2 [ 156.010727][ T5993] RIP: 0033:0x7fec8538e9a9 [ 156.015135][ T5993] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 156.034733][ T5993] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 156.043142][ T5993] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 156.051120][ T5993] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 156.059526][ T5993] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 156.067494][ T5993] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 156.075460][ T5993] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 156.083437][ T5993] [ 156.425426][ T5997] loop0: detected capacity change from 0 to 32768 [ 156.439891][ T5997] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 156.455602][ T5997] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 156.471421][ T5997] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 156.480729][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 156.489977][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 156.553179][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 63ms [ 156.562796][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 156.568371][ T5997] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 156.581440][ T5997] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 156.602369][ T5997] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 156.602369][ T5997] inode = 12 2341 [ 156.602369][ T5997] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 156.621951][ T5997] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 156.631242][ T5997] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:5997 [syz.0.26] __gfs2_lookup+0x90/0x270 [ 156.644343][ T5999] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 156.654041][ T5997] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:5999 [syz.0.26] __gfs2_lookup+0x90/0x270 [ 156.663960][ T5999] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 156.663960][ T5999] inode = 12 2341 [ 156.663960][ T5999] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 156.682382][ T5997] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 156.683945][ T5999] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 156.691023][ T5997] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 156.701425][ T5999] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:5997 [syz.0.26] __gfs2_lookup+0x90/0x270 [ 156.707394][ T5997] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 156.717716][ T5999] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:5999 [syz.0.26] __gfs2_lookup+0x90/0x270 [ 156.729397][ T5997] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 156.735557][ T5999] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 156.751129][ T5997] gfs2: fsid=syz:syz.0: File system withdrawn [ 156.757352][ T5997] CPU: 1 PID: 5997 Comm: syz.0.26 Not tainted 6.6.100-syzkaller #0 [ 156.765247][ T5997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 156.775290][ T5997] Call Trace: [ 156.778559][ T5997] [ 156.781478][ T5997] dump_stack_lvl+0x16c/0x230 [ 156.786149][ T5997] ? kobject_uevent_env+0x363/0x8c0 [ 156.791337][ T5997] ? show_regs_print_info+0x20/0x20 [ 156.796522][ T5997] ? load_image+0x3b0/0x3b0 [ 156.801015][ T5997] ? kobject_uevent_env+0x363/0x8c0 [ 156.806211][ T5997] gfs2_withdraw+0xf16/0x14b0 [ 156.810894][ T5997] ? gfs2_lm+0x220/0x220 [ 156.815127][ T5997] ? load_image+0x3b0/0x3b0 [ 156.819635][ T5997] ? gfs2_consist_inode_i+0xf5/0x110 [ 156.824921][ T5997] gfs2_dirent_scan+0x525/0x650 [ 156.829762][ T5997] ? gfs2_dirent_search+0x7e0/0x7e0 [ 156.834946][ T5997] ? gfs2_dirent_search+0x7e0/0x7e0 [ 156.840134][ T5997] gfs2_dirent_search+0x2e1/0x7e0 [ 156.845145][ T5997] ? gfs2_permission+0x370/0x430 [ 156.850072][ T5997] ? __might_sleep+0xe0/0xe0 [ 156.854652][ T5997] ? gfs2_dir_search+0x220/0x220 [ 156.859578][ T5997] ? gfs2_lookupi+0x5a0/0x5a0 [ 156.864254][ T5997] ? do_raw_spin_lock+0x121/0x2c0 [ 156.869309][ T5997] gfs2_dir_search+0x4d/0x220 [ 156.873998][ T5997] gfs2_lookupi+0x3d9/0x5a0 [ 156.878497][ T5997] ? gfs2_lookup_meta+0x170/0x170 [ 156.883507][ T5997] ? d_alloc_parallel+0x1373/0x1480 [ 156.888697][ T5997] ? __gfs2_lookup+0x90/0x270 [ 156.893381][ T5997] ? d_alloc_parallel+0x2d8/0x1480 [ 156.898495][ T5997] __gfs2_lookup+0x90/0x270 [ 156.903010][ T5997] ? lockdep_softirqs_off+0x430/0x430 [ 156.908373][ T5997] ? gfs2_atomic_open+0x220/0x220 [ 156.913493][ T5997] ? __init_waitqueue_head+0xa9/0x150 [ 156.918860][ T5997] __lookup_slow+0x281/0x3b0 [ 156.923454][ T5997] ? lookup_one_len+0x2c0/0x2c0 [ 156.928314][ T5997] ? down_read+0x1ac/0x2e0 [ 156.932724][ T5997] lookup_slow+0x53/0x70 [ 156.936960][ T5997] walk_component+0x2be/0x3f0 [ 156.941629][ T5997] ? path_lookupat+0x15c/0x440 [ 156.946385][ T5997] path_lookupat+0x169/0x440 [ 156.950981][ T5997] filename_lookup+0x1f4/0x510 [ 156.955752][ T5997] ? __virt_addr_valid+0x18c/0x540 [ 156.960863][ T5997] ? hashlen_string+0x110/0x110 [ 156.965755][ T5997] ? strncpy_from_user+0x197/0x2e0 [ 156.970869][ T5997] ? getname_flags+0x20a/0x500 [ 156.975644][ T5997] user_path_at_empty+0x42/0x60 [ 156.980507][ T5997] __se_sys_mount+0x29b/0x3c0 [ 156.985176][ T5997] ? __x64_sys_mount+0xc0/0xc0 [ 156.989935][ T5997] ? lockdep_hardirqs_on+0x98/0x150 [ 156.995150][ T5997] ? __x64_sys_mount+0x20/0xc0 [ 156.999904][ T5997] do_syscall_64+0x55/0xb0 [ 157.004310][ T5997] ? clear_bhb_loop+0x40/0x90 [ 157.008977][ T5997] ? clear_bhb_loop+0x40/0x90 [ 157.013664][ T5997] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 157.019574][ T5997] RIP: 0033:0x7fec8538e9a9 [ 157.023978][ T5997] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 157.043572][ T5997] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 157.051975][ T5997] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 157.059944][ T5997] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 157.067904][ T5997] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 157.075865][ T5997] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 157.083825][ T5997] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 157.091792][ T5997] [ 157.436833][ T6001] loop0: detected capacity change from 0 to 32768 [ 157.452856][ T6001] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 157.461929][ T6001] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 157.475250][ T6001] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 157.485574][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 157.492493][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 157.541344][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 48ms [ 157.550503][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 157.556180][ T6001] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 157.569069][ T6001] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 157.579150][ T6001] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 157.579150][ T6001] inode = 12 2341 [ 157.579150][ T6001] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 157.598427][ T6001] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 157.607547][ T6001] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6001 [syz.0.27] __gfs2_lookup+0x90/0x270 [ 157.617338][ T6001] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 157.625854][ T6001] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 157.633114][ T6001] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 157.641871][ T6001] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 157.648494][ T6001] gfs2: fsid=syz:syz.0: File system withdrawn [ 157.654639][ T6001] CPU: 0 PID: 6001 Comm: syz.0.27 Not tainted 6.6.100-syzkaller #0 [ 157.662538][ T6001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 157.672591][ T6001] Call Trace: [ 157.675875][ T6001] [ 157.678804][ T6001] dump_stack_lvl+0x16c/0x230 [ 157.683481][ T6001] ? kobject_uevent_env+0x363/0x8c0 [ 157.688676][ T6001] ? show_regs_print_info+0x20/0x20 [ 157.693870][ T6001] ? load_image+0x3b0/0x3b0 [ 157.698376][ T6001] ? kobject_uevent_env+0x363/0x8c0 [ 157.703575][ T6001] gfs2_withdraw+0xf16/0x14b0 [ 157.708258][ T6001] ? gfs2_lm+0x220/0x220 [ 157.712503][ T6001] ? load_image+0x3b0/0x3b0 [ 157.717008][ T6001] ? gfs2_consist_inode_i+0xf5/0x110 [ 157.722295][ T6001] gfs2_dirent_scan+0x525/0x650 [ 157.727142][ T6001] ? gfs2_dirent_search+0x7e0/0x7e0 [ 157.732334][ T6001] ? gfs2_dirent_search+0x7e0/0x7e0 [ 157.737535][ T6001] gfs2_dirent_search+0x2e1/0x7e0 [ 157.742565][ T6001] ? gfs2_permission+0x370/0x430 [ 157.747497][ T6001] ? __might_sleep+0xe0/0xe0 [ 157.752083][ T6001] ? gfs2_dir_search+0x220/0x220 [ 157.757039][ T6001] ? gfs2_lookupi+0x5a0/0x5a0 [ 157.761721][ T6001] ? do_raw_spin_lock+0x121/0x2c0 [ 157.766747][ T6001] gfs2_dir_search+0x4d/0x220 [ 157.771418][ T6001] gfs2_lookupi+0x3d9/0x5a0 [ 157.775921][ T6001] ? gfs2_lookup_meta+0x170/0x170 [ 157.780936][ T6001] ? d_alloc_parallel+0x1373/0x1480 [ 157.786131][ T6001] ? __gfs2_lookup+0x90/0x270 [ 157.790808][ T6001] ? d_alloc_parallel+0x2d8/0x1480 [ 157.795916][ T6001] __gfs2_lookup+0x90/0x270 [ 157.800417][ T6001] ? lockdep_softirqs_off+0x430/0x430 [ 157.805779][ T6001] ? gfs2_atomic_open+0x220/0x220 [ 157.810803][ T6001] ? __init_waitqueue_head+0xa9/0x150 [ 157.816168][ T6001] __lookup_slow+0x281/0x3b0 [ 157.820757][ T6001] ? lookup_one_len+0x2c0/0x2c0 [ 157.825614][ T6001] ? down_read+0x1ac/0x2e0 [ 157.830027][ T6001] lookup_slow+0x53/0x70 [ 157.834266][ T6001] walk_component+0x2be/0x3f0 [ 157.838936][ T6001] ? path_lookupat+0x15c/0x440 [ 157.843697][ T6001] path_lookupat+0x169/0x440 [ 157.848299][ T6001] filename_lookup+0x1f4/0x510 [ 157.853057][ T6001] ? __virt_addr_valid+0x18c/0x540 [ 157.858169][ T6001] ? hashlen_string+0x110/0x110 [ 157.863042][ T6001] ? strncpy_from_user+0x197/0x2e0 [ 157.868151][ T6001] ? getname_flags+0x20a/0x500 [ 157.872916][ T6001] user_path_at_empty+0x42/0x60 [ 157.877767][ T6001] __se_sys_mount+0x29b/0x3c0 [ 157.882441][ T6001] ? __x64_sys_mount+0xc0/0xc0 [ 157.887197][ T6001] ? lockdep_hardirqs_on+0x98/0x150 [ 157.892389][ T6001] ? __x64_sys_mount+0x20/0xc0 [ 157.897145][ T6001] do_syscall_64+0x55/0xb0 [ 157.901553][ T6001] ? clear_bhb_loop+0x40/0x90 [ 157.906218][ T6001] ? clear_bhb_loop+0x40/0x90 [ 157.910891][ T6001] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 157.916778][ T6001] RIP: 0033:0x7fec8538e9a9 [ 157.921185][ T6001] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 157.940782][ T6001] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 157.949191][ T6001] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 157.957154][ T6001] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 157.965119][ T6001] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 157.973083][ T6001] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 157.981042][ T6001] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 157.989018][ T6001] 2025/07/25 14:35:36 executed programs: 14 [ 158.336379][ T6005] loop0: detected capacity change from 0 to 32768 [ 158.353474][ T6005] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 158.361669][ T6005] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 158.376322][ T6005] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 158.385647][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 158.393822][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 158.452721][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 58ms [ 158.460294][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 158.466170][ T6005] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 158.487915][ T6005] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 158.498069][ T6005] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 158.498069][ T6005] inode = 12 2341 [ 158.498069][ T6005] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 158.520807][ T6005] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 158.534010][ T6005] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6005 [syz.0.28] __gfs2_lookup+0x90/0x270 [ 158.543742][ T6005] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 158.555197][ T6005] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 158.562706][ T6005] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 158.571466][ T6005] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 158.579498][ T6005] gfs2: fsid=syz:syz.0: File system withdrawn [ 158.586068][ T6005] CPU: 0 PID: 6005 Comm: syz.0.28 Not tainted 6.6.100-syzkaller #0 [ 158.593960][ T6005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 158.604004][ T6005] Call Trace: [ 158.607278][ T6005] [ 158.610195][ T6005] dump_stack_lvl+0x16c/0x230 [ 158.614902][ T6005] ? kobject_uevent_env+0x363/0x8c0 [ 158.620091][ T6005] ? show_regs_print_info+0x20/0x20 [ 158.625275][ T6005] ? load_image+0x3b0/0x3b0 [ 158.629768][ T6005] ? kobject_uevent_env+0x363/0x8c0 [ 158.634973][ T6005] gfs2_withdraw+0xf16/0x14b0 [ 158.639648][ T6005] ? gfs2_lm+0x220/0x220 [ 158.643883][ T6005] ? load_image+0x3b0/0x3b0 [ 158.648382][ T6005] ? gfs2_consist_inode_i+0xf5/0x110 [ 158.653664][ T6005] gfs2_dirent_scan+0x525/0x650 [ 158.658761][ T6005] ? gfs2_dirent_search+0x7e0/0x7e0 [ 158.663945][ T6005] ? gfs2_dirent_search+0x7e0/0x7e0 [ 158.669128][ T6005] gfs2_dirent_search+0x2e1/0x7e0 [ 158.674139][ T6005] ? gfs2_permission+0x370/0x430 [ 158.679065][ T6005] ? __might_sleep+0xe0/0xe0 [ 158.683646][ T6005] ? gfs2_dir_search+0x220/0x220 [ 158.688583][ T6005] ? gfs2_lookupi+0x5a0/0x5a0 [ 158.693257][ T6005] ? do_raw_spin_lock+0x121/0x2c0 [ 158.698290][ T6005] gfs2_dir_search+0x4d/0x220 [ 158.702956][ T6005] gfs2_lookupi+0x3d9/0x5a0 [ 158.707450][ T6005] ? gfs2_lookup_meta+0x170/0x170 [ 158.712461][ T6005] ? d_alloc_parallel+0x1373/0x1480 [ 158.717658][ T6005] ? __gfs2_lookup+0x90/0x270 [ 158.722328][ T6005] ? d_alloc_parallel+0x2d8/0x1480 [ 158.727431][ T6005] __gfs2_lookup+0x90/0x270 [ 158.731930][ T6005] ? lockdep_softirqs_off+0x430/0x430 [ 158.737290][ T6005] ? gfs2_atomic_open+0x220/0x220 [ 158.742316][ T6005] ? __init_waitqueue_head+0xa9/0x150 [ 158.747691][ T6005] __lookup_slow+0x281/0x3b0 [ 158.752285][ T6005] ? lookup_one_len+0x2c0/0x2c0 [ 158.757141][ T6005] ? down_read+0x1ac/0x2e0 [ 158.761545][ T6005] lookup_slow+0x53/0x70 [ 158.765780][ T6005] walk_component+0x2be/0x3f0 [ 158.770445][ T6005] ? path_lookupat+0x15c/0x440 [ 158.775198][ T6005] path_lookupat+0x169/0x440 [ 158.779780][ T6005] filename_lookup+0x1f4/0x510 [ 158.784539][ T6005] ? __virt_addr_valid+0x18c/0x540 [ 158.789649][ T6005] ? hashlen_string+0x110/0x110 [ 158.794533][ T6005] ? strncpy_from_user+0x197/0x2e0 [ 158.799635][ T6005] ? getname_flags+0x20a/0x500 [ 158.804408][ T6005] user_path_at_empty+0x42/0x60 [ 158.809262][ T6005] __se_sys_mount+0x29b/0x3c0 [ 158.813929][ T6005] ? __x64_sys_mount+0xc0/0xc0 [ 158.818685][ T6005] ? lockdep_hardirqs_on+0x98/0x150 [ 158.823886][ T6005] ? __x64_sys_mount+0x20/0xc0 [ 158.828646][ T6005] do_syscall_64+0x55/0xb0 [ 158.833053][ T6005] ? clear_bhb_loop+0x40/0x90 [ 158.837713][ T6005] ? clear_bhb_loop+0x40/0x90 [ 158.842384][ T6005] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 158.848281][ T6005] RIP: 0033:0x7fec8538e9a9 [ 158.852682][ T6005] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 158.872295][ T6005] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 158.880716][ T6005] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 158.888679][ T6005] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 158.896649][ T6005] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 158.904609][ T6005] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 158.912568][ T6005] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 158.920538][ T6005] [ 159.270906][ T6009] loop0: detected capacity change from 0 to 32768 [ 159.290073][ T6009] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 159.300142][ T6009] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 159.313041][ T6009] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 159.322205][ T23] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 159.329856][ T23] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 159.393060][ T23] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 63ms [ 159.400664][ T23] gfs2: fsid=syz:syz.0: jid=0: Done [ 159.406946][ T6009] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 159.418765][ T6009] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 159.429611][ T6009] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 159.429611][ T6009] inode = 12 2341 [ 159.429611][ T6009] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 159.450399][ T6009] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 159.462146][ T6009] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6009 [syz.0.29] __gfs2_lookup+0x90/0x270 [ 159.477277][ T6009] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 159.481606][ T6011] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 159.486901][ T6009] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 159.502911][ T6009] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 159.511673][ T6009] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 159.511745][ T6011] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 159.520213][ T6009] gfs2: fsid=syz:syz.0: File system withdrawn [ 159.534160][ T6011] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6009 [syz.0.29] __gfs2_lookup+0x90/0x270 [ 159.534199][ T6011] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6011 [syz.0.29] __gfs2_lookup+0x90/0x270 [ 159.534229][ T6011] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 159.563512][ T6009] CPU: 0 PID: 6009 Comm: syz.0.29 Not tainted 6.6.100-syzkaller #0 [ 159.571418][ T6009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 159.581456][ T6009] Call Trace: [ 159.584718][ T6009] [ 159.587631][ T6009] dump_stack_lvl+0x16c/0x230 [ 159.592302][ T6009] ? show_regs_print_info+0x20/0x20 [ 159.597497][ T6009] ? load_image+0x3b0/0x3b0 [ 159.601990][ T6009] ? kobject_uevent_env+0x363/0x8c0 [ 159.607175][ T6009] gfs2_withdraw+0xf16/0x14b0 [ 159.611847][ T6009] ? gfs2_lm+0x220/0x220 [ 159.616076][ T6009] ? load_image+0x3b0/0x3b0 [ 159.620566][ T6009] ? gfs2_consist_inode_i+0xf5/0x110 [ 159.625841][ T6009] gfs2_dirent_scan+0x525/0x650 [ 159.630678][ T6009] ? gfs2_dirent_search+0x7e0/0x7e0 [ 159.635854][ T6009] ? gfs2_dirent_search+0x7e0/0x7e0 [ 159.641029][ T6009] gfs2_dirent_search+0x2e1/0x7e0 [ 159.646039][ T6009] ? gfs2_permission+0x370/0x430 [ 159.651049][ T6009] ? __might_sleep+0xe0/0xe0 [ 159.655630][ T6009] ? gfs2_dir_search+0x220/0x220 [ 159.660573][ T6009] ? gfs2_lookupi+0x5a0/0x5a0 [ 159.665238][ T6009] ? do_raw_spin_lock+0x121/0x2c0 [ 159.670252][ T6009] gfs2_dir_search+0x4d/0x220 [ 159.674913][ T6009] gfs2_lookupi+0x3d9/0x5a0 [ 159.679413][ T6009] ? gfs2_lookup_meta+0x170/0x170 [ 159.684420][ T6009] ? d_alloc_parallel+0x1373/0x1480 [ 159.689604][ T6009] ? __gfs2_lookup+0x90/0x270 [ 159.694265][ T6009] ? d_alloc_parallel+0x2d8/0x1480 [ 159.699359][ T6009] __gfs2_lookup+0x90/0x270 [ 159.703843][ T6009] ? lockdep_softirqs_off+0x430/0x430 [ 159.709218][ T6009] ? gfs2_atomic_open+0x220/0x220 [ 159.714243][ T6009] ? __init_waitqueue_head+0xa9/0x150 [ 159.719609][ T6009] __lookup_slow+0x281/0x3b0 [ 159.724196][ T6009] ? lookup_one_len+0x2c0/0x2c0 [ 159.729049][ T6009] ? down_read+0x1ac/0x2e0 [ 159.733458][ T6009] lookup_slow+0x53/0x70 [ 159.737700][ T6009] walk_component+0x2be/0x3f0 [ 159.742360][ T6009] ? path_lookupat+0x15c/0x440 [ 159.747108][ T6009] path_lookupat+0x169/0x440 [ 159.751689][ T6009] filename_lookup+0x1f4/0x510 [ 159.756441][ T6009] ? __virt_addr_valid+0x18c/0x540 [ 159.761548][ T6009] ? hashlen_string+0x110/0x110 [ 159.766393][ T6009] ? strncpy_from_user+0x197/0x2e0 [ 159.771486][ T6009] ? getname_flags+0x20a/0x500 [ 159.776237][ T6009] user_path_at_empty+0x42/0x60 [ 159.781074][ T6009] __se_sys_mount+0x29b/0x3c0 [ 159.785760][ T6009] ? __x64_sys_mount+0xc0/0xc0 [ 159.790531][ T6009] ? lockdep_hardirqs_on+0x98/0x150 [ 159.795718][ T6009] ? __x64_sys_mount+0x20/0xc0 [ 159.800470][ T6009] do_syscall_64+0x55/0xb0 [ 159.804877][ T6009] ? clear_bhb_loop+0x40/0x90 [ 159.809543][ T6009] ? clear_bhb_loop+0x40/0x90 [ 159.814200][ T6009] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 159.820077][ T6009] RIP: 0033:0x7fec8538e9a9 [ 159.824475][ T6009] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 159.844071][ T6009] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 159.852467][ T6009] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 159.860419][ T6009] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 159.868370][ T6009] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 159.876328][ T6009] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 159.884282][ T6009] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 159.892262][ T6009] [ 160.238728][ T6013] loop0: detected capacity change from 0 to 32768 [ 160.253718][ T6013] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 160.261975][ T6013] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 160.274539][ T6013] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 160.284252][ T967] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 160.291132][ T967] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 160.348984][ T967] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 57ms [ 160.358978][ T967] gfs2: fsid=syz:syz.0: jid=0: Done [ 160.364329][ T6013] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 160.378960][ T6013] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 160.389823][ T6013] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 160.389823][ T6013] inode = 12 2341 [ 160.389823][ T6013] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 160.409094][ T6013] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 160.418662][ T6013] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6013 [syz.0.30] __gfs2_lookup+0x90/0x270 [ 160.429706][ T6013] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 160.431437][ T6015] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 160.438197][ T6013] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 160.438210][ T6013] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 160.438221][ T6013] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 160.438418][ T6013] gfs2: fsid=syz:syz.0: File system withdrawn [ 160.438428][ T6013] CPU: 0 PID: 6013 Comm: syz.0.30 Not tainted 6.6.100-syzkaller #0 [ 160.438444][ T6013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 160.438462][ T6013] Call Trace: [ 160.438469][ T6013] [ 160.438477][ T6013] dump_stack_lvl+0x16c/0x230 [ 160.438500][ T6013] ? kobject_uevent_env+0x363/0x8c0 [ 160.438523][ T6013] ? show_regs_print_info+0x20/0x20 [ 160.438542][ T6013] ? load_image+0x3b0/0x3b0 [ 160.438564][ T6013] ? kobject_uevent_env+0x363/0x8c0 [ 160.438594][ T6013] gfs2_withdraw+0xf16/0x14b0 [ 160.438628][ T6013] ? gfs2_lm+0x220/0x220 [ 160.438650][ T6013] ? load_image+0x3b0/0x3b0 [ 160.438676][ T6013] ? gfs2_consist_inode_i+0xf5/0x110 [ 160.438699][ T6013] gfs2_dirent_scan+0x525/0x650 [ 160.438718][ T6013] ? gfs2_dirent_search+0x7e0/0x7e0 [ 160.438736][ T6013] ? gfs2_dirent_search+0x7e0/0x7e0 [ 160.438753][ T6013] gfs2_dirent_search+0x2e1/0x7e0 [ 160.438773][ T6013] ? gfs2_permission+0x370/0x430 [ 160.438793][ T6013] ? __might_sleep+0xe0/0xe0 [ 160.438813][ T6013] ? gfs2_dir_search+0x220/0x220 [ 160.438829][ T6013] ? gfs2_lookupi+0x5a0/0x5a0 [ 160.438845][ T6013] ? do_raw_spin_lock+0x121/0x2c0 [ 160.438871][ T6013] gfs2_dir_search+0x4d/0x220 [ 160.438893][ T6013] gfs2_lookupi+0x3d9/0x5a0 [ 160.438918][ T6013] ? gfs2_lookup_meta+0x170/0x170 [ 160.438937][ T6013] ? d_alloc_parallel+0x1373/0x1480 [ 160.438961][ T6013] ? __gfs2_lookup+0x90/0x270 [ 160.438984][ T6013] ? d_alloc_parallel+0x2d8/0x1480 [ 160.439008][ T6013] __gfs2_lookup+0x90/0x270 [ 160.453687][ T6015] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 160.455724][ T6013] ? lockdep_softirqs_off+0x430/0x430 [ 160.465225][ T6015] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6013 [syz.0.30] __gfs2_lookup+0x90/0x270 [ 160.471211][ T6013] ? gfs2_atomic_open+0x220/0x220 [ 160.477672][ T6015] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6015 [syz.0.30] __gfs2_lookup+0x90/0x270 [ 160.485131][ T6013] ? __init_waitqueue_head+0xa9/0x150 [ 160.485158][ T6013] __lookup_slow+0x281/0x3b0 [ 160.485183][ T6013] ? lookup_one_len+0x2c0/0x2c0 [ 160.496895][ T6015] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 160.498507][ T6013] ? down_read+0x1ac/0x2e0 [ 160.687919][ T6013] lookup_slow+0x53/0x70 [ 160.692159][ T6013] walk_component+0x2be/0x3f0 [ 160.696827][ T6013] ? path_lookupat+0x15c/0x440 [ 160.701598][ T6013] path_lookupat+0x169/0x440 [ 160.706180][ T6013] filename_lookup+0x1f4/0x510 [ 160.710932][ T6013] ? __virt_addr_valid+0x18c/0x540 [ 160.716034][ T6013] ? hashlen_string+0x110/0x110 [ 160.720886][ T6013] ? strncpy_from_user+0x197/0x2e0 [ 160.725987][ T6013] ? getname_flags+0x20a/0x500 [ 160.730740][ T6013] user_path_at_empty+0x42/0x60 [ 160.735583][ T6013] __se_sys_mount+0x29b/0x3c0 [ 160.740252][ T6013] ? __x64_sys_mount+0xc0/0xc0 [ 160.745005][ T6013] ? lockdep_hardirqs_on+0x98/0x150 [ 160.750199][ T6013] ? __x64_sys_mount+0x20/0xc0 [ 160.754957][ T6013] do_syscall_64+0x55/0xb0 [ 160.759362][ T6013] ? clear_bhb_loop+0x40/0x90 [ 160.764023][ T6013] ? clear_bhb_loop+0x40/0x90 [ 160.768685][ T6013] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 160.774574][ T6013] RIP: 0033:0x7fec8538e9a9 [ 160.778975][ T6013] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 160.798568][ T6013] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 160.806970][ T6013] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 160.814931][ T6013] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 160.822890][ T6013] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 160.830847][ T6013] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 160.838800][ T6013] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 160.846782][ T6013] [ 161.189613][ T6017] loop0: detected capacity change from 0 to 32768 [ 161.206969][ T6017] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 161.215316][ T6017] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 161.228155][ T6017] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 161.237870][ T23] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 161.246196][ T23] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 161.301014][ T23] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 54ms [ 161.310428][ T23] gfs2: fsid=syz:syz.0: jid=0: Done [ 161.316164][ T6017] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 161.329515][ T6017] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 161.340585][ T6017] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 161.340585][ T6017] inode = 12 2341 [ 161.340585][ T6017] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 161.359986][ T6017] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 161.369389][ T6017] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6017 [syz.0.31] __gfs2_lookup+0x90/0x270 [ 161.379673][ T6017] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 161.388162][ T6017] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 161.395520][ T6017] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 161.404384][ T6017] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 161.410973][ T6017] gfs2: fsid=syz:syz.0: File system withdrawn [ 161.417119][ T6017] CPU: 0 PID: 6017 Comm: syz.0.31 Not tainted 6.6.100-syzkaller #0 [ 161.425017][ T6017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 161.435063][ T6017] Call Trace: [ 161.438333][ T6017] [ 161.441252][ T6017] dump_stack_lvl+0x16c/0x230 [ 161.445922][ T6017] ? kobject_uevent_env+0x363/0x8c0 [ 161.451112][ T6017] ? show_regs_print_info+0x20/0x20 [ 161.456296][ T6017] ? load_image+0x3b0/0x3b0 [ 161.460793][ T6017] ? kobject_uevent_env+0x363/0x8c0 [ 161.465985][ T6017] gfs2_withdraw+0xf16/0x14b0 [ 161.470665][ T6017] ? gfs2_lm+0x220/0x220 [ 161.474899][ T6017] ? load_image+0x3b0/0x3b0 [ 161.479399][ T6017] ? gfs2_consist_inode_i+0xf5/0x110 [ 161.484676][ T6017] gfs2_dirent_scan+0x525/0x650 [ 161.489512][ T6017] ? gfs2_dirent_search+0x7e0/0x7e0 [ 161.494701][ T6017] ? gfs2_dirent_search+0x7e0/0x7e0 [ 161.499886][ T6017] gfs2_dirent_search+0x2e1/0x7e0 [ 161.504900][ T6017] ? gfs2_permission+0x370/0x430 [ 161.509826][ T6017] ? __might_sleep+0xe0/0xe0 [ 161.514404][ T6017] ? gfs2_dir_search+0x220/0x220 [ 161.519327][ T6017] ? gfs2_lookupi+0x5a0/0x5a0 [ 161.524089][ T6017] ? do_raw_spin_lock+0x121/0x2c0 [ 161.529122][ T6017] gfs2_dir_search+0x4d/0x220 [ 161.533789][ T6017] gfs2_lookupi+0x3d9/0x5a0 [ 161.538286][ T6017] ? gfs2_lookup_meta+0x170/0x170 [ 161.543298][ T6017] ? d_alloc_parallel+0x1373/0x1480 [ 161.548506][ T6017] ? __gfs2_lookup+0x90/0x270 [ 161.553189][ T6017] ? d_alloc_parallel+0x2d8/0x1480 [ 161.558327][ T6017] __gfs2_lookup+0x90/0x270 [ 161.562832][ T6017] ? lockdep_softirqs_off+0x430/0x430 [ 161.568211][ T6017] ? gfs2_atomic_open+0x220/0x220 [ 161.573245][ T6017] ? __init_waitqueue_head+0xa9/0x150 [ 161.578621][ T6017] __lookup_slow+0x281/0x3b0 [ 161.583206][ T6017] ? lookup_one_len+0x2c0/0x2c0 [ 161.588052][ T6017] ? down_read+0x1ac/0x2e0 [ 161.592459][ T6017] lookup_slow+0x53/0x70 [ 161.596692][ T6017] walk_component+0x2be/0x3f0 [ 161.601360][ T6017] ? path_lookupat+0x15c/0x440 [ 161.606115][ T6017] path_lookupat+0x169/0x440 [ 161.610696][ T6017] filename_lookup+0x1f4/0x510 [ 161.615451][ T6017] ? __virt_addr_valid+0x18c/0x540 [ 161.620552][ T6017] ? hashlen_string+0x110/0x110 [ 161.625409][ T6017] ? strncpy_from_user+0x197/0x2e0 [ 161.630513][ T6017] ? getname_flags+0x20a/0x500 [ 161.635270][ T6017] user_path_at_empty+0x42/0x60 [ 161.640112][ T6017] __se_sys_mount+0x29b/0x3c0 [ 161.644775][ T6017] ? __x64_sys_mount+0xc0/0xc0 [ 161.649523][ T6017] ? lockdep_hardirqs_on+0x98/0x150 [ 161.654709][ T6017] ? __x64_sys_mount+0x20/0xc0 [ 161.659459][ T6017] do_syscall_64+0x55/0xb0 [ 161.663860][ T6017] ? clear_bhb_loop+0x40/0x90 [ 161.668532][ T6017] ? clear_bhb_loop+0x40/0x90 [ 161.673216][ T6017] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 161.679116][ T6017] RIP: 0033:0x7fec8538e9a9 [ 161.683518][ T6017] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 161.703110][ T6017] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 161.711520][ T6017] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 161.719480][ T6017] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 161.727445][ T6017] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 161.735402][ T6017] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 161.743359][ T6017] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 161.751335][ T6017] [ 162.096191][ T6021] loop0: detected capacity change from 0 to 32768 [ 162.113676][ T6021] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 