2_glock_wait+0x20b/0x2a0
[ 209.200216][ T4921] gfs2_readdir+0x14c/0x1b0
[ 209.204744][ T4921] ? gfs2_fallocate+0x470/0x470
[ 209.209624][ T4921] ? iterate_dir+0x218/0x560
[ 209.214253][ T4921] ? preempt_count_add+0x8d/0x190
[ 209.219296][ T4921] ? down_read_killable+0x1cc/0x340
[ 209.224633][ T4921] ? fsnotify_perm+0x248/0x550
[ 209.229514][ T4921] iterate_dir+0x218/0x560
[ 209.233973][ T4921] ? gfs2_fallocate+0x470/0x470
[ 209.238845][ T4921] __se_sys_getdents+0xe5/0x250
[ 209.243737][ T4921] ? __x64_sys_getdents+0x80/0x80
[ 209.248790][ T4921] ? fillonedir+0x4d0/0x4d0
[ 209.253309][ T4921] ? lockdep_hardirqs_on+0x94/0x140
[ 209.258628][ T4921] do_syscall_64+0x4c/0xa0
[ 209.263080][ T4921] ? clear_bhb_loop+0x60/0xb0
[ 209.267769][ T4921] ? clear_bhb_loop+0x60/0xb0
[ 209.272453][ T4921] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 209.278374][ T4921] RIP: 0033:0x7f54ccf8f749
[ 209.282797][ T4921] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 209.302413][ T4921] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 209.310833][ T4921] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 209.318814][ T4921] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 209.326782][ T4921] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 209.334759][ T4921] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 209.342825][ T4921] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 209.350814][ T4921]
2025/12/04 09:38:44 executed programs: 146
[ 209.703298][ T4925] loop0: detected capacity change from 0 to 32768
[ 209.719133][ T4925] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 209.728451][ T4925] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 209.743847][ T4925] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 209.753145][ T4375] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 209.760261][ T4375] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 209.799351][ T4375] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 39ms
[ 209.807085][ T4375] gfs2: fsid=syz:syz.0: jid=0: Done
[ 209.813531][ T4925] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 209.829744][ T4925] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 209.839532][ T4925] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 209.839532][ T4925] inode = 12 2341
[ 209.839532][ T4925] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 209.859008][ T4925] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 209.868499][ T4925] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4925 [syz.0.161] iterate_dir+0x218/0x560
[ 209.878835][ T4925] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 209.888749][ T4925] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 209.896238][ T4925] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 209.905152][ T4925] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 209.911916][ T4925] gfs2: fsid=syz:syz.0: File system withdrawn
[ 209.919354][ T4925] CPU: 0 PID: 4925 Comm: syz.0.161 Not tainted syzkaller #0
[ 209.926818][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 209.937002][ T4925] Call Trace:
[ 209.940311][ T4925]
[ 209.943265][ T4925] dump_stack_lvl+0x168/0x22e
[ 209.947988][ T4925] ? kobject_uevent_env+0x35f/0x8a0
[ 209.953241][ T4925] ? show_regs_print_info+0x12/0x12
[ 209.958478][ T4925] ? load_image+0x3b0/0x3b0
[ 209.962996][ T4925] ? kobject_uevent_env+0x35f/0x8a0
[ 209.968216][ T4925] gfs2_withdraw+0x143f/0x1780
[ 209.972998][ T4925] ? gfs2_lm+0x220/0x220
[ 209.977252][ T4925] ? load_image+0x3b0/0x3b0
[ 209.981772][ T4925] ? gfs2_consist_inode_i+0xf1/0x110
[ 209.987069][ T4925] gfs2_dirent_scan+0x525/0x650
[ 209.991931][ T4925] ? gfs2_dirent_scan+0x650/0x650
[ 209.996971][ T4925] gfs2_dir_read+0x7ff/0x1780
[ 210.001659][ T4925] ? inode_owner_or_capable+0x200/0x200
[ 210.007213][ T4925] ? __might_sleep+0xd0/0xd0
[ 210.011813][ T4925] ? gfs2_dir_hash_inval+0x70/0x70
[ 210.016925][ T4925] ? gfs2_glock_nq+0xcf0/0x14e0
[ 210.021801][ T4925] ? gfs2_glock_wait+0x20b/0x2a0
[ 210.026767][ T4925] gfs2_readdir+0x14c/0x1b0
[ 210.031494][ T4925] ? gfs2_fallocate+0x470/0x470
[ 210.036360][ T4925] ? iterate_dir+0x218/0x560
[ 210.040959][ T4925] ? preempt_count_add+0x8d/0x190
[ 210.046013][ T4925] ? down_read_killable+0x1cc/0x340
[ 210.051237][ T4925] ? fsnotify_perm+0x248/0x550
[ 210.056012][ T4925] iterate_dir+0x218/0x560
[ 210.060439][ T4925] ? gfs2_fallocate+0x470/0x470
[ 210.065327][ T4925] __se_sys_getdents+0xe5/0x250
[ 210.070209][ T4925] ? __x64_sys_getdents+0x80/0x80
[ 210.075261][ T4925] ? fillonedir+0x4d0/0x4d0
[ 210.079803][ T4925] ? lockdep_hardirqs_on+0x94/0x140
[ 210.085034][ T4925] do_syscall_64+0x4c/0xa0
[ 210.089463][ T4925] ? clear_bhb_loop+0x60/0xb0
[ 210.094147][ T4925] ? clear_bhb_loop+0x60/0xb0
[ 210.098847][ T4925] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 210.104743][ T4925] RIP: 0033:0x7f54ccf8f749
[ 210.109168][ T4925] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 210.128868][ T4925] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 210.137301][ T4925] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 210.145278][ T4925] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 210.153257][ T4925] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 210.161232][ T4925] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 210.169213][ T4925] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 210.177205][ T4925]
[ 210.517094][ T4928] loop0: detected capacity change from 0 to 32768
[ 210.537144][ T4928] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 210.545448][ T4928] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 210.556845][ T4928] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 210.566320][ T951] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 210.573140][ T951] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 210.620158][ T951] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 47ms
[ 210.629616][ T951] gfs2: fsid=syz:syz.0: jid=0: Done
[ 210.634949][ T4928] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 210.648660][ T4928] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 210.658814][ T4928] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 210.658814][ T4928] inode = 12 2341
[ 210.658814][ T4928] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 210.678001][ T4928] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 210.687874][ T4928] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4928 [syz.0.162] iterate_dir+0x218/0x560
