8.233545][ T8571] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 608.233556][ T8571] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 608.233804][ T8571] gfs2: fsid=syz:syz.0: File system withdrawn [ 608.233820][ T8571] CPU: 0 UID: 0 PID: 8571 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 608.233841][ T8571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 608.233853][ T8571] Call Trace: [ 608.233867][ T8571] [ 608.233876][ T8571] dump_stack_lvl+0x189/0x250 [ 608.233902][ T8571] ? kobject_uevent_env+0x36e/0x8c0 [ 608.233927][ T8571] ? __pfx_dump_stack_lvl+0x10/0x10 [ 608.233951][ T8571] ? __pfx__printk+0x10/0x10 [ 608.233972][ T8571] ? kobject_uevent_env+0x36e/0x8c0 [ 608.234003][ T8571] gfs2_withdraw+0xb30/0x1430 [ 608.234040][ T8571] ? __pfx_gfs2_withdraw+0x10/0x10 [ 608.234065][ T8571] ? __pfx__printk+0x10/0x10 [ 608.234091][ T8571] ? gfs2_consist_inode_i+0xf5/0x110 [ 608.234117][ T8571] gfs2_dirent_scan+0x545/0x690 [ 608.234142][ T8571] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 608.234165][ T8571] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 608.234188][ T8571] gfs2_dirent_search+0x2e0/0x7e0 [ 608.234213][ T8571] ? gfs2_permission+0x370/0x440 [ 608.234235][ T8571] ? __pfx___might_resched+0x10/0x10 [ 608.234257][ T8571] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 608.234279][ T8571] ? __pfx_gfs2_permission+0x10/0x10 [ 608.234311][ T8571] gfs2_dir_search+0x4c/0x220 [ 608.234338][ T8571] gfs2_lookupi+0x3dc/0x5a0 [ 608.234367][ T8571] ? __pfx_gfs2_lookupi+0x10/0x10 [ 608.234388][ T8571] ? d_alloc_parallel+0x14c5/0x1600 [ 608.234411][ T8571] ? __gfs2_lookup+0x8f/0x270 [ 608.234440][ T8571] ? d_alloc_parallel+0x2f0/0x1600 [ 608.234462][ T8571] __gfs2_lookup+0x8f/0x270 [ 608.234489][ T8571] ? __pfx___gfs2_lookup+0x10/0x10 [ 608.234519][ T8571] ? __rt_spin_lock_init+0x3e/0x50 [ 608.234540][ T8571] ? __init_waitqueue_head+0xae/0x160 [ 608.234566][ T8571] __lookup_slow+0x29a/0x3d0 [ 608.234588][ T8571] ? __pfx___lookup_slow+0x10/0x10 [ 608.234620][ T8571] ? down_read+0x181/0x1f0 [ 608.234642][ T8571] ? __pfx_down_read+0x10/0x10 [ 608.234656][ T8571] ? gfs2_dhash+0x59/0xb0 [ 608.234677][ T8571] ? lookup_fast+0x192/0x5b0 [ 608.234698][ T8571] lookup_slow+0x53/0x70 [ 608.234717][ T8571] walk_component+0x2d2/0x400 [ 608.234732][ T8571] ? path_lookupat+0x156/0x430 [ 608.234752][ T8571] path_lookupat+0x163/0x430 [ 608.234778][ T8571] filename_lookup+0x212/0x570 [ 608.234794][ T8571] ? __x64_sys_newstat+0xcc/0x170 [ 608.234810][ T8571] ? do_syscall_64+0xfa/0x3b0 [ 608.234834][ T8571] ? __pfx_filename_lookup+0x10/0x10 [ 608.234885][ T8571] ? __might_fault+0xb0/0x130 [ 608.234921][ T8571] vfs_statx+0xf8/0x550 [ 608.234952][ T8571] ? __pfx_vfs_statx+0x10/0x10 [ 608.234979][ T8571] ? getname_flags+0x1e5/0x540 [ 608.235007][ T8571] __x64_sys_newstat+0xea/0x170 [ 608.235024][ T8571] ? __pfx___x64_sys_newstat+0x10/0x10 [ 608.235040][ T8571] ? rcu_is_watching+0x15/0xb0 [ 608.235084][ T8571] ? rcu_is_watching+0x15/0xb0 [ 608.235112][ T8571] ? do_syscall_64+0xbe/0x3b0 [ 608.235134][ T8571] do_syscall_64+0xfa/0x3b0 [ 608.235151][ T8571] ? lockdep_hardirqs_on+0x9c/0x150 [ 608.235175][ T8571] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 608.235192][ T8571] ? clear_bhb_loop+0x60/0xb0 executing program [ 608.235214][ T8571] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 608.235232][ T8571] RIP: 0033:0x7f63069e67b9 [ 608.235249][ T8571] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 608.235265][ T8571] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 608.235285][ T8571] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 608.235299][ T8571] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 608.235312][ T8571] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 608.235324][ T8571] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 608.235336][ T8571] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 608.235366][ T8571] [ 608.972269][ T8575] loop0: detected capacity change from 0 to 32768 [ 608.990533][ T8575] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 608.990552][ T8575] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 609.019712][ T8575] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 609.022060][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 609.022079][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 609.133427][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 111ms [ 609.133787][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 609.133913][ T8575] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 609.141047][ T8575] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 609.141068][ T8575] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 609.141095][ T8575] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 609.141123][ T8575] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8575 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 609.141159][ T8575] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 609.141180][ T8575] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 609.141196][ T8575] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 609.141207][ T8575] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 609.141426][ T8575] gfs2: fsid=syz:syz.0: File system withdrawn [ 609.141441][ T8575] CPU: 0 UID: 0 PID: 8575 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 609.141463][ T8575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 609.141474][ T8575] Call Trace: [ 609.141481][ T8575] [ 609.141487][ T8575] dump_stack_lvl+0x189/0x250 [ 609.141512][ T8575] ? kobject_uevent_env+0x36e/0x8c0 [ 609.141535][ T8575] ? __pfx_dump_stack_lvl+0x10/0x10 [ 609.141559][ T8575] ? __pfx__printk+0x10/0x10 [ 609.141578][ T8575] ? kobject_uevent_env+0x36e/0x8c0 [ 609.141607][ T8575] gfs2_withdraw+0xb30/0x1430 [ 609.141645][ T8575] ? __pfx_gfs2_withdraw+0x10/0x10 [ 609.141670][ T8575] ? __pfx__printk+0x10/0x10 [ 609.141694][ T8575] ? gfs2_consist_inode_i+0xf5/0x110 [ 609.141720][ T8575] gfs2_dirent_scan+0x545/0x690 [ 609.141744][ T8575] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 609.141766][ T8575] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 609.141787][ T8575] gfs2_dirent_search+0x2e0/0x7e0 [ 609.141818][ T8575] ? gfs2_permission+0x370/0x440 [ 609.141841][ T8575] ? __pfx___might_resched+0x10/0x10 [ 609.141861][ T8575] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 609.141882][ T8575] ? __pfx_gfs2_permission+0x10/0x10 [ 609.141914][ T8575] gfs2_dir_search+0x4c/0x220 [ 609.141941][ T8575] gfs2_lookupi+0x3dc/0x5a0 [ 609.141970][ T8575] ? __pfx_gfs2_lookupi+0x10/0x10 [ 609.141990][ T8575] ? d_alloc_parallel+0x14c5/0x1600 [ 609.142013][ T8575] ? __gfs2_lookup+0x8f/0x270 [ 609.142041][ T8575] ? d_alloc_parallel+0x2f0/0x1600 [ 609.142062][ T8575] __gfs2_lookup+0x8f/0x270 [ 609.142088][ T8575] ? __pfx___gfs2_lookup+0x10/0x10 [ 609.142117][ T8575] ? __rt_spin_lock_init+0x3e/0x50 [ 609.142137][ T8575] ? __init_waitqueue_head+0xae/0x160 [ 609.142164][ T8575] __lookup_slow+0x29a/0x3d0 [ 609.142185][ T8575] ? __pfx___lookup_slow+0x10/0x10 [ 609.142218][ T8575] ? down_read+0x181/0x1f0 [ 609.142236][ T8575] ? __pfx_down_read+0x10/0x10 [ 609.142251][ T8575] ? gfs2_dhash+0x59/0xb0 [ 609.142274][ T8575] ? lookup_fast+0x192/0x5b0 [ 609.142295][ T8575] lookup_slow+0x53/0x70 [ 609.142314][ T8575] walk_component+0x2d2/0x400 [ 609.142328][ T8575] ? path_lookupat+0x156/0x430 [ 609.142345][ T8575] path_lookupat+0x163/0x430 [ 609.142369][ T8575] filename_lookup+0x212/0x570 [ 609.142384][ T8575] ? __x64_sys_newstat+0xcc/0x170 [ 609.142400][ T8575] ? do_syscall_64+0xfa/0x3b0 [ 609.142422][ T8575] ? __pfx_filename_lookup+0x10/0x10 [ 609.142464][ T8575] ? __might_fault+0xb0/0x130 [ 609.142498][ T8575] vfs_statx+0xf8/0x550 [ 609.142527][ T8575] ? __pfx_vfs_statx+0x10/0x10 [ 609.142554][ T8575] ? getname_flags+0x1e5/0x540 [ 609.142581][ T8575] __x64_sys_newstat+0xea/0x170 [ 609.142598][ T8575] ? __pfx___x64_sys_newstat+0x10/0x10 [ 609.142614][ T8575] ? rcu_is_watching+0x15/0xb0 [ 609.142657][ T8575] ? rcu_is_watching+0x15/0xb0 [ 609.142687][ T8575] ? do_syscall_64+0xbe/0x3b0 [ 609.142708][ T8575] do_syscall_64+0xfa/0x3b0 [ 609.142723][ T8575] ? lockdep_hardirqs_on+0x9c/0x150 [ 609.142747][ T8575] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 609.142765][ T8575] ? clear_bhb_loop+0x60/0xb0 [ 609.142787][ T8575] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 609.142811][ T8575] RIP: 0033:0x7f63069e67b9 [ 609.142827][ T8575] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 609.142843][ T8575] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 609.142862][ T8575] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 609.142876][ T8575] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 609.142889][ T8575] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 609.142901][ T8575] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 609.142912][ T8575] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 609.142943][ T8575] executing program [ 610.023497][ T8579] loop0: detected capacity change from 0 to 32768 [ 610.052573][ T8579] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 610.052593][ T8579] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 610.084212][ T8579] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 610.091706][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 610.091728][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 610.189570][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 97ms [ 610.189888][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 610.190800][ T8579] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 610.209119][ T8579] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 610.209140][ T8579] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 610.209166][ T8579] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 610.209194][ T8579] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8579 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 610.209231][ T8579] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 610.209252][ T8579] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 610.209267][ T8579] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 610.209277][ T8579] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 610.209537][ T8579] gfs2: fsid=syz:syz.0: File system withdrawn [ 610.209553][ T8579] CPU: 0 UID: 0 PID: 8579 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 610.209574][ T8579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 610.209585][ T8579] Call Trace: [ 610.209593][ T8579] [ 610.209600][ T8579] dump_stack_lvl+0x189/0x250 [ 610.209629][ T8579] ? kobject_uevent_env+0x36e/0x8c0 [ 610.209653][ T8579] ? __pfx_dump_stack_lvl+0x10/0x10 [ 610.209675][ T8579] ? __pfx__printk+0x10/0x10 [ 610.209695][ T8579] ? kobject_uevent_env+0x36e/0x8c0 [ 610.209724][ T8579] gfs2_withdraw+0xb30/0x1430 [ 610.209761][ T8579] ? __pfx_gfs2_withdraw+0x10/0x10 [ 610.209785][ T8579] ? __pfx__printk+0x10/0x10 [ 610.209810][ T8579] ? gfs2_consist_inode_i+0xf5/0x110 [ 610.209835][ T8579] gfs2_dirent_scan+0x545/0x690 [ 610.209859][ T8579] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 610.209881][ T8579] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 610.209903][ T8579] gfs2_dirent_search+0x2e0/0x7e0 [ 610.209927][ T8579] ? gfs2_permission+0x370/0x440 [ 610.209949][ T8579] ? __pfx___might_resched+0x10/0x10 [ 610.209969][ T8579] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 610.209990][ T8579] ? __pfx_gfs2_permission+0x10/0x10 [ 610.210022][ T8579] gfs2_dir_search+0x4c/0x220 [ 610.210048][ T8579] gfs2_lookupi+0x3dc/0x5a0 [ 610.210076][ T8579] ? __pfx_gfs2_lookupi+0x10/0x10 [ 610.210097][ T8579] ? d_alloc_parallel+0x14c5/0x1600 [ 610.210119][ T8579] ? __gfs2_lookup+0x8f/0x270 [ 610.210147][ T8579] ? d_alloc_parallel+0x2f0/0x1600 [ 610.210168][ T8579] __gfs2_lookup+0x8f/0x270 [ 610.210195][ T8579] ? __pfx___gfs2_lookup+0x10/0x10 [ 610.210224][ T8579] ? __rt_spin_lock_init+0x3e/0x50 [ 610.210244][ T8579] ? __init_waitqueue_head+0xae/0x160 [ 610.210270][ T8579] __lookup_slow+0x29a/0x3d0 [ 610.210291][ T8579] ? __pfx___lookup_slow+0x10/0x10 [ 610.210323][ T8579] ? down_read+0x181/0x1f0 [ 610.210340][ T8579] ? __pfx_down_read+0x10/0x10 [ 610.210361][ T8579] ? gfs2_dhash+0x59/0xb0 [ 610.210384][ T8579] ? lookup_fast+0x192/0x5b0 [ 610.210406][ T8579] lookup_slow+0x53/0x70 [ 610.210425][ T8579] walk_component+0x2d2/0x400 [ 610.210439][ T8579] ? path_lookupat+0x156/0x430 [ 610.210460][ T8579] path_lookupat+0x163/0x430 [ 610.210484][ T8579] filename_lookup+0x212/0x570 [ 610.210500][ T8579] ? __x64_sys_newstat+0xcc/0x170 [ 610.210516][ T8579] ? do_syscall_64+0xfa/0x3b0 [ 610.210538][ T8579] ? __pfx_filename_lookup+0x10/0x10 [ 610.210580][ T8579] ? __might_fault+0xb0/0x130 [ 610.210614][ T8579] vfs_statx+0xf8/0x550 [ 610.210643][ T8579] ? __pfx_vfs_statx+0x10/0x10 [ 610.210670][ T8579] ? getname_flags+0x1e5/0x540 [ 610.210698][ T8579] __x64_sys_newstat+0xea/0x170 [ 610.210715][ T8579] ? __pfx___x64_sys_newstat+0x10/0x10 [ 610.210731][ T8579] ? rcu_is_watching+0x15/0xb0 [ 610.210774][ T8579] ? rcu_is_watching+0x15/0xb0 [ 610.210802][ T8579] ? do_syscall_64+0xbe/0x3b0 [ 610.210823][ T8579] do_syscall_64+0xfa/0x3b0 [ 610.210839][ T8579] ? lockdep_hardirqs_on+0x9c/0x150 [ 610.210863][ T8579] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 610.210880][ T8579] ? clear_bhb_loop+0x60/0xb0 [ 610.210902][ T8579] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 610.210919][ T8579] RIP: 0033:0x7f63069e67b9 [ 610.210935][ T8579] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 610.210950][ T8579] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 executing program [ 610.210971][ T8579] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 610.210985][ T8579] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 610.210997][ T8579] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 610.211009][ T8579] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 610.211021][ T8579] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 610.211051][ T8579] [ 610.963721][ T8583] loop0: detected capacity change from 0 to 32768 [ 610.997990][ T8583] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 610.998009][ T8583] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 611.023032][ T8583] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 611.031162][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 611.031183][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 611.136830][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 105ms [ 611.137086][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 611.137862][ T8583] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 611.159270][ T8583] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 611.159300][ T8583] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 611.159329][ T8583] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 611.159358][ T8583] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8583 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 611.159396][ T8583] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 611.159417][ T8583] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 611.159432][ T8583] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 611.159442][ T8583] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 611.159689][ T8583] gfs2: fsid=syz:syz.0: File system withdrawn [ 611.159705][ T8583] CPU: 0 UID: 0 PID: 8583 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 611.159725][ T8583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 611.159736][ T8583] Call Trace: [ 611.159743][ T8583] [ 611.159751][ T8583] dump_stack_lvl+0x189/0x250 [ 611.159776][ T8583] ? kobject_uevent_env+0x36e/0x8c0 [ 611.159800][ T8583] ? __pfx_dump_stack_lvl+0x10/0x10 [ 611.159824][ T8583] ? __pfx__printk+0x10/0x10 [ 611.159845][ T8583] ? kobject_uevent_env+0x36e/0x8c0 [ 611.159875][ T8583] gfs2_withdraw+0xb30/0x1430 [ 611.159912][ T8583] ? __pfx_gfs2_withdraw+0x10/0x10 [ 611.159937][ T8583] ? __pfx__printk+0x10/0x10 [ 611.159963][ T8583] ? gfs2_consist_inode_i+0xf5/0x110 [ 611.159988][ T8583] gfs2_dirent_scan+0x545/0x690 [ 611.160014][ T8583] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 611.160037][ T8583] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 611.160059][ T8583] gfs2_dirent_search+0x2e0/0x7e0 [ 611.160089][ T8583] ? gfs2_permission+0x370/0x440 [ 611.160111][ T8583] ? __pfx___might_resched+0x10/0x10 [ 611.160131][ T8583] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 611.160153][ T8583] ? __pfx_gfs2_permission+0x10/0x10 [ 611.160184][ T8583] gfs2_dir_search+0x4c/0x220 [ 611.160212][ T8583] gfs2_lookupi+0x3dc/0x5a0 [ 611.160241][ T8583] ? __pfx_gfs2_lookupi+0x10/0x10 [ 611.160261][ T8583] ? d_alloc_parallel+0x14c5/0x1600 [ 611.160292][ T8583] ? __gfs2_lookup+0x8f/0x270 [ 611.160322][ T8583] ? d_alloc_parallel+0x2f0/0x1600 [ 611.160344][ T8583] __gfs2_lookup+0x8f/0x270 [ 611.160370][ T8583] ? __pfx___gfs2_lookup+0x10/0x10 [ 611.160400][ T8583] ? __rt_spin_lock_init+0x3e/0x50 [ 611.160421][ T8583] ? __init_waitqueue_head+0xae/0x160 [ 611.160449][ T8583] __lookup_slow+0x29a/0x3d0 [ 611.160471][ T8583] ? __pfx___lookup_slow+0x10/0x10 [ 611.160505][ T8583] ? down_read+0x181/0x1f0 [ 611.160523][ T8583] ? __pfx_down_read+0x10/0x10 [ 611.160539][ T8583] ? gfs2_dhash+0x59/0xb0 [ 611.160562][ T8583] ? lookup_fast+0x192/0x5b0 [ 611.160583][ T8583] lookup_slow+0x53/0x70 [ 611.160603][ T8583] walk_component+0x2d2/0x400 [ 611.160618][ T8583] ? path_lookupat+0x156/0x430 [ 611.160638][ T8583] path_lookupat+0x163/0x430 [ 611.160664][ T8583] filename_lookup+0x212/0x570 [ 611.160680][ T8583] ? __x64_sys_newstat+0xcc/0x170 [ 611.160697][ T8583] ? do_syscall_64+0xfa/0x3b0 [ 611.160720][ T8583] ? __pfx_filename_lookup+0x10/0x10 [ 611.160765][ T8583] ? __might_fault+0xb0/0x130 [ 611.160801][ T8583] vfs_statx+0xf8/0x550 [ 611.160830][ T8583] ? __pfx_vfs_statx+0x10/0x10 [ 611.160857][ T8583] ? getname_flags+0x1e5/0x540 [ 611.160884][ T8583] __x64_sys_newstat+0xea/0x170 [ 611.160902][ T8583] ? __pfx___x64_sys_newstat+0x10/0x10 [ 611.160919][ T8583] ? rcu_is_watching+0x15/0xb0 [ 611.160964][ T8583] ? rcu_is_watching+0x15/0xb0 [ 611.160993][ T8583] ? do_syscall_64+0xbe/0x3b0 [ 611.161015][ T8583] do_syscall_64+0xfa/0x3b0 [ 611.161031][ T8583] ? lockdep_hardirqs_on+0x9c/0x150 [ 611.161056][ T8583] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 611.161073][ T8583] ? clear_bhb_loop+0x60/0xb0 [ 611.161094][ T8583] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 611.161112][ T8583] RIP: 0033:0x7f63069e67b9 [ 611.161129][ T8583] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 611.161145][ T8583] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 611.161165][ T8583] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 611.161180][ T8583] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 611.161193][ T8583] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 611.161205][ T8583] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 611.161218][ T8583] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 611.161249][ T8583] executing program [ 611.993668][ T8587] loop0: detected capacity change from 0 to 32768 [ 612.008589][ T8587] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 612.008609][ T8587] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 612.024055][ T8587] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 612.033649][ T5868] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 612.033669][ T5868] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 612.133601][ T5868] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 99ms [ 612.133866][ T5868] gfs2: fsid=syz:syz.0: jid=0: Done [ 612.133949][ T8587] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 612.148006][ T8587] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 612.148026][ T8587] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 612.148053][ T8587] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 612.148082][ T8587] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8587 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 612.148120][ T8587] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 612.148140][ T8587] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 612.148153][ T8587] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 612.148164][ T8587] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 612.148436][ T8587] gfs2: fsid=syz:syz.0: File system withdrawn [ 612.148452][ T8587] CPU: 1 UID: 0 PID: 8587 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 612.148472][ T8587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 612.148484][ T8587] Call Trace: [ 612.148491][ T8587] [ 612.148499][ T8587] dump_stack_lvl+0x189/0x250 [ 612.148524][ T8587] ? kobject_uevent_env+0x36e/0x8c0 [ 612.148547][ T8587] ? __pfx_dump_stack_lvl+0x10/0x10 [ 612.148570][ T8587] ? __pfx__printk+0x10/0x10 [ 612.148590][ T8587] ? kobject_uevent_env+0x36e/0x8c0 [ 612.148620][ T8587] gfs2_withdraw+0xb30/0x1430 [ 612.148657][ T8587] ? __pfx_gfs2_withdraw+0x10/0x10 [ 612.148681][ T8587] ? __pfx__printk+0x10/0x10 [ 612.148706][ T8587] ? gfs2_consist_inode_i+0xf5/0x110 [ 612.148731][ T8587] gfs2_dirent_scan+0x545/0x690 [ 612.148755][ T8587] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 612.148777][ T8587] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 612.148798][ T8587] gfs2_dirent_search+0x2e0/0x7e0 [ 612.148823][ T8587] ? gfs2_permission+0x370/0x440 [ 612.148844][ T8587] ? __pfx___might_resched+0x10/0x10 [ 612.148865][ T8587] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 612.148886][ T8587] ? __pfx_gfs2_permission+0x10/0x10 [ 612.148919][ T8587] gfs2_dir_search+0x4c/0x220 [ 612.148944][ T8587] gfs2_lookupi+0x3dc/0x5a0 [ 612.148977][ T8587] ? __pfx_gfs2_lookupi+0x10/0x10 [ 612.148998][ T8587] ? d_alloc_parallel+0x14c5/0x1600 [ 612.149020][ T8587] ? __gfs2_lookup+0x8f/0x270 [ 612.149048][ T8587] ? d_alloc_parallel+0x2f0/0x1600 [ 612.149069][ T8587] __gfs2_lookup+0x8f/0x270 [ 612.149106][ T8587] ? __pfx___gfs2_lookup+0x10/0x10 [ 612.149135][ T8587] ? __rt_spin_lock_init+0x3e/0x50 [ 612.149155][ T8587] ? __init_waitqueue_head+0xae/0x160 [ 612.149182][ T8587] __lookup_slow+0x29a/0x3d0 [ 612.149203][ T8587] ? __pfx___lookup_slow+0x10/0x10 [ 612.149234][ T8587] ? down_read+0x181/0x1f0 [ 612.149259][ T8587] ? __pfx_down_read+0x10/0x10 [ 612.149275][ T8587] ? gfs2_dhash+0x59/0xb0 [ 612.149297][ T8587] ? lookup_fast+0x192/0x5b0 [ 612.149318][ T8587] lookup_slow+0x53/0x70 [ 612.149338][ T8587] walk_component+0x2d2/0x400 [ 612.149353][ T8587] ? path_lookupat+0x156/0x430 [ 612.149373][ T8587] path_lookupat+0x163/0x430 [ 612.149398][ T8587] filename_lookup+0x212/0x570 [ 612.149413][ T8587] ? __x64_sys_newstat+0xcc/0x170 [ 612.149429][ T8587] ? do_syscall_64+0xfa/0x3b0 [ 612.149451][ T8587] ? __pfx_filename_lookup+0x10/0x10 [ 612.149494][ T8587] ? __might_fault+0xb0/0x130 [ 612.149526][ T8587] vfs_statx+0xf8/0x550 [ 612.149556][ T8587] ? __pfx_vfs_statx+0x10/0x10 [ 612.149583][ T8587] ? getname_flags+0x1e5/0x540 [ 612.149611][ T8587] __x64_sys_newstat+0xea/0x170 [ 612.149628][ T8587] ? __pfx___x64_sys_newstat+0x10/0x10 [ 612.149644][ T8587] ? rcu_is_watching+0x15/0xb0 [ 612.149688][ T8587] ? rcu_is_watching+0x15/0xb0 [ 612.149716][ T8587] ? do_syscall_64+0xbe/0x3b0 [ 612.149737][ T8587] do_syscall_64+0xfa/0x3b0 [ 612.149753][ T8587] ? lockdep_hardirqs_on+0x9c/0x150 [ 612.149778][ T8587] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 612.149799][ T8587] ? clear_bhb_loop+0x60/0xb0 [ 612.149820][ T8587] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 612.149837][ T8587] RIP: 0033:0x7f63069e67b9 [ 612.149854][ T8587] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 612.149869][ T8587] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 612.149890][ T8587] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 612.149904][ T8587] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 612.149916][ T8587] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 612.149928][ T8587] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 612.149940][ T8587] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 612.149970][ T8587] executing program [ 612.970825][ T8591] loop0: detected capacity change from 0 to 32768 [ 612.992617][ T8591] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 612.992636][ T8591] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 613.017037][ T8591] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 613.021063][ T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 613.021084][ T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 613.133674][ T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 112ms [ 613.143573][ T10] gfs2: fsid=syz:syz.0: jid=0: Done [ 613.145359][ T8591] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 613.160456][ T8591] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 613.160476][ T8591] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 613.160502][ T8591] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 613.160529][ T8591] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8591 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 613.160564][ T8591] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 613.160582][ T8591] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 613.160597][ T8591] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 613.160607][ T8591] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 613.160858][ T8591] gfs2: fsid=syz:syz.0: File system withdrawn [ 613.160874][ T8591] CPU: 1 UID: 0 PID: 8591 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 613.160896][ T8591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 613.160908][ T8591] Call Trace: [ 613.160916][ T8591] [ 613.160924][ T8591] dump_stack_lvl+0x189/0x250 [ 613.160949][ T8591] ? kobject_uevent_env+0x36e/0x8c0 [ 613.160973][ T8591] ? __pfx_dump_stack_lvl+0x10/0x10 [ 613.160997][ T8591] ? __pfx__printk+0x10/0x10 [ 613.161017][ T8591] ? kobject_uevent_env+0x36e/0x8c0 [ 613.161046][ T8591] gfs2_withdraw+0xb30/0x1430 [ 613.161082][ T8591] ? __pfx_gfs2_withdraw+0x10/0x10 [ 613.161107][ T8591] ? __pfx__printk+0x10/0x10 [ 613.161133][ T8591] ? gfs2_consist_inode_i+0xf5/0x110 [ 613.161159][ T8591] gfs2_dirent_scan+0x545/0x690 [ 613.161189][ T8591] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 613.161212][ T8591] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 613.161234][ T8591] gfs2_dirent_search+0x2e0/0x7e0 [ 613.161258][ T8591] ? gfs2_permission+0x370/0x440 [ 613.161281][ T8591] ? __pfx___might_resched+0x10/0x10 [ 613.161301][ T8591] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 613.161322][ T8591] ? __pfx_gfs2_permission+0x10/0x10 [ 613.161363][ T8591] gfs2_dir_search+0x4c/0x220 [ 613.161390][ T8591] gfs2_lookupi+0x3dc/0x5a0 [ 613.161419][ T8591] ? __pfx_gfs2_lookupi+0x10/0x10 [ 613.161440][ T8591] ? d_alloc_parallel+0x14c5/0x1600 [ 613.161463][ T8591] ? __gfs2_lookup+0x8f/0x270 [ 613.161492][ T8591] ? d_alloc_parallel+0x2f0/0x1600 [ 613.161513][ T8591] __gfs2_lookup+0x8f/0x270 [ 613.161557][ T8591] ? __pfx___gfs2_lookup+0x10/0x10 [ 613.161587][ T8591] ? __rt_spin_lock_init+0x3e/0x50 [ 613.161609][ T8591] ? __init_waitqueue_head+0xae/0x160 [ 613.161636][ T8591] __lookup_slow+0x29a/0x3d0 [ 613.161658][ T8591] ? __pfx___lookup_slow+0x10/0x10 [ 613.161691][ T8591] ? down_read+0x181/0x1f0 [ 613.161709][ T8591] ? __pfx_down_read+0x10/0x10 [ 613.161725][ T8591] ? gfs2_dhash+0x59/0xb0 [ 613.161748][ T8591] ? lookup_fast+0x192/0x5b0 [ 613.161771][ T8591] lookup_slow+0x53/0x70 [ 613.161791][ T8591] walk_component+0x2d2/0x400 [ 613.161807][ T8591] ? path_lookupat+0x156/0x430 [ 613.161828][ T8591] path_lookupat+0x163/0x430 [ 613.161854][ T8591] filename_lookup+0x212/0x570 [ 613.161871][ T8591] ? __x64_sys_newstat+0xcc/0x170 [ 613.161888][ T8591] ? do_syscall_64+0xfa/0x3b0 [ 613.161911][ T8591] ? __pfx_filename_lookup+0x10/0x10 [ 613.161954][ T8591] ? __might_fault+0xb0/0x130 [ 613.161990][ T8591] vfs_statx+0xf8/0x550 [ 613.162020][ T8591] ? __pfx_vfs_statx+0x10/0x10 [ 613.162048][ T8591] ? getname_flags+0x1e5/0x540 [ 613.162076][ T8591] __x64_sys_newstat+0xea/0x170 [ 613.162094][ T8591] ? __pfx___x64_sys_newstat+0x10/0x10 [ 613.162111][ T8591] ? rcu_is_watching+0x15/0xb0 [ 613.162154][ T8591] ? rcu_is_watching+0x15/0xb0 [ 613.162184][ T8591] ? do_syscall_64+0xbe/0x3b0 [ 613.162205][ T8591] do_syscall_64+0xfa/0x3b0 [ 613.162222][ T8591] ? lockdep_hardirqs_on+0x9c/0x150 executing program [ 613.162247][ T8591] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 613.162266][ T8591] ? clear_bhb_loop+0x60/0xb0 [ 613.162289][ T8591] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 613.162307][ T8591] RIP: 0033:0x7f63069e67b9 [ 613.162330][ T8591] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 613.162346][ T8591] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 613.162367][ T8591] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 613.162381][ T8591] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 613.162393][ T8591] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 613.162405][ T8591] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 613.162417][ T8591] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 613.162449][ T8591] [ 613.875166][ T8595] loop0: detected capacity change from 0 to 32768 [ 613.907082][ T8595] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 613.907100][ T8595] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 613.939228][ T8595] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 613.941651][ T995] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 613.941669][ T995] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 614.040436][ T995] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 98ms [ 614.040731][ T995] gfs2: fsid=syz:syz.0: jid=0: Done [ 614.040774][ T8595] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 614.078440][ T8595] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 614.078462][ T8595] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 614.078491][ T8595] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 614.078519][ T8595] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8595 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 614.078557][ T8595] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 614.078579][ T8595] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 614.078594][ T8595] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 614.078606][ T8595] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 614.078863][ T8595] gfs2: fsid=syz:syz.0: File system withdrawn [ 614.078879][ T8595] CPU: 0 UID: 0 PID: 8595 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 614.078900][ T8595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 614.078911][ T8595] Call Trace: [ 614.078919][ T8595] [ 614.078927][ T8595] dump_stack_lvl+0x189/0x250 [ 614.078951][ T8595] ? kobject_uevent_env+0x36e/0x8c0 [ 614.078981][ T8595] ? __pfx_dump_stack_lvl+0x10/0x10 [ 614.079004][ T8595] ? __pfx__printk+0x10/0x10 [ 614.079024][ T8595] ? kobject_uevent_env+0x36e/0x8c0 [ 614.079054][ T8595] gfs2_withdraw+0xb30/0x1430 [ 614.079091][ T8595] ? __pfx_gfs2_withdraw+0x10/0x10 [ 614.079114][ T8595] ? __pfx__printk+0x10/0x10 [ 614.079138][ T8595] ? gfs2_consist_inode_i+0xf5/0x110 [ 614.079161][ T8595] gfs2_dirent_scan+0x545/0x690 [ 614.079185][ T8595] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 614.079206][ T8595] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 614.079228][ T8595] gfs2_dirent_search+0x2e0/0x7e0 [ 614.079254][ T8595] ? gfs2_permission+0x370/0x440 [ 614.079274][ T8595] ? __pfx___might_resched+0x10/0x10 [ 614.079294][ T8595] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 614.079360][ T8595] ? __pfx_gfs2_permission+0x10/0x10 [ 614.079392][ T8595] gfs2_dir_search+0x4c/0x220 [ 614.079418][ T8595] gfs2_lookupi+0x3dc/0x5a0 [ 614.079446][ T8595] ? __pfx_gfs2_lookupi+0x10/0x10 [ 614.079466][ T8595] ? d_alloc_parallel+0x14c5/0x1600 [ 614.079489][ T8595] ? __gfs2_lookup+0x8f/0x270 [ 614.079518][ T8595] ? d_alloc_parallel+0x2f0/0x1600 [ 614.079540][ T8595] __gfs2_lookup+0x8f/0x270 [ 614.079565][ T8595] ? __pfx___gfs2_lookup+0x10/0x10 [ 614.079593][ T8595] ? __rt_spin_lock_init+0x3e/0x50 [ 614.079614][ T8595] ? __init_waitqueue_head+0xae/0x160 [ 614.079642][ T8595] __lookup_slow+0x29a/0x3d0 [ 614.079664][ T8595] ? __pfx___lookup_slow+0x10/0x10 [ 614.079704][ T8595] ? down_read+0x181/0x1f0 [ 614.079721][ T8595] ? __pfx_down_read+0x10/0x10 [ 614.079737][ T8595] ? gfs2_dhash+0x59/0xb0 [ 614.079760][ T8595] ? lookup_fast+0x192/0x5b0 [ 614.079782][ T8595] lookup_slow+0x53/0x70 [ 614.079799][ T8595] walk_component+0x2d2/0x400 [ 614.079813][ T8595] ? path_lookupat+0x156/0x430 [ 614.079831][ T8595] path_lookupat+0x163/0x430 [ 614.079855][ T8595] filename_lookup+0x212/0x570 [ 614.079869][ T8595] ? __x64_sys_newstat+0xcc/0x170 [ 614.079883][ T8595] ? do_syscall_64+0xfa/0x3b0 [ 614.079904][ T8595] ? __pfx_filename_lookup+0x10/0x10 [ 614.079947][ T8595] ? __might_fault+0xb0/0x130 [ 614.079982][ T8595] vfs_statx+0xf8/0x550 [ 614.080012][ T8595] ? __pfx_vfs_statx+0x10/0x10 [ 614.080040][ T8595] ? getname_flags+0x1e5/0x540 [ 614.080067][ T8595] __x64_sys_newstat+0xea/0x170 [ 614.080081][ T8595] ? __pfx___x64_sys_newstat+0x10/0x10 [ 614.080093][ T8595] ? rcu_is_watching+0x15/0xb0 [ 614.080129][ T8595] ? rcu_is_watching+0x15/0xb0 [ 614.080157][ T8595] ? do_syscall_64+0xbe/0x3b0 [ 614.080178][ T8595] do_syscall_64+0xfa/0x3b0 [ 614.080194][ T8595] ? lockdep_hardirqs_on+0x9c/0x150 [ 614.080219][ T8595] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 614.080236][ T8595] ? clear_bhb_loop+0x60/0xb0 [ 614.080259][ T8595] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 614.080277][ T8595] RIP: 0033:0x7f63069e67b9 [ 614.080294][ T8595] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 executing program [ 614.080318][ T8595] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 614.080337][ T8595] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 614.080352][ T8595] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 614.080364][ T8595] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 614.080377][ T8595] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 614.080389][ T8595] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 614.080421][ T8595] [ 614.815885][ T8599] loop0: detected capacity change from 0 to 32768 [ 614.840333][ T8599] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 614.840351][ T8599] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 614.853102][ T8599] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 614.860415][ T5868] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 614.860432][ T5868] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 614.956807][ T5868] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 96ms [ 614.957987][ T5868] gfs2: fsid=syz:syz.0: jid=0: Done [ 614.958034][ T8599] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 614.989201][ T8599] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 614.989222][ T8599] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 614.989249][ T8599] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 614.989277][ T8599] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8599 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 614.989313][ T8599] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 614.989334][ T8599] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 614.989348][ T8599] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 614.989360][ T8599] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 614.990170][ T8599] gfs2: fsid=syz:syz.0: File system withdrawn [ 614.990189][ T8599] CPU: 0 UID: 0 PID: 8599 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 614.990210][ T8599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 614.990222][ T8599] Call Trace: [ 614.990229][ T8599] [ 614.990237][ T8599] dump_stack_lvl+0x189/0x250 [ 614.990263][ T8599] ? kobject_uevent_env+0x36e/0x8c0 [ 614.990287][ T8599] ? __pfx_dump_stack_lvl+0x10/0x10 [ 614.990309][ T8599] ? __pfx__printk+0x10/0x10 [ 614.990329][ T8599] ? kobject_uevent_env+0x36e/0x8c0 [ 614.990358][ T8599] gfs2_withdraw+0xb30/0x1430 [ 614.990397][ T8599] ? __pfx_gfs2_withdraw+0x10/0x10 [ 614.990422][ T8599] ? __pfx__printk+0x10/0x10 [ 614.990448][ T8599] ? gfs2_consist_inode_i+0xf5/0x110 [ 614.990474][ T8599] gfs2_dirent_scan+0x545/0x690 [ 614.990498][ T8599] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 614.990521][ T8599] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 614.990542][ T8599] gfs2_dirent_search+0x2e0/0x7e0 [ 614.990566][ T8599] ? gfs2_permission+0x370/0x440 [ 614.990589][ T8599] ? __pfx___might_resched+0x10/0x10 [ 614.990609][ T8599] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 614.990630][ T8599] ? __pfx_gfs2_permission+0x10/0x10 [ 614.990663][ T8599] gfs2_dir_search+0x4c/0x220 [ 614.990690][ T8599] gfs2_lookupi+0x3dc/0x5a0 [ 614.990718][ T8599] ? __pfx_gfs2_lookupi+0x10/0x10 [ 614.990737][ T8599] ? d_alloc_parallel+0x14c5/0x1600 [ 614.990761][ T8599] ? __gfs2_lookup+0x8f/0x270 [ 614.990795][ T8599] ? d_alloc_parallel+0x2f0/0x1600 [ 614.990818][ T8599] __gfs2_lookup+0x8f/0x270 [ 614.990845][ T8599] ? __pfx___gfs2_lookup+0x10/0x10 [ 614.990875][ T8599] ? __rt_spin_lock_init+0x3e/0x50 [ 614.990895][ T8599] ? __init_waitqueue_head+0xae/0x160 [ 614.990928][ T8599] __lookup_slow+0x29a/0x3d0 [ 614.990951][ T8599] ? __pfx___lookup_slow+0x10/0x10 [ 614.990981][ T8599] ? down_read+0x181/0x1f0 [ 614.990999][ T8599] ? __pfx_down_read+0x10/0x10 [ 614.991013][ T8599] ? gfs2_dhash+0x59/0xb0 [ 614.991035][ T8599] ? lookup_fast+0x192/0x5b0 [ 614.991056][ T8599] lookup_slow+0x53/0x70 [ 614.991076][ T8599] walk_component+0x2d2/0x400 [ 614.991091][ T8599] ? path_lookupat+0x156/0x430 [ 614.991111][ T8599] path_lookupat+0x163/0x430 [ 614.991136][ T8599] filename_lookup+0x212/0x570 [ 614.991153][ T8599] ? __x64_sys_newstat+0xcc/0x170 [ 614.991169][ T8599] ? do_syscall_64+0xfa/0x3b0 [ 614.991191][ T8599] ? __pfx_filename_lookup+0x10/0x10 [ 614.991234][ T8599] ? __might_fault+0xb0/0x130 [ 614.991269][ T8599] vfs_statx+0xf8/0x550 [ 614.991298][ T8599] ? __pfx_vfs_statx+0x10/0x10 [ 614.991325][ T8599] ? getname_flags+0x1e5/0x540 [ 614.991353][ T8599] __x64_sys_newstat+0xea/0x170 [ 614.991371][ T8599] ? __pfx___x64_sys_newstat+0x10/0x10 [ 614.991387][ T8599] ? rcu_is_watching+0x15/0xb0 [ 614.991429][ T8599] ? rcu_is_watching+0x15/0xb0 [ 614.991458][ T8599] ? do_syscall_64+0xbe/0x3b0 [ 614.991479][ T8599] do_syscall_64+0xfa/0x3b0 [ 614.991496][ T8599] ? lockdep_hardirqs_on+0x9c/0x150 [ 614.991521][ T8599] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 614.991540][ T8599] ? clear_bhb_loop+0x60/0xb0 [ 614.991562][ T8599] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 614.991580][ T8599] RIP: 0033:0x7f63069e67b9 [ 614.991597][ T8599] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 executing program [ 614.991612][ T8599] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 614.991632][ T8599] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 614.991647][ T8599] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 614.991660][ T8599] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 614.991671][ T8599] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 614.991682][ T8599] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 614.991712][ T8599] [ 615.766675][ T8603] loop0: detected capacity change from 0 to 32768 [ 615.785962][ T8603] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 615.785982][ T8603] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 615.801247][ T8603] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 615.803436][ T5868] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 615.803451][ T5868] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 615.897512][ T5868] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 94ms [ 615.900663][ T5868] gfs2: fsid=syz:syz.0: jid=0: Done [ 615.900752][ T8603] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 615.918405][ T8603] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 615.918425][ T8603] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 615.918453][ T8603] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 615.918482][ T8603] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8603 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 615.918519][ T8603] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 615.918540][ T8603] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 615.918555][ T8603] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 615.918565][ T8603] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 615.918836][ T8603] gfs2: fsid=syz:syz.0: File system withdrawn [ 615.918852][ T8603] CPU: 1 UID: 0 PID: 8603 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 615.918872][ T8603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 615.918884][ T8603] Call Trace: [ 615.918891][ T8603] [ 615.918899][ T8603] dump_stack_lvl+0x189/0x250 [ 615.918924][ T8603] ? kobject_uevent_env+0x36e/0x8c0 [ 615.918947][ T8603] ? __pfx_dump_stack_lvl+0x10/0x10 [ 615.918970][ T8603] ? __pfx__printk+0x10/0x10 [ 615.918991][ T8603] ? kobject_uevent_env+0x36e/0x8c0 [ 615.919019][ T8603] gfs2_withdraw+0xb30/0x1430 [ 615.919056][ T8603] ? __pfx_gfs2_withdraw+0x10/0x10 [ 615.919082][ T8603] ? __pfx__printk+0x10/0x10 [ 615.919106][ T8603] ? gfs2_consist_inode_i+0xf5/0x110 [ 615.919131][ T8603] gfs2_dirent_scan+0x545/0x690 [ 615.919156][ T8603] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 615.919179][ T8603] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 615.919199][ T8603] gfs2_dirent_search+0x2e0/0x7e0 [ 615.919224][ T8603] ? gfs2_permission+0x370/0x440 [ 615.919247][ T8603] ? __pfx___might_resched+0x10/0x10 [ 615.919267][ T8603] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 615.919288][ T8603] ? __pfx_gfs2_permission+0x10/0x10 [ 615.919319][ T8603] gfs2_dir_search+0x4c/0x220 [ 615.919346][ T8603] gfs2_lookupi+0x3dc/0x5a0 [ 615.919374][ T8603] ? __pfx_gfs2_lookupi+0x10/0x10 [ 615.919394][ T8603] ? d_alloc_parallel+0x14c5/0x1600 [ 615.919417][ T8603] ? __gfs2_lookup+0x8f/0x270 [ 615.919449][ T8603] ? d_alloc_parallel+0x2f0/0x1600 [ 615.919470][ T8603] __gfs2_lookup+0x8f/0x270 [ 615.919496][ T8603] ? __pfx___gfs2_lookup+0x10/0x10 [ 615.919525][ T8603] ? __rt_spin_lock_init+0x3e/0x50 [ 615.919546][ T8603] ? __init_waitqueue_head+0xae/0x160 [ 615.919572][ T8603] __lookup_slow+0x29a/0x3d0 [ 615.919593][ T8603] ? __pfx___lookup_slow+0x10/0x10 [ 615.919625][ T8603] ? down_read+0x181/0x1f0 [ 615.919642][ T8603] ? __pfx_down_read+0x10/0x10 [ 615.919657][ T8603] ? gfs2_dhash+0x59/0xb0 [ 615.919679][ T8603] ? lookup_fast+0x192/0x5b0 [ 615.919701][ T8603] lookup_slow+0x53/0x70 [ 615.919720][ T8603] walk_component+0x2d2/0x400 [ 615.919735][ T8603] ? path_lookupat+0x156/0x430 [ 615.919755][ T8603] path_lookupat+0x163/0x430 [ 615.919779][ T8603] filename_lookup+0x212/0x570 [ 615.919801][ T8603] ? __x64_sys_newstat+0xcc/0x170 [ 615.919816][ T8603] ? do_syscall_64+0xfa/0x3b0 [ 615.919839][ T8603] ? __pfx_filename_lookup+0x10/0x10 [ 615.919881][ T8603] ? __might_fault+0xb0/0x130 [ 615.919915][ T8603] vfs_statx+0xf8/0x550 [ 615.919945][ T8603] ? __pfx_vfs_statx+0x10/0x10 [ 615.919971][ T8603] ? getname_flags+0x1e5/0x540 [ 615.919998][ T8603] __x64_sys_newstat+0xea/0x170 [ 615.920015][ T8603] ? __pfx___x64_sys_newstat+0x10/0x10 [ 615.920031][ T8603] ? rcu_is_watching+0x15/0xb0 [ 615.920073][ T8603] ? rcu_is_watching+0x15/0xb0 [ 615.920099][ T8603] ? do_syscall_64+0xbe/0x3b0 [ 615.920119][ T8603] do_syscall_64+0xfa/0x3b0 [ 615.920135][ T8603] ? lockdep_hardirqs_on+0x9c/0x150 [ 615.920160][ T8603] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 615.920177][ T8603] ? clear_bhb_loop+0x60/0xb0 [ 615.920198][ T8603] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 615.920215][ T8603] RIP: 0033:0x7f63069e67b9 [ 615.920232][ T8603] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 615.920247][ T8603] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 615.920267][ T8603] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 615.920281][ T8603] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 615.920293][ T8603] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 615.920305][ T8603] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 615.920316][ T8603] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 615.920346][ T8603] executing program [ 616.848783][ T8607] loop0: detected capacity change from 0 to 32768 [ 616.857600][ T8607] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 616.857616][ T8607] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 616.888595][ T8607] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 616.892635][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 616.892654][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 617.019348][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 126ms [ 617.019621][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 617.019667][ T8607] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 617.049453][ T8607] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 617.049475][ T8607] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 617.049504][ T8607] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 617.049533][ T8607] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8607 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 617.049570][ T8607] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 617.049591][ T8607] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 617.049607][ T8607] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 617.049620][ T8607] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 617.049896][ T8607] gfs2: fsid=syz:syz.0: File system withdrawn [ 617.049913][ T8607] CPU: 1 UID: 0 PID: 8607 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 617.049934][ T8607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 617.049945][ T8607] Call Trace: [ 617.049952][ T8607] [ 617.049960][ T8607] dump_stack_lvl+0x189/0x250 [ 617.049986][ T8607] ? kobject_uevent_env+0x36e/0x8c0 [ 617.050009][ T8607] ? __pfx_dump_stack_lvl+0x10/0x10 [ 617.050032][ T8607] ? __pfx__printk+0x10/0x10 [ 617.050051][ T8607] ? kobject_uevent_env+0x36e/0x8c0 [ 617.050079][ T8607] gfs2_withdraw+0xb30/0x1430 [ 617.050116][ T8607] ? __pfx_gfs2_withdraw+0x10/0x10 [ 617.050140][ T8607] ? __pfx__printk+0x10/0x10 [ 617.050167][ T8607] ? gfs2_consist_inode_i+0xf5/0x110 [ 617.050190][ T8607] gfs2_dirent_scan+0x545/0x690 [ 617.050214][ T8607] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 617.050236][ T8607] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 617.050257][ T8607] gfs2_dirent_search+0x2e0/0x7e0 [ 617.050280][ T8607] ? gfs2_permission+0x370/0x440 [ 617.050301][ T8607] ? __pfx___might_resched+0x10/0x10 [ 617.050322][ T8607] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 617.050348][ T8607] ? __pfx_gfs2_permission+0x10/0x10 [ 617.050380][ T8607] gfs2_dir_search+0x4c/0x220 [ 617.050405][ T8607] gfs2_lookupi+0x3dc/0x5a0 [ 617.050432][ T8607] ? __pfx_gfs2_lookupi+0x10/0x10 [ 617.050453][ T8607] ? d_alloc_parallel+0x14c5/0x1600 [ 617.050475][ T8607] ? __gfs2_lookup+0x8f/0x270 [ 617.050501][ T8607] ? d_alloc_parallel+0x2f0/0x1600 [ 617.050523][ T8607] __gfs2_lookup+0x8f/0x270 [ 617.050548][ T8607] ? __pfx___gfs2_lookup+0x10/0x10 [ 617.050576][ T8607] ? __rt_spin_lock_init+0x3e/0x50 [ 617.050595][ T8607] ? __init_waitqueue_head+0xae/0x160 [ 617.050621][ T8607] __lookup_slow+0x29a/0x3d0 [ 617.050642][ T8607] ? __pfx___lookup_slow+0x10/0x10 [ 617.050672][ T8607] ? down_read+0x181/0x1f0 [ 617.050690][ T8607] ? __pfx_down_read+0x10/0x10 [ 617.050706][ T8607] ? gfs2_dhash+0x59/0xb0 [ 617.050735][ T8607] ? lookup_fast+0x192/0x5b0 [ 617.050755][ T8607] lookup_slow+0x53/0x70 [ 617.050775][ T8607] walk_component+0x2d2/0x400 [ 617.050790][ T8607] ? path_lookupat+0x156/0x430 [ 617.050811][ T8607] path_lookupat+0x163/0x430 [ 617.050835][ T8607] filename_lookup+0x212/0x570 [ 617.050850][ T8607] ? __x64_sys_newstat+0xcc/0x170 [ 617.050867][ T8607] ? do_syscall_64+0xfa/0x3b0 [ 617.050890][ T8607] ? __pfx_filename_lookup+0x10/0x10 [ 617.050935][ T8607] ? __might_fault+0xb0/0x130 [ 617.050971][ T8607] vfs_statx+0xf8/0x550 [ 617.051001][ T8607] ? __pfx_vfs_statx+0x10/0x10 [ 617.051027][ T8607] ? getname_flags+0x1e5/0x540 [ 617.051055][ T8607] __x64_sys_newstat+0xea/0x170 [ 617.051072][ T8607] ? __pfx___x64_sys_newstat+0x10/0x10 [ 617.051088][ T8607] ? rcu_is_watching+0x15/0xb0 [ 617.051134][ T8607] ? rcu_is_watching+0x15/0xb0 [ 617.051163][ T8607] ? do_syscall_64+0xbe/0x3b0 [ 617.051185][ T8607] do_syscall_64+0xfa/0x3b0 executing program [ 617.051202][ T8607] ? lockdep_hardirqs_on+0x9c/0x150 [ 617.051226][ T8607] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 617.051244][ T8607] ? clear_bhb_loop+0x60/0xb0 [ 617.051266][ T8607] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 617.051283][ T8607] RIP: 0033:0x7f63069e67b9 [ 617.051301][ T8607] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 617.051316][ T8607] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 617.051336][ T8607] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 617.051351][ T8607] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 617.051364][ T8607] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 617.051376][ T8607] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 617.051389][ T8607] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 617.051421][ T8607] [ 617.775448][ T8611] loop0: detected capacity change from 0 to 32768 [ 617.789423][ T8611] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 617.789443][ T8611] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 617.810489][ T8611] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 617.822508][ T995] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 617.822526][ T995] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 617.941557][ T995] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 119ms [ 617.942670][ T995] gfs2: fsid=syz:syz.0: jid=0: Done [ 617.943971][ T8611] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 617.961813][ T8611] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 617.961834][ T8611] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 617.961861][ T8611] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 617.961889][ T8611] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8611 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 617.961925][ T8611] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 617.961946][ T8611] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 617.961961][ T8611] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 617.961972][ T8611] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 617.962219][ T8611] gfs2: fsid=syz:syz.0: File system withdrawn [ 617.962234][ T8611] CPU: 1 UID: 0 PID: 8611 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 617.962256][ T8611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 617.962267][ T8611] Call Trace: [ 617.962274][ T8611] [ 617.962282][ T8611] dump_stack_lvl+0x189/0x250 [ 617.962306][ T8611] ? kobject_uevent_env+0x36e/0x8c0 [ 617.962329][ T8611] ? __pfx_dump_stack_lvl+0x10/0x10 [ 617.962352][ T8611] ? __pfx__printk+0x10/0x10 [ 617.962372][ T8611] ? kobject_uevent_env+0x36e/0x8c0 [ 617.962401][ T8611] gfs2_withdraw+0xb30/0x1430 [ 617.962438][ T8611] ? __pfx_gfs2_withdraw+0x10/0x10 [ 617.962462][ T8611] ? __pfx__printk+0x10/0x10 [ 617.962488][ T8611] ? gfs2_consist_inode_i+0xf5/0x110 [ 617.962513][ T8611] gfs2_dirent_scan+0x545/0x690 [ 617.962552][ T8611] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 617.962574][ T8611] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 617.962602][ T8611] gfs2_dirent_search+0x2e0/0x7e0 [ 617.962626][ T8611] ? gfs2_permission+0x370/0x440 [ 617.962648][ T8611] ? __pfx___might_resched+0x10/0x10 [ 617.962668][ T8611] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 617.962689][ T8611] ? __pfx_gfs2_permission+0x10/0x10 [ 617.962720][ T8611] gfs2_dir_search+0x4c/0x220 [ 617.962745][ T8611] gfs2_lookupi+0x3dc/0x5a0 [ 617.962774][ T8611] ? __pfx_gfs2_lookupi+0x10/0x10 [ 617.962794][ T8611] ? d_alloc_parallel+0x14c5/0x1600 [ 617.962817][ T8611] ? __gfs2_lookup+0x8f/0x270 [ 617.962845][ T8611] ? d_alloc_parallel+0x2f0/0x1600 [ 617.962866][ T8611] __gfs2_lookup+0x8f/0x270 [ 617.962893][ T8611] ? __pfx___gfs2_lookup+0x10/0x10 [ 617.962922][ T8611] ? __rt_spin_lock_init+0x3e/0x50 [ 617.962942][ T8611] ? __init_waitqueue_head+0xae/0x160 [ 617.962969][ T8611] __lookup_slow+0x29a/0x3d0 [ 617.962991][ T8611] ? __pfx___lookup_slow+0x10/0x10 [ 617.963022][ T8611] ? down_read+0x181/0x1f0 [ 617.963040][ T8611] ? __pfx_down_read+0x10/0x10 [ 617.963055][ T8611] ? gfs2_dhash+0x59/0xb0 [ 617.963078][ T8611] ? lookup_fast+0x192/0x5b0 [ 617.963099][ T8611] lookup_slow+0x53/0x70 [ 617.963118][ T8611] walk_component+0x2d2/0x400 [ 617.963133][ T8611] ? path_lookupat+0x156/0x430 [ 617.963153][ T8611] path_lookupat+0x163/0x430 [ 617.963179][ T8611] filename_lookup+0x212/0x570 [ 617.963195][ T8611] ? __x64_sys_newstat+0xcc/0x170 [ 617.963210][ T8611] ? do_syscall_64+0xfa/0x3b0 [ 617.963233][ T8611] ? __pfx_filename_lookup+0x10/0x10 [ 617.963275][ T8611] ? __might_fault+0xb0/0x130 [ 617.963310][ T8611] vfs_statx+0xf8/0x550 [ 617.963340][ T8611] ? __pfx_vfs_statx+0x10/0x10 [ 617.963366][ T8611] ? getname_flags+0x1e5/0x540 [ 617.963394][ T8611] __x64_sys_newstat+0xea/0x170 [ 617.963411][ T8611] ? __pfx___x64_sys_newstat+0x10/0x10 [ 617.963426][ T8611] ? rcu_is_watching+0x15/0xb0 [ 617.963470][ T8611] ? rcu_is_watching+0x15/0xb0 [ 617.963498][ T8611] ? do_syscall_64+0xbe/0x3b0 [ 617.963519][ T8611] do_syscall_64+0xfa/0x3b0 [ 617.963535][ T8611] ? lockdep_hardirqs_on+0x9c/0x150 [ 617.963559][ T8611] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 617.963582][ T8611] ? clear_bhb_loop+0x60/0xb0 [ 617.963603][ T8611] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 617.963621][ T8611] RIP: 0033:0x7f63069e67b9 [ 617.963637][ T8611] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 617.963652][ T8611] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 executing program [ 617.963672][ T8611] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 617.963686][ T8611] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 617.963698][ T8611] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 617.963710][ T8611] R10: 000000000001274c R11: 0000000000000246 R12: 00007f6306a7a6cc [ 617.963722][ T8611] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 617.963753][ T8611] [ 618.727679][ T8615] loop0: detected capacity change from 0 to 32768 [ 618.757736][ T8615] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 618.757756][ T8615] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 618.772865][ T8615] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 618.775736][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 618.775754][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 618.881097][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 105ms [ 618.882343][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 618.882394][ T8615] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 618.895633][ T8615] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 618.895655][ T8615] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 618.895682][ T8615] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 618.895710][ T8615] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8615 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 618.895745][ T8615] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 618.895763][ T8615] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 618.895778][ T8615] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 618.895790][ T8615] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 618.896039][ T8615] gfs2: fsid=syz:syz.0: File system withdrawn [ 618.896056][ T8615] CPU: 0 UID: 0 PID: 8615 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 618.896077][ T8615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 618.896088][ T8615] Call Trace: [ 618.896095][ T8615] [ 618.896103][ T8615] dump_stack_lvl+0x189/0x250 [ 618.896128][ T8615] ? kobject_uevent_env+0x36e/0x8c0 [ 618.896151][ T8615] ? __pfx_dump_stack_lvl+0x10/0x10 [ 618.896175][ T8615] ? __pfx__printk+0x10/0x10 [ 618.896196][ T8615] ? kobject_uevent_env+0x36e/0x8c0 [ 618.896226][ T8615] gfs2_withdraw+0xb30/0x1430 [ 618.896276][ T8615] ? __pfx_gfs2_withdraw+0x10/0x10 [ 618.896300][ T8615] ? __pfx__printk+0x10/0x10 [ 618.896326][ T8615] ? gfs2_consist_inode_i+0xf5/0x110 [ 618.896350][ T8615] gfs2_dirent_scan+0x545/0x690 [ 618.896375][ T8615] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 618.896397][ T8615] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 618.896419][ T8615] gfs2_dirent_search+0x2e0/0x7e0 [ 618.896444][ T8615] ? gfs2_permission+0x370/0x440 [ 618.896474][ T8615] ? __pfx___might_resched+0x10/0x10 [ 618.896495][ T8615] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 618.896516][ T8615] ? __pfx_gfs2_permission+0x10/0x10 [ 618.896547][ T8615] gfs2_dir_search+0x4c/0x220 [ 618.896573][ T8615] gfs2_lookupi+0x3dc/0x5a0 [ 618.896602][ T8615] ? __pfx_gfs2_lookupi+0x10/0x10 [ 618.896622][ T8615] ? d_alloc_parallel+0x14c5/0x1600 [ 618.896645][ T8615] ? __gfs2_lookup+0x8f/0x270 [ 618.896673][ T8615] ? d_alloc_parallel+0x2f0/0x1600 [ 618.896694][ T8615] __gfs2_lookup+0x8f/0x270 [ 618.896720][ T8615] ? __pfx___gfs2_lookup+0x10/0x10 [ 618.896749][ T8615] ? __rt_spin_lock_init+0x3e/0x50 [ 618.896770][ T8615] ? __init_waitqueue_head+0xae/0x160 [ 618.896797][ T8615] __lookup_slow+0x29a/0x3d0 [ 618.896818][ T8615] ? __pfx___lookup_slow+0x10/0x10 [ 618.896850][ T8615] ? down_read+0x181/0x1f0 [ 618.896868][ T8615] ? __pfx_down_read+0x10/0x10 [ 618.896884][ T8615] ? gfs2_dhash+0x59/0xb0 [ 618.896907][ T8615] ? lookup_fast+0x192/0x5b0 [ 618.896928][ T8615] lookup_slow+0x53/0x70 [ 618.896947][ T8615] walk_component+0x2d2/0x400 [ 618.896962][ T8615] ? path_lookupat+0x156/0x430 [ 618.896983][ T8615] path_lookupat+0x163/0x430 [ 618.897006][ T8615] filename_lookup+0x212/0x570 [ 618.897021][ T8615] ? __x64_sys_newstat+0xcc/0x170 [ 618.897036][ T8615] ? do_syscall_64+0xfa/0x3b0 [ 618.897058][ T8615] ? __pfx_filename_lookup+0x10/0x10 [ 618.897099][ T8615] ? __might_fault+0xb0/0x130 [ 618.897135][ T8615] vfs_statx+0xf8/0x550 [ 618.897164][ T8615] ? __pfx_vfs_statx+0x10/0x10 [ 618.897191][ T8615] ? getname_flags+0x1e5/0x540 [ 618.897219][ T8615] __x64_sys_newstat+0xea/0x170 [ 618.897236][ T8615] ? __pfx___x64_sys_newstat+0x10/0x10 [ 618.897251][ T8615] ? rcu_is_watching+0x15/0xb0 [ 618.897308][ T8615] ? rcu_is_watching+0x15/0xb0 [ 618.897337][ T8615] ? do_syscall_64+0xbe/0x3b0 [ 618.897358][ T8615] do_syscall_64+0xfa/0x3b0 [ 618.897375][ T8615] ? lockdep_hardirqs_on+0x9c/0x150 [ 618.897398][ T8615] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 618.897416][ T8615] ? clear_bhb_loop+0x60/0xb0 [ 618.897437][ T8615] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 618.897553][ T8615] RIP: 0033:0x7f63069e67b9 [ 618.897579][ T8615] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 618.897596][ T8615] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 executing program [ 618.897617][ T8615] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 618.897631][ T8615] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 618.897644][ T8615] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 618.897656][ T8615] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 618.897669][ T8615] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 618.897700][ T8615] [ 619.701620][ T8619] loop0: detected capacity change from 0 to 32768 [ 619.733013][ T8619] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 619.733034][ T8619] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 619.763898][ T8619] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 619.778364][ T995] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 619.778384][ T995] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 619.881701][ T995] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 103ms [ 619.881970][ T995] gfs2: fsid=syz:syz.0: jid=0: Done [ 619.882017][ T8619] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 619.902712][ T8619] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 619.902733][ T8619] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 619.902760][ T8619] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 619.902789][ T8619] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8619 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 619.902826][ T8619] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 619.902847][ T8619] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 619.902864][ T8619] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 619.902875][ T8619] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 619.903122][ T8619] gfs2: fsid=syz:syz.0: File system withdrawn [ 619.903138][ T8619] CPU: 0 UID: 0 PID: 8619 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 619.903159][ T8619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 619.903170][ T8619] Call Trace: [ 619.903178][ T8619] [ 619.903186][ T8619] dump_stack_lvl+0x189/0x250 [ 619.903210][ T8619] ? kobject_uevent_env+0x36e/0x8c0 [ 619.903233][ T8619] ? __pfx_dump_stack_lvl+0x10/0x10 [ 619.903257][ T8619] ? __pfx__printk+0x10/0x10 [ 619.903277][ T8619] ? kobject_uevent_env+0x36e/0x8c0 [ 619.903306][ T8619] gfs2_withdraw+0xb30/0x1430 [ 619.903344][ T8619] ? __pfx_gfs2_withdraw+0x10/0x10 [ 619.903368][ T8619] ? __pfx__printk+0x10/0x10 [ 619.903393][ T8619] ? gfs2_consist_inode_i+0xf5/0x110 [ 619.903418][ T8619] gfs2_dirent_scan+0x545/0x690 [ 619.903442][ T8619] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 619.903465][ T8619] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 619.903485][ T8619] gfs2_dirent_search+0x2e0/0x7e0 [ 619.903510][ T8619] ? gfs2_permission+0x370/0x440 [ 619.903533][ T8619] ? __pfx___might_resched+0x10/0x10 [ 619.903554][ T8619] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 619.903575][ T8619] ? __pfx_gfs2_permission+0x10/0x10 [ 619.903607][ T8619] gfs2_dir_search+0x4c/0x220 [ 619.903639][ T8619] gfs2_lookupi+0x3dc/0x5a0 [ 619.903667][ T8619] ? __pfx_gfs2_lookupi+0x10/0x10 [ 619.903687][ T8619] ? d_alloc_parallel+0x14c5/0x1600 [ 619.903711][ T8619] ? __gfs2_lookup+0x8f/0x270 [ 619.903739][ T8619] ? d_alloc_parallel+0x2f0/0x1600 [ 619.903760][ T8619] __gfs2_lookup+0x8f/0x270 [ 619.903786][ T8619] ? __pfx___gfs2_lookup+0x10/0x10 [ 619.903815][ T8619] ? __rt_spin_lock_init+0x3e/0x50 [ 619.903836][ T8619] ? __init_waitqueue_head+0xae/0x160 [ 619.903862][ T8619] __lookup_slow+0x29a/0x3d0 [ 619.903884][ T8619] ? __pfx___lookup_slow+0x10/0x10 [ 619.903916][ T8619] ? down_read+0x181/0x1f0 [ 619.903934][ T8619] ? __pfx_down_read+0x10/0x10 [ 619.903950][ T8619] ? gfs2_dhash+0x59/0xb0 [ 619.903972][ T8619] ? lookup_fast+0x192/0x5b0 [ 619.903994][ T8619] lookup_slow+0x53/0x70 [ 619.904013][ T8619] walk_component+0x2d2/0x400 [ 619.904028][ T8619] ? path_lookupat+0x156/0x430 [ 619.904048][ T8619] path_lookupat+0x163/0x430 [ 619.904073][ T8619] filename_lookup+0x212/0x570 [ 619.904089][ T8619] ? __x64_sys_newstat+0xcc/0x170 [ 619.904105][ T8619] ? do_syscall_64+0xfa/0x3b0 [ 619.904127][ T8619] ? __pfx_filename_lookup+0x10/0x10 [ 619.904170][ T8619] ? __might_fault+0xb0/0x130 [ 619.904205][ T8619] vfs_statx+0xf8/0x550 [ 619.904235][ T8619] ? __pfx_vfs_statx+0x10/0x10 executing program [ 619.904261][ T8619] ? getname_flags+0x1e5/0x540 [ 619.904289][ T8619] __x64_sys_newstat+0xea/0x170 [ 619.904306][ T8619] ? __pfx___x64_sys_newstat+0x10/0x10 [ 619.904322][ T8619] ? rcu_is_watching+0x15/0xb0 [ 619.904364][ T8619] ? rcu_is_watching+0x15/0xb0 [ 619.904392][ T8619] ? do_syscall_64+0xbe/0x3b0 [ 619.904414][ T8619] do_syscall_64+0xfa/0x3b0 [ 619.904430][ T8619] ? lockdep_hardirqs_on+0x9c/0x150 [ 619.904453][ T8619] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 619.904471][ T8619] ? clear_bhb_loop+0x60/0xb0 [ 619.904493][ T8619] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 619.904510][ T8619] RIP: 0033:0x7f63069e67b9 [ 619.904527][ T8619] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 619.904542][ T8619] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 619.904562][ T8619] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 619.904576][ T8619] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 619.904588][ T8619] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 619.904600][ T8619] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 619.904613][ T8619] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 619.904648][ T8619] [ 620.604064][ T8623] loop0: detected capacity change from 0 to 32768 [ 620.619171][ T8623] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 620.619192][ T8623] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 620.649180][ T8623] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 620.651635][ T5868] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 620.651710][ T5868] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 620.749650][ T5868] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 97ms [ 620.750863][ T5868] gfs2: fsid=syz:syz.0: jid=0: Done [ 620.750949][ T8623] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 620.762181][ T8623] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 620.762203][ T8623] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 620.762231][ T8623] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 620.762276][ T8623] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8623 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 620.762312][ T8623] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 620.762332][ T8623] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 620.762347][ T8623] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 620.762359][ T8623] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 620.762602][ T8623] gfs2: fsid=syz:syz.0: File system withdrawn [ 620.762617][ T8623] CPU: 1 UID: 0 PID: 8623 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 620.762638][ T8623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 620.762649][ T8623] Call Trace: [ 620.762656][ T8623] [ 620.762664][ T8623] dump_stack_lvl+0x189/0x250 [ 620.762689][ T8623] ? kobject_uevent_env+0x36e/0x8c0 [ 620.762711][ T8623] ? __pfx_dump_stack_lvl+0x10/0x10 [ 620.762734][ T8623] ? __pfx__printk+0x10/0x10 [ 620.762754][ T8623] ? kobject_uevent_env+0x36e/0x8c0 [ 620.762783][ T8623] gfs2_withdraw+0xb30/0x1430 [ 620.762821][ T8623] ? __pfx_gfs2_withdraw+0x10/0x10 [ 620.762845][ T8623] ? __pfx__printk+0x10/0x10 [ 620.762870][ T8623] ? gfs2_consist_inode_i+0xf5/0x110 [ 620.762895][ T8623] gfs2_dirent_scan+0x545/0x690 [ 620.762920][ T8623] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 620.762942][ T8623] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 620.762963][ T8623] gfs2_dirent_search+0x2e0/0x7e0 [ 620.762988][ T8623] ? gfs2_permission+0x370/0x440 [ 620.763010][ T8623] ? __pfx___might_resched+0x10/0x10 [ 620.763033][ T8623] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 620.763055][ T8623] ? __pfx_gfs2_permission+0x10/0x10 [ 620.763086][ T8623] gfs2_dir_search+0x4c/0x220 [ 620.763112][ T8623] gfs2_lookupi+0x3dc/0x5a0 [ 620.763141][ T8623] ? __pfx_gfs2_lookupi+0x10/0x10 [ 620.763161][ T8623] ? d_alloc_parallel+0x14c5/0x1600 [ 620.763183][ T8623] ? __gfs2_lookup+0x8f/0x270 [ 620.763211][ T8623] ? d_alloc_parallel+0x2f0/0x1600 [ 620.763232][ T8623] __gfs2_lookup+0x8f/0x270 [ 620.763258][ T8623] ? __pfx___gfs2_lookup+0x10/0x10 [ 620.763286][ T8623] ? __rt_spin_lock_init+0x3e/0x50 [ 620.763307][ T8623] ? __init_waitqueue_head+0xae/0x160 [ 620.763334][ T8623] __lookup_slow+0x29a/0x3d0 [ 620.763355][ T8623] ? __pfx___lookup_slow+0x10/0x10 [ 620.763387][ T8623] ? down_read+0x181/0x1f0 [ 620.763404][ T8623] ? __pfx_down_read+0x10/0x10 [ 620.763420][ T8623] ? gfs2_dhash+0x59/0xb0 [ 620.763442][ T8623] ? lookup_fast+0x192/0x5b0 [ 620.763463][ T8623] lookup_slow+0x53/0x70 [ 620.763483][ T8623] walk_component+0x2d2/0x400 [ 620.763499][ T8623] ? path_lookupat+0x156/0x430 [ 620.763518][ T8623] path_lookupat+0x163/0x430 [ 620.763549][ T8623] filename_lookup+0x212/0x570 [ 620.763565][ T8623] ? __x64_sys_newstat+0xcc/0x170 [ 620.763581][ T8623] ? do_syscall_64+0xfa/0x3b0 [ 620.763603][ T8623] ? __pfx_filename_lookup+0x10/0x10 [ 620.763642][ T8623] ? __might_fault+0xb0/0x130 [ 620.763677][ T8623] vfs_statx+0xf8/0x550 [ 620.763706][ T8623] ? __pfx_vfs_statx+0x10/0x10 [ 620.763732][ T8623] ? getname_flags+0x1e5/0x540 [ 620.763760][ T8623] __x64_sys_newstat+0xea/0x170 [ 620.763777][ T8623] ? __pfx___x64_sys_newstat+0x10/0x10 [ 620.763793][ T8623] ? rcu_is_watching+0x15/0xb0 [ 620.763836][ T8623] ? rcu_is_watching+0x15/0xb0 [ 620.763865][ T8623] ? do_syscall_64+0xbe/0x3b0 [ 620.763886][ T8623] do_syscall_64+0xfa/0x3b0 [ 620.763902][ T8623] ? lockdep_hardirqs_on+0x9c/0x150 [ 620.763925][ T8623] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 620.763943][ T8623] ? clear_bhb_loop+0x60/0xb0 [ 620.763964][ T8623] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 620.763982][ T8623] RIP: 0033:0x7f63069e67b9 [ 620.763998][ T8623] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 620.764014][ T8623] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 620.764033][ T8623] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 executing program [ 620.764047][ T8623] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 620.764059][ T8623] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 620.764071][ T8623] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 620.764083][ T8623] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 620.764113][ T8623] [ 621.534758][ T8627] loop0: detected capacity change from 0 to 32768 [ 621.549103][ T8627] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 621.549122][ T8627] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 621.568933][ T8627] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 621.575434][ T5868] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 621.575460][ T5868] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 621.678237][ T5868] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 102ms [ 621.681315][ T5868] gfs2: fsid=syz:syz.0: jid=0: Done [ 621.681407][ T8627] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 621.717429][ T8627] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 621.717457][ T8627] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 621.717483][ T8627] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 621.717510][ T8627] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8627 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 621.717547][ T8627] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 621.717568][ T8627] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 621.717696][ T8627] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 621.717708][ T8627] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 621.719258][ T8627] gfs2: fsid=syz:syz.0: File system withdrawn [ 621.719279][ T8627] CPU: 1 UID: 0 PID: 8627 