162.121864][ T6021] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 162.138356][ T6021] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 162.147579][ T23] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 162.154560][ T23] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 162.210212][ T23] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 55ms [ 162.217943][ T23] gfs2: fsid=syz:syz.0: jid=0: Done [ 162.223275][ T6021] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 162.239937][ T6021] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 162.250585][ T6021] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 162.250585][ T6021] inode = 12 2341 [ 162.250585][ T6021] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 162.269634][ T6021] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 162.279118][ T6021] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6021 [syz.0.32] __gfs2_lookup+0x90/0x270 [ 162.289335][ T6021] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 162.296524][ T6023] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 162.298887][ T6021] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 162.307558][ T6023] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 162.323735][ T6023] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6021 [syz.0.32] __gfs2_lookup+0x90/0x270 [ 162.333170][ T6023] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6023 [syz.0.32] __gfs2_lookup+0x90/0x270 [ 162.342772][ T6023] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 162.343863][ T6021] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 162.360039][ T6021] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 162.366805][ T6021] gfs2: fsid=syz:syz.0: File system withdrawn [ 162.372962][ T6021] CPU: 1 PID: 6021 Comm: syz.0.32 Not tainted 6.6.100-syzkaller #0 [ 162.381031][ T6021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 162.391072][ T6021] Call Trace: [ 162.394345][ T6021] [ 162.397267][ T6021] dump_stack_lvl+0x16c/0x230 [ 162.401939][ T6021] ? kobject_uevent_env+0x363/0x8c0 [ 162.407133][ T6021] ? show_regs_print_info+0x20/0x20 [ 162.412336][ T6021] ? load_image+0x3b0/0x3b0 [ 162.416848][ T6021] ? kobject_uevent_env+0x363/0x8c0 [ 162.422046][ T6021] gfs2_withdraw+0xf16/0x14b0 [ 162.426757][ T6021] ? gfs2_lm+0x220/0x220 [ 162.430992][ T6021] ? load_image+0x3b0/0x3b0 [ 162.435496][ T6021] ? gfs2_consist_inode_i+0xf5/0x110 [ 162.440788][ T6021] gfs2_dirent_scan+0x525/0x650 [ 162.445633][ T6021] ? gfs2_dirent_search+0x7e0/0x7e0 [ 162.450817][ T6021] ? gfs2_dirent_search+0x7e0/0x7e0 [ 162.455999][ T6021] gfs2_dirent_search+0x2e1/0x7e0 [ 162.461017][ T6021] ? gfs2_permission+0x370/0x430 [ 162.465944][ T6021] ? __might_sleep+0xe0/0xe0 [ 162.470523][ T6021] ? gfs2_dir_search+0x220/0x220 [ 162.475449][ T6021] ? gfs2_lookupi+0x5a0/0x5a0 [ 162.480129][ T6021] ? do_raw_spin_lock+0x121/0x2c0 [ 162.485144][ T6021] gfs2_dir_search+0x4d/0x220 [ 162.489811][ T6021] gfs2_lookupi+0x3d9/0x5a0 [ 162.494310][ T6021] ? gfs2_lookup_meta+0x170/0x170 [ 162.499338][ T6021] ? d_alloc_parallel+0x1373/0x1480 [ 162.504542][ T6021] ? __gfs2_lookup+0x90/0x270 [ 162.509217][ T6021] ? d_alloc_parallel+0x2d8/0x1480 [ 162.514325][ T6021] __gfs2_lookup+0x90/0x270 [ 162.518834][ T6021] ? lockdep_softirqs_off+0x430/0x430 [ 162.524198][ T6021] ? gfs2_atomic_open+0x220/0x220 [ 162.529222][ T6021] ? __init_waitqueue_head+0xa9/0x150 [ 162.534614][ T6021] __lookup_slow+0x281/0x3b0 [ 162.539199][ T6021] ? lookup_one_len+0x2c0/0x2c0 [ 162.544047][ T6021] ? down_read+0x1ac/0x2e0 [ 162.548453][ T6021] lookup_slow+0x53/0x70 [ 162.552685][ T6021] walk_component+0x2be/0x3f0 [ 162.557607][ T6021] ? path_lookupat+0x15c/0x440 [ 162.562375][ T6021] path_lookupat+0x169/0x440 [ 162.566990][ T6021] filename_lookup+0x1f4/0x510 [ 162.571760][ T6021] ? __virt_addr_valid+0x18c/0x540 [ 162.576884][ T6021] ? hashlen_string+0x110/0x110 [ 162.581762][ T6021] ? strncpy_from_user+0x197/0x2e0 [ 162.586869][ T6021] ? getname_flags+0x20a/0x500 [ 162.591634][ T6021] user_path_at_empty+0x42/0x60 [ 162.596487][ T6021] __se_sys_mount+0x29b/0x3c0 [ 162.601167][ T6021] ? __x64_sys_mount+0xc0/0xc0 [ 162.605926][ T6021] ? lockdep_hardirqs_on+0x98/0x150 [ 162.611112][ T6021] ? __x64_sys_mount+0x20/0xc0 [ 162.615861][ T6021] do_syscall_64+0x55/0xb0 [ 162.620263][ T6021] ? clear_bhb_loop+0x40/0x90 [ 162.624932][ T6021] ? clear_bhb_loop+0x40/0x90 [ 162.629592][ T6021] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 162.635482][ T6021] RIP: 0033:0x7fec8538e9a9 [ 162.639890][ T6021] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 162.659482][ T6021] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 162.667882][ T6021] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 162.675837][ T6021] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 162.683796][ T6021] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 162.691761][ T6021] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 162.699724][ T6021] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 162.707694][ T6021] [ 163.059175][ T6025] loop0: detected capacity change from 0 to 32768 [ 163.069335][ T6025] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 163.078188][ T6025] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 163.091372][ T6025] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 163.100936][ T5960] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 163.108941][ T5960] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 163.179020][ T5960] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 70ms [ 163.186719][ T5960] gfs2: fsid=syz:syz.0: jid=0: Done [ 163.191971][ T6025] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 163.205129][ T6025] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 163.216292][ T6025] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 163.216292][ T6025] inode = 12 2341 [ 163.216292][ T6025] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 163.235259][ T6025] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 163.244742][ T6025] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6025 [syz.0.33] __gfs2_lookup+0x90/0x270 [ 163.257087][ T6025] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 163.266665][ T6025] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 163.273987][ T6025] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 163.282806][ T6025] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 163.289363][ T6025] gfs2: fsid=syz:syz.0: File system withdrawn [ 163.295531][ T6025] CPU: 1 PID: 6025 Comm: syz.0.33 Not tainted 6.6.100-syzkaller #0 [ 163.303436][ T6025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 163.313481][ T6025] Call Trace: [ 163.316749][ T6025] [ 163.319668][ T6025] dump_stack_lvl+0x16c/0x230 [ 163.324344][ T6025] ? kobject_uevent_env+0x363/0x8c0 [ 163.329541][ T6025] ? show_regs_print_info+0x20/0x20 [ 163.334728][ T6025] ? load_image+0x3b0/0x3b0 [ 163.339223][ T6025] ? kobject_uevent_env+0x363/0x8c0 [ 163.344429][ T6025] gfs2_withdraw+0xf16/0x14b0 [ 163.349107][ T6025] ? gfs2_lm+0x220/0x220 [ 163.353358][ T6025] ? load_image+0x3b0/0x3b0 [ 163.357869][ T6025] ? gfs2_consist_inode_i+0xf5/0x110 [ 163.363161][ T6025] gfs2_dirent_scan+0x525/0x650 [ 163.368016][ T6025] ? gfs2_dirent_search+0x7e0/0x7e0 [ 163.373207][ T6025] ? gfs2_dirent_search+0x7e0/0x7e0 [ 163.378396][ T6025] gfs2_dirent_search+0x2e1/0x7e0 [ 163.383412][ T6025] ? gfs2_permission+0x370/0x430 [ 163.388346][ T6025] ? __might_sleep+0xe0/0xe0 [ 163.392928][ T6025] ? gfs2_dir_search+0x220/0x220 [ 163.397854][ T6025] ? gfs2_lookupi+0x5a0/0x5a0 [ 163.402520][ T6025] ? do_raw_spin_lock+0x121/0x2c0 [ 163.407539][ T6025] gfs2_dir_search+0x4d/0x220 [ 163.412207][ T6025] gfs2_lookupi+0x3d9/0x5a0 [ 163.416714][ T6025] ? gfs2_lookup_meta+0x170/0x170 [ 163.421729][ T6025] ? d_alloc_parallel+0x1373/0x1480 [ 163.426925][ T6025] ? __gfs2_lookup+0x90/0x270 [ 163.431597][ T6025] ? d_alloc_parallel+0x2d8/0x1480 [ 163.436704][ T6025] __gfs2_lookup+0x90/0x270 [ 163.441201][ T6025] ? lockdep_softirqs_off+0x430/0x430 [ 163.446562][ T6025] ? gfs2_atomic_open+0x220/0x220 [ 163.451587][ T6025] ? __init_waitqueue_head+0xa9/0x150 [ 163.456960][ T6025] __lookup_slow+0x281/0x3b0 [ 163.461807][ T6025] ? lookup_one_len+0x2c0/0x2c0 [ 163.466660][ T6025] ? down_read+0x1ac/0x2e0 [ 163.471069][ T6025] lookup_slow+0x53/0x70 [ 163.475309][ T6025] walk_component+0x2be/0x3f0 [ 163.479978][ T6025] ? path_lookupat+0x15c/0x440 [ 163.484739][ T6025] path_lookupat+0x169/0x440 [ 163.489332][ T6025] filename_lookup+0x1f4/0x510 [ 163.494089][ T6025] ? __virt_addr_valid+0x18c/0x540 [ 163.499195][ T6025] ? hashlen_string+0x110/0x110 [ 163.504054][ T6025] ? strncpy_from_user+0x197/0x2e0 [ 163.509157][ T6025] ? getname_flags+0x20a/0x500 [ 163.513914][ T6025] user_path_at_empty+0x42/0x60 [ 163.518762][ T6025] __se_sys_mount+0x29b/0x3c0 [ 163.523431][ T6025] ? __x64_sys_mount+0xc0/0xc0 [ 163.528190][ T6025] ? lockdep_hardirqs_on+0x98/0x150 [ 163.533382][ T6025] ? __x64_sys_mount+0x20/0xc0 [ 163.538139][ T6025] do_syscall_64+0x55/0xb0 [ 163.542544][ T6025] ? clear_bhb_loop+0x40/0x90 [ 163.547210][ T6025] ? clear_bhb_loop+0x40/0x90 [ 163.551873][ T6025] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 163.558107][ T6025] RIP: 0033:0x7fec8538e9a9 [ 163.562513][ T6025] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 163.582193][ T6025] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 163.590595][ T6025] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 163.598557][ T6025] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 163.606517][ T6025] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 163.614478][ T6025] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 163.622438][ T6025] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 163.630414][ T6025] 2025/07/25 14:35:42 executed programs: 20 [ 163.975662][ T6029] loop0: detected capacity change from 0 to 32768 [ 163.991149][ T6029] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 164.000330][ T6029] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 164.013557][ T6029] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 164.024517][ T967] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 164.031315][ T967] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 164.085213][ T967] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 53ms [ 164.092934][ T967] gfs2: fsid=syz:syz.0: jid=0: Done [ 164.098186][ T6029] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 164.114700][ T6029] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 164.124309][ T6029] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 164.124309][ T6029] inode = 12 2341 [ 164.124309][ T6029] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 164.142931][ T6029] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 164.151983][ T6029] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6029 [syz.0.34] __gfs2_lookup+0x90/0x270 [ 164.161522][ T6029] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 164.170650][ T6029] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 164.178126][ T6029] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 164.186912][ T6029] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 164.193837][ T6029] gfs2: fsid=syz:syz.0: File system withdrawn [ 164.199958][ T6029] CPU: 0 PID: 6029 Comm: syz.0.34 Not tainted 6.6.100-syzkaller #0 [ 164.207851][ T6029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 164.217894][ T6029] Call Trace: [ 164.221161][ T6029] [ 164.224083][ T6029] dump_stack_lvl+0x16c/0x230 [ 164.228751][ T6029] ? kobject_uevent_env+0x363/0x8c0 [ 164.233950][ T6029] ? show_regs_print_info+0x20/0x20 [ 164.239152][ T6029] ? load_image+0x3b0/0x3b0 [ 164.243649][ T6029] ? kobject_uevent_env+0x363/0x8c0 [ 164.248843][ T6029] gfs2_withdraw+0xf16/0x14b0 [ 164.253515][ T6029] ? gfs2_lm+0x220/0x220 [ 164.257746][ T6029] ? load_image+0x3b0/0x3b0 [ 164.262240][ T6029] ? gfs2_consist_inode_i+0xf5/0x110 [ 164.267513][ T6029] gfs2_dirent_scan+0x525/0x650 [ 164.272357][ T6029] ? gfs2_dirent_search+0x7e0/0x7e0 [ 164.277543][ T6029] ? gfs2_dirent_search+0x7e0/0x7e0 [ 164.282731][ T6029] gfs2_dirent_search+0x2e1/0x7e0 [ 164.287745][ T6029] ? gfs2_permission+0x370/0x430 [ 164.292682][ T6029] ? __might_sleep+0xe0/0xe0 [ 164.297277][ T6029] ? gfs2_dir_search+0x220/0x220 [ 164.302201][ T6029] ? gfs2_lookupi+0x5a0/0x5a0 [ 164.306866][ T6029] ? do_raw_spin_lock+0x121/0x2c0 [ 164.311880][ T6029] gfs2_dir_search+0x4d/0x220 [ 164.316545][ T6029] gfs2_lookupi+0x3d9/0x5a0 [ 164.321038][ T6029] ? gfs2_lookup_meta+0x170/0x170 [ 164.326071][ T6029] ? d_alloc_parallel+0x1373/0x1480 [ 164.331261][ T6029] ? __gfs2_lookup+0x90/0x270 [ 164.335925][ T6029] ? d_alloc_parallel+0x2d8/0x1480 [ 164.341024][ T6029] __gfs2_lookup+0x90/0x270 [ 164.345522][ T6029] ? lockdep_softirqs_off+0x430/0x430 [ 164.350880][ T6029] ? gfs2_atomic_open+0x220/0x220 [ 164.355909][ T6029] ? __init_waitqueue_head+0xa9/0x150 [ 164.361285][ T6029] __lookup_slow+0x281/0x3b0 [ 164.365873][ T6029] ? lookup_one_len+0x2c0/0x2c0 [ 164.370722][ T6029] ? down_read+0x1ac/0x2e0 [ 164.375130][ T6029] lookup_slow+0x53/0x70 [ 164.379361][ T6029] walk_component+0x2be/0x3f0 [ 164.384023][ T6029] ? path_lookupat+0x15c/0x440 [ 164.388775][ T6029] path_lookupat+0x169/0x440 [ 164.393373][ T6029] filename_lookup+0x1f4/0x510 [ 164.398134][ T6029] ? __virt_addr_valid+0x18c/0x540 [ 164.403244][ T6029] ? hashlen_string+0x110/0x110 [ 164.408115][ T6029] ? strncpy_from_user+0x197/0x2e0 [ 164.413214][ T6029] ? getname_flags+0x20a/0x500 [ 164.417970][ T6029] user_path_at_empty+0x42/0x60 [ 164.422809][ T6029] __se_sys_mount+0x29b/0x3c0 [ 164.427482][ T6029] ? __x64_sys_mount+0xc0/0xc0 [ 164.432231][ T6029] ? lockdep_hardirqs_on+0x98/0x150 [ 164.437418][ T6029] ? __x64_sys_mount+0x20/0xc0 [ 164.442171][ T6029] do_syscall_64+0x55/0xb0 [ 164.446575][ T6029] ? clear_bhb_loop+0x40/0x90 [ 164.451237][ T6029] ? clear_bhb_loop+0x40/0x90 [ 164.455901][ T6029] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 164.461781][ T6029] RIP: 0033:0x7fec8538e9a9 [ 164.466186][ T6029] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 164.485776][ T6029] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 164.494180][ T6029] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 164.502136][ T6029] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 164.510097][ T6029] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 164.518053][ T6029] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 164.526011][ T6029] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 164.533976][ T6029] [ 164.881796][ T6034] loop0: detected capacity change from 0 to 32768 [ 164.895244][ T6034] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 164.904028][ T6034] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 164.917288][ T6034] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 164.926736][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 164.934436][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 164.991818][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 57ms [ 165.000042][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 165.010401][ T6034] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 165.032986][ T6034] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 165.042709][ T6034] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 