[ 210.697497][ T4928] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 210.707575][ T4928] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 210.715010][ T4928] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 210.723811][ T4928] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 210.730630][ T4928] gfs2: fsid=syz:syz.0: File system withdrawn
[ 210.738357][ T4928] CPU: 0 PID: 4928 Comm: syz.0.162 Not tainted syzkaller #0
[ 210.745697][ T4928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 210.755781][ T4928] Call Trace:
[ 210.759091][ T4928]
[ 210.762050][ T4928] dump_stack_lvl+0x168/0x22e
[ 210.766768][ T4928] ? kobject_uevent_env+0x35f/0x8a0
[ 210.772004][ T4928] ? show_regs_print_info+0x12/0x12
[ 210.777234][ T4928] ? load_image+0x3b0/0x3b0
[ 210.781771][ T4928] ? kobject_uevent_env+0x35f/0x8a0
[ 210.786994][ T4928] gfs2_withdraw+0x143f/0x1780
[ 210.791782][ T4928] ? gfs2_lm+0x220/0x220
[ 210.796057][ T4928] ? load_image+0x3b0/0x3b0
[ 210.800621][ T4928] ? gfs2_consist_inode_i+0xf1/0x110
[ 210.805942][ T4928] gfs2_dirent_scan+0x525/0x650
[ 210.810852][ T4928] ? gfs2_dirent_scan+0x650/0x650
[ 210.815915][ T4928] gfs2_dir_read+0x7ff/0x1780
[ 210.820604][ T4928] ? inode_owner_or_capable+0x200/0x200
[ 210.826179][ T4928] ? __might_sleep+0xd0/0xd0
[ 210.830810][ T4928] ? gfs2_dir_hash_inval+0x70/0x70
[ 210.835935][ T4928] ? gfs2_glock_nq+0xcf0/0x14e0
[ 210.840799][ T4928] ? gfs2_glock_wait+0x20b/0x2a0
[ 210.845764][ T4928] gfs2_readdir+0x14c/0x1b0
[ 210.850292][ T4928] ? gfs2_fallocate+0x470/0x470
[ 210.855168][ T4928] ? iterate_dir+0x218/0x560
[ 210.859871][ T4928] ? preempt_count_add+0x8d/0x190
[ 210.864923][ T4928] ? down_read_killable+0x1cc/0x340
[ 210.870146][ T4928] ? fsnotify_perm+0x248/0x550
[ 210.874927][ T4928] iterate_dir+0x218/0x560
[ 210.879370][ T4928] ? gfs2_fallocate+0x470/0x470
[ 210.884240][ T4928] __se_sys_getdents+0xe5/0x250
[ 210.889111][ T4928] ? __x64_sys_getdents+0x80/0x80
[ 210.894155][ T4928] ? fillonedir+0x4d0/0x4d0
[ 210.898712][ T4928] ? lockdep_hardirqs_on+0x94/0x140
[ 210.903930][ T4928] do_syscall_64+0x4c/0xa0
[ 210.908384][ T4928] ? clear_bhb_loop+0x60/0xb0
[ 210.913092][ T4928] ? clear_bhb_loop+0x60/0xb0
[ 210.917801][ T4928] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 210.923705][ T4928] RIP: 0033:0x7f54ccf8f749
[ 210.928132][ T4928] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 210.947752][ T4928] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 210.956394][ T4928] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 210.964375][ T4928] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 210.972360][ T4928] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 210.980345][ T4928] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 210.988324][ T4928] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 210.996319][ T4928]
[ 211.335682][ T4931] loop0: detected capacity change from 0 to 32768
[ 211.354078][ T4931] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 211.364144][ T4931] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 211.375969][ T4931] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 211.385179][ T26] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 211.391995][ T26] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 211.442659][ T26] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 50ms
[ 211.451159][ T26] gfs2: fsid=syz:syz.0: jid=0: Done
[ 211.458024][ T4931] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 211.472941][ T4931] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 211.482837][ T4931] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 211.482837][ T4931] inode = 12 2341
[ 211.482837][ T4931] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 211.501799][ T4931] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 211.511311][ T4931] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4931 [syz.0.163] iterate_dir+0x218/0x560
[ 211.521989][ T4931] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 211.532361][ T4931] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 211.540924][ T4931] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 211.550723][ T4931] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 211.558612][ T4931] gfs2: fsid=syz:syz.0: File system withdrawn
[ 211.564734][ T4931] CPU: 1 PID: 4931 Comm: syz.0.163 Not tainted syzkaller #0
[ 211.572045][ T4931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 211.582109][ T4931] Call Trace:
[ 211.585391][ T4931]
[ 211.588324][ T4931] dump_stack_lvl+0x168/0x22e
[ 211.593012][ T4931] ? kobject_uevent_env+0x35f/0x8a0
[ 211.598238][ T4931] ? show_regs_print_info+0x12/0x12
[ 211.603438][ T4931] ? load_image+0x3b0/0x3b0
[ 211.607961][ T4931] ? kobject_uevent_env+0x35f/0x8a0
[ 211.613214][ T4931] gfs2_withdraw+0x143f/0x1780
[ 211.618002][ T4931] ? gfs2_lm+0x220/0x220
[ 211.622257][ T4931] ? load_image+0x3b0/0x3b0
[ 211.626802][ T4931] ? gfs2_consist_inode_i+0xf1/0x110
[ 211.632119][ T4931] gfs2_dirent_scan+0x525/0x650
[ 211.636993][ T4931] ? gfs2_dirent_scan+0x650/0x650
[ 211.642038][ T4931] gfs2_dir_read+0x7ff/0x1780
[ 211.646739][ T4931] ? inode_owner_or_capable+0x200/0x200
[ 211.652304][ T4931] ? __might_sleep+0xd0/0xd0
[ 211.656910][ T4931] ? gfs2_dir_hash_inval+0x70/0x70
[ 211.662043][ T4931] ? gfs2_glock_nq+0xcf0/0x14e0
[ 211.666931][ T4931] ? gfs2_glock_wait+0x20b/0x2a0
[ 211.671908][ T4931] gfs2_readdir+0x14c/0x1b0
[ 211.676438][ T4931] ? gfs2_fallocate+0x470/0x470
[ 211.681315][ T4931] ? iterate_dir+0x218/0x560
[ 211.685928][ T4931] ? preempt_count_add+0x8d/0x190
[ 211.690992][ T4931] ? down_read_killable+0x1cc/0x340
[ 211.696242][ T4931] ? fsnotify_perm+0x248/0x550
[ 211.701030][ T4931] iterate_dir+0x218/0x560
[ 211.705473][ T4931] ? gfs2_fallocate+0x470/0x470
[ 211.710348][ T4931] __se_sys_getdents+0xe5/0x250
[ 211.715220][ T4931] ? __x64_sys_getdents+0x80/0x80
[ 211.720281][ T4931] ? fillonedir+0x4d0/0x4d0
[ 211.724805][ T4931] ? lockdep_hardirqs_on+0x94/0x140
[ 211.730029][ T4931] do_syscall_64+0x4c/0xa0
[ 211.734610][ T4931] ? clear_bhb_loop+0x60/0xb0
[ 211.739316][ T4931] ? clear_bhb_loop+0x60/0xb0
[ 211.744018][ T4931] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 211.749944][ T4931] RIP: 0033:0x7f54ccf8f749
[ 211.754418][ T4931] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 211.774050][ T4931] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 211.782493][ T4931] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 211.790474][ T4931] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 211.798544][ T4931] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 211.806523][ T4931] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 211.814501][ T4931] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 211.822495][ T4931]