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 621.719301][ T8627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 621.719313][ T8627] Call Trace: [ 621.719321][ T8627] [ 621.719329][ T8627] dump_stack_lvl+0x189/0x250 [ 621.719355][ T8627] ? kobject_uevent_env+0x36e/0x8c0 [ 621.719377][ T8627] ? __pfx_dump_stack_lvl+0x10/0x10 [ 621.719401][ T8627] ? __pfx__printk+0x10/0x10 [ 621.719421][ T8627] ? kobject_uevent_env+0x36e/0x8c0 [ 621.719460][ T8627] gfs2_withdraw+0xb30/0x1430 [ 621.719497][ T8627] ? __pfx_gfs2_withdraw+0x10/0x10 [ 621.719521][ T8627] ? __pfx__printk+0x10/0x10 [ 621.719547][ T8627] ? gfs2_consist_inode_i+0xf5/0x110 [ 621.719573][ T8627] gfs2_dirent_scan+0x545/0x690 [ 621.719598][ T8627] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 621.719621][ T8627] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 621.719643][ T8627] gfs2_dirent_search+0x2e0/0x7e0 [ 621.719669][ T8627] ? gfs2_permission+0x370/0x440 [ 621.719691][ T8627] ? __pfx___might_resched+0x10/0x10 [ 621.719711][ T8627] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 621.719733][ T8627] ? __pfx_gfs2_permission+0x10/0x10 [ 621.719764][ T8627] gfs2_dir_search+0x4c/0x220 [ 621.719789][ T8627] gfs2_lookupi+0x3dc/0x5a0 [ 621.719818][ T8627] ? __pfx_gfs2_lookupi+0x10/0x10 [ 621.719838][ T8627] ? d_alloc_parallel+0x14c5/0x1600 [ 621.719860][ T8627] ? __gfs2_lookup+0x8f/0x270 [ 621.719888][ T8627] ? d_alloc_parallel+0x2f0/0x1600 [ 621.719909][ T8627] __gfs2_lookup+0x8f/0x270 [ 621.719934][ T8627] ? __pfx___gfs2_lookup+0x10/0x10 [ 621.719963][ T8627] ? __rt_spin_lock_init+0x3e/0x50 [ 621.719983][ T8627] ? __init_waitqueue_head+0xae/0x160 [ 621.720008][ T8627] __lookup_slow+0x29a/0x3d0 [ 621.720030][ T8627] ? __pfx___lookup_slow+0x10/0x10 [ 621.720063][ T8627] ? down_read+0x181/0x1f0 [ 621.720081][ T8627] ? __pfx_down_read+0x10/0x10 [ 621.720096][ T8627] ? gfs2_dhash+0x59/0xb0 [ 621.720120][ T8627] ? lookup_fast+0x192/0x5b0 [ 621.720142][ T8627] lookup_slow+0x53/0x70 [ 621.720161][ T8627] walk_component+0x2d2/0x400 [ 621.720176][ T8627] ? path_lookupat+0x156/0x430 [ 621.720198][ T8627] path_lookupat+0x163/0x430 [ 621.720223][ T8627] filename_lookup+0x212/0x570 [ 621.720238][ T8627] ? __x64_sys_newstat+0xcc/0x170 [ 621.720253][ T8627] ? do_syscall_64+0xfa/0x3b0 [ 621.720276][ T8627] ? __pfx_filename_lookup+0x10/0x10 [ 621.720320][ T8627] ? __might_fault+0xb0/0x130 [ 621.720355][ T8627] vfs_statx+0xf8/0x550 [ 621.720385][ T8627] ? __pfx_vfs_statx+0x10/0x10 [ 621.720412][ T8627] ? getname_flags+0x1e5/0x540 [ 621.720447][ T8627] __x64_sys_newstat+0xea/0x170 [ 621.720465][ T8627] ? __pfx___x64_sys_newstat+0x10/0x10 [ 621.720480][ T8627] ? rcu_is_watching+0x15/0xb0 [ 621.720524][ T8627] ? rcu_is_watching+0x15/0xb0 [ 621.720552][ T8627] ? do_syscall_64+0xbe/0x3b0 [ 621.720573][ T8627] do_syscall_64+0xfa/0x3b0 [ 621.720590][ T8627] ? lockdep_hardirqs_on+0x9c/0x150 [ 621.720615][ T8627] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 621.720633][ T8627] ? clear_bhb_loop+0x60/0xb0 [ 621.720653][ T8627] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 621.720670][ T8627] RIP: 0033:0x7f63069e67b9 [ 621.720686][ T8627] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 621.720701][ T8627] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 621.720722][ T8627] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 621.720735][ T8627] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 621.720746][ T8627] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 621.720759][ T8627] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 621.720770][ T8627] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 621.720802][ T8627] executing program [ 622.567963][ T8631] loop0: detected capacity change from 0 to 32768 [ 622.601789][ T8631] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 622.601811][ T8631] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 622.620068][ T8631] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 622.622529][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 622.622545][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 622.748196][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 125ms [ 622.765279][ T9] gfs2: fsid=syz:syz.0: jid=0: Done [ 622.765333][ T8631] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 622.778683][ T8631] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 622.778705][ T8631] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 622.778732][ T8631] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 622.778761][ T8631] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8631 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 622.778798][ T8631] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 622.778818][ T8631] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 622.778834][ T8631] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 622.778845][ T8631] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 622.779093][ T8631] gfs2: fsid=syz:syz.0: File system withdrawn [ 622.779109][ T8631] CPU: 0 UID: 0 PID: 8631 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 622.779129][ T8631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 622.779140][ T8631] Call Trace: [ 622.779147][ T8631] [ 622.779155][ T8631] dump_stack_lvl+0x189/0x250 [ 622.779181][ T8631] ? kobject_uevent_env+0x36e/0x8c0 [ 622.779205][ T8631] ? __pfx_dump_stack_lvl+0x10/0x10 [ 622.779228][ T8631] ? __pfx__printk+0x10/0x10 [ 622.779248][ T8631] ? kobject_uevent_env+0x36e/0x8c0 [ 622.779278][ T8631] gfs2_withdraw+0xb30/0x1430 [ 622.779315][ T8631] ? __pfx_gfs2_withdraw+0x10/0x10 [ 622.779346][ T8631] ? __pfx__printk+0x10/0x10 [ 622.779372][ T8631] ? gfs2_consist_inode_i+0xf5/0x110 [ 622.779397][ T8631] gfs2_dirent_scan+0x545/0x690 [ 622.779421][ T8631] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 622.779444][ T8631] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 622.779465][ T8631] gfs2_dirent_search+0x2e0/0x7e0 [ 622.779491][ T8631] ? gfs2_permission+0x370/0x440 [ 622.779512][ T8631] ? __pfx___might_resched+0x10/0x10 [ 622.779532][ T8631] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 622.779554][ T8631] ? __pfx_gfs2_permission+0x10/0x10 [ 622.779585][ T8631] gfs2_dir_search+0x4c/0x220 [ 622.779611][ T8631] gfs2_lookupi+0x3dc/0x5a0 [ 622.779640][ T8631] ? __pfx_gfs2_lookupi+0x10/0x10 [ 622.779663][ T8631] ? d_alloc_parallel+0x14c5/0x1600 [ 622.779686][ T8631] ? __gfs2_lookup+0x8f/0x270 [ 622.779714][ T8631] ? d_alloc_parallel+0x2f0/0x1600 [ 622.779735][ T8631] __gfs2_lookup+0x8f/0x270 [ 622.779761][ T8631] ? __pfx___gfs2_lookup+0x10/0x10 [ 622.779790][ T8631] ? __rt_spin_lock_init+0x3e/0x50 [ 622.779811][ T8631] ? __init_waitqueue_head+0xae/0x160 [ 622.779837][ T8631] __lookup_slow+0x29a/0x3d0 [ 622.779858][ T8631] ? __pfx___lookup_slow+0x10/0x10 [ 622.779891][ T8631] ? down_read+0x181/0x1f0 [ 622.779908][ T8631] ? __pfx_down_read+0x10/0x10 [ 622.779923][ T8631] ? gfs2_dhash+0x59/0xb0 [ 622.779946][ T8631] ? lookup_fast+0x192/0x5b0 [ 622.779967][ T8631] lookup_slow+0x53/0x70 [ 622.779987][ T8631] walk_component+0x2d2/0x400 [ 622.780002][ T8631] ? path_lookupat+0x156/0x430 [ 622.780021][ T8631] path_lookupat+0x163/0x430 [ 622.780047][ T8631] filename_lookup+0x212/0x570 [ 622.780063][ T8631] ? __x64_sys_newstat+0xcc/0x170 [ 622.780078][ T8631] ? do_syscall_64+0xfa/0x3b0 [ 622.780099][ T8631] ? __pfx_filename_lookup+0x10/0x10 [ 622.780137][ T8631] ? __might_fault+0xb0/0x130 [ 622.780172][ T8631] vfs_statx+0xf8/0x550 [ 622.780200][ T8631] ? __pfx_vfs_statx+0x10/0x10 [ 622.780226][ T8631] ? getname_flags+0x1e5/0x540 [ 622.780254][ T8631] __x64_sys_newstat+0xea/0x170 [ 622.780270][ T8631] ? __pfx___x64_sys_newstat+0x10/0x10 [ 622.780286][ T8631] ? rcu_is_watching+0x15/0xb0 [ 622.780335][ T8631] ? rcu_is_watching+0x15/0xb0 [ 622.780362][ T8631] ? do_syscall_64+0xbe/0x3b0 [ 622.780383][ T8631] do_syscall_64+0xfa/0x3b0 [ 622.780399][ T8631] ? lockdep_hardirqs_on+0x9c/0x150 [ 622.780423][ T8631] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 622.780442][ T8631] ? clear_bhb_loop+0x60/0xb0 [ 622.780463][ T8631] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 622.780481][ T8631] RIP: 0033:0x7f63069e67b9 [ 622.780498][ T8631] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 622.780530][ T8631] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 622.780550][ T8631] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 622.780564][ T8631] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 622.780577][ T8631] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 622.780589][ T8631] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 622.780601][ T8631] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 622.780631][ T8631] executing program [ 623.695122][ T8635] loop0: detected capacity change from 0 to 32768 [ 623.714237][ T8635] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 623.714258][ T8635] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 623.750397][ T8635] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 623.752878][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 623.752896][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 623.875707][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 122ms [ 623.875943][ T9] gfs2: fsid=syz:syz.0: jid=0: Done [ 623.876040][ T8635] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 623.883158][ T8635] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 623.883178][ T8635] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 623.883205][ T8635] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 623.883232][ T8635] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8635 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 623.883268][ T8635] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 623.883289][ T8635] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 623.883303][ T8635] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 623.883315][ T8635] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 623.883540][ T8635] gfs2: fsid=syz:syz.0: File system withdrawn [ 623.883556][ T8635] CPU: 0 UID: 0 PID: 8635 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 623.883576][ T8635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 623.883586][ T8635] Call Trace: [ 623.883594][ T8635] [ 623.883602][ T8635] dump_stack_lvl+0x189/0x250 [ 623.883626][ T8635] ? kobject_uevent_env+0x36e/0x8c0 [ 623.883649][ T8635] ? __pfx_dump_stack_lvl+0x10/0x10 [ 623.883672][ T8635] ? __pfx__printk+0x10/0x10 [ 623.883690][ T8635] ? kobject_uevent_env+0x36e/0x8c0 [ 623.883720][ T8635] gfs2_withdraw+0xb30/0x1430 [ 623.883756][ T8635] ? __pfx_gfs2_withdraw+0x10/0x10 [ 623.883780][ T8635] ? __pfx__printk+0x10/0x10 [ 623.883805][ T8635] ? gfs2_consist_inode_i+0xf5/0x110 [ 623.883829][ T8635] gfs2_dirent_scan+0x545/0x690 [ 623.883853][ T8635] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 623.883874][ T8635] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 623.883894][ T8635] gfs2_dirent_search+0x2e0/0x7e0 [ 623.883918][ T8635] ? gfs2_permission+0x370/0x440 [ 623.883940][ T8635] ? __pfx___might_resched+0x10/0x10 [ 623.883967][ T8635] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 623.883989][ T8635] ? __pfx_gfs2_permission+0x10/0x10 [ 623.884020][ T8635] gfs2_dir_search+0x4c/0x220 [ 623.884045][ T8635] gfs2_lookupi+0x3dc/0x5a0 [ 623.884074][ T8635] ? __pfx_gfs2_lookupi+0x10/0x10 [ 623.884094][ T8635] ? d_alloc_parallel+0x14c5/0x1600 [ 623.884116][ T8635] ? __gfs2_lookup+0x8f/0x270 [ 623.884143][ T8635] ? d_alloc_parallel+0x2f0/0x1600 [ 623.884164][ T8635] __gfs2_lookup+0x8f/0x270 [ 623.884191][ T8635] ? __pfx___gfs2_lookup+0x10/0x10 [ 623.884219][ T8635] ? __rt_spin_lock_init+0x3e/0x50 [ 623.884239][ T8635] ? __init_waitqueue_head+0xae/0x160 [ 623.884264][ T8635] __lookup_slow+0x29a/0x3d0 [ 623.884285][ T8635] ? __pfx___lookup_slow+0x10/0x10 [ 623.884318][ T8635] ? down_read+0x181/0x1f0 [ 623.884336][ T8635] ? __pfx_down_read+0x10/0x10 [ 623.884351][ T8635] ? gfs2_dhash+0x59/0xb0 [ 623.884372][ T8635] ? lookup_fast+0x192/0x5b0 [ 623.884395][ T8635] lookup_slow+0x53/0x70 [ 623.884414][ T8635] walk_component+0x2d2/0x400 [ 623.884429][ T8635] ? path_lookupat+0x156/0x430 [ 623.884450][ T8635] path_lookupat+0x163/0x430 [ 623.884475][ T8635] filename_lookup+0x212/0x570 [ 623.884491][ T8635] ? __x64_sys_newstat+0xcc/0x170 [ 623.884506][ T8635] ? do_syscall_64+0xfa/0x3b0 [ 623.884528][ T8635] ? __pfx_filename_lookup+0x10/0x10 [ 623.884566][ T8635] ? __might_fault+0xb0/0x130 [ 623.884599][ T8635] vfs_statx+0xf8/0x550 [ 623.884632][ T8635] ? __pfx_vfs_statx+0x10/0x10 [ 623.884658][ T8635] ? getname_flags+0x1e5/0x540 [ 623.884685][ T8635] __x64_sys_newstat+0xea/0x170 [ 623.884702][ T8635] ? __pfx___x64_sys_newstat+0x10/0x10 [ 623.884717][ T8635] ? rcu_is_watching+0x15/0xb0 [ 623.884759][ T8635] ? rcu_is_watching+0x15/0xb0 [ 623.884786][ T8635] ? do_syscall_64+0xbe/0x3b0 [ 623.884807][ T8635] do_syscall_64+0xfa/0x3b0 [ 623.884824][ T8635] ? lockdep_hardirqs_on+0x9c/0x150 [ 623.884846][ T8635] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 623.884863][ T8635] ? clear_bhb_loop+0x60/0xb0 [ 623.884884][ T8635] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 623.884901][ T8635] RIP: 0033:0x7f63069e67b9 [ 623.884917][ T8635] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 623.884931][ T8635] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 623.884952][ T8635] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 623.884975][ T8635] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 623.884987][ T8635] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 623.885000][ T8635] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 623.885012][ T8635] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 623.885042][ T8635] executing program [ 624.733316][ T8639] loop0: detected capacity change from 0 to 32768 [ 624.754895][ T8639] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 624.754916][ T8639] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 624.768759][ T8639] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 624.771856][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 624.771873][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 624.883939][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 112ms [ 624.887177][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 624.887267][ T8639] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 624.920342][ T8639] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 624.920363][ T8639] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 624.920391][ T8639] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 624.920419][ T8639] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8639 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 624.920457][ T8639] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 624.920478][ T8639] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 624.920493][ T8639] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 624.920505][ T8639] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 624.920731][ T8639] gfs2: fsid=syz:syz.0: File system withdrawn [ 624.920746][ T8639] CPU: 0 UID: 0 PID: 8639 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 624.920768][ T8639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 624.920779][ T8639] Call Trace: [ 624.920787][ T8639] [ 624.920795][ T8639] dump_stack_lvl+0x189/0x250 [ 624.920821][ T8639] ? kobject_uevent_env+0x36e/0x8c0 [ 624.920844][ T8639] ? __pfx_dump_stack_lvl+0x10/0x10 [ 624.920877][ T8639] ? __pfx__printk+0x10/0x10 [ 624.920896][ T8639] ? kobject_uevent_env+0x36e/0x8c0 [ 624.920925][ T8639] gfs2_withdraw+0xb30/0x1430 [ 624.920958][ T8639] ? __pfx_gfs2_withdraw+0x10/0x10 [ 624.920981][ T8639] ? __pfx__printk+0x10/0x10 [ 624.921007][ T8639] ? gfs2_consist_inode_i+0xf5/0x110 [ 624.921032][ T8639] gfs2_dirent_scan+0x545/0x690 [ 624.921057][ T8639] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 624.921079][ T8639] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 624.921101][ T8639] gfs2_dirent_search+0x2e0/0x7e0 [ 624.921125][ T8639] ? gfs2_permission+0x370/0x440 [ 624.921148][ T8639] ? __pfx___might_resched+0x10/0x10 [ 624.921169][ T8639] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 624.921191][ T8639] ? __pfx_gfs2_permission+0x10/0x10 [ 624.921222][ T8639] gfs2_dir_search+0x4c/0x220 [ 624.921250][ T8639] gfs2_lookupi+0x3dc/0x5a0 [ 624.921278][ T8639] ? __pfx_gfs2_lookupi+0x10/0x10 [ 624.921298][ T8639] ? d_alloc_parallel+0x14c5/0x1600 [ 624.921322][ T8639] ? __gfs2_lookup+0x8f/0x270 [ 624.921351][ T8639] ? d_alloc_parallel+0x2f0/0x1600 [ 624.921372][ T8639] __gfs2_lookup+0x8f/0x270 [ 624.921398][ T8639] ? __pfx___gfs2_lookup+0x10/0x10 [ 624.921427][ T8639] ? __rt_spin_lock_init+0x3e/0x50 [ 624.921448][ T8639] ? __init_waitqueue_head+0xae/0x160 [ 624.921474][ T8639] __lookup_slow+0x29a/0x3d0 [ 624.921497][ T8639] ? __pfx___lookup_slow+0x10/0x10 [ 624.921530][ T8639] ? down_read+0x181/0x1f0 [ 624.921548][ T8639] ? __pfx_down_read+0x10/0x10 [ 624.921564][ T8639] ? gfs2_dhash+0x59/0xb0 [ 624.921587][ T8639] ? lookup_fast+0x192/0x5b0 [ 624.921609][ T8639] lookup_slow+0x53/0x70 [ 624.921629][ T8639] walk_component+0x2d2/0x400 [ 624.921644][ T8639] ? path_lookupat+0x156/0x430 [ 624.921664][ T8639] path_lookupat+0x163/0x430 [ 624.921689][ T8639] filename_lookup+0x212/0x570 [ 624.921705][ T8639] ? __x64_sys_newstat+0xcc/0x170 [ 624.921720][ T8639] ? do_syscall_64+0xfa/0x3b0 [ 624.921744][ T8639] ? __pfx_filename_lookup+0x10/0x10 [ 624.921786][ T8639] ? __might_fault+0xb0/0x130 [ 624.921838][ T8639] vfs_statx+0xf8/0x550 [ 624.921876][ T8639] ? __pfx_vfs_statx+0x10/0x10 [ 624.921903][ T8639] ? getname_flags+0x1e5/0x540 [ 624.921931][ T8639] __x64_sys_newstat+0xea/0x170 [ 624.921949][ T8639] ? __pfx___x64_sys_newstat+0x10/0x10 [ 624.921965][ T8639] ? rcu_is_watching+0x15/0xb0 [ 624.922009][ T8639] ? rcu_is_watching+0x15/0xb0 [ 624.922038][ T8639] ? do_syscall_64+0xbe/0x3b0 [ 624.922061][ T8639] do_syscall_64+0xfa/0x3b0 [ 624.922077][ T8639] ? lockdep_hardirqs_on+0x9c/0x150 [ 624.922101][ T8639] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 624.922119][ T8639] ? clear_bhb_loop+0x60/0xb0 [ 624.922141][ T8639] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 624.922158][ T8639] RIP: 0033:0x7f63069e67b9 [ 624.922176][ T8639] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 624.922191][ T8639] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 624.922211][ T8639] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 624.922225][ T8639] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 executing program [ 624.922238][ T8639] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 624.922250][ T8639] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 624.922263][ T8639] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 624.922293][ T8639] [ 625.232237][ T1323] ieee802154 phy0 wpan0: encryption failed: -22 [ 625.232314][ T1323] ieee802154 phy1 wpan1: encryption failed: -22 [ 625.693349][ T8643] loop0: detected capacity change from 0 to 32768 [ 625.714743][ T8643] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 625.714762][ T8643] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 625.737411][ T8643] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 625.744811][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 625.744829][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 625.862816][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 117ms [ 625.863086][ T9] gfs2: fsid=syz:syz.0: jid=0: Done [ 625.863173][ T8643] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 625.875345][ T8643] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 625.875365][ T8643] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 625.875393][ T8643] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 625.875421][ T8643] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8643 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 625.875459][ T8643] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 625.875480][ T8643] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 625.875495][ T8643] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 625.875506][ T8643] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 625.875735][ T8643] gfs2: fsid=syz:syz.0: File system withdrawn [ 625.875751][ T8643] CPU: 0 UID: 0 PID: 8643 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 625.875772][ T8643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 625.875783][ T8643] Call Trace: [ 625.875791][ T8643] [ 625.875799][ T8643] dump_stack_lvl+0x189/0x250 [ 625.875906][ T8643] ? kobject_uevent_env+0x36e/0x8c0 [ 625.875933][ T8643] ? __pfx_dump_stack_lvl+0x10/0x10 [ 625.875957][ T8643] ? __pfx__printk+0x10/0x10 [ 625.875977][ T8643] ? kobject_uevent_env+0x36e/0x8c0 [ 625.876007][ T8643] gfs2_withdraw+0xb30/0x1430 [ 625.876047][ T8643] ? __pfx_gfs2_withdraw+0x10/0x10 [ 625.876071][ T8643] ? __pfx__printk+0x10/0x10 [ 625.876120][ T8643] ? gfs2_consist_inode_i+0xf5/0x110 [ 625.876146][ T8643] gfs2_dirent_scan+0x545/0x690 [ 625.876170][ T8643] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 625.876192][ T8643] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 625.876214][ T8643] gfs2_dirent_search+0x2e0/0x7e0 [ 625.876240][ T8643] ? gfs2_permission+0x370/0x440 [ 625.876263][ T8643] ? __pfx___might_resched+0x10/0x10 [ 625.876283][ T8643] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 625.876306][ T8643] ? __pfx_gfs2_permission+0x10/0x10 [ 625.876338][ T8643] gfs2_dir_search+0x4c/0x220 [ 625.876368][ T8643] gfs2_lookupi+0x3dc/0x5a0 [ 625.876390][ T8643] ? preempt_schedule_thunk+0x16/0x30 [ 625.876416][ T8643] ? __pfx_gfs2_lookupi+0x10/0x10 [ 625.876437][ T8643] ? d_alloc_parallel+0x1549/0x1600 [ 625.876460][ T8643] ? __gfs2_lookup+0x8f/0x270 [ 625.876488][ T8643] ? d_alloc_parallel+0x2f0/0x1600 [ 625.876510][ T8643] __gfs2_lookup+0x8f/0x270 [ 625.876538][ T8643] ? __pfx___gfs2_lookup+0x10/0x10 [ 625.876567][ T8643] ? __rt_spin_lock_init+0x3e/0x50 [ 625.876589][ T8643] ? __init_waitqueue_head+0xae/0x160 [ 625.876617][ T8643] __lookup_slow+0x29a/0x3d0 [ 625.876639][ T8643] ? __pfx___lookup_slow+0x10/0x10 [ 625.876672][ T8643] ? down_read+0x181/0x1f0 [ 625.876690][ T8643] ? __pfx_down_read+0x10/0x10 [ 625.876706][ T8643] ? gfs2_dhash+0x59/0xb0 [ 625.876728][ T8643] ? lookup_fast+0x192/0x5b0 [ 625.876750][ T8643] lookup_slow+0x53/0x70 [ 625.876769][ T8643] walk_component+0x2d2/0x400 [ 625.876785][ T8643] ? path_lookupat+0x156/0x430 [ 625.876806][ T8643] path_lookupat+0x163/0x430 [ 625.876832][ T8643] filename_lookup+0x212/0x570 [ 625.876847][ T8643] ? __x64_sys_newstat+0xcc/0x170 [ 625.876860][ T8643] ? do_syscall_64+0xfa/0x3b0 [ 625.876879][ T8643] ? __pfx_filename_lookup+0x10/0x10 [ 625.876932][ T8643] ? __might_fault+0xb0/0x130 [ 625.876969][ T8643] vfs_statx+0xf8/0x550 [ 625.877000][ T8643] ? __pfx_vfs_statx+0x10/0x10 [ 625.877027][ T8643] ? getname_flags+0x1e5/0x540 [ 625.877055][ T8643] __x64_sys_newstat+0xea/0x170 [ 625.877074][ T8643] ? __pfx___x64_sys_newstat+0x10/0x10 [ 625.877098][ T8643] ? rcu_is_watching+0x15/0xb0 [ 625.877143][ T8643] ? rcu_is_watching+0x15/0xb0 [ 625.877173][ T8643] ? do_syscall_64+0xbe/0x3b0 [ 625.877197][ T8643] do_syscall_64+0xfa/0x3b0 [ 625.877214][ T8643] ? lockdep_hardirqs_on+0x9c/0x150 [ 625.877238][ T8643] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 625.877257][ T8643] ? clear_bhb_loop+0x60/0xb0 [ 625.877278][ T8643] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 625.877297][ T8643] RIP: 0033:0x7f63069e67b9 [ 625.877316][ T8643] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 625.877358][ T8643] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 625.877379][ T8643] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 