165.042709][ T6034] inode = 12 2341 [ 165.042709][ T6034] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 165.061750][ T6034] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 165.071241][ T6034] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6034 [syz.0.35] __gfs2_lookup+0x90/0x270 [ 165.081957][ T6034] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 165.090523][ T6034] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 165.098215][ T6034] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 165.107542][ T6034] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 165.115336][ T6034] gfs2: fsid=syz:syz.0: File system withdrawn [ 165.121433][ T6034] CPU: 1 PID: 6034 Comm: syz.0.35 Not tainted 6.6.100-syzkaller #0 [ 165.129327][ T6034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 165.139373][ T6034] Call Trace: [ 165.142639][ T6034] [ 165.145558][ T6034] dump_stack_lvl+0x16c/0x230 [ 165.150225][ T6034] ? kobject_uevent_env+0x363/0x8c0 [ 165.155411][ T6034] ? show_regs_print_info+0x20/0x20 [ 165.160595][ T6034] ? load_image+0x3b0/0x3b0 [ 165.165091][ T6034] ? kobject_uevent_env+0x363/0x8c0 [ 165.170288][ T6034] gfs2_withdraw+0xf16/0x14b0 [ 165.174964][ T6034] ? gfs2_lm+0x220/0x220 [ 165.179198][ T6034] ? load_image+0x3b0/0x3b0 [ 165.183698][ T6034] ? gfs2_consist_inode_i+0xf5/0x110 [ 165.188972][ T6034] gfs2_dirent_scan+0x525/0x650 [ 165.193808][ T6034] ? gfs2_dirent_search+0x7e0/0x7e0 [ 165.198992][ T6034] ? gfs2_dirent_search+0x7e0/0x7e0 [ 165.204182][ T6034] gfs2_dirent_search+0x2e1/0x7e0 [ 165.209209][ T6034] ? gfs2_permission+0x370/0x430 [ 165.214169][ T6034] ? __might_sleep+0xe0/0xe0 [ 165.218762][ T6034] ? gfs2_dir_search+0x220/0x220 [ 165.223686][ T6034] ? gfs2_lookupi+0x5a0/0x5a0 [ 165.228349][ T6034] ? do_raw_spin_lock+0x121/0x2c0 [ 165.233373][ T6034] gfs2_dir_search+0x4d/0x220 [ 165.238037][ T6034] gfs2_lookupi+0x3d9/0x5a0 [ 165.242528][ T6034] ? gfs2_lookup_meta+0x170/0x170 [ 165.247540][ T6034] ? d_alloc_parallel+0x1373/0x1480 [ 165.252728][ T6034] ? __gfs2_lookup+0x90/0x270 [ 165.257401][ T6034] ? d_alloc_parallel+0x2d8/0x1480 [ 165.262511][ T6034] __gfs2_lookup+0x90/0x270 [ 165.267023][ T6034] ? lockdep_softirqs_off+0x430/0x430 [ 165.272392][ T6034] ? gfs2_atomic_open+0x220/0x220 [ 165.277409][ T6034] ? __init_waitqueue_head+0xa9/0x150 [ 165.282768][ T6034] __lookup_slow+0x281/0x3b0 [ 165.287354][ T6034] ? lookup_one_len+0x2c0/0x2c0 [ 165.292207][ T6034] ? down_read+0x1ac/0x2e0 [ 165.296613][ T6034] lookup_slow+0x53/0x70 [ 165.300845][ T6034] walk_component+0x2be/0x3f0 [ 165.305509][ T6034] ? path_lookupat+0x15c/0x440 [ 165.310262][ T6034] path_lookupat+0x169/0x440 [ 165.314842][ T6034] filename_lookup+0x1f4/0x510 [ 165.319598][ T6034] ? __virt_addr_valid+0x18c/0x540 [ 165.324699][ T6034] ? hashlen_string+0x110/0x110 [ 165.329552][ T6034] ? strncpy_from_user+0x197/0x2e0 [ 165.334650][ T6034] ? getname_flags+0x20a/0x500 [ 165.339415][ T6034] user_path_at_empty+0x42/0x60 [ 165.344256][ T6034] __se_sys_mount+0x29b/0x3c0 [ 165.348920][ T6034] ? __x64_sys_mount+0xc0/0xc0 [ 165.353670][ T6034] ? lockdep_hardirqs_on+0x98/0x150 [ 165.358855][ T6034] ? __x64_sys_mount+0x20/0xc0 [ 165.363611][ T6034] do_syscall_64+0x55/0xb0 [ 165.368016][ T6034] ? clear_bhb_loop+0x40/0x90 [ 165.372682][ T6034] ? clear_bhb_loop+0x40/0x90 [ 165.377354][ T6034] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 165.383254][ T6034] RIP: 0033:0x7fec8538e9a9 [ 165.387659][ T6034] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 165.407250][ T6034] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 165.415649][ T6034] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 165.423605][ T6034] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 165.431565][ T6034] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 165.439529][ T6034] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 165.447485][ T6034] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 165.455455][ T6034] [ 165.797592][ T6040] loop0: detected capacity change from 0 to 32768 [ 165.813503][ T6040] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 165.821691][ T6040] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 165.839622][ T6040] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 165.849189][ T23] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 165.856100][ T23] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 165.917406][ T23] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 61ms [ 165.926784][ T23] gfs2: fsid=syz:syz.0: jid=0: Done [ 165.932044][ T6040] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 165.949814][ T6040] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 165.959573][ T6040] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 165.959573][ T6040] inode = 12 2341 [ 165.959573][ T6040] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 165.978293][ T6040] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 165.987384][ T6040] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6040 [syz.0.36] __gfs2_lookup+0x90/0x270 [ 165.996821][ T6040] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 166.005305][ T6040] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 166.012580][ T6040] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 166.021344][ T6040] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 166.028026][ T6040] gfs2: fsid=syz:syz.0: File system withdrawn [ 166.034169][ T6040] CPU: 1 PID: 6040 Comm: syz.0.36 Not tainted 6.6.100-syzkaller #0 [ 166.042067][ T6040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 166.052111][ T6040] Call Trace: [ 166.055383][ T6040] [ 166.058309][ T6040] dump_stack_lvl+0x16c/0x230 [ 166.062988][ T6040] ? kobject_uevent_env+0x363/0x8c0 [ 166.068195][ T6040] ? show_regs_print_info+0x20/0x20 [ 166.073385][ T6040] ? load_image+0x3b0/0x3b0 [ 166.077894][ T6040] ? kobject_uevent_env+0x363/0x8c0 [ 166.083105][ T6040] gfs2_withdraw+0xf16/0x14b0 [ 166.087804][ T6040] ? gfs2_lm+0x220/0x220 [ 166.092040][ T6040] ? load_image+0x3b0/0x3b0 [ 166.096539][ T6040] ? gfs2_consist_inode_i+0xf5/0x110 [ 166.101830][ T6040] gfs2_dirent_scan+0x525/0x650 [ 166.106684][ T6040] ? gfs2_dirent_search+0x7e0/0x7e0 [ 166.111873][ T6040] ? gfs2_dirent_search+0x7e0/0x7e0 [ 166.117063][ T6040] gfs2_dirent_search+0x2e1/0x7e0 [ 166.122080][ T6040] ? gfs2_permission+0x370/0x430 [ 166.127011][ T6040] ? __might_sleep+0xe0/0xe0 [ 166.131594][ T6040] ? gfs2_dir_search+0x220/0x220 [ 166.136522][ T6040] ? gfs2_lookupi+0x5a0/0x5a0 [ 166.141191][ T6040] ? do_raw_spin_lock+0x121/0x2c0 [ 166.146217][ T6040] gfs2_dir_search+0x4d/0x220 [ 166.150895][ T6040] gfs2_lookupi+0x3d9/0x5a0 [ 166.155399][ T6040] ? gfs2_lookup_meta+0x170/0x170 [ 166.160418][ T6040] ? d_alloc_parallel+0x1373/0x1480 [ 166.165616][ T6040] ? __gfs2_lookup+0x90/0x270 [ 166.170296][ T6040] ? d_alloc_parallel+0x2d8/0x1480 [ 166.175409][ T6040] __gfs2_lookup+0x90/0x270 [ 166.179912][ T6040] ? lockdep_softirqs_off+0x430/0x430 [ 166.185285][ T6040] ? gfs2_atomic_open+0x220/0x220 [ 166.190314][ T6040] ? __init_waitqueue_head+0xa9/0x150 [ 166.195684][ T6040] __lookup_slow+0x281/0x3b0 [ 166.200276][ T6040] ? lookup_one_len+0x2c0/0x2c0 [ 166.205131][ T6040] ? down_read+0x1ac/0x2e0 [ 166.209546][ T6040] lookup_slow+0x53/0x70 [ 166.213783][ T6040] walk_component+0x2be/0x3f0 [ 166.218450][ T6040] ? path_lookupat+0x15c/0x440 [ 166.223218][ T6040] path_lookupat+0x169/0x440 [ 166.227808][ T6040] filename_lookup+0x1f4/0x510 [ 166.232565][ T6040] ? __virt_addr_valid+0x18c/0x540 [ 166.237671][ T6040] ? hashlen_string+0x110/0x110 [ 166.242533][ T6040] ? strncpy_from_user+0x197/0x2e0 [ 166.247639][ T6040] ? getname_flags+0x20a/0x500 [ 166.252400][ T6040] user_path_at_empty+0x42/0x60 [ 166.257250][ T6040] __se_sys_mount+0x29b/0x3c0 [ 166.261928][ T6040] ? __x64_sys_mount+0xc0/0xc0 [ 166.266683][ T6040] ? lockdep_hardirqs_on+0x98/0x150 [ 166.271872][ T6040] ? __x64_sys_mount+0x20/0xc0 [ 166.276627][ T6040] do_syscall_64+0x55/0xb0 [ 166.281036][ T6040] ? clear_bhb_loop+0x40/0x90 [ 166.285702][ T6040] ? clear_bhb_loop+0x40/0x90 [ 166.290372][ T6040] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 166.296268][ T6040] RIP: 0033:0x7fec8538e9a9 [ 166.300675][ T6040] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 166.320276][ T6040] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 166.328685][ T6040] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 166.336648][ T6040] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 166.344611][ T6040] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 166.352570][ T6040] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 166.360533][ T6040] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 166.368509][ T6040] [ 166.711014][ T6045] loop0: detected capacity change from 0 to 32768 [ 166.731314][ T6045] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 166.741471][ T6045] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 166.756087][ T6045] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 166.765515][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 166.773007][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 166.825112][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 52ms [ 166.833108][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 166.839889][ T6045] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 166.855749][ T6045] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 166.866118][ T6045] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 166.866118][ T6045] inode = 12 2341 [ 166.866118][ T6045] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 166.885729][ T6045] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 166.894830][ T6045] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6045 [syz.0.37] __gfs2_lookup+0x90/0x270 [ 166.904379][ T6045] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 166.912893][ T6045] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 166.920105][ T6045] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 166.929166][ T6045] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 166.935848][ T6045] gfs2: fsid=syz:syz.0: File system withdrawn [ 166.941923][ T6045] CPU: 1 PID: 6045 Comm: syz.0.37 Not tainted 6.6.100-syzkaller #0 [ 166.949806][ T6045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 166.959852][ T6045] Call Trace: [ 166.963125][ T6045] [ 166.966054][ T6045] dump_stack_lvl+0x16c/0x230 [ 166.970771][ T6045] ? kobject_uevent_env+0x363/0x8c0 [ 166.975968][ T6045] ? show_regs_print_info+0x20/0x20 [ 166.981162][ T6045] ? load_image+0x3b0/0x3b0 [ 166.985658][ T6045] ? kobject_uevent_env+0x363/0x8c0 [ 166.990865][ T6045] gfs2_withdraw+0xf16/0x14b0 [ 166.995573][ T6045] ? gfs2_lm+0x220/0x220 [ 166.999824][ T6045] ? load_image+0x3b0/0x3b0 [ 167.004330][ T6045] ? gfs2_consist_inode_i+0xf5/0x110 [ 167.009614][ T6045] gfs2_dirent_scan+0x525/0x650 [ 167.014464][ T6045] ? gfs2_dirent_search+0x7e0/0x7e0 [ 167.019659][ T6045] ? gfs2_dirent_search+0x7e0/0x7e0 [ 167.024847][ T6045] gfs2_dirent_search+0x2e1/0x7e0 [ 167.029876][ T6045] ? gfs2_permission+0x370/0x430 [ 167.034806][ T6045] ? __might_sleep+0xe0/0xe0 [ 167.039388][ T6045] ? gfs2_dir_search+0x220/0x220 [ 167.044318][ T6045] ? gfs2_lookupi+0x5a0/0x5a0 [ 167.048994][ T6045] ? do_raw_spin_lock+0x121/0x2c0 [ 167.054021][ T6045] gfs2_dir_search+0x4d/0x220 [ 167.058694][ T6045] gfs2_lookupi+0x3d9/0x5a0 [ 167.063194][ T6045] ? gfs2_lookup_meta+0x170/0x170 [ 167.068211][ T6045] ? d_alloc_parallel+0x1373/0x1480 [ 167.073409][ T6045] ? __gfs2_lookup+0x90/0x270 [ 167.078082][ T6045] ? d_alloc_parallel+0x2d8/0x1480 [ 167.083191][ T6045] __gfs2_lookup+0x90/0x270 [ 167.087690][ T6045] ? lockdep_softirqs_off+0x430/0x430 [ 167.093059][ T6045] ? gfs2_atomic_open+0x220/0x220 [ 167.098085][ T6045] ? __init_waitqueue_head+0xa9/0x150 [ 167.103450][ T6045] __lookup_slow+0x281/0x3b0 [ 167.108061][ T6045] ? lookup_one_len+0x2c0/0x2c0 [ 167.112925][ T6045] ? down_read+0x1ac/0x2e0 [ 167.117337][ T6045] lookup_slow+0x53/0x70 [ 167.121574][ T6045] walk_component+0x2be/0x3f0 [ 167.126262][ T6045] ? path_lookupat+0x15c/0x440 [ 167.131050][ T6045] path_lookupat+0x169/0x440 [ 167.135656][ T6045] filename_lookup+0x1f4/0x510 [ 167.140424][ T6045] ? __virt_addr_valid+0x18c/0x540 [ 167.145559][ T6045] ? hashlen_string+0x110/0x110 [ 167.150448][ T6045] ? strncpy_from_user+0x197/0x2e0 [ 167.155563][ T6045] ? getname_flags+0x20a/0x500 [ 167.160325][ T6045] user_path_at_empty+0x42/0x60 [ 167.165178][ T6045] __se_sys_mount+0x29b/0x3c0 [ 167.169859][ T6045] ? __x64_sys_mount+0xc0/0xc0 [ 167.174619][ T6045] ? lockdep_hardirqs_on+0x98/0x150 [ 167.179816][ T6045] ? __x64_sys_mount+0x20/0xc0 [ 167.184574][ T6045] do_syscall_64+0x55/0xb0 [ 167.188984][ T6045] ? clear_bhb_loop+0x40/0x90 [ 167.193654][ T6045] ? clear_bhb_loop+0x40/0x90 [ 167.198322][ T6045] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 167.204208][ T6045] RIP: 0033:0x7fec8538e9a9 [ 167.208614][ T6045] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 167.228213][ T6045] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 167.236633][ T6045] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 167.244597][ T6045] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 167.252558][ T6045] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 167.260516][ T6045] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 167.268477][ T6045] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 167.276447][ T6045] [ 167.618592][ T6049] loop0: detected capacity change from 0 to 32768 [ 167.633055][ T6049] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 167.641249][ T6049] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 167.654819][ T6049] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 167.665192][ T23] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 167.671985][ T23] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 167.733064][ T23] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 61ms [ 167.746134][ T23] gfs2: fsid=syz:syz.0: jid=0: Done [ 167.751406][ T6049] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 167.769439][ T6049] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 167.780592][ T6049] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 167.780592][ T6049] inode = 12 2341 [ 167.780592][ T6049] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 167.800339][ T6049] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 167.809466][ T6049] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6049 [syz.0.38] __gfs2_lookup+0x90/0x270 [ 167.818935][ T6049] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 167.827653][ T6049] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 167.834976][ T6049] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 167.843808][ T6049] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 167.850350][ T6049] gfs2: fsid=syz:syz.0: File system withdrawn [ 167.856473][ T6049] CPU: 1 PID: 6049 Comm: syz.0.38 Not tainted 6.6.100-syzkaller #0 [ 167.864369][ T6049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 167.874414][ T6049] Call Trace: [ 167.877685][ T6049] [ 167.880608][ T6049] dump_stack_lvl+0x16c/0x230 [ 167.885285][ T6049] ? kobject_uevent_env+0x363/0x8c0 [ 167.890508][ T6049] ? show_regs_print_info+0x20/0x20 [ 167.895722][ T6049] ? load_image+0x3b0/0x3b0 [ 167.900230][ T6049] ? kobject_uevent_env+0x363/0x8c0 [ 167.905434][ T6049] gfs2_withdraw+0xf16/0x14b0 [ 167.910122][ T6049] ? gfs2_lm+0x220/0x220 [ 167.914443][ T6049] ? load_image+0x3b0/0x3b0 [ 167.918966][ T6049] ? gfs2_consist_inode_i+0xf5/0x110 [ 167.924268][ T6049] gfs2_dirent_scan+0x525/0x650 [ 167.929129][ T6049] ? gfs2_dirent_search+0x7e0/0x7e0 [ 167.934347][ T6049] ? gfs2_dirent_search+0x7e0/0x7e0 [ 167.939550][ T6049] gfs2_dirent_search+0x2e1/0x7e0 [ 167.944580][ T6049] ? gfs2_permission+0x370/0x430 [ 167.949529][ T6049] ? __might_sleep+0xe0/0xe0 [ 167.954129][ T6049] ? gfs2_dir_search+0x220/0x220 [ 167.959064][ T6049] ? gfs2_lookupi+0x5a0/0x5a0 [ 167.963734][ T6049] ? do_raw_spin_lock+0x121/0x2c0 [ 167.968758][ T6049] gfs2_dir_search+0x4d/0x220 [ 167.973430][ T6049] gfs2_lookupi+0x3d9/0x5a0 [ 167.977934][ T6049] ? gfs2_lookup_meta+0x170/0x170 [ 167.982952][ T6049] ? d_alloc_parallel+0x1373/0x1480 [ 167.988165][ T6049] ? __gfs2_lookup+0x90/0x270 [ 167.992842][ T6049] ? d_alloc_parallel+0x2d8/0x1480 [ 167.997951][ T6049] __gfs2_lookup+0x90/0x270 [ 168.002462][ T6049] ? lockdep_softirqs_off+0x430/0x430 [ 168.007836][ T6049] ? gfs2_atomic_open+0x220/0x220 [ 168.012877][ T6049] ? __init_waitqueue_head+0xa9/0x150 [ 168.018330][ T6049] __lookup_slow+0x281/0x3b0 [ 168.022925][ T6049] ? lookup_one_len+0x2c0/0x2c0 [ 168.027784][ T6049] ? down_read+0x1ac/0x2e0 [ 168.032200][ T6049] lookup_slow+0x53/0x70 [ 168.036441][ T6049] walk_component+0x2be/0x3f0 [ 168.041117][ T6049] ? path_lookupat+0x15c/0x440 [ 168.045892][ T6049] path_lookupat+0x169/0x440 [ 168.050488][ T6049] filename_lookup+0x1f4/0x510 [ 168.055245][ T6049] ? __virt_addr_valid+0x18c/0x540 [ 168.060355][ T6049] ? hashlen_string+0x110/0x110 [ 168.065214][ T6049] ? strncpy_from_user+0x197/0x2e0 [ 168.070751][ T6049] ? getname_flags+0x20a/0x500 [ 168.075511][ T6049] user_path_at_empty+0x42/0x60 [ 168.080359][ T6049] __se_sys_mount+0x29b/0x3c0 [ 168.085029][ T6049] ? __x64_sys_mount+0xc0/0xc0 [ 168.089799][ T6049] ? lockdep_hardirqs_on+0x98/0x150 [ 168.095000][ T6049] ? __x64_sys_mount+0x20/0xc0 [ 168.099762][ T6049] do_syscall_64+0x55/0xb0 [ 168.104172][ T6049] ? clear_bhb_loop+0x40/0x90 [ 168.108843][ T6049] ? clear_bhb_loop+0x40/0x90 [ 168.113511][ T6049] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 168.119405][ T6049] RIP: 0033:0x7fec8538e9a9 [ 168.123811][ T6049] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 168.143410][ T6049] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 168.151813][ T6049] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 168.159771][ T6049] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 168.167729][ T6049] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 168.175686][ T6049] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 168.183643][ T6049] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 168.191613][ T6049] [ 168.547518][ T6055] loop0: detected capacity change from 0 to 32768 [ 168.567239][ T6055] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 168.575561][ T6055] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 168.587867][ T6055] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 168.597155][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 168.605223][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 168.654056][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 48ms [ 168.663756][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 168.669112][ T6055] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 168.685387][ T6055] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 168.696180][ T6055] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 168.696180][ T6055] inode = 12 2341 [ 168.696180][ T6055] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 168.715404][ T6055] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 168.724541][ T6055] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6055 [syz.0.39] __gfs2_lookup+0x90/0x270 [ 168.735810][ T6055] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 168.738465][ T6057] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 168.748435][ T6055] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 168.755299][ T6057] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 168.761292][ T6055] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 168.779086][ T6057] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6055 [syz.0.39] __gfs2_lookup+0x90/0x270 [ 168.779162][ T6055] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 168.788607][ T6057] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6057 [syz.0.39] __gfs2_lookup+0x90/0x270 [ 168.796246][ T6055] gfs2: fsid=syz:syz.0: File system withdrawn [ 168.810820][ T6055] CPU: 0 PID: 6055 Comm: syz.0.39 Not tainted 6.6.100-syzkaller #0 [ 168.811692][ T6057] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 168.818711][ T6055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 168.818722][ T6055] Call Trace: [ 168.818729][ T6055] [ 168.818736][ T6055] dump_stack_lvl+0x16c/0x230 [ 168.818761][ T6055] ? kobject_uevent_env+0x363/0x8c0 [ 168.818784][ T6055] ? show_regs_print_info+0x20/0x20 [ 168.818801][ T6055] ? load_image+0x3b0/0x3b0 [ 168.818823][ T6055] ? kobject_uevent_env+0x363/0x8c0 [ 168.818850][ T6055] gfs2_withdraw+0xf16/0x14b0 [ 168.818882][ T6055] ? gfs2_lm+0x220/0x220 [ 168.876970][ T6055] ? load_image+0x3b0/0x3b0 [ 168.881467][ T6055] ? gfs2_consist_inode_i+0xf5/0x110 [ 168.886742][ T6055] gfs2_dirent_scan+0x525/0x650 [ 168.891577][ T6055] ? gfs2_dirent_search+0x7e0/0x7e0 [ 168.896759][ T6055] ? gfs2_dirent_search+0x7e0/0x7e0 [ 168.901936][ T6055] gfs2_dirent_search+0x2e1/0x7e0 [ 168.906947][ T6055] ? gfs2_permission+0x370/0x430 [ 168.911871][ T6055] ? __might_sleep+0xe0/0xe0 [ 168.916448][ T6055] ? gfs2_dir_search+0x220/0x220 [ 168.921376][ T6055] ? gfs2_lookupi+0x5a0/0x5a0 [ 168.926044][ T6055] ? do_raw_spin_lock+0x121/0x2c0 [ 168.931066][ T6055] gfs2_dir_search+0x4d/0x220 [ 168.935735][ T6055] gfs2_lookupi+0x3d9/0x5a0 [ 168.940237][ T6055] ? gfs2_lookup_meta+0x170/0x170 [ 168.945251][ T6055] ? d_alloc_parallel+0x1373/0x1480 [ 168.950443][ T6055] ? __gfs2_lookup+0x90/0x270 [ 168.955112][ T6055] ? d_alloc_parallel+0x2d8/0x1480 [ 168.960216][ T6055] __gfs2_lookup+0x90/0x270 [ 168.964712][ T6055] ? lockdep_softirqs_off+0x430/0x430 [ 168.970074][ T6055] ? gfs2_atomic_open+0x220/0x220 [ 168.975099][ T6055] ? __init_waitqueue_head+0xa9/0x150 [ 168.980469][ T6055] __lookup_slow+0x281/0x3b0 [ 168.985057][ T6055] ? lookup_one_len+0x2c0/0x2c0 [ 168.989911][ T6055] ? down_read+0x1ac/0x2e0 [ 168.994320][ T6055] lookup_slow+0x53/0x70 [ 168.998559][ T6055] walk_component+0x2be/0x3f0 [ 169.003224][ T6055] ? path_lookupat+0x15c/0x440 [ 169.007980][ T6055] path_lookupat+0x169/0x440 [ 169.012566][ T6055] filename_lookup+0x1f4/0x510 [ 169.017321][ T6055] ? __virt_addr_valid+0x18c/0x540 [ 169.022423][ T6055] ? hashlen_string+0x110/0x110 [ 169.027279][ T6055] ? strncpy_from_user+0x197/0x2e0 [ 169.032380][ T6055] ? getname_flags+0x20a/0x500 [ 169.037139][ T6055] user_path_at_empty+0x42/0x60 [ 169.042005][ T6055] __se_sys_mount+0x29b/0x3c0 [ 169.046701][ T6055] ? __x64_sys_mount+0xc0/0xc0 [ 169.051466][ T6055] ? lockdep_hardirqs_on+0x98/0x150 [ 169.056658][ T6055] ? __x64_sys_mount+0x20/0xc0 [ 169.061423][ T6055] do_syscall_64+0x55/0xb0 [ 169.065834][ T6055] ? clear_bhb_loop+0x40/0x90 [ 169.070496][ T6055] ? clear_bhb_loop+0x40/0x90 [ 169.075161][ T6055] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 169.081050][ T6055] RIP: 0033:0x7fec8538e9a9 [ 169.085454][ T6055] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 169.105047][ T6055] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 169.113451][ T6055] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 169.121410][ T6055] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 169.129372][ T6055] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 169.137329][ T6055] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 169.145285][ T6055] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 169.153255][ T6055] 2025/07/25 14:35:47 executed programs: 26 [ 169.502943][ T6059] loop0: detected capacity change from 0 to 32768 [ 169.522929][ T6059] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 169.531834][ T6059] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 169.552150][ T6059] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 169.561464][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 169.571493][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 169.620125][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 48ms [ 169.629508][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 169.635016][ T6059] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 169.649433][ T6059] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 169.659069][ T6059] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 169.659069][ T6059] inode = 12 2341 [ 169.659069][ T6059] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 169.678429][ T6059] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 169.687528][ T6059] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6059 [syz.0.40] __gfs2_lookup+0x90/0x270 [ 169.697284][ T6059] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 169.705754][ T6059] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 169.713029][ T6059] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 169.721792][ T6059] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 169.730426][ T6059] gfs2: fsid=syz:syz.0: File system withdrawn [ 169.736554][ T6059] CPU: 0 PID: 6059 Comm: syz.0.40 Not tainted 6.6.100-syzkaller #0 [ 169.744445][ T6059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 169.754486][ T6059] Call Trace: [ 169.757750][ T6059] [ 169.760693][ T6059] dump_stack_lvl+0x16c/0x230 [ 169.765359][ T6059] ? show_regs_print_info+0x20/0x20 [ 169.770543][ T6059] ? load_image+0x3b0/0x3b0 [ 169.775034][ T6059] ? kobject_uevent_env+0x363/0x8c0 [ 169.780225][ T6059] gfs2_withdraw+0xf16/0x14b0 [ 169.784900][ T6059] ? gfs2_lm+0x220/0x220 [ 169.789138][ T6059] ? load_image+0x3b0/0x3b0 [ 169.793631][ T6059] ? gfs2_consist_inode_i+0xf5/0x110 [ 169.798904][ T6059] gfs2_dirent_scan+0x525/0x650 [ 169.803746][ T6059] ? gfs2_dirent_search+0x7e0/0x7e0 [ 169.809020][ T6059] ? gfs2_dirent_search+0x7e0/0x7e0 [ 169.814202][ T6059] gfs2_dirent_search+0x2e1/0x7e0 [ 169.819212][ T6059] ? gfs2_permission+0x370/0x430 [ 169.824147][ T6059] ? __might_sleep+0xe0/0xe0 [ 169.828739][ T6059] ? gfs2_dir_search+0x220/0x220 [ 169.833679][ T6059] ? gfs2_lookupi+0x5a0/0x5a0 [ 169.838347][ T6059] ? do_raw_spin_lock+0x121/0x2c0 [ 169.843370][ T6059] gfs2_dir_search+0x4d/0x220 [ 169.848039][ T6059] gfs2_lookupi+0x3d9/0x5a0 [ 169.852536][ T6059] ? gfs2_lookup_meta+0x170/0x170 [ 169.857549][ T6059] ? d_alloc_parallel+0x1373/0x1480 [ 169.862742][ T6059] ? __gfs2_lookup+0x90/0x270 [ 169.867416][ T6059] ? d_alloc_parallel+0x2d8/0x1480 [ 169.872521][ T6059] __gfs2_lookup+0x90/0x270 [ 169.877022][ T6059] ? lockdep_softirqs_off+0x430/0x430 [ 169.882388][ T6059] ? gfs2_atomic_open+0x220/0x220 [ 169.887408][ T6059] ? __init_waitqueue_head+0xa9/0x150 [ 169.892775][ T6059] __lookup_slow+0x281/0x3b0 [ 169.897359][ T6059] ? lookup_one_len+0x2c0/0x2c0 [ 169.902211][ T6059] ? down_read+0x1ac/0x2e0 [ 169.906617][ T6059] lookup_slow+0x53/0x70 [ 169.910853][ T6059] walk_component+0x2be/0x3f0 [ 169.915524][ T6059] ? path_lookupat+0x15c/0x440 [ 169.920280][ T6059] path_lookupat+0x169/0x440 [ 169.924864][ T6059] filename_lookup+0x1f4/0x510 [ 169.929618][ T6059] ? __virt_addr_valid+0x18c/0x540 [ 169.934722][ T6059] ? hashlen_string+0x110/0x110 [ 169.939580][ T6059] ? strncpy_from_user+0x197/0x2e0 [ 169.944683][ T6059] ? getname_flags+0x20a/0x500 [ 169.949441][ T6059] user_path_at_empty+0x42/0x60 [ 169.954286][ T6059] __se_sys_mount+0x29b/0x3c0 [ 169.958953][ T6059] ? __x64_sys_mount+0xc0/0xc0 [ 169.963705][ T6059] ? lockdep_hardirqs_on+0x98/0x150 [ 169.968893][ T6059] ? __x64_sys_mount+0x20/0xc0 [ 169.973648][ T6059] do_syscall_64+0x55/0xb0 [ 169.978051][ T6059] ? clear_bhb_loop+0x40/0x90 [ 169.982714][ T6059] ? clear_bhb_loop+0x40/0x90 [ 169.987377][ T6059] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 169.993261][ T6059] RIP: 0033:0x7fec8538e9a9 [ 169.997663][ T6059] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 170.017266][ T6059] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 170.025681][ T6059] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 170.033644][ T6059] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 170.041608][ T6059] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 170.049577][ T6059] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 170.057541][ T6059] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 170.065516][ T6059] [ 170.411690][ T6063] loop0: detected capacity change from 0 to 32768 [ 170.433728][ T6063] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 170.441930][ T6063] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 170.455982][ T6063] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 170.465371][ T967] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 170.472178][ T967] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 170.528918][ T967] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 56ms [ 170.537523][ T967] gfs2: fsid=syz:syz.0: jid=0: Done [ 170.544557][ T6063] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 170.557994][ T6063] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 170.567728][ T6063] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 170.567728][ T6063] inode = 12 2341 [ 170.567728][ T6063] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 170.586400][ T6063] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 170.595552][ T6063] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6063 [syz.0.41] __gfs2_lookup+0x90/0x270 [ 170.605026][ T6063] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 170.613833][ T6063] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 170.621044][ T6063] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 170.629870][ T6063] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 170.636446][ T6063] gfs2: fsid=syz:syz.0: File system withdrawn [ 170.642579][ T6063] CPU: 1 PID: 6063 Comm: syz.0.41 Not tainted 6.6.100-syzkaller #0 [ 170.650470][ T6063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 170.660517][ T6063] Call Trace: [ 170.663788][ T6063] [ 170.666713][ T6063] dump_stack_lvl+0x16c/0x230 [ 170.671388][ T6063] ? kobject_uevent_env+0x363/0x8c0 [ 170.676589][ T6063] ? show_regs_print_info+0x20/0x20 [ 170.681775][ T6063] ? load_image+0x3b0/0x3b0 [ 170.686274][ T6063] ? kobject_uevent_env+0x363/0x8c0 [ 170.691469][ T6063] gfs2_withdraw+0xf16/0x14b0 [ 170.696153][ T6063] ? gfs2_lm+0x220/0x220 [ 170.700389][ T6063] ? load_image+0x3b0/0x3b0 [ 170.704892][ T6063] ? gfs2_consist_inode_i+0xf5/0x110 [ 170.710173][ T6063] gfs2_dirent_scan+0x525/0x650 [ 170.715017][ T6063] ? gfs2_dirent_search+0x7e0/0x7e0 [ 170.720204][ T6063] ? gfs2_dirent_search+0x7e0/0x7e0 [ 170.725389][ T6063] gfs2_dirent_search+0x2e1/0x7e0 [ 170.730406][ T6063] ? gfs2_permission+0x370/0x430 [ 170.735335][ T6063] ? __might_sleep+0xe0/0xe0 [ 170.739917][ T6063] ? gfs2_dir_search+0x220/0x220 [ 170.744843][ T6063] ? gfs2_lookupi+0x5a0/0x5a0 [ 170.749509][ T6063] ? do_raw_spin_lock+0x121/0x2c0 [ 170.754535][ T6063] gfs2_dir_search+0x4d/0x220 [ 170.759207][ T6063] gfs2_lookupi+0x3d9/0x5a0 [ 170.763710][ T6063] ? gfs2_lookup_meta+0x170/0x170 [ 170.768722][ T6063] ? d_alloc_parallel+0x1373/0x1480 [ 170.774001][ T6063] ? __gfs2_lookup+0x90/0x270 [ 170.778671][ T6063] ? d_alloc_parallel+0x2d8/0x1480 [ 170.783787][ T6063] __gfs2_lookup+0x90/0x270 [ 170.788283][ T6063] ? lockdep_softirqs_off+0x430/0x430 [ 170.793645][ T6063] ? gfs2_atomic_open+0x220/0x220 [ 170.798675][ T6063] ? __init_waitqueue_head+0xa9/0x150 [ 170.804048][ T6063] __lookup_slow+0x281/0x3b0 [ 170.808636][ T6063] ? lookup_one_len+0x2c0/0x2c0 [ 170.813490][ T6063] ? down_read+0x1ac/0x2e0 [ 170.817902][ T6063] lookup_slow+0x53/0x70 [ 170.822136][ T6063] walk_component+0x2be/0x3f0 [ 170.826800][ T6063] ? path_lookupat+0x15c/0x440 [ 170.831557][ T6063] path_lookupat+0x169/0x440 [ 170.836158][ T6063] filename_lookup+0x1f4/0x510 [ 170.840923][ T6063] ? __virt_addr_valid+0x18c/0x540 [ 170.846030][ T6063] ? hashlen_string+0x110/0x110 [ 170.850890][ T6063] ? strncpy_from_user+0x197/0x2e0 [ 170.855998][ T6063] ? getname_flags+0x20a/0x500 [ 170.860771][ T6063] user_path_at_empty+0x42/0x60 [ 170.865624][ T6063] __se_sys_mount+0x29b/0x3c0 [ 170.870313][ T6063] ? __x64_sys_mount+0xc0/0xc0 [ 170.875078][ T6063] ? lockdep_hardirqs_on+0x98/0x150 [ 170.880266][ T6063] ? __x64_sys_mount+0x20/0xc0 [ 170.885019][ T6063] do_syscall_64+0x55/0xb0 [ 170.889427][ T6063] ? clear_bhb_loop+0x40/0x90 [ 170.894091][ T6063] ? clear_bhb_loop+0x40/0x90 [ 170.898759][ T6063] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 170.904648][ T6063] RIP: 0033:0x7fec8538e9a9 [ 170.909056][ T6063] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 170.928655][ T6063] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 170.937060][ T6063] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 170.945020][ T6063] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 170.952980][ T6063] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 170.960939][ T6063] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 170.968902][ T6063] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 170.976876][ T6063] [ 171.319898][ T6067] loop0: detected capacity change from 0 to 32768 [ 171.340833][ T6067] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 171.350095][ T6067] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 171.361670][ T6067] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 171.371462][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 171.378359][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 171.443099][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 64ms [ 171.450798][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 171.458091][ T6067] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 171.476077][ T6067] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 171.492368][ T6067] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 171.492368][ T6067] inode = 12 2341 [ 171.492368][ T6067] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 171.511108][ T6067] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 171.520631][ T6067] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6067 [syz.0.42] __gfs2_lookup+0x90/0x270 [ 171.531672][ T6067] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 171.540613][ T6069] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 171.543391][ T6067] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 171.550238][ T6069] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 171.558742][ T6067] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 171.566559][ T6069] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6067 [syz.0.42] __gfs2_lookup+0x90/0x270 [ 171.566598][ T6069] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6069 [syz.0.42] __gfs2_lookup+0x90/0x270 [ 171.566628][ T6069] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 171.603684][ T6067] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 171.610316][ T6067] gfs2: fsid=syz:syz.0: File system withdrawn [ 171.616515][ T6067] CPU: 1 PID: 6067 Comm: syz.0.42 Not tainted 6.6.100-syzkaller #0 [ 171.624410][ T6067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 171.634452][ T6067] Call Trace: [ 171.637718][ T6067] [ 171.640637][ T6067] dump_stack_lvl+0x16c/0x230 [ 171.645313][ T6067] ? kobject_uevent_env+0x363/0x8c0 [ 171.650513][ T6067] ? show_regs_print_info+0x20/0x20 [ 171.655704][ T6067] ? load_image+0x3b0/0x3b0 [ 171.660201][ T6067] ? kobject_uevent_env+0x363/0x8c0 [ 171.665398][ T6067] gfs2_withdraw+0xf16/0x14b0 [ 171.670076][ T6067] ? gfs2_lm+0x220/0x220 [ 171.674310][ T6067] ? load_image+0x3b0/0x3b0 [ 171.678808][ T6067] ? gfs2_consist_inode_i+0xf5/0x110 [ 171.684085][ T6067] gfs2_dirent_scan+0x525/0x650 [ 171.688925][ T6067] ? gfs2_dirent_search+0x7e0/0x7e0 [ 171.694111][ T6067] ? gfs2_dirent_search+0x7e0/0x7e0 [ 171.699295][ T6067] gfs2_dirent_search+0x2e1/0x7e0 [ 171.704308][ T6067] ? gfs2_permission+0x370/0x430 [ 171.709236][ T6067] ? __might_sleep+0xe0/0xe0 [ 171.713815][ T6067] ? gfs2_dir_search+0x220/0x220 [ 171.718741][ T6067] ? gfs2_lookupi+0x5a0/0x5a0 [ 171.723446][ T6067] ? do_raw_spin_lock+0x121/0x2c0 [ 171.728466][ T6067] gfs2_dir_search+0x4d/0x220 [ 171.733135][ T6067] gfs2_lookupi+0x3d9/0x5a0 [ 171.737636][ T6067] ? gfs2_lookup_meta+0x170/0x170 [ 171.742649][ T6067] ? d_alloc_parallel+0x1373/0x1480 [ 171.747863][ T6067] ? __gfs2_lookup+0x90/0x270 [ 171.752540][ T6067] ? d_alloc_parallel+0x2d8/0x1480 [ 171.757645][ T6067] __gfs2_lookup+0x90/0x270 [ 171.762141][ T6067] ? lockdep_softirqs_off+0x430/0x430 [ 171.767500][ T6067] ? gfs2_atomic_open+0x220/0x220 [ 171.772520][ T6067] ? __init_waitqueue_head+0xa9/0x150 [ 171.777886][ T6067] __lookup_slow+0x281/0x3b0 [ 171.782477][ T6067] ? lookup_one_len+0x2c0/0x2c0 [ 171.787328][ T6067] ? down_read+0x1ac/0x2e0 [ 171.791735][ T6067] lookup_slow+0x53/0x70 [ 171.795968][ T6067] walk_component+0x2be/0x3f0 [ 171.800633][ T6067] ? path_lookupat+0x15c/0x440 [ 171.805389][ T6067] path_lookupat+0x169/0x440 [ 171.809972][ T6067] filename_lookup+0x1f4/0x510 [ 171.814726][ T6067] ? __virt_addr_valid+0x18c/0x540 [ 171.819832][ T6067] ? hashlen_string+0x110/0x110 [ 171.824690][ T6067] ? strncpy_from_user+0x197/0x2e0 [ 171.829792][ T6067] ? getname_flags+0x20a/0x500 [ 171.834549][ T6067] user_path_at_empty+0x42/0x60 [ 171.839392][ T6067] __se_sys_mount+0x29b/0x3c0 [ 171.844059][ T6067] ? __x64_sys_mount+0xc0/0xc0 [ 171.848811][ T6067] ? lockdep_hardirqs_on+0x98/0x150 [ 171.853999][ T6067] ? __x64_sys_mount+0x20/0xc0 [ 171.858765][ T6067] do_syscall_64+0x55/0xb0 [ 171.863183][ T6067] ? clear_bhb_loop+0x40/0x90 [ 171.867849][ T6067] ? clear_bhb_loop+0x40/0x90 [ 171.872533][ T6067] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 171.878426][ T6067] RIP: 0033:0x7fec8538e9a9 [ 171.882838][ T6067] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 171.902442][ T6067] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 171.910846][ T6067] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 171.918814][ T6067] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 171.926776][ T6067] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 171.934736][ T6067] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 171.942696][ T6067] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 171.950668][ T6067] [ 172.306299][ T6071] loop0: detected capacity change from 0 to 32768 [ 172.319438][ T6071] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 172.333460][ T6071] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 172.346541][ T6071] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 172.355919][ T23] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 172.363498][ T23] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 172.432148][ T23] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 68ms [ 172.443452][ T23] gfs2: fsid=syz:syz.0: jid=0: Done [ 172.448749][ T6071] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 172.461364][ T6071] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 172.472193][ T6071] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 172.472193][ T6071] inode = 12 2341 [ 172.472193][ T6071] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 172.494471][ T6071] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 172.512230][ T6071] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6071 [syz.0.43] __gfs2_lookup+0x90/0x270 [ 172.516572][ T6073] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 172.522346][ T6071] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6073 [syz.0.43] __gfs2_lookup+0x90/0x270 [ 172.542206][ T6071] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 172.546526][ T6073] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 172.546526][ T6073] inode = 12 2341 [ 172.546526][ T6073] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 172.551274][ T6071] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 172.569393][ T6073] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 172.578005][ T6071] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 172.586876][ T6073] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6071 [syz.0.43] __gfs2_lookup+0x90/0x270 [ 172.596335][ T6071] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 172.604524][ T6073] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6073 [syz.0.43] __gfs2_lookup+0x90/0x270 [ 172.611206][ T6071] gfs2: fsid=syz:syz.0: File system withdrawn [ 172.620788][ T6073] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 172.634964][ T6071] CPU: 1 PID: 6071 Comm: syz.0.43 Not tainted 6.6.100-syzkaller #0 [ 172.642863][ T6071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 172.652907][ T6071] Call Trace: [ 172.656177][ T6071] [ 172.659099][ T6071] dump_stack_lvl+0x16c/0x230 [ 172.663772][ T6071] ? kobject_uevent_env+0x363/0x8c0 [ 172.668972][ T6071] ? show_regs_print_info+0x20/0x20 [ 172.674160][ T6071] ? load_image+0x3b0/0x3b0 [ 172.678659][ T6071] ? kobject_uevent_env+0x363/0x8c0 [ 172.683856][ T6071] gfs2_withdraw+0xf16/0x14b0 [ 172.688534][ T6071] ? gfs2_lm+0x220/0x220 [ 172.692769][ T6071] ? load_image+0x3b0/0x3b0 [ 172.697274][ T6071] ? gfs2_consist_inode_i+0xf5/0x110 [ 172.702553][ T6071] gfs2_dirent_scan+0x525/0x650 [ 172.707394][ T6071] ? gfs2_dirent_search+0x7e0/0x7e0 [ 172.712581][ T6071] ? gfs2_dirent_search+0x7e0/0x7e0 [ 172.717768][ T6071] gfs2_dirent_search+0x2e1/0x7e0 [ 172.722797][ T6071] ? gfs2_permission+0x370/0x430 [ 172.727734][ T6071] ? __might_sleep+0xe0/0xe0 [ 172.732323][ T6071] ? gfs2_dir_search+0x220/0x220 [ 172.737253][ T6071] ? gfs2_lookupi+0x5a0/0x5a0 [ 172.741923][ T6071] ? do_raw_spin_lock+0x121/0x2c0 [ 172.746949][ T6071] gfs2_dir_search+0x4d/0x220 [ 172.751622][ T6071] gfs2_lookupi+0x3d9/0x5a0 [ 172.756123][ T6071] ? gfs2_lookup_meta+0x170/0x170 [ 172.761138][ T6071] ? d_alloc_parallel+0x1373/0x1480 [ 172.766333][ T6071] ? __gfs2_lookup+0x90/0x270 [ 172.771007][ T6071] ? d_alloc_parallel+0x2d8/0x1480 [ 172.776113][ T6071] __gfs2_lookup+0x90/0x270 [ 172.780610][ T6071] ? lockdep_softirqs_off+0x430/0x430 [ 172.785974][ T6071] ? gfs2_atomic_open+0x220/0x220 [ 172.790994][ T6071] ? __init_waitqueue_head+0xa9/0x150 [ 172.796360][ T6071] __lookup_slow+0x281/0x3b0 [ 172.800946][ T6071] ? lookup_one_len+0x2c0/0x2c0 [ 172.805806][ T6071] ? down_read+0x1ac/0x2e0 [ 172.810217][ T6071] lookup_slow+0x53/0x70 [ 172.814457][ T6071] walk_component+0x2be/0x3f0 [ 172.819124][ T6071] ? path_lookupat+0x15c/0x440 [ 172.823884][ T6071] path_lookupat+0x169/0x440 [ 172.828471][ T6071] filename_lookup+0x1f4/0x510 [ 172.833225][ T6071] ? __virt_addr_valid+0x18c/0x540 [ 172.838331][ T6071] ? hashlen_string+0x110/0x110 [ 172.843197][ T6071] ? strncpy_from_user+0x197/0x2e0 [ 172.848300][ T6071] ? getname_flags+0x20a/0x500 [ 172.853062][ T6071] user_path_at_empty+0x42/0x60 [ 172.857908][ T6071] __se_sys_mount+0x29b/0x3c0 [ 172.862585][ T6071] ? __x64_sys_mount+0xc0/0xc0 [ 172.867342][ T6071] ? lockdep_hardirqs_on+0x98/0x150 [ 172.872533][ T6071] ? __x64_sys_mount+0x20/0xc0 [ 172.877289][ T6071] do_syscall_64+0x55/0xb0 [ 172.881719][ T6071] ? clear_bhb_loop+0x40/0x90 [ 172.886406][ T6071] ? clear_bhb_loop+0x40/0x90 [ 172.891086][ T6071] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 172.896989][ T6071] RIP: 0033:0x7fec8538e9a9 [ 172.901398][ T6071] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 172.920995][ T6071] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 172.929400][ T6071] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 172.937358][ T6071] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 172.945317][ T6071] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 172.953275][ T6071] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 172.961233][ T6071] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 172.969204][ T6071] [ 173.313894][ T6075] loop0: detected capacity change from 0 to 32768 [ 173.328900][ T6075] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 173.338060][ T6075] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 173.351240][ T6075] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 173.361171][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 173.369573][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 173.440808][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 71ms [ 173.449540][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 173.454934][ T6075] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 173.466765][ T6075] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 173.477894][ T6075] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 173.477894][ T6075] inode = 12 2341 [ 173.477894][ T6075] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 173.498017][ T6075] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 173.507405][ T6075] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6075 [syz.0.44] __gfs2_lookup+0x90/0x270 [ 173.519012][ T6075] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 173.519212][ T6077] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 173.527537][ T6075] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 173.527551][ T6075] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 173.527562][ T6075] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 173.527755][ T6075] gfs2: fsid=syz:syz.0: File system withdrawn [ 173.538357][ T6077] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 173.569806][ T6075] CPU: 0 PID: 6075 Comm: syz.0.44 Not tainted 6.6.100-syzkaller #0 [ 173.569828][ T6075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 173.569838][ T6075] Call Trace: [ 173.569846][ T6075] [ 173.569854][ T6075] dump_stack_lvl+0x16c/0x230 [ 173.569877][ T6075] ? kobject_uevent_env+0x363/0x8c0 [ 173.569900][ T6075] ? show_regs_print_info+0x20/0x20 [ 173.569919][ T6075] ? load_image+0x3b0/0x3b0 [ 173.580127][ T6077] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6075 [syz.0.44] __gfs2_lookup+0x90/0x270 [ 173.586786][ T6075] ? kobject_uevent_env+0x363/0x8c0 [ 173.586818][ T6075] gfs2_withdraw+0xf16/0x14b0 [ 173.586851][ T6075] ? gfs2_lm+0x220/0x220 [ 173.596908][ T6077] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6077 [syz.0.44] __gfs2_lookup+0x90/0x270 [ 173.600143][ T6075] ? load_image+0x3b0/0x3b0 [ 173.603085][ T6077] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 173.607746][ T6075] ? gfs2_consist_inode_i+0xf5/0x110 [ 173.673409][ T6075] gfs2_dirent_scan+0x525/0x650 [ 173.678247][ T6075] ? gfs2_dirent_search+0x7e0/0x7e0 [ 173.683429][ T6075] ? gfs2_dirent_search+0x7e0/0x7e0 [ 173.688607][ T6075] gfs2_dirent_search+0x2e1/0x7e0 [ 173.693610][ T6075] ? gfs2_permission+0x370/0x430 [ 173.698531][ T6075] ? __might_sleep+0xe0/0xe0 [ 173.703101][ T6075] ? gfs2_dir_search+0x220/0x220 [ 173.708015][ T6075] ? gfs2_lookupi+0x5a0/0x5a0 [ 173.712670][ T6075] ? do_raw_spin_lock+0x121/0x2c0 [ 173.717681][ T6075] gfs2_dir_search+0x4d/0x220 [ 173.722336][ T6075] gfs2_lookupi+0x3d9/0x5a0 [ 173.726824][ T6075] ? gfs2_lookup_meta+0x170/0x170 [ 173.731827][ T6075] ? d_alloc_parallel+0x1373/0x1480 [ 173.737009][ T6075] ? __gfs2_lookup+0x90/0x270 [ 173.741668][ T6075] ? d_alloc_parallel+0x2d8/0x1480 [ 173.746766][ T6075] __gfs2_lookup+0x90/0x270 [ 173.751250][ T6075] ? lockdep_softirqs_off+0x430/0x430 [ 173.756601][ T6075] ? gfs2_atomic_open+0x220/0x220 [ 173.761611][ T6075] ? __init_waitqueue_head+0xa9/0x150 [ 173.766965][ T6075] __lookup_slow+0x281/0x3b0 [ 173.771541][ T6075] ? lookup_one_len+0x2c0/0x2c0 [ 173.776389][ T6075] ? down_read+0x1ac/0x2e0 [ 173.780786][ T6075] lookup_slow+0x53/0x70 [ 173.785021][ T6075] walk_component+0x2be/0x3f0 [ 173.789677][ T6075] ? path_lookupat+0x15c/0x440 [ 173.794426][ T6075] path_lookupat+0x169/0x440 [ 173.799004][ T6075] filename_lookup+0x1f4/0x510 [ 173.803753][ T6075] ? __virt_addr_valid+0x18c/0x540 [ 173.808856][ T6075] ? hashlen_string+0x110/0x110 [ 173.813700][ T6075] ? strncpy_from_user+0x197/0x2e0 [ 173.818799][ T6075] ? getname_flags+0x20a/0x500 [ 173.823544][ T6075] user_path_at_empty+0x42/0x60 [ 173.828379][ T6075] __se_sys_mount+0x29b/0x3c0 [ 173.833036][ T6075] ? __x64_sys_mount+0xc0/0xc0 [ 173.837781][ T6075] ? lockdep_hardirqs_on+0x98/0x150 [ 173.842958][ T6075] ? __x64_sys_mount+0x20/0xc0 [ 173.847706][ T6075] do_syscall_64+0x55/0xb0 [ 173.852100][ T6075] ? clear_bhb_loop+0x40/0x90 [ 173.856761][ T6075] ? clear_bhb_loop+0x40/0x90 [ 173.861416][ T6075] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 173.867312][ T6075] RIP: 0033:0x7fec8538e9a9 [ 173.871728][ T6075] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 173.891324][ T6075] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 173.899728][ T6075] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 173.907688][ T6075] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 173.915644][ T6075] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 173.923599][ T6075] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 173.931551][ T6075] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 173.939513][ T6075] [ 174.284669][ T6079] loop0: detected capacity change from 0 to 32768 [ 174.304095][ T6079] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 174.314790][ T6079] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 174.326960][ T6079] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 174.336254][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 174.344101][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 174.401276][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 57ms [ 174.408999][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 174.416398][ T6079] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 174.435858][ T6079] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 174.445794][ T6079] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 174.445794][ T6079] inode = 12 2341 [ 174.445794][ T6079] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 174.482378][ T6079] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 174.487470][ T6081] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 174.491485][ T6079] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6079 [syz.0.45] __gfs2_lookup+0x90/0x270 [ 174.501280][ T6081] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 174.501280][ T6081] inode = 12 2341 [ 174.501280][ T6081] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 174.530210][ T6081] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 174.541034][ T6081] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6079 [syz.0.45] __gfs2_lookup+0x90/0x270 [ 174.546879][ T6079] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6081 [syz.0.45] __gfs2_lookup+0x90/0x270 [ 174.550866][ T6081] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6081 [syz.0.45] __gfs2_lookup+0x90/0x270 [ 174.561226][ T6079] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 174.569561][ T6081] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 174.579534][ T6079] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 174.599531][ T6079] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 174.608341][ T6079] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 174.615032][ T6079] gfs2: fsid=syz:syz.0: File system withdrawn [ 174.621710][ T6079] CPU: 0 PID: 6079 Comm: syz.0.45 Not tainted 6.6.100-syzkaller #0 [ 174.629613][ T6079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 174.639653][ T6079] Call Trace: [ 174.642934][ T6079] [ 174.645856][ T6079] dump_stack_lvl+0x16c/0x230 [ 174.650526][ T6079] ? kobject_uevent_env+0x363/0x8c0 [ 174.655716][ T6079] ? show_regs_print_info+0x20/0x20 [ 174.660909][ T6079] ? load_image+0x3b0/0x3b0 [ 174.665420][ T6079] ? kobject_uevent_env+0x363/0x8c0 [ 174.670621][ T6079] gfs2_withdraw+0xf16/0x14b0 [ 174.675298][ T6079] ? gfs2_lm+0x220/0x220 [ 174.679534][ T6079] ? load_image+0x3b0/0x3b0 [ 174.684029][ T6079] ? gfs2_consist_inode_i+0xf5/0x110 [ 174.689303][ T6079] gfs2_dirent_scan+0x525/0x650 [ 174.694140][ T6079] ? gfs2_dirent_search+0x7e0/0x7e0 [ 174.699337][ T6079] ? gfs2_dirent_search+0x7e0/0x7e0 [ 174.704525][ T6079] gfs2_dirent_search+0x2e1/0x7e0 [ 174.709536][ T6079] ? gfs2_permission+0x370/0x430 [ 174.714461][ T6079] ? __might_sleep+0xe0/0xe0 [ 174.719037][ T6079] ? gfs2_dir_search+0x220/0x220 [ 174.723972][ T6079] ? gfs2_lookupi+0x5a0/0x5a0 [ 174.728651][ T6079] ? do_raw_spin_lock+0x121/0x2c0 [ 174.733669][ T6079] gfs2_dir_search+0x4d/0x220 [ 174.738332][ T6079] gfs2_lookupi+0x3d9/0x5a0 [ 174.742826][ T6079] ? gfs2_lookup_meta+0x170/0x170 [ 174.747835][ T6079] ? d_alloc_parallel+0x1373/0x1480 [ 174.753119][ T6079] ? __gfs2_lookup+0x90/0x270 [ 174.757788][ T6079] ? d_alloc_parallel+0x2d8/0x1480 [ 174.762888][ T6079] __gfs2_lookup+0x90/0x270 [ 174.767390][ T6079] ? lockdep_softirqs_off+0x430/0x430 [ 174.772766][ T6079] ? gfs2_atomic_open+0x220/0x220 [ 174.777807][ T6079] ? __init_waitqueue_head+0xa9/0x150 [ 174.783183][ T6079] __lookup_slow+0x281/0x3b0 [ 174.787764][ T6079] ? lookup_one_len+0x2c0/0x2c0 [ 174.792610][ T6079] ? down_read+0x1ac/0x2e0 [ 174.797014][ T6079] lookup_slow+0x53/0x70 [ 174.801242][ T6079] walk_component+0x2be/0x3f0 [ 174.805901][ T6079] ? path_lookupat+0x15c/0x440 [ 174.810652][ T6079] path_lookupat+0x169/0x440 [ 174.815240][ T6079] filename_lookup+0x1f4/0x510 [ 174.819991][ T6079] ? __virt_addr_valid+0x18c/0x540 [ 174.825095][ T6079] ? hashlen_string+0x110/0x110 [ 174.829942][ T6079] ? strncpy_from_user+0x197/0x2e0 [ 174.835038][ T6079] ? getname_flags+0x20a/0x500 [ 174.839790][ T6079] user_path_at_empty+0x42/0x60 [ 174.844632][ T6079] __se_sys_mount+0x29b/0x3c0 [ 174.849316][ T6079] ? __x64_sys_mount+0xc0/0xc0 [ 174.854075][ T6079] ? lockdep_hardirqs_on+0x98/0x150 [ 174.859261][ T6079] ? __x64_sys_mount+0x20/0xc0 [ 174.864007][ T6079] do_syscall_64+0x55/0xb0 [ 174.868421][ T6079] ? clear_bhb_loop+0x40/0x90 [ 174.873097][ T6079] ? clear_bhb_loop+0x40/0x90 [ 174.877778][ T6079] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 174.883665][ T6079] RIP: 0033:0x7fec8538e9a9 [ 174.888066][ T6079] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 174.907662][ T6079] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 174.916061][ T6079] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 174.924020][ T6079] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 174.931978][ T6079] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 174.939931][ T6079] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 174.947882][ T6079] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 174.955847][ T6079] 2025/07/25 14:35:53 executed programs: 32 [ 175.299960][ T6083] loop0: detected capacity change from 0 to 32768 [ 175.315794][ T6083] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 175.330382][ T6083] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 175.363675][ T6083] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 175.387698][ T8] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 175.397407][ T8] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 175.446830][ T8] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 49ms [ 175.455132][ T8] gfs2: fsid=syz:syz.0: jid=0: Done [ 175.460390][ T6083] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 175.475676][ T6083] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 175.490040][ T6083] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 175.490040][ T6083] inode = 12 2341 [ 175.490040][ T6083] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 175.510645][ T6083] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 175.520262][ T6083] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6083 [syz.0.46] __gfs2_lookup+0x90/0x270 [ 175.530355][ T6085] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 175.540391][ T6083] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6085 [syz.0.46] __gfs2_lookup+0x90/0x270 [ 175.550267][ T6085] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 175.550267][ T6085] inode = 12 2341 [ 175.550267][ T6085] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 175.569475][ T6083] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 175.578345][ T6083] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 175.584129][ T6085] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 175.586872][ T6083] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 175.594773][ T6085] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6083 [syz.0.46] __gfs2_lookup+0x90/0x270 [ 175.604825][ T6083] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 175.613952][ T6085] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6085 [syz.0.46] __gfs2_lookup+0x90/0x270 [ 175.621351][ T6083] gfs2: fsid=syz:syz.0: File system withdrawn [ 175.631503][ T6085] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 175.643072][ T6083] CPU: 0 PID: 6083 Comm: syz.0.46 Not tainted 6.6.100-syzkaller #0 [ 175.651617][ T6083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 175.661660][ T6083] Call Trace: [ 175.664927][ T6083] [ 175.667847][ T6083] dump_stack_lvl+0x16c/0x230 [ 175.672512][ T6083] ? kobject_uevent_env+0x363/0x8c0 [ 175.677697][ T6083] ? show_regs_print_info+0x20/0x20 [ 175.682879][ T6083] ? load_image+0x3b0/0x3b0 [ 175.687369][ T6083] ? kobject_uevent_env+0x363/0x8c0 [ 175.692573][ T6083] gfs2_withdraw+0xf16/0x14b0 [ 175.697273][ T6083] ? gfs2_lm+0x220/0x220 [ 175.701501][ T6083] ? load_image+0x3b0/0x3b0 [ 175.705992][ T6083] ? gfs2_consist_inode_i+0xf5/0x110 [ 175.711261][ T6083] gfs2_dirent_scan+0x525/0x650 [ 175.716097][ T6083] ? gfs2_dirent_search+0x7e0/0x7e0 [ 175.721277][ T6083] ? gfs2_dirent_search+0x7e0/0x7e0 [ 175.726458][ T6083] gfs2_dirent_search+0x2e1/0x7e0 [ 175.731464][ T6083] ? gfs2_permission+0x370/0x430 [ 175.736386][ T6083] ? __might_sleep+0xe0/0xe0 [ 175.740958][ T6083] ? gfs2_dir_search+0x220/0x220 [ 175.745881][ T6083] ? gfs2_lookupi+0x5a0/0x5a0 [ 175.750557][ T6083] ? do_raw_spin_lock+0x121/0x2c0 [ 175.755571][ T6083] gfs2_dir_search+0x4d/0x220 [ 175.760236][ T6083] gfs2_lookupi+0x3d9/0x5a0 [ 175.764727][ T6083] ? gfs2_lookup_meta+0x170/0x170 [ 175.769739][ T6083] ? d_alloc_parallel+0x1373/0x1480 [ 175.774927][ T6083] ? __gfs2_lookup+0x90/0x270 [ 175.779594][ T6083] ? d_alloc_parallel+0x2d8/0x1480 [ 175.784692][ T6083] __gfs2_lookup+0x90/0x270 [ 175.789181][ T6083] ? lockdep_softirqs_off+0x430/0x430 [ 175.794545][ T6083] ? gfs2_atomic_open+0x220/0x220 [ 175.799564][ T6083] ? __init_waitqueue_head+0xa9/0x150 [ 175.804923][ T6083] __lookup_slow+0x281/0x3b0 [ 175.809502][ T6083] ? lookup_one_len+0x2c0/0x2c0 [ 175.814346][ T6083] ? down_read+0x1ac/0x2e0 [ 175.818751][ T6083] lookup_slow+0x53/0x70 [ 175.822984][ T6083] walk_component+0x2be/0x3f0 [ 175.827644][ T6083] ? path_lookupat+0x15c/0x440 [ 175.832396][ T6083] path_lookupat+0x169/0x440 [ 175.836989][ T6083] filename_lookup+0x1f4/0x510 [ 175.841745][ T6083] ? __virt_addr_valid+0x18c/0x540 [ 175.846848][ T6083] ? hashlen_string+0x110/0x110 [ 175.851700][ T6083] ? strncpy_from_user+0x197/0x2e0 [ 175.856797][ T6083] ? getname_flags+0x20a/0x500 [ 175.861553][ T6083] user_path_at_empty+0x42/0x60 [ 175.866390][ T6083] __se_sys_mount+0x29b/0x3c0 [ 175.871055][ T6083] ? __x64_sys_mount+0xc0/0xc0 [ 175.875804][ T6083] ? lockdep_hardirqs_on+0x98/0x150 [ 175.880986][ T6083] ? __x64_sys_mount+0x20/0xc0 [ 175.885735][ T6083] do_syscall_64+0x55/0xb0 [ 175.890134][ T6083] ? clear_bhb_loop+0x40/0x90 [ 175.894799][ T6083] ? clear_bhb_loop+0x40/0x90 [ 175.899461][ T6083] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 175.905344][ T6083] RIP: 0033:0x7fec8538e9a9 [ 175.909764][ T6083] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 175.929355][ T6083] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 175.937753][ T6083] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 175.945710][ T6083] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 175.953668][ T6083] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 175.961621][ T6083] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 175.969576][ T6083] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 175.977538][ T6083] [ 176.318493][ T6087] loop0: detected capacity change from 0 to 32768 [ 176.336356][ T6087] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 176.344746][ T6087] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 176.357026][ T6087] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 176.367337][ T23] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 176.374636][ T23] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 176.441911][ T23] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 67ms [ 176.451825][ T23] gfs2: fsid=syz:syz.0: jid=0: Done [ 176.458581][ T6087] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 176.470258][ T6087] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 176.481868][ T6087] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 176.481868][ T6087] inode = 12 2341 [ 176.481868][ T6087] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 176.501956][ T6087] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 176.512084][ T6087] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6087 [syz.0.47] __gfs2_lookup+0x90/0x270 [ 176.523321][ T6089] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 176.534398][ T6087] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6089 [syz.0.47] __gfs2_lookup+0x90/0x270 [ 176.534796][ T6089] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 176.534796][ T6089] inode = 12 2341 [ 176.534796][ T6089] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 176.546708][ T6087] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 176.564215][ T6089] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 176.570910][ T6087] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 176.580337][ T6089] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6087 [syz.0.47] __gfs2_lookup+0x90/0x270 [ 176.588298][ T6087] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 