[ 212.163507][ T4934] loop0: detected capacity change from 0 to 32768
[ 212.181971][ T4934] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 212.192101][ T4934] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 212.203677][ T4934] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 212.213090][ T26] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 212.220421][ T26] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 212.275856][ T26] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 55ms
[ 212.283444][ T26] gfs2: fsid=syz:syz.0: jid=0: Done
[ 212.288755][ T4934] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 212.303105][ T4934] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 212.313815][ T4934] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 212.313815][ T4934] inode = 12 2341
[ 212.313815][ T4934] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 212.332750][ T4934] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 212.343728][ T4934] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4934 [syz.0.164] iterate_dir+0x218/0x560
[ 212.353322][ T4934] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 212.363197][ T4934] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 212.370694][ T4934] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 212.379657][ T4934] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 212.387241][ T4934] gfs2: fsid=syz:syz.0: File system withdrawn
[ 212.394295][ T4934] CPU: 0 PID: 4934 Comm: syz.0.164 Not tainted syzkaller #0
[ 212.401630][ T4934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 212.411722][ T4934] Call Trace:
[ 212.415056][ T4934]
[ 212.418039][ T4934] dump_stack_lvl+0x168/0x22e
[ 212.422727][ T4934] ? kobject_uevent_env+0x35f/0x8a0
[ 212.427938][ T4934] ? show_regs_print_info+0x12/0x12
[ 212.433155][ T4934] ? load_image+0x3b0/0x3b0
[ 212.437669][ T4934] ? kobject_uevent_env+0x35f/0x8a0
[ 212.442885][ T4934] gfs2_withdraw+0x143f/0x1780
[ 212.447670][ T4934] ? gfs2_lm+0x220/0x220
[ 212.451938][ T4934] ? load_image+0x3b0/0x3b0
[ 212.456462][ T4934] ? gfs2_consist_inode_i+0xf1/0x110
[ 212.461757][ T4934] gfs2_dirent_scan+0x525/0x650
[ 212.466626][ T4934] ? gfs2_dirent_scan+0x650/0x650
[ 212.471670][ T4934] gfs2_dir_read+0x7ff/0x1780
[ 212.476367][ T4934] ? inode_owner_or_capable+0x200/0x200
[ 212.481921][ T4934] ? __might_sleep+0xd0/0xd0
[ 212.486526][ T4934] ? gfs2_dir_hash_inval+0x70/0x70
[ 212.491649][ T4934] ? gfs2_glock_nq+0xcf0/0x14e0
[ 212.496551][ T4934] ? gfs2_glock_wait+0x20b/0x2a0
[ 212.501518][ T4934] gfs2_readdir+0x14c/0x1b0
[ 212.506043][ T4934] ? gfs2_fallocate+0x470/0x470
[ 212.510925][ T4934] ? iterate_dir+0x218/0x560
[ 212.515535][ T4934] ? preempt_count_add+0x8d/0x190
[ 212.520569][ T4934] ? down_read_killable+0x1cc/0x340
[ 212.525785][ T4934] ? fsnotify_perm+0x248/0x550
[ 212.530563][ T4934] iterate_dir+0x218/0x560
[ 212.535011][ T4934] ? gfs2_fallocate+0x470/0x470
[ 212.539882][ T4934] __se_sys_getdents+0xe5/0x250
[ 212.544764][ T4934] ? __x64_sys_getdents+0x80/0x80
[ 212.549800][ T4934] ? fillonedir+0x4d0/0x4d0
[ 212.554319][ T4934] ? lockdep_hardirqs_on+0x94/0x140
[ 212.559540][ T4934] do_syscall_64+0x4c/0xa0
[ 212.563974][ T4934] ? clear_bhb_loop+0x60/0xb0
[ 212.568662][ T4934] ? clear_bhb_loop+0x60/0xb0
[ 212.573348][ T4934] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 212.579251][ T4934] RIP: 0033:0x7f54ccf8f749
[ 212.583675][ T4934] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 212.603302][ T4934] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 212.611734][ T4934] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 212.619720][ T4934] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 212.627720][ T4934] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 212.635708][ T4934] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 212.643709][ T4934] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 212.651724][ T4934]
[ 213.001317][ T4937] loop0: detected capacity change from 0 to 32768
[ 213.014528][ T4937] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 213.023167][ T4937] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 213.034586][ T4937] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 213.043928][ T26] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 213.051028][ T26] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 213.090582][ T26] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 39ms
[ 213.098262][ T26] gfs2: fsid=syz:syz.0: jid=0: Done
[ 213.103524][ T4937] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 213.120402][ T4937] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 213.130102][ T4937] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 213.130102][ T4937] inode = 12 2341
[ 213.130102][ T4937] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 213.149259][ T4937] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 213.158877][ T4937] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4937 [syz.0.165] iterate_dir+0x218/0x560
[ 213.168644][ T4937] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 213.178822][ T4937] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 213.186436][ T4937] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 213.195574][ T4937] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 213.202304][ T4937] gfs2: fsid=syz:syz.0: File system withdrawn
[ 213.208839][ T4937] CPU: 1 PID: 4937 Comm: syz.0.165 Not tainted syzkaller #0
[ 213.216172][ T4937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 213.226265][ T4937] Call Trace:
[ 213.229578][ T4937]
[ 213.232546][ T4937] dump_stack_lvl+0x168/0x22e
[ 213.237267][ T4937] ? kobject_uevent_env+0x35f/0x8a0
[ 213.242558][ T4937] ? show_regs_print_info+0x12/0x12
[ 213.247799][ T4937] ? load_image+0x3b0/0x3b0
[ 213.252350][ T4937] ? kobject_uevent_env+0x35f/0x8a0
[ 213.257596][ T4937] gfs2_withdraw+0x143f/0x1780
[ 213.262393][ T4937] ? gfs2_lm+0x220/0x220
[ 213.266671][ T4937] ? load_image+0x3b0/0x3b0
[ 213.271217][ T4937] ? gfs2_consist_inode_i+0xf1/0x110
[ 213.276543][ T4937] gfs2_dirent_scan+0x525/0x650
[ 213.281416][ T4937] ? gfs2_dirent_scan+0x650/0x650
[ 213.286471][ T4937] gfs2_dir_read+0x7ff/0x1780
[ 213.291201][ T4937] ? inode_owner_or_capable+0x200/0x200
[ 213.296793][ T4937] ? __might_sleep+0xd0/0xd0