625.877394][ T8643] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 625.877406][ T8643] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 625.877418][ T8643] R10: 000000000001274c R11: 0000000000000246 R12: 00007f6306a7a6cc [ 625.877431][ T8643] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 625.877462][ T8643] executing program [ 626.719480][ T8647] loop0: detected capacity change from 0 to 32768 [ 626.751960][ T8647] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 626.751980][ T8647] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 626.798544][ T8647] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 1ms [ 626.801234][ T5868] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 626.801253][ T5868] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 626.917189][ T5868] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 115ms [ 626.917428][ T5868] gfs2: fsid=syz:syz.0: jid=0: Done [ 626.917503][ T8647] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 626.930431][ T8647] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 626.930451][ T8647] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 626.930478][ T8647] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 626.930506][ T8647] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8647 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 626.930543][ T8647] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 626.930564][ T8647] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 626.930579][ T8647] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 626.930590][ T8647] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 626.930834][ T8647] gfs2: fsid=syz:syz.0: File system withdrawn [ 626.930850][ T8647] CPU: 0 UID: 0 PID: 8647 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 626.930870][ T8647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 626.930881][ T8647] Call Trace: [ 626.930888][ T8647] [ 626.930896][ T8647] dump_stack_lvl+0x189/0x250 [ 626.930921][ T8647] ? kobject_uevent_env+0x36e/0x8c0 [ 626.930944][ T8647] ? __pfx_dump_stack_lvl+0x10/0x10 [ 626.930968][ T8647] ? __pfx__printk+0x10/0x10 [ 626.930988][ T8647] ? kobject_uevent_env+0x36e/0x8c0 [ 626.931018][ T8647] gfs2_withdraw+0xb30/0x1430 [ 626.931054][ T8647] ? __pfx_gfs2_withdraw+0x10/0x10 [ 626.931079][ T8647] ? __pfx__printk+0x10/0x10 [ 626.931104][ T8647] ? gfs2_consist_inode_i+0xf5/0x110 [ 626.931129][ T8647] gfs2_dirent_scan+0x545/0x690 [ 626.931153][ T8647] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 626.931175][ T8647] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 626.931197][ T8647] gfs2_dirent_search+0x2e0/0x7e0 [ 626.931221][ T8647] ? gfs2_permission+0x370/0x440 [ 626.931244][ T8647] ? __pfx___might_resched+0x10/0x10 [ 626.931264][ T8647] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 626.931285][ T8647] ? __pfx_gfs2_permission+0x10/0x10 [ 626.931317][ T8647] gfs2_dir_search+0x4c/0x220 [ 626.931343][ T8647] gfs2_lookupi+0x3dc/0x5a0 [ 626.931371][ T8647] ? __pfx_gfs2_lookupi+0x10/0x10 [ 626.931391][ T8647] ? d_alloc_parallel+0x14c5/0x1600 [ 626.931414][ T8647] ? __gfs2_lookup+0x8f/0x270 [ 626.931442][ T8647] ? d_alloc_parallel+0x2f0/0x1600 [ 626.931463][ T8647] __gfs2_lookup+0x8f/0x270 [ 626.931489][ T8647] ? __pfx___gfs2_lookup+0x10/0x10 [ 626.931519][ T8647] ? __rt_spin_lock_init+0x3e/0x50 [ 626.931543][ T8647] ? __init_waitqueue_head+0xae/0x160 [ 626.931569][ T8647] __lookup_slow+0x29a/0x3d0 [ 626.931591][ T8647] ? __pfx___lookup_slow+0x10/0x10 [ 626.931623][ T8647] ? down_read+0x181/0x1f0 [ 626.931646][ T8647] ? __pfx_down_read+0x10/0x10 [ 626.931661][ T8647] ? gfs2_dhash+0x59/0xb0 [ 626.931683][ T8647] ? lookup_fast+0x192/0x5b0 [ 626.931705][ T8647] lookup_slow+0x53/0x70 [ 626.931724][ T8647] walk_component+0x2d2/0x400 [ 626.931739][ T8647] ? path_lookupat+0x156/0x430 [ 626.931759][ T8647] path_lookupat+0x163/0x430 [ 626.931784][ T8647] filename_lookup+0x212/0x570 [ 626.931800][ T8647] ? __x64_sys_newstat+0xcc/0x170 [ 626.931816][ T8647] ? do_syscall_64+0xfa/0x3b0 [ 626.931838][ T8647] ? __pfx_filename_lookup+0x10/0x10 [ 626.931879][ T8647] ? __might_fault+0xb0/0x130 [ 626.931915][ T8647] vfs_statx+0xf8/0x550 [ 626.931944][ T8647] ? __pfx_vfs_statx+0x10/0x10 [ 626.931970][ T8647] ? getname_flags+0x1e5/0x540 [ 626.931998][ T8647] __x64_sys_newstat+0xea/0x170 [ 626.932016][ T8647] ? __pfx___x64_sys_newstat+0x10/0x10 [ 626.932031][ T8647] ? rcu_is_watching+0x15/0xb0 [ 626.932074][ T8647] ? rcu_is_watching+0x15/0xb0 [ 626.932100][ T8647] ? do_syscall_64+0xbe/0x3b0 [ 626.932118][ T8647] do_syscall_64+0xfa/0x3b0 [ 626.932133][ T8647] ? lockdep_hardirqs_on+0x9c/0x150 [ 626.932154][ T8647] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 626.932172][ T8647] ? clear_bhb_loop+0x60/0xb0 [ 626.932193][ T8647] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 626.932210][ T8647] RIP: 0033:0x7f63069e67b9 [ 626.932225][ T8647] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 626.932240][ T8647] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 626.932260][ T8647] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 626.932275][ T8647] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 626.932286][ T8647] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 626.932298][ T8647] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 626.932310][ T8647] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 626.932340][ T8647] executing program [ 627.833694][ T8651] loop0: detected capacity change from 0 to 32768 [ 627.872789][ T8651] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 627.872810][ T8651] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 627.908528][ T8651] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 627.911171][ T5868] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 627.911189][ T5868] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 628.017284][ T5868] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 106ms [ 628.017581][ T5868] gfs2: fsid=syz:syz.0: jid=0: Done [ 628.019803][ T8651] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 628.053241][ T8651] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 628.053262][ T8651] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 628.053288][ T8651] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 628.053317][ T8651] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8651 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 628.053354][ T8651] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 628.053374][ T8651] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 628.053389][ T8651] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 628.053400][ T8651] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 628.053607][ T8651] gfs2: fsid=syz:syz.0: File system withdrawn [ 628.053623][ T8651] CPU: 0 UID: 0 PID: 8651 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 628.053643][ T8651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 628.053655][ T8651] Call Trace: [ 628.053663][ T8651] [ 628.053671][ T8651] dump_stack_lvl+0x189/0x250 [ 628.053696][ T8651] ? kobject_uevent_env+0x36e/0x8c0 [ 628.053719][ T8651] ? __pfx_dump_stack_lvl+0x10/0x10 [ 628.053744][ T8651] ? __pfx__printk+0x10/0x10 [ 628.053763][ T8651] ? kobject_uevent_env+0x36e/0x8c0 [ 628.053792][ T8651] gfs2_withdraw+0xb30/0x1430 [ 628.053836][ T8651] ? __pfx_gfs2_withdraw+0x10/0x10 [ 628.053861][ T8651] ? __pfx__printk+0x10/0x10 [ 628.053886][ T8651] ? gfs2_consist_inode_i+0xf5/0x110 [ 628.053911][ T8651] gfs2_dirent_scan+0x545/0x690 [ 628.053937][ T8651] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 628.053958][ T8651] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 628.053979][ T8651] gfs2_dirent_search+0x2e0/0x7e0 [ 628.054004][ T8651] ? gfs2_permission+0x370/0x440 [ 628.054025][ T8651] ? __pfx___might_resched+0x10/0x10 [ 628.054045][ T8651] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 628.054066][ T8651] ? __pfx_gfs2_permission+0x10/0x10 [ 628.054099][ T8651] gfs2_dir_search+0x4c/0x220 [ 628.054126][ T8651] gfs2_lookupi+0x3dc/0x5a0 [ 628.054154][ T8651] ? __pfx_gfs2_lookupi+0x10/0x10 [ 628.054174][ T8651] ? d_alloc_parallel+0x14c5/0x1600 [ 628.054197][ T8651] ? __gfs2_lookup+0x8f/0x270 [ 628.054225][ T8651] ? d_alloc_parallel+0x2f0/0x1600 [ 628.054247][ T8651] __gfs2_lookup+0x8f/0x270 [ 628.054273][ T8651] ? __pfx___gfs2_lookup+0x10/0x10 [ 628.054301][ T8651] ? __rt_spin_lock_init+0x3e/0x50 [ 628.054321][ T8651] ? __init_waitqueue_head+0xae/0x160 [ 628.054346][ T8651] __lookup_slow+0x29a/0x3d0 [ 628.054368][ T8651] ? __pfx___lookup_slow+0x10/0x10 [ 628.054401][ T8651] ? down_read+0x181/0x1f0 [ 628.054418][ T8651] ? __pfx_down_read+0x10/0x10 [ 628.054433][ T8651] ? gfs2_dhash+0x59/0xb0 [ 628.054455][ T8651] ? lookup_fast+0x192/0x5b0 [ 628.054478][ T8651] lookup_slow+0x53/0x70 [ 628.054498][ T8651] walk_component+0x2d2/0x400 [ 628.054514][ T8651] ? path_lookupat+0x156/0x430 [ 628.054534][ T8651] path_lookupat+0x163/0x430 [ 628.054559][ T8651] filename_lookup+0x212/0x570 [ 628.054575][ T8651] ? __x64_sys_newstat+0xcc/0x170 [ 628.054590][ T8651] ? do_syscall_64+0xfa/0x3b0 [ 628.054612][ T8651] ? __pfx_filename_lookup+0x10/0x10 [ 628.054654][ T8651] ? __might_fault+0xb0/0x130 [ 628.054689][ T8651] vfs_statx+0xf8/0x550 [ 628.054716][ T8651] ? __pfx_vfs_statx+0x10/0x10 [ 628.054742][ T8651] ? getname_flags+0x1e5/0x540 [ 628.054770][ T8651] __x64_sys_newstat+0xea/0x170 [ 628.054787][ T8651] ? __pfx___x64_sys_newstat+0x10/0x10 [ 628.054803][ T8651] ? rcu_is_watching+0x15/0xb0 [ 628.054853][ T8651] ? rcu_is_watching+0x15/0xb0 [ 628.054880][ T8651] ? do_syscall_64+0xbe/0x3b0 [ 628.054902][ T8651] do_syscall_64+0xfa/0x3b0 [ 628.054918][ T8651] ? lockdep_hardirqs_on+0x9c/0x150 [ 628.054942][ T8651] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 628.054960][ T8651] ? clear_bhb_loop+0x60/0xb0 [ 628.054982][ T8651] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 628.055000][ T8651] RIP: 0033:0x7f63069e67b9 [ 628.055015][ T8651] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 executing program [ 628.055025][ T8651] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 628.055037][ T8651] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 628.055045][ T8651] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 628.055052][ T8651] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 628.055059][ T8651] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 628.055066][ T8651] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 628.055082][ T8651] [ 628.785587][ T8655] loop0: detected capacity change from 0 to 32768 [ 628.804256][ T8655] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 628.804275][ T8655] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 628.823465][ T8655] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 628.832837][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 628.832855][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 628.941068][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 108ms [ 628.941309][ T9] gfs2: fsid=syz:syz.0: jid=0: Done [ 628.941829][ T8655] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 628.970806][ T8655] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 628.970941][ T8655] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 628.970970][ T8655] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 628.971000][ T8655] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8655 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 628.971036][ T8655] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 628.971055][ T8655] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 628.971070][ T8655] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 628.971081][ T8655] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 628.971387][ T8655] gfs2: fsid=syz:syz.0: File system withdrawn [ 628.971402][ T8655] CPU: 1 UID: 0 PID: 8655 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 628.971424][ T8655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 628.971434][ T8655] Call Trace: [ 628.971441][ T8655] [ 628.971449][ T8655] dump_stack_lvl+0x189/0x250 [ 628.971473][ T8655] ? kobject_uevent_env+0x36e/0x8c0 [ 628.971497][ T8655] ? __pfx_dump_stack_lvl+0x10/0x10 [ 628.971520][ T8655] ? __pfx__printk+0x10/0x10 [ 628.971540][ T8655] ? kobject_uevent_env+0x36e/0x8c0 [ 628.971571][ T8655] gfs2_withdraw+0xb30/0x1430 [ 628.971609][ T8655] ? __pfx_gfs2_withdraw+0x10/0x10 [ 628.971633][ T8655] ? __pfx__printk+0x10/0x10 [ 628.971659][ T8655] ? gfs2_consist_inode_i+0xf5/0x110 [ 628.971690][ T8655] gfs2_dirent_scan+0x545/0x690 [ 628.971714][ T8655] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 628.971735][ T8655] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 628.971756][ T8655] gfs2_dirent_search+0x2e0/0x7e0 [ 628.971780][ T8655] ? gfs2_permission+0x370/0x440 [ 628.971802][ T8655] ? __pfx___might_resched+0x10/0x10 [ 628.971822][ T8655] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 628.971843][ T8655] ? __pfx_gfs2_permission+0x10/0x10 [ 628.971873][ T8655] gfs2_dir_search+0x4c/0x220 [ 628.971897][ T8655] gfs2_lookupi+0x3dc/0x5a0 [ 628.971925][ T8655] ? __pfx_gfs2_lookupi+0x10/0x10 [ 628.971944][ T8655] ? d_alloc_parallel+0x14c5/0x1600 [ 628.971986][ T8655] ? __gfs2_lookup+0x8f/0x270 [ 628.972014][ T8655] ? d_alloc_parallel+0x2f0/0x1600 [ 628.972034][ T8655] __gfs2_lookup+0x8f/0x270 [ 628.972059][ T8655] ? __pfx___gfs2_lookup+0x10/0x10 [ 628.972088][ T8655] ? __rt_spin_lock_init+0x3e/0x50 [ 628.972107][ T8655] ? __init_waitqueue_head+0xae/0x160 [ 628.972132][ T8655] __lookup_slow+0x29a/0x3d0 [ 628.972154][ T8655] ? __pfx___lookup_slow+0x10/0x10 [ 628.972185][ T8655] ? down_read+0x181/0x1f0 [ 628.972201][ T8655] ? __pfx_down_read+0x10/0x10 [ 628.972216][ T8655] ? gfs2_dhash+0x59/0xb0 [ 628.972236][ T8655] ? lookup_fast+0x192/0x5b0 [ 628.972257][ T8655] lookup_slow+0x53/0x70 [ 628.972273][ T8655] walk_component+0x2d2/0x400 [ 628.972288][ T8655] ? path_lookupat+0x156/0x430 [ 628.972308][ T8655] path_lookupat+0x163/0x430 [ 628.972332][ T8655] filename_lookup+0x212/0x570 [ 628.972348][ T8655] ? __x64_sys_newstat+0xcc/0x170 [ 628.972364][ T8655] ? do_syscall_64+0xfa/0x3b0 [ 628.972385][ T8655] ? __pfx_filename_lookup+0x10/0x10 [ 628.972425][ T8655] ? __might_fault+0xb0/0x130 [ 628.972459][ T8655] vfs_statx+0xf8/0x550 [ 628.972488][ T8655] ? __pfx_vfs_statx+0x10/0x10 [ 628.972515][ T8655] ? getname_flags+0x1e5/0x540 [ 628.972542][ T8655] __x64_sys_newstat+0xea/0x170 [ 628.972559][ T8655] ? __pfx___x64_sys_newstat+0x10/0x10 [ 628.972575][ T8655] ? rcu_is_watching+0x15/0xb0 [ 628.972619][ T8655] ? rcu_is_watching+0x15/0xb0 [ 628.972647][ T8655] ? do_syscall_64+0xbe/0x3b0 [ 628.972668][ T8655] do_syscall_64+0xfa/0x3b0 [ 628.972690][ T8655] ? lockdep_hardirqs_on+0x9c/0x150 [ 628.972715][ T8655] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 628.972732][ T8655] ? clear_bhb_loop+0x60/0xb0 [ 628.972754][ T8655] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 628.972770][ T8655] RIP: 0033:0x7f63069e67b9 [ 628.972787][ T8655] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 executing program [ 628.972803][ T8655] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 628.972823][ T8655] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 628.972837][ T8655] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 628.972850][ T8655] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 628.972862][ T8655] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 628.972874][ T8655] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 628.972904][ T8655] [ 629.736763][ T8659] loop0: detected capacity change from 0 to 32768 [ 629.752399][ T8659] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 629.752417][ T8659] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 629.780101][ T8659] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 629.783150][ T5868] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 629.783169][ T5868] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 629.862143][ T5868] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 78ms [ 629.862456][ T5868] gfs2: fsid=syz:syz.0: jid=0: Done [ 629.863401][ T8659] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 629.878378][ T8659] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 629.878400][ T8659] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 629.878427][ T8659] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 629.878456][ T8659] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8659 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 629.878493][ T8659] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 629.878513][ T8659] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 629.878528][ T8659] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 629.878540][ T8659] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 629.878810][ T8659] gfs2: fsid=syz:syz.0: File system withdrawn [ 629.878826][ T8659] CPU: 1 UID: 0 PID: 8659 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 629.878847][ T8659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 629.878858][ T8659] Call Trace: [ 629.878866][ T8659] [ 629.878873][ T8659] dump_stack_lvl+0x189/0x250 [ 629.878898][ T8659] ? kobject_uevent_env+0x36e/0x8c0 [ 629.878921][ T8659] ? __pfx_dump_stack_lvl+0x10/0x10 [ 629.878945][ T8659] ? __pfx__printk+0x10/0x10 [ 629.878964][ T8659] ? kobject_uevent_env+0x36e/0x8c0 [ 629.879001][ T8659] gfs2_withdraw+0xb30/0x1430 [ 629.879037][ T8659] ? __pfx_gfs2_withdraw+0x10/0x10 [ 629.879062][ T8659] ? __pfx__printk+0x10/0x10 [ 629.879088][ T8659] ? gfs2_consist_inode_i+0xf5/0x110 [ 629.879112][ T8659] gfs2_dirent_scan+0x545/0x690 [ 629.879137][ T8659] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 629.879159][ T8659] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 629.879180][ T8659] gfs2_dirent_search+0x2e0/0x7e0 [ 629.879205][ T8659] ? gfs2_permission+0x370/0x440 [ 629.879227][ T8659] ? __pfx___might_resched+0x10/0x10 [ 629.879249][ T8659] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 629.879270][ T8659] ? __pfx_gfs2_permission+0x10/0x10 [ 629.879300][ T8659] gfs2_dir_search+0x4c/0x220 [ 629.879325][ T8659] gfs2_lookupi+0x3dc/0x5a0 [ 629.879359][ T8659] ? __pfx_gfs2_lookupi+0x10/0x10 [ 629.879378][ T8659] ? d_alloc_parallel+0x14c5/0x1600 [ 629.879400][ T8659] ? __gfs2_lookup+0x8f/0x270 [ 629.879426][ T8659] ? d_alloc_parallel+0x2f0/0x1600 [ 629.879448][ T8659] __gfs2_lookup+0x8f/0x270 [ 629.879475][ T8659] ? __pfx___gfs2_lookup+0x10/0x10 [ 629.879504][ T8659] ? __rt_spin_lock_init+0x3e/0x50 [ 629.879524][ T8659] ? __init_waitqueue_head+0xae/0x160 [ 629.879550][ T8659] __lookup_slow+0x29a/0x3d0 [ 629.879572][ T8659] ? __pfx___lookup_slow+0x10/0x10 [ 629.879604][ T8659] ? down_read+0x181/0x1f0 [ 629.879622][ T8659] ? __pfx_down_read+0x10/0x10 [ 629.879638][ T8659] ? gfs2_dhash+0x59/0xb0 [ 629.879660][ T8659] ? lookup_fast+0x192/0x5b0 [ 629.879681][ T8659] lookup_slow+0x53/0x70 [ 629.879700][ T8659] walk_component+0x2d2/0x400 [ 629.879716][ T8659] ? path_lookupat+0x156/0x430 [ 629.879736][ T8659] path_lookupat+0x163/0x430 [ 629.879766][ T8659] filename_lookup+0x212/0x570 [ 629.879782][ T8659] ? __x64_sys_newstat+0xcc/0x170 [ 629.879802][ T8659] ? do_syscall_64+0xfa/0x3b0 [ 629.879825][ T8659] ? __pfx_filename_lookup+0x10/0x10 [ 629.879870][ T8659] ? __might_fault+0xb0/0x130 [ 629.879905][ T8659] vfs_statx+0xf8/0x550 [ 629.879934][ T8659] ? __pfx_vfs_statx+0x10/0x10 [ 629.879961][ T8659] ? getname_flags+0x1e5/0x540 [ 629.879989][ T8659] __x64_sys_newstat+0xea/0x170 [ 629.880006][ T8659] ? __pfx___x64_sys_newstat+0x10/0x10 [ 629.880022][ T8659] ? rcu_is_watching+0x15/0xb0 [ 629.880066][ T8659] ? rcu_is_watching+0x15/0xb0 [ 629.880094][ T8659] ? do_syscall_64+0xbe/0x3b0 [ 629.880113][ T8659] do_syscall_64+0xfa/0x3b0 [ 629.880129][ T8659] ? lockdep_hardirqs_on+0x9c/0x150 [ 629.880153][ T8659] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 629.880171][ T8659] ? clear_bhb_loop+0x60/0xb0 [ 629.880193][ T8659] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 629.880211][ T8659] RIP: 0033:0x7f63069e67b9 [ 629.880227][ T8659] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 629.880243][ T8659] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 629.880263][ T8659] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 629.880276][ T8659] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 629.880289][ T8659] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 629.880300][ T8659] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 629.880312][ T8659] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 629.880349][ T8659] executing program [ 630.684177][ T8663] loop0: detected capacity change from 0 to 32768 [ 630.709178][ T8663] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 630.709196][ T8663] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 630.739419][ T8663] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 630.741762][ T5868] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 630.741781][ T5868] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 630.852157][ T5868] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 110ms [ 630.856407][ T5868] gfs2: fsid=syz:syz.0: jid=0: Done [ 630.867225][ T8663] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 630.883297][ T8663] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 630.883320][ T8663] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 630.883348][ T8663] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 630.883382][ T8663] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8663 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 630.883420][ T8663] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 630.883442][ T8663] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 630.883458][ T8663] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 630.883470][ T8663] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 630.883742][ T8663] gfs2: fsid=syz:syz.0: File system withdrawn [ 630.883757][ T8663] CPU: 0 UID: 0 PID: 8663 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 630.883778][ T8663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 630.883789][ T8663] Call Trace: [ 630.883797][ T8663] [ 630.883805][ T8663] dump_stack_lvl+0x189/0x250 [ 630.883830][ T8663] ? kobject_uevent_env+0x36e/0x8c0 [ 630.883854][ T8663] ? __pfx_dump_stack_lvl+0x10/0x10 [ 630.883879][ T8663] ? __pfx__printk+0x10/0x10 [ 630.883900][ T8663] ? kobject_uevent_env+0x36e/0x8c0 [ 630.883931][ T8663] gfs2_withdraw+0xb30/0x1430 [ 630.883968][ T8663] ? __pfx_gfs2_withdraw+0x10/0x10 [ 630.883993][ T8663] ? __pfx__printk+0x10/0x10 [ 630.884019][ T8663] ? gfs2_consist_inode_i+0xf5/0x110 [ 630.884044][ T8663] gfs2_dirent_scan+0x545/0x690 [ 630.884069][ T8663] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 630.884091][ T8663] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 630.884113][ T8663] gfs2_dirent_search+0x2e0/0x7e0 [ 630.884139][ T8663] ? gfs2_permission+0x370/0x440 [ 630.884166][ T8663] ? __pfx___might_resched+0x10/0x10 [ 630.884188][ T8663] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 630.884209][ T8663] ? __pfx_gfs2_permission+0x10/0x10 [ 630.884239][ T8663] gfs2_dir_search+0x4c/0x220 [ 630.884267][ T8663] gfs2_lookupi+0x3dc/0x5a0 [ 630.884295][ T8663] ? __pfx_gfs2_lookupi+0x10/0x10 [ 630.884316][ T8663] ? d_alloc_parallel+0x14c5/0x1600 [ 630.884340][ T8663] ? __gfs2_lookup+0x8f/0x270 [ 630.884369][ T8663] ? d_alloc_parallel+0x2f0/0x1600 [ 630.884391][ T8663] __gfs2_lookup+0x8f/0x270 [ 630.884418][ T8663] ? __pfx___gfs2_lookup+0x10/0x10 [ 630.884447][ T8663] ? __rt_spin_lock_init+0x3e/0x50 [ 630.884468][ T8663] ? __init_waitqueue_head+0xae/0x160 [ 630.884501][ T8663] __lookup_slow+0x29a/0x3d0 [ 630.884523][ T8663] ? __pfx___lookup_slow+0x10/0x10 [ 630.884556][ T8663] ? down_read+0x181/0x1f0 [ 630.884575][ T8663] ? __pfx_down_read+0x10/0x10 [ 630.884591][ T8663] ? gfs2_dhash+0x59/0xb0 [ 630.884614][ T8663] ? lookup_fast+0x192/0x5b0 [ 630.884634][ T8663] lookup_slow+0x53/0x70 [ 630.884651][ T8663] walk_component+0x2d2/0x400 [ 630.884665][ T8663] ? path_lookupat+0x156/0x430 [ 630.884682][ T8663] path_lookupat+0x163/0x430 [ 630.884705][ T8663] filename_lookup+0x212/0x570 [ 630.884719][ T8663] ? __x64_sys_newstat+0xcc/0x170 [ 630.884734][ T8663] ? do_syscall_64+0xfa/0x3b0 [ 630.884755][ T8663] ? __pfx_filename_lookup+0x10/0x10 [ 630.884794][ T8663] ? __might_fault+0xb0/0x130 [ 630.884829][ T8663] vfs_statx+0xf8/0x550 [ 630.884859][ T8663] ? __pfx_vfs_statx+0x10/0x10 [ 630.884886][ T8663] ? getname_flags+0x1e5/0x540 [ 630.884914][ T8663] __x64_sys_newstat+0xea/0x170 [ 630.884932][ T8663] ? __pfx___x64_sys_newstat+0x10/0x10 [ 630.884949][ T8663] ? rcu_is_watching+0x15/0xb0 [ 630.884993][ T8663] ? rcu_is_watching+0x15/0xb0 [ 630.885022][ T8663] ? do_syscall_64+0xbe/0x3b0 [ 630.885044][ T8663] do_syscall_64+0xfa/0x3b0 [ 630.885061][ T8663] ? lockdep_hardirqs_on+0x9c/0x150 [ 630.885086][ T8663] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 630.885104][ T8663] ? clear_bhb_loop+0x60/0xb0 [ 630.885126][ T8663] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 630.885144][ T8663] RIP: 0033:0x7f63069e67b9 [ 630.885162][ T8663] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 630.885178][ T8663] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 executing program [ 630.885198][ T8663] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 630.885210][ T8663] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 630.885223][ T8663] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 630.885234][ T8663] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 630.885247][ T8663] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 630.885278][ T8663] [ 631.672249][ T8667] loop0: detected capacity change from 0 to 32768 [ 631.695489][ T8667] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 631.695507][ T8667] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 631.726696][ T8667] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 631.729002][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 631.729020][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 631.840991][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 111ms [ 631.842353][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 631.842546][ T8667] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 631.873276][ T8667] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 631.873291][ T8667] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 631.873308][ T8667] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 631.873324][ T8667] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8667 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 631.873348][ T8667] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 631.873359][ T8667] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 631.873371][ T8667] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 631.873377][ T8667] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 631.873560][ T8667] gfs2: fsid=syz:syz.0: File system withdrawn [ 631.873576][ T8667] CPU: 0 UID: 0 PID: 8667 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 631.873596][ T8667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 631.873607][ T8667] Call Trace: [ 631.873615][ T8667] [ 631.873622][ T8667] dump_stack_lvl+0x189/0x250 [ 631.873647][ T8667] ? kobject_uevent_env+0x36e/0x8c0 [ 631.873670][ T8667] ? __pfx_dump_stack_lvl+0x10/0x10 [ 631.873693][ T8667] ? __pfx__printk+0x10/0x10 [ 631.873712][ T8667] ? kobject_uevent_env+0x36e/0x8c0 [ 631.873742][ T8667] gfs2_withdraw+0xb30/0x1430 [ 631.873780][ T8667] ? __pfx_gfs2_withdraw+0x10/0x10 [ 631.873804][ T8667] ? __pfx__printk+0x10/0x10 [ 631.873829][ T8667] ? gfs2_consist_inode_i+0xf5/0x110 [ 631.873853][ T8667] gfs2_dirent_scan+0x545/0x690 [ 631.873878][ T8667] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 631.873898][ T8667] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 631.873931][ T8667] gfs2_dirent_search+0x2e0/0x7e0 [ 631.873956][ T8667] ? gfs2_permission+0x370/0x440 [ 631.873979][ T8667] ? __pfx___might_resched+0x10/0x10 [ 631.874000][ T8667] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 631.874021][ T8667] ? __pfx_gfs2_permission+0x10/0x10 [ 631.874052][ T8667] gfs2_dir_search+0x4c/0x220 [ 631.874078][ T8667] gfs2_lookupi+0x3dc/0x5a0 [ 631.874107][ T8667] ? __pfx_gfs2_lookupi+0x10/0x10 [ 631.874138][ T8667] ? d_alloc_parallel+0x14c5/0x1600 [ 631.874160][ T8667] ? __gfs2_lookup+0x8f/0x270 [ 631.874187][ T8667] ? d_alloc_parallel+0x2f0/0x1600 [ 631.874209][ T8667] __gfs2_lookup+0x8f/0x270 [ 631.874235][ T8667] ? __pfx___gfs2_lookup+0x10/0x10 [ 631.874265][ T8667] ? __rt_spin_lock_init+0x3e/0x50 [ 631.874284][ T8667] ? __init_waitqueue_head+0xae/0x160 [ 631.874309][ T8667] __lookup_slow+0x29a/0x3d0 [ 631.874331][ T8667] ? __pfx___lookup_slow+0x10/0x10 [ 631.874363][ T8667] ? down_read+0x181/0x1f0 [ 631.874381][ T8667] ? __pfx_down_read+0x10/0x10 [ 631.874397][ T8667] ? gfs2_dhash+0x59/0xb0 [ 631.874419][ T8667] ? lookup_fast+0x192/0x5b0 [ 631.874440][ T8667] lookup_slow+0x53/0x70 [ 631.874458][ T8667] walk_component+0x2d2/0x400 [ 631.874473][ T8667] ? path_lookupat+0x156/0x430 [ 631.874492][ T8667] path_lookupat+0x163/0x430 [ 631.874518][ T8667] filename_lookup+0x212/0x570 [ 631.874533][ T8667] ? __x64_sys_newstat+0xcc/0x170 [ 631.874549][ T8667] ? do_syscall_64+0xfa/0x3b0 [ 631.874570][ T8667] ? __pfx_filename_lookup+0x10/0x10 [ 631.874611][ T8667] ? __might_fault+0xb0/0x130 executing program [ 631.874644][ T8667] vfs_statx+0xf8/0x550 [ 631.874673][ T8667] ? __pfx_vfs_statx+0x10/0x10 [ 631.874701][ T8667] ? getname_flags+0x1e5/0x540 [ 631.874728][ T8667] __x64_sys_newstat+0xea/0x170 [ 631.874744][ T8667] ? __pfx___x64_sys_newstat+0x10/0x10 [ 631.874760][ T8667] ? rcu_is_watching+0x15/0xb0 [ 631.874804][ T8667] ? rcu_is_watching+0x15/0xb0 [ 631.874833][ T8667] ? do_syscall_64+0xbe/0x3b0 [ 631.874855][ T8667] do_syscall_64+0xfa/0x3b0 [ 631.874872][ T8667] ? lockdep_hardirqs_on+0x9c/0x150 [ 631.874896][ T8667] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 631.874914][ T8667] ? clear_bhb_loop+0x60/0xb0 [ 631.874936][ T8667] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 631.874952][ T8667] RIP: 0033:0x7f63069e67b9 [ 631.874968][ T8667] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 631.874983][ T8667] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 631.875003][ T8667] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 631.875015][ T8667] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 631.875026][ T8667] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 631.875037][ T8667] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 631.875049][ T8667] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 631.875080][ T8667] [ 632.558742][ T8671] loop0: detected capacity change from 0 to 32768 [ 632.566831][ T8671] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 632.566851][ T8671] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 632.591171][ T8671] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 632.600557][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 632.600576][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 632.700743][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 100ms [ 632.700951][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 632.701058][ T8671] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 632.717727][ T8671] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 632.717748][ T8671] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 632.717776][ T8671] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 632.717804][ T8671] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8671 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 632.717843][ T8671] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 632.717864][ T8671] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 632.717880][ T8671] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 632.717891][ T8671] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 632.718129][ T8671] gfs2: fsid=syz:syz.0: File system withdrawn [ 632.718144][ T8671] CPU: 0 UID: 0 PID: 8671 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 632.718166][ T8671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 632.718177][ T8671] Call Trace: [ 632.718184][ T8671] [ 632.718191][ T8671] dump_stack_lvl+0x189/0x250 [ 632.718217][ T8671] ? kobject_uevent_env+0x36e/0x8c0 [ 632.718240][ T8671] ? __pfx_dump_stack_lvl+0x10/0x10 [ 632.718264][ T8671] ? __pfx__printk+0x10/0x10 [ 632.718288][ T8671] ? kobject_uevent_env+0x36e/0x8c0 [ 632.718311][ T8671] gfs2_withdraw+0xb30/0x1430 [ 632.718349][ T8671] ? __pfx_gfs2_withdraw+0x10/0x10 [ 632.718373][ T8671] ? __pfx__printk+0x10/0x10 [ 632.718399][ T8671] ? gfs2_consist_inode_i+0xf5/0x110 [ 632.718424][ T8671] gfs2_dirent_scan+0x545/0x690 [ 632.718448][ T8671] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 632.718468][ T8671] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 632.718487][ T8671] gfs2_dirent_search+0x2e0/0x7e0 [ 632.718509][ T8671] ? gfs2_permission+0x370/0x440 [ 632.718528][ T8671] ? __pfx___might_resched+0x10/0x10 [ 632.718546][ T8671] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 632.718566][ T8671] ? __pfx_gfs2_permission+0x10/0x10 [ 632.718594][ T8671] gfs2_dir_search+0x4c/0x220 [ 632.718618][ T8671] gfs2_lookupi+0x3dc/0x5a0 [ 632.718646][ T8671] ? __pfx_gfs2_lookupi+0x10/0x10 [ 632.718663][ T8671] ? d_alloc_parallel+0x14c5/0x1600 [ 632.718683][ T8671] ? __gfs2_lookup+0x8f/0x270 [ 632.718709][ T8671] ? d_alloc_parallel+0x2f0/0x1600 [ 632.718731][ T8671] __gfs2_lookup+0x8f/0x270 [ 632.718755][ T8671] ? __pfx___gfs2_lookup+0x10/0x10 [ 632.718782][ T8671] ? __rt_spin_lock_init+0x3e/0x50 [ 632.718803][ T8671] ? __init_waitqueue_head+0xae/0x160 [ 632.718829][ T8671] __lookup_slow+0x29a/0x3d0 [ 632.718850][ T8671] ? __pfx___lookup_slow+0x10/0x10 [ 632.718892][ T8671] ? down_read+0x181/0x1f0 [ 632.718908][ T8671] ? __pfx_down_read+0x10/0x10 [ 632.718930][ T8671] ? gfs2_dhash+0x59/0xb0 [ 632.718951][ T8671] ? lookup_fast+0x192/0x5b0 [ 632.718975][ T8671] lookup_slow+0x53/0x70 [ 632.718995][ T8671] walk_component+0x2d2/0x400 [ 632.719010][ T8671] ? path_lookupat+0x156/0x430 [ 632.719030][ T8671] path_lookupat+0x163/0x430 [ 632.719055][ T8671] filename_lookup+0x212/0x570 [ 632.719072][ T8671] ? __x64_sys_newstat+0xcc/0x170 [ 632.719087][ T8671] ? do_syscall_64+0xfa/0x3b0 [ 632.719109][ T8671] ? __pfx_filename_lookup+0x10/0x10 [ 632.719152][ T8671] ? __might_fault+0xb0/0x130 [ 632.719187][ T8671] vfs_statx+0xf8/0x550 [ 632.719214][ T8671] ? __pfx_vfs_statx+0x10/0x10 [ 632.719240][ T8671] ? getname_flags+0x1e5/0x540 [ 632.719265][ T8671] __x64_sys_newstat+0xea/0x170 [ 632.719290][ T8671] ? __pfx___x64_sys_newstat+0x10/0x10 [ 632.719306][ T8671] ? rcu_is_watching+0x15/0xb0 [ 632.719350][ T8671] ? rcu_is_watching+0x15/0xb0 [ 632.719378][ T8671] ? do_syscall_64+0xbe/0x3b0 [ 632.719397][ T8671] do_syscall_64+0xfa/0x3b0 [ 632.719413][ T8671] ? lockdep_hardirqs_on+0x9c/0x150 [ 632.719437][ T8671] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 632.719455][ T8671] ? clear_bhb_loop+0x60/0xb0 [ 632.719477][ T8671] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 632.719495][ T8671] RIP: 0033:0x7f63069e67b9 [ 632.719512][ T8671] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 632.719529][ T8671] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 632.719550][ T8671] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 632.719565][ T8671] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 632.719577][ T8671] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 632.719589][ T8671] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 632.719602][ T8671] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 632.719632][ T8671] executing program [ 633.522138][ T8675] loop0: detected capacity change from 0 to 32768 [ 633.547909][ T8675] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 633.547928][ T8675] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 633.579899][ T8675] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 633.582419][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 633.582439][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 633.664389][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 81ms [ 633.665119][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 633.665163][ T8675] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 633.687962][ T8675] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 633.687982][ T8675] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 633.688018][ T8675] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 633.688044][ T8675] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8675 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 633.688079][ T8675] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 633.688098][ T8675] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 633.688113][ T8675] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 633.688124][ T8675] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 633.688349][ T8675] gfs2: fsid=syz:syz.0: File system withdrawn [ 633.688365][ T8675] CPU: 0 UID: 0 PID: 8675 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 633.688385][ T8675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 633.688395][ T8675] Call Trace: [ 633.688403][ T8675] [ 633.688410][ T8675] dump_stack_lvl+0x189/0x250 [ 633.688436][ T8675] ? kobject_uevent_env+0x36e/0x8c0 [ 633.688460][ T8675] ? __pfx_dump_stack_lvl+0x10/0x10 [ 633.688483][ T8675] ? __pfx__printk+0x10/0x10 [ 633.688501][ T8675] ? kobject_uevent_env+0x36e/0x8c0 [ 633.688532][ T8675] gfs2_withdraw+0xb30/0x1430 [ 633.688570][ T8675] ? __pfx_gfs2_withdraw+0x10/0x10 [ 633.688595][ T8675] ? __pfx__printk+0x10/0x10 [ 633.688621][ T8675] ? gfs2_consist_inode_i+0xf5/0x110 [ 633.688646][ T8675] gfs2_dirent_scan+0x545/0x690 [ 633.688671][ T8675] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 633.688693][ T8675] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 633.688714][ T8675] gfs2_dirent_search+0x2e0/0x7e0 [ 633.688739][ T8675] ? gfs2_permission+0x370/0x440 [ 633.688762][ T8675] ? __pfx___might_resched+0x10/0x10 [ 633.688783][ T8675] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 633.688806][ T8675] ? __pfx_gfs2_permission+0x10/0x10 [ 633.688839][ T8675] gfs2_dir_search+0x4c/0x220 [ 633.688869][ T8675] gfs2_lookupi+0x3dc/0x5a0 [ 633.688898][ T8675] ? __pfx_gfs2_lookupi+0x10/0x10 [ 633.688918][ T8675] ? d_alloc_parallel+0x14c5/0x1600 [ 633.688942][ T8675] ? __gfs2_lookup+0x8f/0x270 [ 633.688977][ T8675] ? d_alloc_parallel+0x2f0/0x1600 [ 633.688998][ T8675] __gfs2_lookup+0x8f/0x270 [ 633.689031][ T8675] ? __pfx___gfs2_lookup+0x10/0x10 [ 633.689060][ T8675] ? __rt_spin_lock_init+0x3e/0x50 [ 633.689081][ T8675] ? __init_waitqueue_head+0xae/0x160 [ 633.689105][ T8675] __lookup_slow+0x29a/0x3d0 [ 633.689126][ T8675] ? __pfx___lookup_slow+0x10/0x10 [ 633.689160][ T8675] ? down_read+0x181/0x1f0 [ 633.689178][ T8675] ? __pfx_down_read+0x10/0x10 [ 633.689193][ T8675] ? gfs2_dhash+0x59/0xb0 [ 633.689216][ T8675] ? lookup_fast+0x192/0x5b0 [ 633.689238][ T8675] lookup_slow+0x53/0x70 [ 633.689256][ T8675] walk_component+0x2d2/0x400 [ 633.689272][ T8675] ? path_lookupat+0x156/0x430 [ 633.689293][ T8675] path_lookupat+0x163/0x430 [ 633.689319][ T8675] filename_lookup+0x212/0x570 [ 633.689335][ T8675] ? __x64_sys_newstat+0xcc/0x170 [ 633.689352][ T8675] ? do_syscall_64+0xfa/0x3b0 [ 633.689375][ T8675] ? __pfx_filename_lookup+0x10/0x10 [ 633.689419][ T8675] ? __might_fault+0xb0/0x130 [ 633.689455][ T8675] vfs_statx+0xf8/0x550 [ 633.689485][ T8675] ? __pfx_vfs_statx+0x10/0x10 [ 633.689511][ T8675] ? getname_flags+0x1e5/0x540 [ 633.689538][ T8675] __x64_sys_newstat+0xea/0x170 [ 633.689556][ T8675] ? __pfx___x64_sys_newstat+0x10/0x10 [ 633.689572][ T8675] ? rcu_is_watching+0x15/0xb0 [ 633.689614][ T8675] ? rcu_is_watching+0x15/0xb0 [ 633.689641][ T8675] ? do_syscall_64+0xbe/0x3b0 [ 633.689661][ T8675] do_syscall_64+0xfa/0x3b0 [ 633.689676][ T8675] ? lockdep_hardirqs_on+0x9c/0x150 [ 633.689699][ T8675] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 633.689717][ T8675] ? clear_bhb_loop+0x60/0xb0 [ 633.689739][ T8675] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 633.689757][ T8675] RIP: 0033:0x7f63069e67b9 [ 633.689774][ T8675] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 633.689790][ T8675] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 633.689811][ T8675] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 633.689825][ T8675] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 633.689838][ T8675] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 633.689850][ T8675] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 633.689862][ T8675] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 633.689891][ T8675] executing program [ 634.508339][ T8679] loop0: detected capacity change from 0 to 32768 [ 634.517094][ T8679] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 634.517117][ T8679] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 634.549219][ T8679] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 634.551684][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 634.551702][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 634.680225][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 128ms [ 634.683385][ T9] gfs2: fsid=syz:syz.0: jid=0: Done [ 634.683441][ T8679] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 634.713256][ T8679] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 634.713278][ T8679] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 634.713306][ T8679] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 634.713335][ T8679] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8679 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 634.713371][ T8679] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 634.713390][ T8679] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 634.713405][ T8679] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 634.713416][ T8679] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 634.713659][ T8679] gfs2: fsid=syz:syz.0: File system withdrawn [ 634.713674][ T8679] CPU: 0 UID: 0 PID: 8679 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 634.713695][ T8679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 634.713706][ T8679] Call Trace: [ 634.713714][ T8679] [ 634.713721][ T8679] dump_stack_lvl+0x189/0x250 [ 634.713747][ T8679] ? kobject_uevent_env+0x36e/0x8c0 [ 634.713770][ T8679] ? __pfx_dump_stack_lvl+0x10/0x10 [ 634.713805][ T8679] ? __pfx__printk+0x10/0x10 [ 634.713824][ T8679] ? kobject_uevent_env+0x36e/0x8c0 [ 634.713853][ T8679] gfs2_withdraw+0xb30/0x1430 [ 634.713890][ T8679] ? __pfx_gfs2_withdraw+0x10/0x10 [ 634.713918][ T8679] ? __pfx__printk+0x10/0x10 [ 634.713943][ T8679] ? gfs2_consist_inode_i+0xf5/0x110 [ 634.713967][ T8679] gfs2_dirent_scan+0x545/0x690 [ 634.713998][ T8679] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 634.714020][ T8679] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 634.714042][ T8679] gfs2_dirent_search+0x2e0/0x7e0 [ 634.714066][ T8679] ? gfs2_permission+0x370/0x440 [ 634.714088][ T8679] ? __pfx___might_resched+0x10/0x10 [ 634.714108][ T8679] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 634.714129][ T8679] ? __pfx_gfs2_permission+0x10/0x10 [ 634.714158][ T8679] gfs2_dir_search+0x4c/0x220 [ 634.714183][ T8679] gfs2_lookupi+0x3dc/0x5a0 [ 634.714210][ T8679] ? __pfx_gfs2_lookupi+0x10/0x10 [ 634.714229][ T8679] ? d_alloc_parallel+0x14c5/0x1600 [ 634.714252][ T8679] ? __gfs2_lookup+0x8f/0x270 [ 634.714278][ T8679] ? d_alloc_parallel+0x2f0/0x1600 [ 634.714300][ T8679] __gfs2_lookup+0x8f/0x270 [ 634.714326][ T8679] ? __pfx___gfs2_lookup+0x10/0x10 [ 634.714363][ T8679] ? __rt_spin_lock_init+0x3e/0x50 [ 634.714383][ T8679] ? __init_waitqueue_head+0xae/0x160 [ 634.714409][ T8679] __lookup_slow+0x29a/0x3d0 [ 634.714431][ T8679] ? __pfx___lookup_slow+0x10/0x10 [ 634.714461][ T8679] ? down_read+0x181/0x1f0 [ 634.714479][ T8679] ? __pfx_down_read+0x10/0x10 [ 634.714493][ T8679] ? gfs2_dhash+0x59/0xb0 [ 634.714513][ T8679] ? lookup_fast+0x192/0x5b0 [ 634.714532][ T8679] lookup_slow+0x53/0x70 [ 634.714558][ T8679] walk_component+0x2d2/0x400 [ 634.714573][ T8679] ? path_lookupat+0x156/0x430 [ 634.714592][ T8679] path_lookupat+0x163/0x430 [ 634.714616][ T8679] filename_lookup+0x212/0x570 [ 634.714632][ T8679] ? __x64_sys_newstat+0xcc/0x170 [ 634.714646][ T8679] ? do_syscall_64+0xfa/0x3b0 [ 634.714666][ T8679] ? __pfx_filename_lookup+0x10/0x10 [ 634.714706][ T8679] ? __might_fault+0xb0/0x130 [ 634.714742][ T8679] vfs_statx+0xf8/0x550 [ 634.714770][ T8679] ? __pfx_vfs_statx+0x10/0x10 [ 634.714804][ T8679] ? getname_flags+0x1e5/0x540 [ 634.714833][ T8679] __x64_sys_newstat+0xea/0x170 [ 634.714851][ T8679] ? __pfx___x64_sys_newstat+0x10/0x10 [ 634.714867][ T8679] ? rcu_is_watching+0x15/0xb0 [ 634.714911][ T8679] ? rcu_is_watching+0x15/0xb0 [ 634.714938][ T8679] ? do_syscall_64+0xbe/0x3b0 [ 634.714959][ T8679] do_syscall_64+0xfa/0x3b0 [ 634.714976][ T8679] ? lockdep_hardirqs_on+0x9c/0x150 [ 634.715000][ T8679] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 634.715018][ T8679] ? clear_bhb_loop+0x60/0xb0 [ 634.715040][ T8679] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 634.715057][ T8679] RIP: 0033:0x7f63069e67b9 [ 634.715074][ T8679] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 634.715088][ T8679] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 634.715107][ T8679] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 634.715120][ T8679] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 634.715131][ T8679] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 634.715142][ T8679] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 634.715154][ T8679] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 634.715183][ T8679] executing program [ 635.769926][ T8683] loop0: detected capacity change from 0 to 32768 [ 635.797800][ T8683] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 635.797819][ T8683] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 635.815230][ T8683] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 635.819383][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 635.819403][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 635.925247][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 105ms [ 635.926366][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 635.927387][ T8683] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 635.943017][ T8683] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 635.943039][ T8683] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 635.943066][ T8683] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 635.943095][ T8683] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8683 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 635.943133][ T8683] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 635.943154][ T8683] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 635.943169][ T8683] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 635.943181][ T8683] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 635.946382][ T8683] gfs2: fsid=syz:syz.0: File system withdrawn [ 635.946402][ T8683] CPU: 0 UID: 0 PID: 8683 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 635.946424][ T8683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 635.946435][ T8683] Call Trace: [ 635.946443][ T8683] [ 635.946451][ T8683] dump_stack_lvl+0x189/0x250 [ 635.946477][ T8683] ? kobject_uevent_env+0x36e/0x8c0 [ 635.946501][ T8683] ? __pfx_dump_stack_lvl+0x10/0x10 [ 635.946524][ T8683] ? __pfx__printk+0x10/0x10 [ 635.946544][ T8683] ? kobject_uevent_env+0x36e/0x8c0 [ 635.946574][ T8683] gfs2_withdraw+0xb30/0x1430 [ 635.946611][ T8683] ? __pfx_gfs2_withdraw+0x10/0x10 [ 635.946636][ T8683] ? __pfx__printk+0x10/0x10 [ 635.946661][ T8683] ? gfs2_consist_inode_i+0xf5/0x110 [ 635.946685][ T8683] gfs2_dirent_scan+0x545/0x690 [ 635.946709][ T8683] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 635.946810][ T8683] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 635.946830][ T8683] gfs2_dirent_search+0x2e0/0x7e0 [ 635.946856][ T8683] ? gfs2_permission+0x370/0x440 [ 635.946879][ T8683] ? __pfx___might_resched+0x10/0x10 [ 635.946899][ T8683] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 635.946920][ T8683] ? __pfx_gfs2_permission+0x10/0x10 [ 635.946951][ T8683] gfs2_dir_search+0x4c/0x220 [ 635.946977][ T8683] gfs2_lookupi+0x3dc/0x5a0 [ 635.947005][ T8683] ? __pfx_gfs2_lookupi+0x10/0x10 [ 635.947025][ T8683] ? d_alloc_parallel+0x14c5/0x1600 [ 635.947048][ T8683] ? __gfs2_lookup+0x8f/0x270 [ 635.947076][ T8683] ? d_alloc_parallel+0x2f0/0x1600 [ 635.947097][ T8683] __gfs2_lookup+0x8f/0x270 [ 635.947123][ T8683] ? __pfx___gfs2_lookup+0x10/0x10 [ 635.947153][ T8683] ? __rt_spin_lock_init+0x3e/0x50 [ 635.947173][ T8683] ? __init_waitqueue_head+0xae/0x160 [ 635.947199][ T8683] __lookup_slow+0x29a/0x3d0 [ 635.947221][ T8683] ? __pfx___lookup_slow+0x10/0x10 [ 635.947253][ T8683] ? down_read+0x181/0x1f0 [ 635.947271][ T8683] ? __pfx_down_read+0x10/0x10 [ 635.947287][ T8683] ? gfs2_dhash+0x59/0xb0 [ 635.947309][ T8683] ? lookup_fast+0x192/0x5b0 [ 635.947330][ T8683] lookup_slow+0x53/0x70 [ 635.947349][ T8683] walk_component+0x2d2/0x400 [ 635.947365][ T8683] ? path_lookupat+0x156/0x430 [ 635.947385][ T8683] path_lookupat+0x163/0x430 [ 635.947410][ T8683] filename_lookup+0x212/0x570 [ 635.947426][ T8683] ? __x64_sys_newstat+0xcc/0x170 [ 635.947441][ T8683] ? do_syscall_64+0xfa/0x3b0 [ 635.947464][ T8683] ? __pfx_filename_lookup+0x10/0x10 [ 635.947506][ T8683] ? __might_fault+0xb0/0x130 [ 635.947542][ T8683] vfs_statx+0xf8/0x550 [ 635.947575][ T8683] ? __pfx_vfs_statx+0x10/0x10 [ 635.947601][ T8683] ? getname_flags+0x1e5/0x540 [ 635.947629][ T8683] __x64_sys_newstat+0xea/0x170 [ 635.947646][ T8683] ? __pfx___x64_sys_newstat+0x10/0x10 [ 635.947662][ T8683] ? rcu_is_watching+0x15/0xb0 [ 635.947705][ T8683] ? rcu_is_watching+0x15/0xb0 [ 635.947739][ T8683] ? do_syscall_64+0xbe/0x3b0 [ 635.947760][ T8683] do_syscall_64+0xfa/0x3b0 [ 635.947776][ T8683] ? lockdep_hardirqs_on+0x9c/0x150 [ 635.947800][ T8683] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 635.947818][ T8683] ? clear_bhb_loop+0x60/0xb0 [ 635.947839][ T8683] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 635.947857][ T8683] RIP: 0033:0x7f63069e67b9 [ 635.947874][ T8683] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 635.947890][ T8683] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 executing program [ 635.947910][ T8683] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 635.947924][ T8683] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 635.947936][ T8683] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 635.947948][ T8683] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 635.947960][ T8683] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 635.947989][ T8683] [ 636.696377][ T8687] loop0: detected capacity change from 0 to 32768 [ 636.716821][ T8687] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 636.716839][ T8687] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 636.731512][ T8687] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 636.734085][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 636.734103][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 636.841077][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 106ms [ 636.841319][ T9] gfs2: fsid=syz:syz.0: jid=0: Done [ 636.841366][ T8687] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 636.857313][ T8687] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 636.857335][ T8687] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 636.857361][ T8687] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 636.857390][ T8687] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8687 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 636.857427][ T8687] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 636.857448][ T8687] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 636.857463][ T8687] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 636.857474][ T8687] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 636.857711][ T8687] gfs2: fsid=syz:syz.0: File system withdrawn [ 636.857726][ T8687] CPU: 0 UID: 0 PID: 8687 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 636.857747][ T8687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 636.857758][ T8687] Call Trace: [ 636.857765][ T8687] [ 636.857773][ T8687] dump_stack_lvl+0x189/0x250 [ 636.857797][ T8687] ? kobject_uevent_env+0x36e/0x8c0 [ 636.857821][ T8687] ? __pfx_dump_stack_lvl+0x10/0x10 [ 636.857844][ T8687] ? __pfx__printk+0x10/0x10 [ 636.857869][ T8687] ? kobject_uevent_env+0x36e/0x8c0 [ 636.857899][ T8687] gfs2_withdraw+0xb30/0x1430 [ 636.857936][ T8687] ? __pfx_gfs2_withdraw+0x10/0x10 [ 636.857960][ T8687] ? __pfx__printk+0x10/0x10 [ 636.857985][ T8687] ? gfs2_consist_inode_i+0xf5/0x110 [ 636.858010][ T8687] gfs2_dirent_scan+0x545/0x690 [ 636.858035][ T8687] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 636.858057][ T8687] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 636.858078][ T8687] gfs2_dirent_search+0x2e0/0x7e0 [ 636.858104][ T8687] ? gfs2_permission+0x370/0x440 [ 636.858125][ T8687] ? __pfx___might_resched+0x10/0x10 [ 636.858147][ T8687] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 636.858169][ T8687] ? __pfx_gfs2_permission+0x10/0x10 [ 636.858200][ T8687] gfs2_dir_search+0x4c/0x220 [ 636.858227][ T8687] gfs2_lookupi+0x3dc/0x5a0 [ 636.858255][ T8687] ? __pfx_gfs2_lookupi+0x10/0x10 [ 636.858275][ T8687] ? d_alloc_parallel+0x14c5/0x1600 [ 636.858297][ T8687] ? __gfs2_lookup+0x8f/0x270 [ 636.858325][ T8687] ? d_alloc_parallel+0x2f0/0x1600 [ 636.858347][ T8687] __gfs2_lookup+0x8f/0x270 [ 636.858372][ T8687] ? __pfx___gfs2_lookup+0x10/0x10 [ 636.858402][ T8687] ? __rt_spin_lock_init+0x3e/0x50 [ 636.858423][ T8687] ? __init_waitqueue_head+0xae/0x160 [ 636.858448][ T8687] __lookup_slow+0x29a/0x3d0 [ 636.858469][ T8687] ? __pfx___lookup_slow+0x10/0x10 [ 636.858502][ T8687] ? down_read+0x181/0x1f0 [ 636.858519][ T8687] ? __pfx_down_read+0x10/0x10 [ 636.858535][ T8687] ? gfs2_dhash+0x59/0xb0 [ 636.858557][ T8687] ? lookup_fast+0x192/0x5b0 [ 636.858578][ T8687] lookup_slow+0x53/0x70 [ 636.858597][ T8687] walk_component+0x2d2/0x400 [ 636.858613][ T8687] ? path_lookupat+0x156/0x430 [ 636.858633][ T8687] path_lookupat+0x163/0x430 [ 636.858657][ T8687] filename_lookup+0x212/0x570 [ 636.858673][ T8687] ? __x64_sys_newstat+0xcc/0x170 [ 636.858689][ T8687] ? do_syscall_64+0xfa/0x3b0 [ 636.858712][ T8687] ? __pfx_filename_lookup+0x10/0x10 [ 636.858753][ T8687] ? __might_fault+0xb0/0x130 [ 636.858789][ T8687] vfs_statx+0xf8/0x550 [ 636.858818][ T8687] ? __pfx_vfs_statx+0x10/0x10 [ 636.858845][ T8687] ? getname_flags+0x1e5/0x540 [ 636.858877][ T8687] __x64_sys_newstat+0xea/0x170 [ 636.858895][ T8687] ? __pfx___x64_sys_newstat+0x10/0x10 [ 636.858910][ T8687] ? rcu_is_watching+0x15/0xb0 [ 636.858954][ T8687] ? rcu_is_watching+0x15/0xb0 [ 636.858986][ T8687] ? do_syscall_64+0xbe/0x3b0 [ 636.859008][ T8687] do_syscall_64+0xfa/0x3b0 [ 636.859024][ T8687] ? lockdep_hardirqs_on+0x9c/0x150 [ 636.859047][ T8687] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 636.859066][ T8687] ? clear_bhb_loop+0x60/0xb0 [ 636.859087][ T8687] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 636.859104][ T8687] RIP: 0033:0x7f63069e67b9 [ 636.859120][ T8687] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 636.859136][ T8687] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 636.859155][ T8687] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 636.859169][ T8687] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 636.859181][ T8687] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 636.859193][ T8687] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 636.859205][ T8687] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 636.859235][ T8687] executing program [ 637.652118][ T8691] loop0: detected capacity change from 0 to 32768 [ 637.689094][ T8691] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 637.689110][ T8691] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 637.704535][ T8691] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 637.707672][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 637.707692][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 637.793244][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 85ms [ 637.793477][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 637.793572][ T8691] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 637.826662][ T8691] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 637.826682][ T8691] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 637.826709][ T8691] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 637.826737][ T8691] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8691 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 637.826782][ T8691] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 637.826914][ T8691] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 637.826930][ T8691] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 637.826942][ T8691] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 637.827198][ T8691] gfs2: fsid=syz:syz.0: File system withdrawn [ 637.827213][ T8691] CPU: 0 UID: 0 PID: 8691 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 637.827234][ T8691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 637.827245][ T8691] Call Trace: [ 637.827252][ T8691] [ 637.827261][ T8691] dump_stack_lvl+0x189/0x250 [ 637.827287][ T8691] ? kobject_uevent_env+0x36e/0x8c0 [ 637.827310][ T8691] ? __pfx_dump_stack_lvl+0x10/0x10 [ 637.827334][ T8691] ? __pfx__printk+0x10/0x10 [ 637.827354][ T8691] ? kobject_uevent_env+0x36e/0x8c0 [ 637.827383][ T8691] gfs2_withdraw+0xb30/0x1430 [ 637.827420][ T8691] ? __pfx_gfs2_withdraw+0x10/0x10 [ 637.827444][ T8691] ? __pfx__printk+0x10/0x10 [ 637.827471][ T8691] ? gfs2_consist_inode_i+0xf5/0x110 [ 637.827496][ T8691] gfs2_dirent_scan+0x545/0x690 [ 637.827519][ T8691] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 637.827540][ T8691] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 637.827560][ T8691] gfs2_dirent_search+0x2e0/0x7e0 [ 637.827584][ T8691] ? gfs2_permission+0x370/0x440 [ 637.827606][ T8691] ? __pfx___might_resched+0x10/0x10 [ 637.827627][ T8691] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 637.827649][ T8691] ? __pfx_gfs2_permission+0x10/0x10 [ 637.827681][ T8691] gfs2_dir_search+0x4c/0x220 [ 637.827707][ T8691] gfs2_lookupi+0x3dc/0x5a0 [ 637.827736][ T8691] ? __pfx_gfs2_lookupi+0x10/0x10 [ 637.827763][ T8691] ? d_alloc_parallel+0x14c5/0x1600 [ 637.827787][ T8691] ? __gfs2_lookup+0x8f/0x270 [ 637.827815][ T8691] ? d_alloc_parallel+0x2f0/0x1600 [ 637.827835][ T8691] __gfs2_lookup+0x8f/0x270 [ 637.827861][ T8691] ? __pfx___gfs2_lookup+0x10/0x10 [ 637.827891][ T8691] ? __rt_spin_lock_init+0x3e/0x50 [ 637.827911][ T8691] ? __init_waitqueue_head+0xae/0x160 [ 637.827937][ T8691] __lookup_slow+0x29a/0x3d0 [ 637.827961][ T8691] ? __pfx___lookup_slow+0x10/0x10 [ 637.827994][ T8691] ? down_read+0x181/0x1f0 [ 637.828013][ T8691] ? __pfx_down_read+0x10/0x10 [ 637.828028][ T8691] ? gfs2_dhash+0x59/0xb0 [ 637.828051][ T8691] ? lookup_fast+0x192/0x5b0 [ 637.828073][ T8691] lookup_slow+0x53/0x70 [ 637.828093][ T8691] walk_component+0x2d2/0x400 [ 637.828109][ T8691] ? path_lookupat+0x156/0x430 [ 637.828130][ T8691] path_lookupat+0x163/0x430 [ 637.828156][ T8691] filename_lookup+0x212/0x570 [ 637.828172][ T8691] ? __x64_sys_newstat+0xcc/0x170 [ 637.828189][ T8691] ? do_syscall_64+0xfa/0x3b0 [ 637.828212][ T8691] ? __pfx_filename_lookup+0x10/0x10 [ 637.828255][ T8691] ? __might_fault+0xb0/0x130 [ 637.828291][ T8691] vfs_statx+0xf8/0x550 [ 637.828321][ T8691] ? __pfx_vfs_statx+0x10/0x10 [ 637.828348][ T8691] ? getname_flags+0x1e5/0x540 [ 637.828376][ T8691] __x64_sys_newstat+0xea/0x170 [ 637.828395][ T8691] ? __pfx___x64_sys_newstat+0x10/0x10 [ 637.828411][ T8691] ? rcu_is_watching+0x15/0xb0 [ 637.828455][ T8691] ? rcu_is_watching+0x15/0xb0 [ 637.828485][ T8691] ? do_syscall_64+0xbe/0x3b0 [ 637.828506][ T8691] do_syscall_64+0xfa/0x3b0 [ 637.828521][ T8691] ? lockdep_hardirqs_on+0x9c/0x150 [ 637.828545][ T8691] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 637.828563][ T8691] ? clear_bhb_loop+0x60/0xb0 [ 637.828585][ T8691] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 637.828603][ T8691] RIP: 0033:0x7f63069e67b9 [ 637.828619][ T8691] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 637.828636][ T8691] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 637.828654][ T8691] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 637.828668][ T8691] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 637.828680][ T8691] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 637.828693][ T8691] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 637.828705][ T8691] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 637.828736][ T8691] executing program [ 638.649020][ T8696] loop0: detected capacity change from 0 to 32768 [ 638.664579][ T8696] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 638.664599][ T8696] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 638.697686][ T8696] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 638.700158][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 638.700178][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 638.812354][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 112ms [ 638.812570][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 638.812718][ T8696] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 638.837780][ T8696] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 638.837803][ T8696] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 638.837831][ T8696] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 638.837860][ T8696] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8696 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 638.837897][ T8696] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 638.837918][ T8696] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 638.837934][ T8696] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 638.837945][ T8696] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 638.838188][ T8696] gfs2: fsid=syz:syz.0: File system withdrawn [ 638.838204][ T8696] CPU: 0 UID: 0 PID: 8696 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 638.838225][ T8696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 638.838235][ T8696] Call Trace: [ 638.838243][ T8696] [ 638.838251][ T8696] dump_stack_lvl+0x189/0x250 [ 638.838277][ T8696] ? kobject_uevent_env+0x36e/0x8c0 [ 638.838300][ T8696] ? __pfx_dump_stack_lvl+0x10/0x10 [ 638.838324][ T8696] ? __pfx__printk+0x10/0x10 [ 638.838344][ T8696] ? kobject_uevent_env+0x36e/0x8c0 [ 638.838373][ T8696] gfs2_withdraw+0xb30/0x1430 [ 638.838412][ T8696] ? __pfx_gfs2_withdraw+0x10/0x10 [ 638.838437][ T8696] ? __pfx__printk+0x10/0x10 [ 638.838463][ T8696] ? gfs2_consist_inode_i+0xf5/0x110 [ 638.838488][ T8696] gfs2_dirent_scan+0x545/0x690 [ 638.838514][ T8696] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 638.838536][ T8696] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 638.838558][ T8696] gfs2_dirent_search+0x2e0/0x7e0 [ 638.838583][ T8696] ? gfs2_permission+0x370/0x440 [ 638.838606][ T8696] ? __pfx___might_resched+0x10/0x10 [ 638.838636][ T8696] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 638.838658][ T8696] ? __pfx_gfs2_permission+0x10/0x10 [ 638.838694][ T8696] gfs2_dir_search+0x4c/0x220 [ 638.838721][ T8696] gfs2_lookupi+0x3dc/0x5a0 [ 638.838749][ T8696] ? __pfx_gfs2_lookupi+0x10/0x10 [ 638.838769][ T8696] ? d_alloc_parallel+0x14c5/0x1600 [ 638.838793][ T8696] ? __gfs2_lookup+0x8f/0x270 [ 638.838821][ T8696] ? d_alloc_parallel+0x2f0/0x1600 [ 638.838844][ T8696] __gfs2_lookup+0x8f/0x270 [ 638.838870][ T8696] ? __pfx___gfs2_lookup+0x10/0x10 [ 638.838900][ T8696] ? __rt_spin_lock_init+0x3e/0x50 [ 638.838921][ T8696] ? __init_waitqueue_head+0xae/0x160 [ 638.838948][ T8696] __lookup_slow+0x29a/0x3d0 [ 638.838970][ T8696] ? __pfx___lookup_slow+0x10/0x10 [ 638.839004][ T8696] ? down_read+0x181/0x1f0 [ 638.839022][ T8696] ? __pfx_down_read+0x10/0x10 [ 638.839039][ T8696] ? gfs2_dhash+0x59/0xb0 [ 638.839061][ T8696] ? lookup_fast+0x192/0x5b0 [ 638.839083][ T8696] lookup_slow+0x53/0x70 [ 638.839103][ T8696] walk_component+0x2d2/0x400 [ 638.839118][ T8696] ? path_lookupat+0x156/0x430 [ 638.839139][ T8696] path_lookupat+0x163/0x430 [ 638.839164][ T8696] filename_lookup+0x212/0x570 [ 638.839180][ T8696] ? __x64_sys_newstat+0xcc/0x170 [ 638.839196][ T8696] ? do_syscall_64+0xfa/0x3b0 [ 638.839219][ T8696] ? __pfx_filename_lookup+0x10/0x10 [ 638.839263][ T8696] ? __might_fault+0xb0/0x130 [ 638.839300][ T8696] vfs_statx+0xf8/0x550 [ 638.839330][ T8696] ? __pfx_vfs_statx+0x10/0x10 [ 638.839356][ T8696] ? getname_flags+0x1e5/0x540 [ 638.839385][ T8696] __x64_sys_newstat+0xea/0x170 [ 638.839402][ T8696] ? __pfx___x64_sys_newstat+0x10/0x10 [ 638.839418][ T8696] ? rcu_is_watching+0x15/0xb0 [ 638.839463][ T8696] ? rcu_is_watching+0x15/0xb0 [ 638.839489][ T8696] ? do_syscall_64+0xbe/0x3b0 [ 638.839507][ T8696] do_syscall_64+0xfa/0x3b0 [ 638.839521][ T8696] ? lockdep_hardirqs_on+0x9c/0x150 [ 638.839543][ T8696] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 638.839561][ T8696] ? clear_bhb_loop+0x60/0xb0 [ 638.839579][ T8696] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 638.839595][ T8696] RIP: 0033:0x7f63069e67b9 [ 638.839619][ T8696] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 executing program [ 638.839633][ T8696] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 638.839654][ T8696] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 638.839668][ T8696] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 638.839680][ T8696] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 638.839692][ T8696] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 638.839704][ T8696] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 638.839732][ T8696] [ 639.577327][ T8700] loop0: detected capacity change from 0 to 32768 [ 639.597173][ T8700] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 639.597191][ T8700] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 639.638793][ T8700] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 639.641500][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 639.641518][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 639.761346][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 119ms [ 639.761582][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 639.761668][ T8700] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 639.788469][ T8700] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 639.788491][ T8700] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 639.788516][ T8700] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 639.788544][ T8700] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8700 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 639.788758][ T8700] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 639.788781][ T8700] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 639.788797][ T8700] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 639.788809][ T8700] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 639.789054][ T8700] gfs2: fsid=syz:syz.0: File system withdrawn [ 639.789069][ T8700] CPU: 0 UID: 0 PID: 8700 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 639.789089][ T8700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 639.789100][ T8700] Call Trace: [ 639.789108][ T8700] [ 639.789116][ T8700] dump_stack_lvl+0x189/0x250 [ 639.789141][ T8700] ? kobject_uevent_env+0x36e/0x8c0 [ 639.789164][ T8700] ? __pfx_dump_stack_lvl+0x10/0x10 [ 639.789186][ T8700] ? __pfx__printk+0x10/0x10 [ 639.789204][ T8700] ? kobject_uevent_env+0x36e/0x8c0 [ 639.789233][ T8700] gfs2_withdraw+0xb30/0x1430 [ 639.789280][ T8700] ? __pfx_gfs2_withdraw+0x10/0x10 [ 639.789306][ T8700] ? __pfx__printk+0x10/0x10 [ 639.789337][ T8700] ? gfs2_consist_inode_i+0xf5/0x110 [ 639.789363][ T8700] gfs2_dirent_scan+0x545/0x690 [ 639.789388][ T8700] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 639.789410][ T8700] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 639.789431][ T8700] gfs2_dirent_search+0x2e0/0x7e0 [ 639.789455][ T8700] ? gfs2_permission+0x370/0x440 [ 639.789477][ T8700] ? __pfx___might_resched+0x10/0x10 [ 639.789498][ T8700] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 639.789520][ T8700] ? __pfx_gfs2_permission+0x10/0x10 [ 639.789552][ T8700] gfs2_dir_search+0x4c/0x220 [ 639.789586][ T8700] gfs2_lookupi+0x3dc/0x5a0 [ 639.789614][ T8700] ? __pfx_gfs2_lookupi+0x10/0x10 [ 639.789635][ T8700] ? d_alloc_parallel+0x14c5/0x1600 [ 639.789658][ T8700] ? __gfs2_lookup+0x8f/0x270 [ 639.789685][ T8700] ? d_alloc_parallel+0x2f0/0x1600 [ 639.789707][ T8700] __gfs2_lookup+0x8f/0x270 [ 639.789733][ T8700] ? __pfx___gfs2_lookup+0x10/0x10 [ 639.789766][ T8700] ? __rt_spin_lock_init+0x3e/0x50 [ 639.789788][ T8700] ? __init_waitqueue_head+0xae/0x160 [ 639.789814][ T8700] __lookup_slow+0x29a/0x3d0 [ 639.789834][ T8700] ? __pfx___lookup_slow+0x10/0x10 [ 639.789862][ T8700] ? down_read+0x181/0x1f0 [ 639.789879][ T8700] ? __pfx_down_read+0x10/0x10 [ 639.789895][ T8700] ? gfs2_dhash+0x59/0xb0 [ 639.789917][ T8700] ? lookup_fast+0x192/0x5b0 [ 639.789939][ T8700] lookup_slow+0x53/0x70 [ 639.789960][ T8700] walk_component+0x2d2/0x400 [ 639.789976][ T8700] ? path_lookupat+0x156/0x430 [ 639.789997][ T8700] path_lookupat+0x163/0x430 [ 639.790023][ T8700] filename_lookup+0x212/0x570 [ 639.790040][ T8700] ? __x64_sys_newstat+0xcc/0x170 [ 639.790056][ T8700] ? do_syscall_64+0xfa/0x3b0 [ 639.790079][ T8700] ? __pfx_filename_lookup+0x10/0x10 [ 639.790124][ T8700] ? __might_fault+0xb0/0x130 [ 639.790161][ T8700] vfs_statx+0xf8/0x550 [ 639.790191][ T8700] ? __pfx_vfs_statx+0x10/0x10 [ 639.790219][ T8700] ? getname_flags+0x1e5/0x540 [ 639.790247][ T8700] __x64_sys_newstat+0xea/0x170 [ 639.790266][ T8700] ? __pfx___x64_sys_newstat+0x10/0x10 [ 639.790282][ T8700] ? rcu_is_watching+0x15/0xb0 [ 639.790326][ T8700] ? rcu_is_watching+0x15/0xb0 [ 639.790355][ T8700] ? do_syscall_64+0xbe/0x3b0 [ 639.790377][ T8700] do_syscall_64+0xfa/0x3b0 [ 639.790394][ T8700] ? lockdep_hardirqs_on+0x9c/0x150 [ 639.790419][ T8700] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 639.790437][ T8700] ? clear_bhb_loop+0x60/0xb0 [ 639.790459][ T8700] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 639.790477][ T8700] RIP: 0033:0x7f63069e67b9 [ 639.790495][ T8700] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 639.790511][ T8700] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 639.790532][ T8700] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 639.790547][ T8700] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 639.790559][ T8700] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 639.790572][ T8700] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 639.790590][ T8700] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 639.790621][ T8700] executing program [ 640.668858][ T8706] loop0: detected capacity change from 0 to 32768 [ 640.697551][ T8706] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 640.697571][ T8706] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 640.712251][ T8706] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 640.714530][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 640.714558][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 640.814279][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 99ms [ 640.814531][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 640.814623][ T8706] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 640.842521][ T8706] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 640.842543][ T8706] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 640.842570][ T8706] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 640.842598][ T8706] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8706 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 640.842636][ T8706] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 640.842657][ T8706] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 640.842673][ T8706] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 640.842684][ T8706] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 640.842932][ T8706] gfs2: fsid=syz:syz.0: File system withdrawn [ 640.842948][ T8706] CPU: 0 UID: 0 PID: 8706 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 640.842966][ T8706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 640.842976][ T8706] Call Trace: [ 640.842983][ T8706] [ 640.842990][ T8706] dump_stack_lvl+0x189/0x250 [ 640.843015][ T8706] ? kobject_uevent_env+0x36e/0x8c0 [ 640.843037][ T8706] ? __pfx_dump_stack_lvl+0x10/0x10 [ 640.843059][ T8706] ? __pfx__printk+0x10/0x10 [ 640.843077][ T8706] ? kobject_uevent_env+0x36e/0x8c0 [ 640.843107][ T8706] gfs2_withdraw+0xb30/0x1430 [ 640.843143][ T8706] ? __pfx_gfs2_withdraw+0x10/0x10 [ 640.843168][ T8706] ? __pfx__printk+0x10/0x10 [ 640.843191][ T8706] ? gfs2_consist_inode_i+0xf5/0x110 [ 640.843214][ T8706] gfs2_dirent_scan+0x545/0x690 [ 640.843237][ T8706] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 640.843258][ T8706] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 640.843277][ T8706] gfs2_dirent_search+0x2e0/0x7e0 [ 640.843302][ T8706] ? gfs2_permission+0x370/0x440 [ 640.843323][ T8706] ? __pfx___might_resched+0x10/0x10 [ 640.843343][ T8706] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 640.843364][ T8706] ? __pfx_gfs2_permission+0x10/0x10 [ 640.843396][ T8706] gfs2_dir_search+0x4c/0x220 [ 640.843423][ T8706] gfs2_lookupi+0x3dc/0x5a0 [ 640.843451][ T8706] ? __pfx_gfs2_lookupi+0x10/0x10 [ 640.843470][ T8706] ? d_alloc_parallel+0x14c5/0x1600 [ 640.843489][ T8706] ? __gfs2_lookup+0x8f/0x270 [ 640.843525][ T8706] ? d_alloc_parallel+0x2f0/0x1600 [ 640.843547][ T8706] __gfs2_lookup+0x8f/0x270 [ 640.843573][ T8706] ? __pfx___gfs2_lookup+0x10/0x10 [ 640.843602][ T8706] ? __rt_spin_lock_init+0x3e/0x50 [ 640.843623][ T8706] ? __init_waitqueue_head+0xae/0x160 [ 640.843649][ T8706] __lookup_slow+0x29a/0x3d0 [ 640.843671][ T8706] ? __pfx___lookup_slow+0x10/0x10 [ 640.843703][ T8706] ? down_read+0x181/0x1f0 [ 640.843721][ T8706] ? __pfx_down_read+0x10/0x10 [ 640.843737][ T8706] ? gfs2_dhash+0x59/0xb0 [ 640.843759][ T8706] ? lookup_fast+0x192/0x5b0 [ 640.843781][ T8706] lookup_slow+0x53/0x70 [ 640.843801][ T8706] walk_component+0x2d2/0x400 [ 640.843818][ T8706] ? path_lookupat+0x156/0x430 [ 640.843837][ T8706] path_lookupat+0x163/0x430 [ 640.843860][ T8706] filename_lookup+0x212/0x570 [ 640.843876][ T8706] ? __x64_sys_newstat+0xcc/0x170 [ 640.843892][ T8706] ? do_syscall_64+0xfa/0x3b0 [ 640.843915][ T8706] ? __pfx_filename_lookup+0x10/0x10 [ 640.843957][ T8706] ? __might_fault+0xb0/0x130 [ 640.843991][ T8706] vfs_statx+0xf8/0x550 [ 640.844018][ T8706] ? __pfx_vfs_statx+0x10/0x10 [ 640.844044][ T8706] ? getname_flags+0x1e5/0x540 [ 640.844072][ T8706] __x64_sys_newstat+0xea/0x170 [ 640.844090][ T8706] ? __pfx___x64_sys_newstat+0x10/0x10 [ 640.844106][ T8706] ? rcu_is_watching+0x15/0xb0 [ 640.844150][ T8706] ? rcu_is_watching+0x15/0xb0 [ 640.844179][ T8706] ? do_syscall_64+0xbe/0x3b0 [ 640.844201][ T8706] do_syscall_64+0xfa/0x3b0 [ 640.844217][ T8706] ? lockdep_hardirqs_on+0x9c/0x150 [ 640.844242][ T8706] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 640.844260][ T8706] ? clear_bhb_loop+0x60/0xb0 [ 640.844282][ T8706] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 640.844300][ T8706] RIP: 0033:0x7f63069e67b9 [ 640.844316][ T8706] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 640.844331][ T8706] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 640.844352][ T8706] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 640.844365][ T8706] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 640.844377][ T8706] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 640.844388][ T8706] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc executing program [ 640.844399][ T8706] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 640.844429][ T8706] [ 641.617969][ T8712] loop0: detected capacity change from 0 to 32768 [ 641.624557][ T8712] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 641.624575][ T8712] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 641.662567][ T8712] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 641.673767][ T5868] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 641.673787][ T5868] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 641.778688][ T5868] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 104ms [ 641.778922][ T5868] gfs2: fsid=syz:syz.0: jid=0: Done [ 641.779017][ T8712] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 641.812109][ T8712] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 641.812133][ T8712] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 641.812161][ T8712] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 641.812191][ T8712] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8712 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 641.812225][ T8712] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 641.812246][ T8712] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 641.812262][ T8712] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 641.812273][ T8712] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 641.812508][ T8712] gfs2: fsid=syz:syz.0: File system withdrawn [ 641.812522][ T8712] CPU: 1 UID: 0 PID: 8712 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 641.812542][ T8712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 641.812553][ T8712] Call Trace: [ 641.812561][ T8712] [ 641.812569][ T8712] dump_stack_lvl+0x189/0x250 [ 641.812593][ T8712] ? kobject_uevent_env+0x36e/0x8c0 [ 641.812617][ T8712] ? __pfx_dump_stack_lvl+0x10/0x10 [ 641.812640][ T8712] ? __pfx__printk+0x10/0x10 [ 641.812660][ T8712] ? kobject_uevent_env+0x36e/0x8c0 [ 641.812694][ T8712] gfs2_withdraw+0xb30/0x1430 [ 641.812730][ T8712] ? __pfx_gfs2_withdraw+0x10/0x10 [ 641.812753][ T8712] ? __pfx__printk+0x10/0x10 [ 641.812777][ T8712] ? gfs2_consist_inode_i+0xf5/0x110 [ 641.812802][ T8712] gfs2_dirent_scan+0x545/0x690 [ 641.812826][ T8712] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 641.812848][ T8712] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 641.812870][ T8712] gfs2_dirent_search+0x2e0/0x7e0 [ 641.812896][ T8712] ? gfs2_permission+0x370/0x440 [ 641.812919][ T8712] ? __pfx___might_resched+0x10/0x10 [ 641.812941][ T8712] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 641.812962][ T8712] ? __pfx_gfs2_permission+0x10/0x10 [ 641.812994][ T8712] gfs2_dir_search+0x4c/0x220 [ 641.813023][ T8712] gfs2_lookupi+0x3dc/0x5a0 [ 641.813051][ T8712] ? __pfx_gfs2_lookupi+0x10/0x10 [ 641.813068][ T8712] ? d_alloc_parallel+0x14c5/0x1600 [ 641.813090][ T8712] ? __gfs2_lookup+0x8f/0x270 [ 641.813125][ T8712] ? d_alloc_parallel+0x2f0/0x1600 [ 641.813145][ T8712] __gfs2_lookup+0x8f/0x270 [ 641.813171][ T8712] ? __pfx___gfs2_lookup+0x10/0x10 [ 641.813199][ T8712] ? __rt_spin_lock_init+0x3e/0x50 [ 641.813220][ T8712] ? __init_waitqueue_head+0xae/0x160 [ 641.813246][ T8712] __lookup_slow+0x29a/0x3d0 [ 641.813268][ T8712] ? __pfx___lookup_slow+0x10/0x10 [ 641.813301][ T8712] ? down_read+0x181/0x1f0 [ 641.813320][ T8712] ? __pfx_down_read+0x10/0x10 [ 641.813336][ T8712] ? gfs2_dhash+0x59/0xb0 [ 641.813358][ T8712] ? lookup_fast+0x192/0x5b0 [ 641.813380][ T8712] lookup_slow+0x53/0x70 [ 641.813399][ T8712] walk_component+0x2d2/0x400 [ 641.813415][ T8712] ? path_lookupat+0x156/0x430 [ 641.813434][ T8712] path_lookupat+0x163/0x430 [ 641.813458][ T8712] filename_lookup+0x212/0x570 [ 641.813474][ T8712] ? __x64_sys_newstat+0xcc/0x170 [ 641.813490][ T8712] ? do_syscall_64+0xfa/0x3b0 [ 641.813513][ T8712] ? __pfx_filename_lookup+0x10/0x10 [ 641.813554][ T8712] ? __might_fault+0xb0/0x130 [ 641.813591][ T8712] vfs_statx+0xf8/0x550 [ 641.813620][ T8712] ? __pfx_vfs_statx+0x10/0x10 [ 641.813647][ T8712] ? getname_flags+0x1e5/0x540 [ 641.813676][ T8712] __x64_sys_newstat+0xea/0x170 [ 641.813693][ T8712] ? __pfx___x64_sys_newstat+0x10/0x10 [ 641.813709][ T8712] ? rcu_is_watching+0x15/0xb0 [ 641.813755][ T8712] ? rcu_is_watching+0x15/0xb0 [ 641.813784][ T8712] ? do_syscall_64+0xbe/0x3b0 [ 641.813806][ T8712] do_syscall_64+0xfa/0x3b0 [ 641.813823][ T8712] ? lockdep_hardirqs_on+0x9c/0x150 [ 641.813848][ T8712] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 641.813865][ T8712] ? clear_bhb_loop+0x60/0xb0 [ 641.813887][ T8712] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 641.813902][ T8712] RIP: 0033:0x7f63069e67b9 [ 641.813920][ T8712] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 641.813936][ T8712] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 executing program [ 641.813957][ T8712] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 641.813978][ T8712] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 641.813991][ T8712] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 641.814003][ T8712] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 641.814016][ T8712] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 641.814048][ T8712] [ 642.550564][ T8717] loop0: detected capacity change from 0 to 32768 [ 642.564284][ T8717] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 642.564302][ T8717] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 642.593624][ T8717] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 642.609311][ T5904] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 642.609333][ T5904] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 642.687983][ T5904] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 78ms [ 642.688153][ T5904] gfs2: fsid=syz:syz.0: jid=0: Done [ 642.688261][ T8717] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 642.717425][ T8717] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 642.717440][ T8717] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 642.717458][ T8717] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 642.717475][ T8717] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8717 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 642.717498][ T8717] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 642.717510][ T8717] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 642.717520][ T8717] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 642.717526][ T8717] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 642.717732][ T8717] gfs2: fsid=syz:syz.0: File system withdrawn [ 642.717747][ T8717] CPU: 1 UID: 0 PID: 8717 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 642.717767][ T8717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 642.717777][ T8717] Call Trace: [ 642.717784][ T8717] [ 642.717793][ T8717] dump_stack_lvl+0x189/0x250 [ 642.717819][ T8717] ? kobject_uevent_env+0x36e/0x8c0 [ 642.717841][ T8717] ? __pfx_dump_stack_lvl+0x10/0x10 [ 642.717864][ T8717] ? __pfx__printk+0x10/0x10 [ 642.717882][ T8717] ? kobject_uevent_env+0x36e/0x8c0 [ 642.717911][ T8717] gfs2_withdraw+0xb30/0x1430 [ 642.717945][ T8717] ? __pfx_gfs2_withdraw+0x10/0x10 [ 642.717966][ T8717] ? __pfx__printk+0x10/0x10 [ 642.717998][ T8717] ? gfs2_consist_inode_i+0xf5/0x110 [ 642.718023][ T8717] gfs2_dirent_scan+0x545/0x690 [ 642.718048][ T8717] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 642.718069][ T8717] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 642.718091][ T8717] gfs2_dirent_search+0x2e0/0x7e0 [ 642.718116][ T8717] ? gfs2_permission+0x370/0x440 [ 642.718136][ T8717] ? __pfx___might_resched+0x10/0x10 [ 642.718157][ T8717] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 642.718177][ T8717] ? __pfx_gfs2_permission+0x10/0x10 [ 642.718208][ T8717] gfs2_dir_search+0x4c/0x220 [ 642.718234][ T8717] gfs2_lookupi+0x3dc/0x5a0 [ 642.718262][ T8717] ? __pfx_gfs2_lookupi+0x10/0x10 [ 642.718282][ T8717] ? d_alloc_parallel+0x14c5/0x1600 [ 642.718305][ T8717] ? __gfs2_lookup+0x8f/0x270 [ 642.718333][ T8717] ? d_alloc_parallel+0x2f0/0x1600 [ 642.718352][ T8717] __gfs2_lookup+0x8f/0x270 [ 642.718378][ T8717] ? __pfx___gfs2_lookup+0x10/0x10 [ 642.718407][ T8717] ? __rt_spin_lock_init+0x3e/0x50 [ 642.718427][ T8717] ? __init_waitqueue_head+0xae/0x160 [ 642.718452][ T8717] __lookup_slow+0x29a/0x3d0 [ 642.718473][ T8717] ? __pfx___lookup_slow+0x10/0x10 [ 642.718504][ T8717] ? down_read+0x181/0x1f0 [ 642.718519][ T8717] ? __pfx_down_read+0x10/0x10 [ 642.718535][ T8717] ? gfs2_dhash+0x59/0xb0 [ 642.718556][ T8717] ? lookup_fast+0x192/0x5b0 [ 642.718578][ T8717] lookup_slow+0x53/0x70 [ 642.718597][ T8717] walk_component+0x2d2/0x400 [ 642.718613][ T8717] ? path_lookupat+0x156/0x430 [ 642.718631][ T8717] path_lookupat+0x163/0x430 [ 642.718655][ T8717] filename_lookup+0x212/0x570 [ 642.718671][ T8717] ? __x64_sys_newstat+0xcc/0x170 [ 642.718688][ T8717] ? do_syscall_64+0xfa/0x3b0 [ 642.718711][ T8717] ? __pfx_filename_lookup+0x10/0x10 [ 642.718754][ T8717] ? __might_fault+0xb0/0x130 [ 642.718788][ T8717] vfs_statx+0xf8/0x550 [ 642.718815][ T8717] ? __pfx_vfs_statx+0x10/0x10 [ 642.718841][ T8717] ? getname_flags+0x1e5/0x540 [ 642.718869][ T8717] __x64_sys_newstat+0xea/0x170 [ 642.718886][ T8717] ? __pfx___x64_sys_newstat+0x10/0x10 [ 642.718900][ T8717] ? rcu_is_watching+0x15/0xb0 [ 642.718948][ T8717] ? do_syscall_64+0xbe/0x3b0 [ 642.718968][ T8717] do_syscall_64+0xfa/0x3b0 [ 642.718996][ T8717] ? lockdep_hardirqs_on+0x9c/0x150 [ 642.719019][ T8717] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 642.719037][ T8717] ? clear_bhb_loop+0x60/0xb0 [ 642.719060][ T8717] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 642.719077][ T8717] RIP: 0033:0x7f63069e67b9 [ 642.719094][ T8717] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 642.719110][ T8717] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 executing program [ 642.719131][ T8717] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 642.719145][ T8717] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 642.719158][ T8717] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 642.719170][ T8717] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 642.719182][ T8717] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 642.719214][ T8717] [ 643.477799][ T8721] loop0: detected capacity change from 0 to 32768 [ 643.497717][ T8721] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 643.497735][ T8721] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 643.522707][ T8721] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 643.535886][ T995] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 643.535906][ T995] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 643.646720][ T995] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 110ms [ 643.647207][ T995] gfs2: fsid=syz:syz.0: jid=0: Done [ 643.647289][ T8721] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 643.678538][ T8721] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 643.678553][ T8721] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 643.678570][ T8721] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 643.678586][ T8721] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8721 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 643.678610][ T8721] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 643.678622][ T8721] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 643.678631][ T8721] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 643.678637][ T8721] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 643.678824][ T8721] gfs2: fsid=syz:syz.0: File system withdrawn [ 643.678840][ T8721] CPU: 0 UID: 0 PID: 8721 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 643.678859][ T8721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 643.678870][ T8721] Call Trace: [ 643.678878][ T8721] [ 643.678885][ T8721] dump_stack_lvl+0x189/0x250 [ 643.678908][ T8721] ? kobject_uevent_env+0x36e/0x8c0 [ 643.678930][ T8721] ? __pfx_dump_stack_lvl+0x10/0x10 [ 643.678953][ T8721] ? __pfx__printk+0x10/0x10 [ 643.678973][ T8721] ? kobject_uevent_env+0x36e/0x8c0 [ 643.679001][ T8721] gfs2_withdraw+0xb30/0x1430 [ 643.679038][ T8721] ? __pfx_gfs2_withdraw+0x10/0x10 [ 643.679062][ T8721] ? __pfx__printk+0x10/0x10 [ 643.679088][ T8721] ? gfs2_consist_inode_i+0xf5/0x110 [ 643.679113][ T8721] gfs2_dirent_scan+0x545/0x690 [ 643.679136][ T8721] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 643.679158][ T8721] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 643.679185][ T8721] gfs2_dirent_search+0x2e0/0x7e0 [ 643.679209][ T8721] ? gfs2_permission+0x370/0x440 [ 643.679230][ T8721] ? __pfx___might_resched+0x10/0x10 [ 643.679251][ T8721] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 643.679274][ T8721] ? __pfx_gfs2_permission+0x10/0x10 [ 643.679305][ T8721] gfs2_dir_search+0x4c/0x220 [ 643.679331][ T8721] gfs2_lookupi+0x3dc/0x5a0 [ 643.679357][ T8721] ? __pfx_gfs2_lookupi+0x10/0x10 [ 643.679377][ T8721] ? d_alloc_parallel+0x14c5/0x1600 [ 643.679399][ T8721] ? __gfs2_lookup+0x8f/0x270 [ 643.679428][ T8721] ? d_alloc_parallel+0x2f0/0x1600 [ 643.679448][ T8721] __gfs2_lookup+0x8f/0x270 [ 643.679474][ T8721] ? __pfx___gfs2_lookup+0x10/0x10 [ 643.679504][ T8721] ? __rt_spin_lock_init+0x3e/0x50 [ 643.679524][ T8721] ? __init_waitqueue_head+0xae/0x160 [ 643.679550][ T8721] __lookup_slow+0x29a/0x3d0 [ 643.679572][ T8721] ? __pfx___lookup_slow+0x10/0x10 [ 643.679604][ T8721] ? down_read+0x181/0x1f0 [ 643.679620][ T8721] ? __pfx_down_read+0x10/0x10 [ 643.679635][ T8721] ? gfs2_dhash+0x59/0xb0 [ 643.679658][ T8721] ? lookup_fast+0x192/0x5b0 [ 643.679680][ T8721] lookup_slow+0x53/0x70 [ 643.679700][ T8721] walk_component+0x2d2/0x400 [ 643.679716][ T8721] ? path_lookupat+0x156/0x430 [ 643.679734][ T8721] path_lookupat+0x163/0x430 [ 643.679760][ T8721] filename_lookup+0x212/0x570 [ 643.679774][ T8721] ? __x64_sys_newstat+0xcc/0x170 [ 643.679789][ T8721] ? do_syscall_64+0xfa/0x3b0 [ 643.679812][ T8721] ? __pfx_filename_lookup+0x10/0x10 [ 643.679867][ T8721] ? __might_fault+0xb0/0x130 [ 643.679902][ T8721] vfs_statx+0xf8/0x550 [ 643.679935][ T8721] ? __pfx_vfs_statx+0x10/0x10 [ 643.679961][ T8721] ? getname_flags+0x1e5/0x540 [ 643.679989][ T8721] __x64_sys_newstat+0xea/0x170 [ 643.680006][ T8721] ? __pfx___x64_sys_newstat+0x10/0x10 [ 643.680021][ T8721] ? rcu_is_watching+0x15/0xb0 [ 643.680067][ T8721] ? rcu_is_watching+0x15/0xb0 [ 643.680096][ T8721] ? do_syscall_64+0xbe/0x3b0 [ 643.680117][ T8721] do_syscall_64+0xfa/0x3b0 [ 643.680134][ T8721] ? lockdep_hardirqs_on+0x9c/0x150 [ 643.680158][ T8721] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 643.680182][ T8721] ? clear_bhb_loop+0x60/0xb0 [ 643.680204][ T8721] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 643.680222][ T8721] RIP: 0033:0x7f63069e67b9 [ 643.680239][ T8721] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 1f 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 643.680255][ T8721] RSP: 002b:00007f6306991218 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 executing program [ 643.680276][ T8721] RAX: ffffffffffffffda RBX: 00007f6306a7a6c8 RCX: 00007f63069e67b9 [ 643.680291][ T8721] RDX: 00007f63069e67b9 RSI: 0000000000000000 RDI: 0000000020000040 [ 643.680304][ T8721] RBP: 00007f6306a7a6c0 R08: 0000000000000000 R09: 0000000000000000 [ 643.680316][ T8721] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6306a7a6cc [ 643.680329][ T8721] R13: 0030656c69662f2e R14: 00007f6306a343e0 R15: 7265646e69622f2e [ 643.680361][ T8721] [ 644.449821][ T8725] loop0: detected capacity change from 0 to 32768 [ 644.460167][ T8725] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 644.460186][ T8725] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 644.488811][ T8725] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 1ms [ 644.494091][ T995] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 644.494110][ T995] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed [ 644.618170][ T995] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 124ms [ 644.620982][ T995] gfs2: fsid=syz:syz.0: jid=0: Done [ 644.621034][ T8725] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 644.648916][ T8725] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 644.648939][ T8725] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 12 2341, function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 590 [ 644.648967][ T8725] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:aqob t:SH d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 644.649124][ T8725] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:8725 [syz-executor247] __gfs2_lookup+0x8f/0x270 [ 644.649162][ T8725] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 644.649183][ T8725] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 644.649196][ T8725] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 644.649207][ T8725] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 644.649436][ T8725] gfs2: fsid=syz:syz.0: File system withdrawn [ 644.649451][ T8725] CPU: 0 UID: 0 PID: 8725 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 644.649470][ T8725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 644.649481][ T8725] Call Trace: [ 644.649490][ T8725] [ 644.649498][ T8725] dump_stack_lvl+0x189/0x250 [ 644.649523][ T8725] ? kobject_uevent_env+0x36e/0x8c0 [ 644.649546][ T8725] ? __pfx_dump_stack_lvl+0x10/0x10 [ 644.649570][ T8725] ? __pfx__printk+0x10/0x10 [ 644.649591][ T8725] ? kobject_uevent_env+0x36e/0x8c0 [ 644.649619][ T8725] gfs2_withdraw+0xb30/0x1430 [ 644.649658][ T8725] ? __pfx_gfs2_withdraw+0x10/0x10 [ 644.649683][ T8725] ? __pfx__printk+0x10/0x10 [ 644.649709][ T8725] ? gfs2_consist_inode_i+0xf5/0x110 [ 644.649734][ T8725] gfs2_dirent_scan+0x545/0x690 [ 644.649759][ T8725] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 644.649782][ T8725] ? __pfx_gfs2_dirent_find+0x10/0x10 [ 644.649803][ T8725] gfs2_dirent_search+0x2e0/0x7e0 [ 644.649826][ T8725] ? gfs2_permission+0x370/0x440 [ 644.649847][ T8725] ? __pfx___might_resched+0x10/0x10 [ 644.649868][ T8725] ? __pfx_gfs2_dirent_search+0x10/0x10 [ 644.649889][ T8725] ? __pfx_gfs2_permission+0x10/0x10 [ 644.649918][ T8725] gfs2_dir_search+0x4c/0x220 [ 644.649945][ T8725] gfs2_lookupi+0x3dc/0x5a0 [ 644.649972][ T8725] ? __pfx_gfs2_lookupi+0x10/0x10 [ 644.649993][ T8725] ? d_alloc_parallel+0x14c5/0x1600 [ 644.650013][ T8725] ? __gfs2_lookup+0x8f/0x270 [ 644.650042][ T8725] ? d_alloc_parallel+0x2f0/0x1600 [ 644.650064][ T8725] __gfs2_lookup+0x8f/0x270 [ 644.650099][ T8725] ? __pfx___gfs2_lookup+0x10/0x10 [ 644.650129][ T8725] ? __rt_spin_lock_init+0x3e/0x50 [ 644.650150][ T8725] ? __init_waitqueue_head+0xae/0x160 [ 644.650180][ T8725] __lookup_slow+0x29a/0x3d0 [ 644.650203][ T8725] ? __pfx___lookup_slow+0x10/0x10 [ 644.650235][ T8725] ? down_read+0x181/0x1f0 [ 644.650254][ T8725] ? __pfx_down_read+0x10/0x10