176.598116][ T6089] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6089 [syz.0.47] __gfs2_lookup+0x90/0x270 [ 176.605603][ T6087] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 176.616267][ T6089] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 176.623556][ T6087] gfs2: fsid=syz:syz.0: File system withdrawn [ 176.636205][ T6087] CPU: 1 PID: 6087 Comm: syz.0.47 Not tainted 6.6.100-syzkaller #0 [ 176.644102][ T6087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 176.654139][ T6087] Call Trace: [ 176.657402][ T6087] [ 176.660316][ T6087] dump_stack_lvl+0x16c/0x230 [ 176.664979][ T6087] ? kobject_uevent_env+0x363/0x8c0 [ 176.670166][ T6087] ? show_regs_print_info+0x20/0x20 [ 176.675347][ T6087] ? load_image+0x3b0/0x3b0 [ 176.679832][ T6087] ? kobject_uevent_env+0x363/0x8c0 [ 176.685035][ T6087] gfs2_withdraw+0xf16/0x14b0 [ 176.689720][ T6087] ? gfs2_lm+0x220/0x220 [ 176.693948][ T6087] ? load_image+0x3b0/0x3b0 [ 176.698441][ T6087] ? gfs2_consist_inode_i+0xf5/0x110 [ 176.703713][ T6087] gfs2_dirent_scan+0x525/0x650 [ 176.708548][ T6087] ? gfs2_dirent_search+0x7e0/0x7e0 [ 176.713725][ T6087] ? gfs2_dirent_search+0x7e0/0x7e0 [ 176.718903][ T6087] gfs2_dirent_search+0x2e1/0x7e0 [ 176.723909][ T6087] ? gfs2_permission+0x370/0x430 [ 176.728833][ T6087] ? __might_sleep+0xe0/0xe0 [ 176.733407][ T6087] ? gfs2_dir_search+0x220/0x220 [ 176.738330][ T6087] ? gfs2_lookupi+0x5a0/0x5a0 [ 176.742992][ T6087] ? do_raw_spin_lock+0x121/0x2c0 [ 176.748004][ T6087] gfs2_dir_search+0x4d/0x220 [ 176.752695][ T6087] gfs2_lookupi+0x3d9/0x5a0 [ 176.757190][ T6087] ? gfs2_lookup_meta+0x170/0x170 [ 176.762195][ T6087] ? d_alloc_parallel+0x1373/0x1480 [ 176.767383][ T6087] ? __gfs2_lookup+0x90/0x270 [ 176.772044][ T6087] ? d_alloc_parallel+0x2d8/0x1480 [ 176.777141][ T6087] __gfs2_lookup+0x90/0x270 [ 176.781628][ T6087] ? lockdep_softirqs_off+0x430/0x430 [ 176.786985][ T6087] ? gfs2_atomic_open+0x220/0x220 [ 176.791997][ T6087] ? __init_waitqueue_head+0xa9/0x150 [ 176.797352][ T6087] __lookup_slow+0x281/0x3b0 [ 176.801928][ T6087] ? lookup_one_len+0x2c0/0x2c0 [ 176.806771][ T6087] ? down_read+0x1ac/0x2e0 [ 176.811170][ T6087] lookup_slow+0x53/0x70 [ 176.815398][ T6087] walk_component+0x2be/0x3f0 [ 176.820053][ T6087] ? path_lookupat+0x15c/0x440 [ 176.824800][ T6087] path_lookupat+0x169/0x440 [ 176.829374][ T6087] filename_lookup+0x1f4/0x510 [ 176.834122][ T6087] ? __virt_addr_valid+0x18c/0x540 [ 176.839223][ T6087] ? hashlen_string+0x110/0x110 [ 176.844076][ T6087] ? strncpy_from_user+0x197/0x2e0 [ 176.849169][ T6087] ? getname_flags+0x20a/0x500 [ 176.853920][ T6087] user_path_at_empty+0x42/0x60 [ 176.858754][ T6087] __se_sys_mount+0x29b/0x3c0 [ 176.863416][ T6087] ? __x64_sys_mount+0xc0/0xc0 [ 176.868160][ T6087] ? lockdep_hardirqs_on+0x98/0x150 [ 176.873339][ T6087] ? __x64_sys_mount+0x20/0xc0 [ 176.878085][ T6087] do_syscall_64+0x55/0xb0 [ 176.882484][ T6087] ? clear_bhb_loop+0x40/0x90 [ 176.887141][ T6087] ? clear_bhb_loop+0x40/0x90 [ 176.891796][ T6087] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 176.897675][ T6087] RIP: 0033:0x7fec8538e9a9 [ 176.902072][ T6087] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 176.921661][ T6087] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 176.930056][ T6087] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 176.938010][ T6087] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 176.945968][ T6087] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 176.953928][ T6087] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 176.961929][ T6087] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 176.969892][ T6087] [ 177.307624][ T6091] loop0: detected capacity change from 0 to 32768 [ 177.318251][ T6091] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 177.326587][ T6091] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 177.337893][ T6091] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 177.347495][ T5960] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 177.362848][ T5960] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 177.413079][ T5960] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 50ms [ 177.420604][ T5960] gfs2: fsid=syz:syz.0: jid=0: Done [ 177.426606][ T6091] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 177.443820][ T6091] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 177.454301][ T6091] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error [ 177.454301][ T6091] inode = 12 2341 [ 177.454301][ T6091] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 177.473164][ T6091] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 177.482345][ T6091] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6091 [syz.0.48] __gfs2_lookup+0x90/0x270 [ 177.491763][ T6091] gfs2: fsid=syz:syz.0: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 177.500667][ T6093] gfs2: fsid=syz:syz.0: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 177.510331][ T6091] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 177.516450][ T6093] gfs2: fsid=syz:syz.0: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 177.517595][ T6091] gfs2: fsid=syz:syz.0: Journal recovery skipped for jid 0 until next mount. [ 177.527098][ T6093] gfs2: fsid=syz:syz.0: H: s:SH f:H e:0 p:6091 [syz.0.48] __gfs2_lookup+0x90/0x270 [ 177.535406][ T6091] gfs2: fsid=syz:syz.0: Glock dequeues delayed: 0 [ 177.535622][ T6091] gfs2: fsid=syz:syz.0: File system withdrawn [ 177.535633][ T6091] CPU: 0 PID: 6091 Comm: syz.0.48 Not tainted 6.6.100-syzkaller #0 [ 177.535650][ T6091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 177.535660][ T6091] Call Trace: [ 177.535667][ T6091] [ 177.535675][ T6091] dump_stack_lvl+0x16c/0x230 [ 177.535696][ T6091] ? kobject_uevent_env+0x363/0x8c0 [ 177.535720][ T6091] ? show_regs_print_info+0x20/0x20 [ 177.535738][ T6091] ? load_image+0x3b0/0x3b0 [ 177.535759][ T6091] ? kobject_uevent_env+0x363/0x8c0 [ 177.606269][ T6091] gfs2_withdraw+0xf16/0x14b0 [ 177.610954][ T6091] ? gfs2_lm+0x220/0x220 [ 177.615189][ T6091] ? load_image+0x3b0/0x3b0 [ 177.619689][ T6091] ? gfs2_consist_inode_i+0xf5/0x110 [ 177.624967][ T6091] gfs2_dirent_scan+0x525/0x650 [ 177.629807][ T6091] ? gfs2_dirent_search+0x7e0/0x7e0 [ 177.634994][ T6091] ? gfs2_dirent_search+0x7e0/0x7e0 [ 177.640180][ T6091] gfs2_dirent_search+0x2e1/0x7e0 [ 177.645195][ T6091] ? gfs2_permission+0x370/0x430 [ 177.650121][ T6091] ? __might_sleep+0xe0/0xe0 [ 177.654702][ T6091] ? gfs2_dir_search+0x220/0x220 [ 177.659626][ T6091] ? gfs2_lookupi+0x5a0/0x5a0 [ 177.664291][ T6091] ? do_raw_spin_lock+0x121/0x2c0 [ 177.669309][ T6091] gfs2_dir_search+0x4d/0x220 [ 177.673977][ T6091] gfs2_lookupi+0x3d9/0x5a0 [ 177.678476][ T6091] ? gfs2_lookup_meta+0x170/0x170 [ 177.683491][ T6091] ? d_alloc_parallel+0x1373/0x1480 [ 177.688686][ T6091] ? __gfs2_lookup+0x90/0x270 [ 177.693355][ T6091] ? d_alloc_parallel+0x2d8/0x1480 [ 177.698459][ T6091] __gfs2_lookup+0x90/0x270 [ 177.702964][ T6091] ? lockdep_softirqs_off+0x430/0x430 [ 177.708338][ T6091] ? gfs2_atomic_open+0x220/0x220 [ 177.713364][ T6091] ? __init_waitqueue_head+0xa9/0x150 [ 177.718727][ T6091] __lookup_slow+0x281/0x3b0 [ 177.723311][ T6091] ? lookup_one_len+0x2c0/0x2c0 [ 177.728164][ T6091] ? down_read+0x1ac/0x2e0 [ 177.732572][ T6091] lookup_slow+0x53/0x70 [ 177.736808][ T6091] walk_component+0x2be/0x3f0 [ 177.741473][ T6091] ? path_lookupat+0x15c/0x440 [ 177.746229][ T6091] path_lookupat+0x169/0x440 [ 177.750820][ T6091] filename_lookup+0x1f4/0x510 [ 177.755578][ T6091] ? __virt_addr_valid+0x18c/0x540 [ 177.760684][ T6091] ? hashlen_string+0x110/0x110 [ 177.765545][ T6091] ? strncpy_from_user+0x197/0x2e0 [ 177.770648][ T6091] ? getname_flags+0x20a/0x500 [ 177.775445][ T6091] user_path_at_empty+0x42/0x60 [ 177.780290][ T6091] __se_sys_mount+0x29b/0x3c0 [ 177.784959][ T6091] ? __x64_sys_mount+0xc0/0xc0 [ 177.789710][ T6091] ? lockdep_hardirqs_on+0x98/0x150 [ 177.794900][ T6091] ? __x64_sys_mount+0x20/0xc0 [ 177.799652][ T6091] do_syscall_64+0x55/0xb0 [ 177.804058][ T6091] ? clear_bhb_loop+0x40/0x90 [ 177.808723][ T6091] ? clear_bhb_loop+0x40/0x90 [ 177.813385][ T6091] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 177.819274][ T6091] RIP: 0033:0x7fec8538e9a9 [ 177.823677][ T6091] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 177.843282][ T6091] RSP: 002b:00007fec8617f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 177.851682][ T6091] RAX: ffffffffffffffda RBX: 00007fec855b5fa0 RCX: 00007fec8538e9a9 [ 177.859643][ T6091] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000 [ 177.867602][ T6091] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 177.875560][ T6091] R10: 0000000000081000 R11: 0000000000000246 R12: 0000000000000000 [ 177.883517][ T6091] R13: 0000000000000000 R14: 00007fec855b5fa0 R15: 00007ffcd81f15c8 [ 177.891485][ T6091] [ 177.904719][ T6093] general protection fault, probably for non-canonical address 0xdffffc0008bc06c5: 0000 [#1] PREEMPT SMP KASAN [ 177.916438][ T6093] KASAN: probably user-memory-access in range [0x0000000045e03628-0x0000000045e0362f] [ 177.925966][ T6093] CPU: 0 PID: 6093 Comm: syz.0.48 Not tainted 6.6.100-syzkaller #0 [ 177.933842][ T6093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 177.943877][ T6093] RIP: 0010:gfs2_dump_glock+0xd5f/0x1920 [ 177.949503][ T6093] Code: e0 8d ef 8a be 14 03 00 00 48 c7 c2 20 8e ef 8a e8 f6 ae c8 fd 49 8d 5d 20 49 89 de 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 06 84 c0 0f 85 10 06 00 00 48 89 5c 24 38 0f b7 1b 89 [ 177.969093][ T6093] RSP: 0018:ffffc90003646ee0 EFLAGS: 00010207 [ 177.975147][ T6093] RAX: dffffc0000000000 RBX: 0000000045e0362e RCX: ffff88802765bc00 [ 177.983101][ T6093] RDX: 0000000000000000 RSI: ffffffff8afc66e0 RDI: ffffffff8afc66a0 [ 177.991078][ T6093] RBP: ffffc900036471d0 R08: dffffc0000000000 R09: 1ffffffff21b46a4 [ 177.999035][ T6093] R10: dffffc0000000000 R11: fffffbfff21b46a5 R12: ffffffff839f0b9f [ 178.006991][ T6093] R13: 0000000045e0360e R14: 0000000008bc06c5 R15: 0000000000000000 [ 178.014947][ T6093] FS: 00007fec8615e6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 178.023858][ T6093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.030426][ T6093] CR2: 00007fec8615df98 CR3: 000000002bd9a000 CR4: 00000000003506f0 [ 178.038382][ T6093] Call Trace: [ 178.041647][ T6093] [ 178.044567][ T6093] ? gfs2_dump_glock+0xcaf/0x1920 [ 178.049583][ T6093] ? gfs2_glock_hold+0x80/0x80 [ 178.054332][ T6093] ? __irq_work_queue_local+0x13a/0x3b0 [ 178.059863][ T6093] ? irq_work_queue+0xbc/0x140 [ 178.064613][ T6093] ? __wake_up_klogd+0xd9/0x100 [ 178.069447][ T6093] ? vprintk_emit+0x521/0x600 [ 178.074115][ T6093] ? load_image+0x3b0/0x3b0 [ 178.078610][ T6093] gfs2_consist_inode_i+0xf5/0x110 [ 178.083711][ T6093] gfs2_dirent_scan+0x525/0x650 [ 178.088547][ T6093] ? gfs2_dirent_search+0x7e0/0x7e0 [ 178.093731][ T6093] ? gfs2_dirent_search+0x7e0/0x7e0 [ 178.098913][ T6093] gfs2_dirent_search+0x2e1/0x7e0 [ 178.103922][ T6093] ? gfs2_permission+0x370/0x430 [ 178.108846][ T6093] ? __might_sleep+0xe0/0xe0 [ 178.113419][ T6093] ? gfs2_dir_search+0x220/0x220 [ 178.118338][ T6093] ? gfs2_lookupi+0x5a0/0x5a0 [ 178.122998][ T6093] ? do_raw_spin_lock+0x121/0x2c0 [ 178.128009][ T6093] gfs2_dir_search+0x4d/0x220 [ 178.132668][ T6093] gfs2_lookupi+0x3d9/0x5a0 [ 178.137158][ T6093] ? gfs2_lookup_meta+0x170/0x170 [ 178.142170][ T6093] ? d_alloc_parallel+0x1373/0x1480 [ 178.147357][ T6093] ? __gfs2_lookup+0x90/0x270 [ 178.152019][ T6093] ? d_alloc_parallel+0x2d8/0x1480 [ 178.157118][ T6093] __gfs2_lookup+0x90/0x270 [ 178.161605][ T6093] ? lockdep_softirqs_off+0x430/0x430 [ 178.166961][ T6093] ? gfs2_atomic_open+0x220/0x220 [ 178.171973][ T6093] ? __init_waitqueue_head+0xa9/0x150 [ 178.177327][ T6093] __lookup_slow+0x281/0x3b0 [ 178.181906][ T6093] ? lookup_one_len+0x2c0/0x2c0 [ 178.186919][ T6093] ? crc32_le_base+0x547/0xcf0 [ 178.191667][ T6093] ? down_read+0x1ac/0x2e0 [ 178.196072][ T6093] lookup_slow+0x53/0x70 [ 178.200302][ T6093] link_path_walk+0x970/0xe00 [ 178.204966][ T6093] ? handle_lookup_down+0x130/0x130 [ 178.210148][ T6093] path_lookupat+0x9d/0x440 [ 178.214640][ T6093] do_o_path+0x98/0x1f0 [ 178.218777][ T6093] ? do_tmpfile+0x240/0x240 [ 178.223262][ T6093] ? init_file+0x12c/0x1f0 [ 178.227664][ T6093] path_openat+0x2a31/0x3190 [ 178.232244][ T6093] ? kasan_set_track+0x4e/0x70 [ 178.236990][ T6093] ? __kasan_slab_alloc+0x6c/0x80 [ 178.241998][ T6093] ? do_sys_openat2+0xcb/0x1c0 [ 178.246744][ T6093] ? __x64_sys_openat+0x139/0x160 [ 178.251748][ T6093] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 178.257805][ T6093] ? verify_lock_unused+0x140/0x140 [ 178.262989][ T6093] ? do_filp_open+0x3d0/0x3d0 [ 178.267654][ T6093] ? __virt_addr_valid+0x18c/0x540 [ 178.272752][ T6093] do_filp_open+0x1c5/0x3d0 [ 178.277241][ T6093] ? vfs_tmpfile+0x490/0x490 [ 178.281823][ T6093] ? _raw_spin_unlock+0x28/0x40 [ 178.286658][ T6093] ? alloc_fd+0x58f/0x630 [ 178.290976][ T6093] do_sys_openat2+0x12c/0x1c0 [ 178.295637][ T6093] ? do_sys_open+0xe0/0xe0 [ 178.300035][ T6093] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 178.305998][ T6093] ? lock_chain_count+0x20/0x20 [ 178.310834][ T6093] ? lock_chain_count+0x20/0x20 [ 178.315676][ T6093] __x64_sys_openat+0x139/0x160 [ 178.320511][ T6093] do_syscall_64+0x55/0xb0 [ 178.324914][ T6093] ? clear_bhb_loop+0x40/0x90 [ 178.329570][ T6093] ? clear_bhb_loop+0x40/0x90 [ 178.334236][ T6093] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 178.340115][ T6093] RIP: 0033:0x7fec8538e9a9 [ 178.344550][ T6093] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 178.364145][ T6093] RSP: 002b:00007fec8615e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 178.372540][ T6093] RAX: ffffffffffffffda RBX: 00007fec855b6080 RCX: 00007fec8538e9a9 [ 178.380491][ T6093] RDX: 0000000000200002 RSI: 00002000000000c0 RDI: ffffffffffffff9c [ 178.388447][ T6093] RBP: 00007fec85410d69 R08: 0000000000000000 R09: 0000000000000000 [ 178.396400][ T6093] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 178.404353][ T6093] R13: 0000000000000001 R14: 00007fec855b6080 R15: 00007ffcd81f15c8 [ 178.412399][ T6093] [ 178.415412][ T6093] Modules linked in: [ 178.421278][ T6093] ---[ end trace 0000000000000000 ]--- [ 178.427055][ T6093] RIP: 0010:gfs2_dump_glock+0xd5f/0x1920 [ 178.432820][ T6093] Code: e0 8d ef 8a be 14 03 00 00 48 c7 c2 20 8e ef 8a e8 f6 ae c8 fd 49 8d 5d 20 49 89 de 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 06 84 c0 0f 85 10 06 00 00 48 89 5c 24 38 0f b7 1b 89 [ 178.452492][ T6093] RSP: 0018:ffffc90003646ee0 EFLAGS: 00010207 [ 178.458553][ T6093] RAX: dffffc0000000000 RBX: 0000000045e0362e RCX: ffff88802765bc00 [ 178.466534][ T6093] RDX: 0000000000000000 RSI: ffffffff8afc66e0 RDI: ffffffff8afc66a0 [ 178.474518][ T6093] RBP: ffffc900036471d0 R08: dffffc0000000000 R09: 1ffffffff21b46a4 [ 178.482520][ T6093] R10: dffffc0000000000 R11: fffffbfff21b46a5 R12: ffffffff839f0b9f [ 178.490487][ T6093] R13: 0000000045e0360e R14: 0000000008bc06c5 R15: 0000000000000000 [ 178.498486][ T6093] FS: 00007fec8615e6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 178.507435][ T6093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.514043][ T6093] CR2: 00007f973594f000 CR3: 000000002bd9a000 CR4: 00000000003506e0 [ 178.522021][ T6093] Kernel panic - not syncing: Fatal exception [ 178.528285][ T6093] Kernel Offset: disabled [ 178.532589][ T6093] Rebooting in 86400 seconds..