[ 213.301427][ T4937] ? gfs2_dir_hash_inval+0x70/0x70
[ 213.306563][ T4937] ? gfs2_glock_nq+0xcf0/0x14e0
[ 213.311447][ T4937] ? gfs2_glock_wait+0x20b/0x2a0
[ 213.316417][ T4937] gfs2_readdir+0x14c/0x1b0
[ 213.320943][ T4937] ? gfs2_fallocate+0x470/0x470
[ 213.325813][ T4937] ? iterate_dir+0x218/0x560
[ 213.330417][ T4937] ? preempt_count_add+0x8d/0x190
[ 213.335543][ T4937] ? down_read_killable+0x1cc/0x340
[ 213.340760][ T4937] ? fsnotify_perm+0x248/0x550
[ 213.345546][ T4937] iterate_dir+0x218/0x560
[ 213.349986][ T4937] ? gfs2_fallocate+0x470/0x470
[ 213.354863][ T4937] __se_sys_getdents+0xe5/0x250
[ 213.359849][ T4937] ? __x64_sys_getdents+0x80/0x80
[ 213.364892][ T4937] ? fillonedir+0x4d0/0x4d0
[ 213.369425][ T4937] ? lockdep_hardirqs_on+0x94/0x140
[ 213.374647][ T4937] do_syscall_64+0x4c/0xa0
[ 213.379089][ T4937] ? clear_bhb_loop+0x60/0xb0
[ 213.383780][ T4937] ? clear_bhb_loop+0x60/0xb0
[ 213.388557][ T4937] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 213.394459][ T4937] RIP: 0033:0x7f54ccf8f749
[ 213.398891][ T4937] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 213.418508][ T4937] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 213.426940][ T4937] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 213.434919][ T4937] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 213.442902][ T4937] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 213.450877][ T4937] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 213.458859][ T4937] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 213.466854][ T4937]
[ 213.814473][ T4940] loop0: detected capacity change from 0 to 32768
[ 213.828061][ T4940] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 213.836370][ T4940] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 213.847633][ T4940] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 213.856787][ T26] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 213.863595][ T26] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 213.916320][ T26] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 52ms
[ 213.924529][ T26] gfs2: fsid=syz:syz.0: jid=0: Done
[ 213.931490][ T4940] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 213.951350][ T4940] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 213.961399][ T4940] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 213.961399][ T4940] inode = 12 2341
[ 213.961399][ T4940] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 213.980988][ T4940] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 213.990419][ T4940] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4940 [syz.0.166] iterate_dir+0x218/0x560
[ 214.001028][ T4940] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 214.011142][ T4940] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 214.019013][ T4940] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 214.028260][ T4940] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 214.035762][ T4940] gfs2: fsid=syz:syz.0: File system withdrawn
[ 214.042272][ T4940] CPU: 1 PID: 4940 Comm: syz.0.166 Not tainted syzkaller #0
[ 214.049631][ T4940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 214.059719][ T4940] Call Trace:
[ 214.063004][ T4940]
[ 214.065943][ T4940] dump_stack_lvl+0x168/0x22e
[ 214.070646][ T4940] ? kobject_uevent_env+0x35f/0x8a0
[ 214.075902][ T4940] ? show_regs_print_info+0x12/0x12
[ 214.081123][ T4940] ? load_image+0x3b0/0x3b0
[ 214.085655][ T4940] ? kobject_uevent_env+0x35f/0x8a0
[ 214.090871][ T4940] gfs2_withdraw+0x143f/0x1780
[ 214.095678][ T4940] ? gfs2_lm+0x220/0x220
[ 214.099950][ T4940] ? load_image+0x3b0/0x3b0
[ 214.104469][ T4940] ? gfs2_consist_inode_i+0xf1/0x110
[ 214.109770][ T4940] gfs2_dirent_scan+0x525/0x650
[ 214.114635][ T4940] ? gfs2_dirent_scan+0x650/0x650
[ 214.119676][ T4940] gfs2_dir_read+0x7ff/0x1780
[ 214.124369][ T4940] ? inode_owner_or_capable+0x200/0x200
[ 214.129949][ T4940] ? __might_sleep+0xd0/0xd0
[ 214.134586][ T4940] ? gfs2_dir_hash_inval+0x70/0x70
[ 214.139739][ T4940] ? gfs2_glock_nq+0xcf0/0x14e0
[ 214.144648][ T4940] ? gfs2_glock_wait+0x20b/0x2a0
[ 214.149718][ T4940] gfs2_readdir+0x14c/0x1b0
[ 214.154517][ T4940] ? gfs2_fallocate+0x470/0x470
[ 214.159411][ T4940] ? iterate_dir+0x218/0x560
[ 214.164041][ T4940] ? preempt_count_add+0x8d/0x190
[ 214.169102][ T4940] ? down_read_killable+0x1cc/0x340
[ 214.174342][ T4940] ? fsnotify_perm+0x248/0x550
[ 214.179150][ T4940] iterate_dir+0x218/0x560
[ 214.183673][ T4940] ? gfs2_fallocate+0x470/0x470
[ 214.188608][ T4940] __se_sys_getdents+0xe5/0x250
[ 214.193493][ T4940] ? __x64_sys_getdents+0x80/0x80
[ 214.198556][ T4940] ? fillonedir+0x4d0/0x4d0
[ 214.203113][ T4940] ? lockdep_hardirqs_on+0x94/0x140
[ 214.208349][ T4940] do_syscall_64+0x4c/0xa0
[ 214.212804][ T4940] ? clear_bhb_loop+0x60/0xb0
[ 214.217527][ T4940] ? clear_bhb_loop+0x60/0xb0
[ 214.222228][ T4940] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 214.228149][ T4940] RIP: 0033:0x7f54ccf8f749
[ 214.232741][ T4940] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 214.252511][ T4940] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 214.260944][ T4940] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 214.269011][ T4940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 214.276986][ T4940] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 214.284963][ T4940] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 214.292944][ T4940] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 214.300940][ T4940]
[ 214.653348][ T4943] loop0: detected capacity change from 0 to 32768
[ 214.671654][ T4943] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 214.681695][ T4943] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 214.693341][ T4943] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 214.703144][ T4413] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 214.710223][ T4413] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 214.748170][ T4413] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 37ms
[ 214.757498][ T4413] gfs2: fsid=syz:syz.0: jid=0: Done
[ 214.763098][ T4943] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 214.778193][ T4943] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 214.788233][ T4943] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 214.788233][ T4943] inode = 12 2341
[ 214.788233][ T4943] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 214.807870][ T4943] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 214.817303][ T4943] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4943 [syz.0.167] iterate_dir+0x218/0x560
[ 214.827055][ T4943] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 214.837264][ T4943] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 214.844621][ T4943] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 214.853899][ T4943] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 214.860968][ T4943] gfs2: fsid=syz:syz.0: File system withdrawn
[ 214.867799][ T4943] CPU: 1 PID: 4943 Comm: syz.0.167 Not tainted syzkaller #0
[ 214.875128][ T4943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 214.885209][ T4943] Call Trace:
[ 214.888511][ T4943]
[ 214.891464][ T4943] dump_stack_lvl+0x168/0x22e
[ 214.896184][ T4943] ? kobject_uevent_env+0x35f/0x8a0
[ 214.901426][ T4943] ? show_regs_print_info+0x12/0x12
[ 214.906655][ T4943] ? load_image+0x3b0/0x3b0
[ 214.911167][ T4943] ? kobject_uevent_env+0x35f/0x8a0
[ 214.916380][ T4943] gfs2_withdraw+0x143f/0x1780
[ 214.921164][ T4943] ? gfs2_lm+0x220/0x220
[ 214.925424][ T4943] ? load_image+0x3b0/0x3b0
[ 214.929959][ T4943] ? gfs2_consist_inode_i+0xf1/0x110
[ 214.935258][ T4943] gfs2_dirent_scan+0x525/0x650
[ 214.940117][ T4943] ? gfs2_dirent_scan+0x650/0x650
[ 214.945146][ T4943] gfs2_dir_read+0x7ff/0x1780
[ 214.949838][ T4943] ? inode_owner_or_capable+0x200/0x200
[ 214.955387][ T4943] ? __might_sleep+0xd0/0xd0
[ 214.960003][ T4943] ? gfs2_dir_hash_inval+0x70/0x70
[ 214.965118][ T4943] ? gfs2_glock_nq+0xcf0/0x14e0
[ 214.969992][ T4943] ? gfs2_glock_wait+0x20b/0x2a0
[ 214.974962][ T4943] gfs2_readdir+0x14c/0x1b0
[ 214.979502][ T4943] ? gfs2_fallocate+0x470/0x470
[ 214.984383][ T4943] ? iterate_dir+0x218/0x560
[ 214.988996][ T4943] ? preempt_count_add+0x8d/0x190
[ 214.994030][ T4943] ? down_read_killable+0x1cc/0x340
[ 214.999270][ T4943] ? fsnotify_perm+0x248/0x550
[ 215.004056][ T4943] iterate_dir+0x218/0x560
[ 215.008485][ T4943] ? gfs2_fallocate+0x470/0x470
[ 215.013357][ T4943] __se_sys_getdents+0xe5/0x250
[ 215.018226][ T4943] ? __x64_sys_getdents+0x80/0x80
[ 215.023267][ T4943] ? fillonedir+0x4d0/0x4d0
[ 215.027795][ T4943] ? lockdep_hardirqs_on+0x94/0x140
[ 215.033016][ T4943] do_syscall_64+0x4c/0xa0
[ 215.037442][ T4943] ? clear_bhb_loop+0x60/0xb0
[ 215.042128][ T4943] ? clear_bhb_loop+0x60/0xb0
[ 215.046817][ T4943] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 215.052724][ T4943] RIP: 0033:0x7f54ccf8f749
[ 215.057159][ T4943] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 215.076781][ T4943] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 215.085241][ T4943] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 215.093222][ T4943] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 215.101204][ T4943] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 215.109201][ T4943] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 215.117181][ T4943] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 215.125187][ T4943]
2025/12/04 09:38:49 executed programs: 153
[ 215.474835][ T4946] loop0: detected capacity change from 0 to 32768
[ 215.494122][ T4946] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 215.504064][ T4946] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 215.515458][ T4946] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 215.524684][ T4413] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 215.531602][ T4413] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 215.585290][ T4413] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 53ms
[ 215.594338][ T4413] gfs2: fsid=syz:syz.0: jid=0: Done
[ 215.600050][ T4946] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 215.612628][ T4946] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 215.622433][ T4946] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 215.622433][ T4946] inode = 12 2341
[ 215.622433][ T4946] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 215.641595][ T4946] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 215.651517][ T4946] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4946 [syz.0.168] iterate_dir+0x218/0x560
[ 215.661413][ T4946] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 215.671622][ T4946] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 215.679509][ T4946] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 215.689630][ T4946] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 215.697553][ T4946] gfs2: fsid=syz:syz.0: File system withdrawn
[ 215.703773][ T4946] CPU: 1 PID: 4946 Comm: syz.0.168 Not tainted syzkaller #0
[ 215.711123][ T4946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 215.721210][ T4946] Call Trace:
[ 215.724511][ T4946]
[ 215.727464][ T4946] dump_stack_lvl+0x168/0x22e
[ 215.732162][ T4946] ? kobject_uevent_env+0x35f/0x8a0
[ 215.737374][ T4946] ? show_regs_print_info+0x12/0x12
[ 215.742583][ T4946] ? load_image+0x3b0/0x3b0
[ 215.747097][ T4946] ? kobject_uevent_env+0x35f/0x8a0
[ 215.752336][ T4946] gfs2_withdraw+0x143f/0x1780
[ 215.757143][ T4946] ? gfs2_lm+0x220/0x220
[ 215.761447][ T4946] ? load_image+0x3b0/0x3b0
[ 215.765997][ T4946] ? gfs2_consist_inode_i+0xf1/0x110
[ 215.771318][ T4946] gfs2_dirent_scan+0x525/0x650
[ 215.776190][ T4946] ? gfs2_dirent_scan+0x650/0x650
[ 215.781251][ T4946] gfs2_dir_read+0x7ff/0x1780
[ 215.785947][ T4946] ? inode_owner_or_capable+0x200/0x200
[ 215.791510][ T4946] ? __might_sleep+0xd0/0xd0
[ 215.796114][ T4946] ? gfs2_dir_hash_inval+0x70/0x70
[ 215.801242][ T4946] ? gfs2_glock_nq+0xcf0/0x14e0
[ 215.806132][ T4946] ? gfs2_glock_wait+0x20b/0x2a0
[ 215.811095][ T4946] gfs2_readdir+0x14c/0x1b0
[ 215.815642][ T4946] ? gfs2_fallocate+0x470/0x470
[ 215.820521][ T4946] ? iterate_dir+0x218/0x560
[ 215.825125][ T4946] ? preempt_count_add+0x8d/0x190
[ 215.830166][ T4946] ? down_read_killable+0x1cc/0x340
[ 215.835395][ T4946] ? fsnotify_perm+0x248/0x550
[ 215.840179][ T4946] iterate_dir+0x218/0x560
[ 215.844610][ T4946] ? gfs2_fallocate+0x470/0x470
[ 215.849487][ T4946] __se_sys_getdents+0xe5/0x250
[ 215.854358][ T4946] ? __x64_sys_getdents+0x80/0x80
[ 215.859401][ T4946] ? fillonedir+0x4d0/0x4d0
[ 215.863928][ T4946] ? lockdep_hardirqs_on+0x94/0x140
[ 215.869234][ T4946] do_syscall_64+0x4c/0xa0
[ 215.873664][ T4946] ? clear_bhb_loop+0x60/0xb0
[ 215.878357][ T4946] ? clear_bhb_loop+0x60/0xb0
[ 215.883053][ T4946] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 215.888971][ T4946] RIP: 0033:0x7f54ccf8f749
[ 215.893402][ T4946] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 215.913020][ T4946] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 215.921445][ T4946] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 215.929434][ T4946] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 215.937505][ T4946] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 215.945489][ T4946] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 215.953511][ T4946] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 215.961515][ T4946]
[ 216.309718][ T4949] loop0: detected capacity change from 0 to 32768
[ 216.323091][ T4949] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 216.332240][ T4949] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 216.343341][ T4949] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 216.353331][ T4375] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 216.360606][ T4375] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 216.415391][ T4375] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 54ms
[ 216.422939][ T4375] gfs2: fsid=syz:syz.0: jid=0: Done
[ 216.429359][ T4949] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 216.442197][ T4949] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 216.453163][ T4949] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 216.453163][ T4949] inode = 12 2341
[ 216.453163][ T4949] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 216.472329][ T4949] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 216.482177][ T4949] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4949 [syz.0.169] iterate_dir+0x218/0x560
[ 216.491982][ T4949] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 216.502133][ T4949] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 216.510950][ T4949] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 216.520400][ T4949] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 216.527384][ T4949] gfs2: fsid=syz:syz.0: File system withdrawn
[ 216.533610][ T4949] CPU: 1 PID: 4949 Comm: syz.0.169 Not tainted syzkaller #0
[ 216.540922][ T4949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 216.551008][ T4949] Call Trace:
[ 216.554313][ T4949]
[ 216.557272][ T4949] dump_stack_lvl+0x168/0x22e
[ 216.561991][ T4949] ? kobject_uevent_env+0x35f/0x8a0
[ 216.567228][ T4949] ? show_regs_print_info+0x12/0x12
[ 216.572443][ T4949] ? load_image+0x3b0/0x3b0
[ 216.576990][ T4949] ? kobject_uevent_env+0x35f/0x8a0
[ 216.582211][ T4949] gfs2_withdraw+0x143f/0x1780
[ 216.587007][ T4949] ? gfs2_lm+0x220/0x220
[ 216.591271][ T4949] ? load_image+0x3b0/0x3b0
[ 216.595789][ T4949] ? gfs2_consist_inode_i+0xf1/0x110
[ 216.601092][ T4949] gfs2_dirent_scan+0x525/0x650
[ 216.605972][ T4949] ? gfs2_dirent_scan+0x650/0x650
[ 216.611028][ T4949] gfs2_dir_read+0x7ff/0x1780
[ 216.615722][ T4949] ? inode_owner_or_capable+0x200/0x200
[ 216.621281][ T4949] ? __might_sleep+0xd0/0xd0
[ 216.625897][ T4949] ? gfs2_dir_hash_inval+0x70/0x70
[ 216.631040][ T4949] ? gfs2_glock_nq+0xcf0/0x14e0
[ 216.635913][ T4949] ? gfs2_glock_wait+0x20b/0x2a0
[ 216.640864][ T4949] gfs2_readdir+0x14c/0x1b0
[ 216.645400][ T4949] ? gfs2_fallocate+0x470/0x470
[ 216.650287][ T4949] ? iterate_dir+0x218/0x560
[ 216.654892][ T4949] ? preempt_count_add+0x8d/0x190
[ 216.659937][ T4949] ? down_read_killable+0x1cc/0x340
[ 216.665158][ T4949] ? fsnotify_perm+0x248/0x550
[ 216.669942][ T4949] iterate_dir+0x218/0x560
[ 216.674369][ T4949] ? gfs2_fallocate+0x470/0x470
[ 216.679237][ T4949] __se_sys_getdents+0xe5/0x250
[ 216.684094][ T4949] ? __x64_sys_getdents+0x80/0x80
[ 216.689122][ T4949] ? fillonedir+0x4d0/0x4d0
[ 216.693634][ T4949] ? lockdep_hardirqs_on+0x94/0x140
[ 216.698842][ T4949] do_syscall_64+0x4c/0xa0
[ 216.703266][ T4949] ? clear_bhb_loop+0x60/0xb0
[ 216.707949][ T4949] ? clear_bhb_loop+0x60/0xb0
[ 216.712627][ T4949] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 216.718529][ T4949] RIP: 0033:0x7f54ccf8f749
[ 216.722948][ T4949] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 216.742556][ T4949] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 216.751070][ T4949] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 216.759065][ T4949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 216.767044][ T4949] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 216.775107][ T4949] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 216.783085][ T4949] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 216.791073][ T4949]
[ 217.139234][ T4952] loop0: detected capacity change from 0 to 32768
[ 217.151887][ T4952] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 217.160217][ T4952] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 217.171277][ T4952] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 217.181433][ T26] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 217.188357][ T26] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 217.231524][ T26] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 43ms
[ 217.240776][ T26] gfs2: fsid=syz:syz.0: jid=0: Done
[ 217.248071][ T4952] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 217.268682][ T4952] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 217.279471][ T4952] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 217.279471][ T4952] inode = 12 2341
[ 217.279471][ T4952] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 217.300335][ T4952] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 217.309514][ T4952] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4952 [syz.0.170] iterate_dir+0x218/0x560
[ 217.320298][ T4952] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 217.320545][ T4953] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 217.328932][ T4952] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 217.328949][ T4952] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 217.328963][ T4952] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 217.329123][ T4952] gfs2: fsid=syz:syz.0: File system withdrawn
[ 217.329136][ T4952] CPU: 1 PID: 4952 Comm: syz.0.170 Not tainted syzkaller #0
[ 217.329157][ T4952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 217.329170][ T4952] Call Trace:
[ 217.329178][ T4952]
[ 217.376217][ T4953] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 217.384579][ T4952] dump_stack_lvl+0x168/0x22e
[ 217.404584][ T4952] ? kobject_uevent_env+0x35f/0x8a0
[ 217.405808][ T4953] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4952 [syz.0.170] iterate_dir+0x218/0x560
[ 217.409814][ T4952] ? show_regs_print_info+0x12/0x12
[ 217.424434][ T4952] ? load_image+0x3b0/0x3b0
[ 217.428981][ T4952] ? kobject_uevent_env+0x35f/0x8a0
[ 217.434244][ T4952] gfs2_withdraw+0x143f/0x1780
[ 217.439078][ T4952] ? gfs2_lm+0x220/0x220
[ 217.443368][ T4952] ? load_image+0x3b0/0x3b0
[ 217.444047][ T4953] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4953 [syz.0.170] __gfs2_lookup+0x8c/0x260
[ 217.447933][ T4952] ? gfs2_consist_inode_i+0xf1/0x110
[ 217.447971][ T4952] gfs2_dirent_scan+0x525/0x650
[ 217.448001][ T4952] ? gfs2_dirent_scan+0x650/0x650
[ 217.459843][ T4953] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 217.462756][ T4952] gfs2_dir_read+0x7ff/0x1780
[ 217.485814][ T4952] ? inode_owner_or_capable+0x200/0x200
[ 217.491377][ T4952] ? __might_sleep+0xd0/0xd0
[ 217.495994][ T4952] ? gfs2_dir_hash_inval+0x70/0x70
[ 217.501155][ T4952] ? gfs2_glock_nq+0xcf0/0x14e0
[ 217.506026][ T4952] ? gfs2_glock_wait+0x20b/0x2a0
[ 217.511013][ T4952] gfs2_readdir+0x14c/0x1b0
[ 217.515548][ T4952] ? gfs2_fallocate+0x470/0x470
[ 217.520427][ T4952] ? iterate_dir+0x218/0x560
[ 217.525025][ T4952] ? preempt_count_add+0x8d/0x190
[ 217.530062][ T4952] ? down_read_killable+0x1cc/0x340
[ 217.535285][ T4952] ? fsnotify_perm+0x248/0x550
[ 217.540072][ T4952] iterate_dir+0x218/0x560
[ 217.544494][ T4952] ? gfs2_fallocate+0x470/0x470
[ 217.549364][ T4952] __se_sys_getdents+0xe5/0x250
[ 217.554226][ T4952] ? __x64_sys_getdents+0x80/0x80
[ 217.559261][ T4952] ? fillonedir+0x4d0/0x4d0
[ 217.563782][ T4952] ? lockdep_hardirqs_on+0x94/0x140
[ 217.568993][ T4952] do_syscall_64+0x4c/0xa0
[ 217.573414][ T4952] ? clear_bhb_loop+0x60/0xb0
[ 217.578095][ T4952] ? clear_bhb_loop+0x60/0xb0
[ 217.582791][ T4952] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 217.588699][ T4952] RIP: 0033:0x7f54ccf8f749
[ 217.593125][ T4952] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 217.612744][ T4952] RSP: 002b:00007f54cded7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 217.621190][ T4952] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 217.629178][ T4952] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 217.637159][ T4952] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 217.645144][ T4952] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 217.653117][ T4952] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 217.661459][ T4952]
[ 218.010920][ T4956] loop0: detected capacity change from 0 to 32768
[ 218.024088][ T4956] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 218.032407][ T4956] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 218.043951][ T4956] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 218.053710][ T4375] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 218.060936][ T4375] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 218.115426][ T4375] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 54ms
[ 218.123075][ T4375] gfs2: fsid=syz:syz.0: jid=0: Done
[ 218.128398][ T4956] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 218.142504][ T4956] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 218.153412][ T4956] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 218.153412][ T4956] inode = 12 2341
[ 218.153412][ T4956] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 218.173337][ T4956] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1
[ 218.182777][ T4956] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4956 [syz.0.171] iterate_dir+0x218/0x560
[ 218.195339][ T4956] gfs2: fsid=syz:syz.0: H: s:SH f:AH e:0 p:4957 [syz.0.171] inode_permission+0x239/0x480
[ 218.195506][ T4957] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block)
[ 218.207026][ T4956] general protection fault, probably for non-canonical address 0xfd96d1bb96eed964: 0000 [#1] PREEMPT SMP KASAN
[ 218.226874][ T4956] KASAN: maybe wild-memory-access in range [0xecb6addcb776cb20-0xecb6addcb776cb27]
[ 218.236179][ T4956] CPU: 1 PID: 4956 Comm: syz.0.171 Not tainted syzkaller #0
[ 218.243489][ T4956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 218.253582][ T4956] RIP: 0010:gfs2_dump_glock+0xbde/0x1830
[ 218.254951][ T4957] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error
[ 218.254951][ T4957] inode = 12 2341
[ 218.254951][ T4957] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602
[ 218.259247][ T4956] Code: c6 05 54 5e 7f 0a 01 48 c7 c7 e0 15 d2 8a be 19 03 00 00 48 c7 c2 20 16 d2 8a e8 8d 18 d8 fd 4d 8d 7d 20 4c 89 fb 48 c1 eb 03 <42> 0f b6 04 23 84 c0 0f 85 9e 06 00 00 45 0f b7 37 44 89 f6 81 e6
[ 218.285465][ T4957] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1
[ 218.297555][ T4956] RSP: 0018:ffffc900052e7740 EFLAGS: 00010a02
[ 218.297577][ T4956] RAX: ffffffff838b8e6b RBX: 1d96d5bb96eed964 RCX: ffff88802cd53b80
[ 218.297594][ T4956] RDX: 0000000000000000 RSI: ffffffff8adef740 RDI: ffffffff8adef700
[ 218.297608][ T4956] RBP: ffffc900052e7a30 R08: dffffc0000000000 R09: fffffbfff215c449
[ 218.297623][ T4956] R10: fffffbfff215c449 R11: 1ffffffff215c448 R12: dffffc0000000000
[ 218.297637][ T4956] R13: ecb6addcb776cb00 R14: 0000000000000000 R15: ecb6addcb776cb20
[ 218.297650][ T4956] FS: 00007f54cded76c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 218.297668][ T4956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 218.308100][ T4957] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4956 [syz.0.171] iterate_dir+0x218/0x560
[ 218.312735][ T4956] CR2: 00007f54cdeb6d58 CR3: 0000000069a1b000 CR4: 00000000003506e0
[ 218.321028][ T4957] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:4957 [syz.0.171] __gfs2_lookup+0x8c/0x260
[ 218.328664][ T4956] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 218.328678][ T4956] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 218.328692][ T4956] Call Trace:
[ 218.328698][ T4956]
[ 218.328706][ T4956] ? gfs2_dump_glock+0xb34/0x1830
[ 218.336729][ T4957] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0
[ 218.344643][ T4956] ? gfs2_glock_free+0x1090/0x1090
[ 218.353288][ T4957] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 218.361635][ T4956] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 218.361670][ T4956] ? irq_work_queue+0xb8/0x140
[ 218.368334][ T4957] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount.
[ 218.377633][ T4956] ? load_image+0x3b0/0x3b0
[ 218.377665][ T4956] ? vprintk_emit+0x571/0x680
[ 218.385699][ T4957] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0
[ 218.395089][ T4956] ? load_image+0x3b0/0x3b0
[ 218.404690][ T4957] gfs2: fsid=syz:syz.0: File system withdrawn
[ 218.411034][ T4956] gfs2_consist_inode_i+0xf1/0x110
[ 218.411073][ T4956] gfs2_dirent_scan+0x525/0x650
[ 218.414385][ T4957] CPU: 0 PID: 4957 Comm: syz.0.171 Not tainted syzkaller #0
[ 218.417296][ T4956] ? gfs2_dirent_scan+0x650/0x650
[ 218.422321][ T4957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 218.430718][ T4956] gfs2_dir_read+0x7ff/0x1780
[ 218.435824][ T4957] Call Trace:
[ 218.435833][ T4957]
[ 218.443033][ T4956] ? inode_owner_or_capable+0x200/0x200
[ 218.448387][ T4957] dump_stack_lvl+0x168/0x22e
[ 218.453139][ T4956] ? __might_sleep+0xd0/0xd0
[ 218.461885][ T4957] ? kobject_uevent_env+0x35f/0x8a0
[ 218.466389][ T4956] ? gfs2_dir_hash_inval+0x70/0x70
[ 218.471056][ T4957] ? show_regs_print_info+0x12/0x12
[ 218.477457][ T4956] ? gfs2_glock_nq+0xcf0/0x14e0
[ 218.481947][ T4957] ? load_image+0x3b0/0x3b0
[ 218.488027][ T4956] ? gfs2_glock_wait+0x20b/0x2a0
[ 218.493123][ T4957] ? kobject_uevent_env+0x35f/0x8a0
[ 218.497962][ T4956] gfs2_readdir+0x14c/0x1b0
[ 218.505235][ T4957] gfs2_withdraw+0x143f/0x1780
[ 218.510246][ T4956] ? gfs2_fallocate+0x470/0x470
[ 218.520300][ T4957] ? gfs2_lm+0x220/0x220
[ 218.524955][ T4956] ? iterate_dir+0x218/0x560
[ 218.528230][ T4957] ? load_image+0x3b0/0x3b0
[ 218.531163][ T4956] ? preempt_count_add+0x8d/0x190
[ 218.536716][ T4957] ? gfs2_consist_inode_i+0xf1/0x110
[ 218.541378][ T4956] ? down_read_killable+0x1cc/0x340
[ 218.545962][ T4957] gfs2_dirent_scan+0x525/0x650
[ 218.551153][ T4956] ? fsnotify_perm+0x248/0x550
[ 218.556255][ T4957] ? gfs2_dirent_search+0x7e0/0x7e0
[ 218.561439][ T4956] iterate_dir+0x218/0x560
[ 218.566282][ T4957] ? gfs2_dirent_search+0x7e0/0x7e0
[ 218.570769][ T4956] ? gfs2_fallocate+0x470/0x470
[ 218.575697][ T4957] gfs2_dirent_search+0x2dd/0x7e0
[ 218.580886][ T4956] __se_sys_getdents+0xe5/0x250
[ 218.585375][ T4957] ? gfs2_permission+0x3f1/0x4c0
[ 218.590127][ T4956] ? __x64_sys_getdents+0x80/0x80
[ 218.594975][ T4957] ? gfs2_dir_search+0x220/0x220
[ 218.599227][ T4956] ? fillonedir+0x4d0/0x4d0
[ 218.603810][ T4957] ? gfs2_lookupi+0x640/0x640
[ 218.608310][ T4956] ? lockdep_hardirqs_on+0x94/0x140
[ 218.613318][ T4957] gfs2_dir_search+0x49/0x220
[ 218.618585][ T4956] do_syscall_64+0x4c/0xa0
[ 218.623770][ T4957] gfs2_lookupi+0x45f/0x640
[ 218.628603][ T4956] ? clear_bhb_loop+0x60/0xb0
[ 218.633383][ T4957] ? gfs2_lookup_simple+0xf0/0xf0
[ 218.638565][ T4956] ? clear_bhb_loop+0x60/0xb0
[ 218.642966][ T4957] ? d_alloc_parallel+0x13e0/0x1530
[ 218.648149][ T4956] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 218.652983][ T4957] ? __gfs2_lookup+0x8c/0x260
[ 218.657993][ T4956] RIP: 0033:0x7f54ccf8f749
[ 218.662832][ T4957] __gfs2_lookup+0x8c/0x260
[ 218.667755][ T4956] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 218.672779][ T4957] ? lockdep_softirqs_off+0x420/0x420
[ 218.677702][ T4956] RSP: 002b:00007f54cded7038 EFLAGS: 00000246
[ 218.682196][ T4957] ? gfs2_atomic_open+0x210/0x210
[ 218.686857][ T4956] ORIG_RAX: 000000000000004e
[ 218.692052][ T4957] ? __init_waitqueue_head+0xa5/0x150
[ 218.696714][ T4956] RAX: ffffffffffffffda RBX: 00007f54cd1e5fa0 RCX: 00007f54ccf8f749
[ 218.701119][ T4957] __lookup_slow+0x27d/0x3a0
[ 218.705604][ T4956] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
[ 218.710277][ T4957] ? lookup_one_len+0x2c0/0x2c0
[ 218.715286][ T4956] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 218.719954][ T4957] ? preempt_count_add+0x8d/0x190
[ 218.725128][ T4956] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 218.731009][ T4957] ? down_read+0x1a8/0x2d0
[ 218.735691][ T4956] R13: 00007f54cd1e6038 R14: 00007f54cd1e5fa0 R15: 00007ffdda481a88
[ 218.740105][ T4957] lookup_slow+0x53/0x70
[ 218.744601][ T4956]
[ 218.764228][ T4957] walk_component+0x2be/0x3f0
[ 218.769605][ T4956] Modules linked in:
[ 218.775665][ T4957] ? path_lookupat+0x15c/0x440
[ 218.780701][ T4956]
[ 218.786926][ T4956] ---[ end trace 0000000000000000 ]---
[ 218.790759][ T4957] path_lookupat+0x169/0x440
[ 218.798947][ T4956] RIP: 0010:gfs2_dump_glock+0xbde/0x1830
[ 218.803417][ T4957] filename_lookup+0x1f0/0x500
[ 218.811481][ T4956] Code: c6 05 54 5e 7f 0a 01 48 c7 c7 e0 15 d2 8a be 19 03 00 00 48 c7 c2 20 16 d2 8a e8 8d 18 d8 fd 4d 8d 7d 20 4c 89 fb 48 c1 eb 03 <42> 0f b6 04 23 84 c0 0f 85 9e 06 00 00 45 0f b7 37 44 89 f6 81 e6
[ 218.816236][ T4957] ? hashlen_string+0x110/0x110
[ 218.824282][ T4956] RSP: 0018:ffffc900052e7740 EFLAGS: 00010a02
[ 218.829249][ T4957] ? strncpy_from_user+0x1e3/0x350
[ 218.829281][ T4957] ? getname_flags+0x206/0x500
[ 218.829311][ T4957] user_path_at_empty+0x3e/0x60
[ 218.829342][ T4957] __se_sys_mount+0x297/0x3c0
[ 218.829365][ T4957] ? __x64_sys_mount+0xc0/0xc0
[ 218.829386][ T4957] ? lockdep_hardirqs_on+0x94/0x140
[ 218.953490][ T4957] ? __x64_sys_mount+0x1c/0xc0
[ 218.958269][ T4957] do_syscall_64+0x4c/0xa0
[ 218.962696][ T4957] ? clear_bhb_loop+0x60/0xb0
[ 218.967393][ T4957] ? clear_bhb_loop+0x60/0xb0
[ 218.972083][ T4957] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 218.977989][ T4957] RIP: 0033:0x7f54ccf8f749
[ 218.982408][ T4957] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
[ 219.002022][ T4957] RSP: 002b:00007f54cdeb6038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.010447][ T4957] RAX: ffffffffffffffda RBX: 00007f54cd1e6090 RCX: 00007f54ccf8f749
[ 219.018431][ T4957] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000
[ 219.026408][ T4957] RBP: 00007f54cd013f91 R08: 0000000000000000 R09: 0000000000000000
[ 219.034386][ T4957] R10: 0000000000800000 R11: 0000000000000246 R12: 0000000000000000
[ 219.042367][ T4957] R13: 00007f54cd1e6128 R14: 00007f54cd1e6090 R15: 00007ffdda481a88
[ 219.050355][ T4957]
[ 219.055742][ T4956]
[ 219.058174][ T4956] RAX: ffffffff838b8e6b RBX: 1d96d5bb96eed964 RCX: ffff88802cd53b80
[ 219.066488][ T4956] RDX: 0000000000000000 RSI: ffffffff8adef740 RDI: ffffffff8adef700
[ 219.074515][ T4956] RBP: ffffc900052e7a30 R08: dffffc0000000000 R09: fffffbfff215c449
[ 219.082594][ T4956] R10: fffffbfff215c449 R11: 1ffffffff215c448 R12: dffffc0000000000
[ 219.090671][ T4956] R13: ecb6addcb776cb00 R14: 0000000000000000 R15: ecb6addcb776cb20
[ 219.098716][ T4956] FS: 00007f54cded76c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 219.107689][ T4956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 219.114276][ T4956] CR2: 00007f54cde95d58 CR3: 0000000069a1b000 CR4: 00000000003506e0
[ 219.122289][ T4956] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 219.130325][ T4956] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 219.138348][ T4956] Kernel panic - not syncing: Fatal exception
[ 219.144834][ T4956] Kernel Offset: disabled
[ 219.149166][ T4956] Rebooting in 86400 seconds..