[ 65.180375][ T27] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.153' (ED25519) to the list of known hosts. 2025/12/28 08:37:44 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 71.494784][ T3442] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2025/12/28 08:37:47 executed programs: 0 [ 75.173126][ T4264] syz.3.17[4264]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 75.273251][ T4264] loop3: detected capacity change from 0 to 32768 [ 75.281671][ T4264] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 75.289927][ T4264] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 75.300346][ T4264] gfs2: fsid=syz:syz.s: journal 0 mapped with 18 extents in 0ms [ 75.321292][ T4264] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 75.329917][ T4264] gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 75.339839][ T4264] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error [ 75.339839][ T4264] inode = 12 2341 [ 75.339839][ T4264] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 75.358742][ T4264] gfs2: fsid=syz:syz.s: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 75.367872][ T4264] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4264 [syz.3.17] iterate_dir+0x75/0x160 [ 75.377186][ T4264] gfs2: fsid=syz:syz.s: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 75.382409][ T4267] gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 75.386027][ T4264] gfs2: fsid=syz:syz.s: about to withdraw this file system [ 75.395679][ T4267] gfs2: fsid=syz:syz.s: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 75.402891][ T4264] gfs2: fsid=syz:syz.s: Journal recovery skipped for jid 0 until next mount. [ 75.412176][ T4267] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4264 [syz.3.17] iterate_dir+0x75/0x160 [ 75.420838][ T4264] gfs2: fsid=syz:syz.s: Glock dequeues delayed: 0 [ 75.430098][ T4267] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4267 [syz.3.17] iterate_dir+0x75/0x160 [ 75.436694][ T4264] gfs2: fsid=syz:syz.s: File system withdrawn [ 75.452043][ T4264] CPU: 1 PID: 4264 Comm: syz.3.17 Not tainted syzkaller #0 [ 75.459424][ T4264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 75.469625][ T4264] Call Trace: [ 75.472893][ T4264] [ 75.475898][ T4264] dump_stack_lvl+0x78/0xc0 [ 75.480459][ T4264] gfs2_withdraw+0x444/0x750 [ 75.485022][ T4264] gfs2_dirent_scan+0x1fb/0x260 [ 75.490013][ T4264] ? gfs2_dirent_scan+0x260/0x260 [ 75.495001][ T4264] gfs2_dir_read+0x6b7/0x890 [ 75.499559][ T4264] ? gfs2_glock_nq+0x401/0x4e0 [ 75.504387][ T4264] gfs2_readdir+0xb7/0xf0 [ 75.508687][ T4264] ? iterate_dir+0x75/0x160 [ 75.513155][ T4264] iterate_dir+0x75/0x160 [ 75.517540][ T4264] __se_sys_getdents64+0x64/0xf0 [ 75.522442][ T4264] ? filldir+0x170/0x170 [ 75.526738][ T4264] do_syscall_64+0x55/0xb0 [ 75.531123][ T4264] ? clear_bhb_loop+0x40/0x90 [ 75.536024][ T4264] ? clear_bhb_loop+0x40/0x90 [ 75.540670][ T4264] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 75.546813][ T4264] RIP: 0033:0x7fe37c98f6c9 [ 75.551194][ T4264] 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 [ 75.570767][ T4264] RSP: 002b:00007fe37d8f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 75.579238][ T4264] RAX: ffffffffffffffda RBX: 00007fe37cbe5fa0 RCX: 00007fe37c98f6c9 [ 75.587184][ T4264] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 75.595123][ T4264] RBP: 00007fe37ca11f91 R08: 0000000000000000 R09: 0000000000000000 [ 75.603060][ T4264] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.610998][ T4264] R13: 00007fe37cbe6038 R14: 00007fe37cbe5fa0 R15: 00007fff4ab16698 [ 75.618937][ T4264] [ 75.622397][ T4267] gfs2: fsid=syz:syz.s: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 75.745454][ T4269] loop3: detected capacity change from 0 to 32768 [ 75.752667][ T4269] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 75.760995][ T4269] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 75.769079][ T4269] gfs2: fsid=syz:syz.s: journal 0 mapped with 18 extents in 0ms [ 75.791002][ T4269] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 75.799110][ T4269] gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 75.808913][ T4269] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error [ 75.808913][ T4269] inode = 12 2341 [ 75.808913][ T4269] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 75.827664][ T4269] gfs2: fsid=syz:syz.s: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 75.836697][ T4269] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4269 [syz.3.18] iterate_dir+0x75/0x160 [ 75.845957][ T4269] gfs2: fsid=syz:syz.s: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 75.852373][ T4271] gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 75.854477][ T4269] gfs2: fsid=syz:syz.s: about to withdraw this file system [ 75.871267][ T4269] gfs2: fsid=syz:syz.s: Journal recovery skipped for jid 0 until next mount. [ 75.880052][ T4269] gfs2: fsid=syz:syz.s: Glock dequeues delayed: 0 [ 75.880078][ T4271] gfs2: fsid=syz:syz.s: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 75.886491][ T4269] gfs2: fsid=syz:syz.s: File system withdrawn [ 75.901641][ T4269] CPU: 1 PID: 4269 Comm: syz.3.18 Not tainted syzkaller #0 [ 75.909069][ T4269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 75.919390][ T4269] Call Trace: [ 75.922770][ T4269] [ 75.925680][ T4269] dump_stack_lvl+0x78/0xc0 [ 75.930154][ T4269] gfs2_withdraw+0x444/0x750 [ 75.934713][ T4269] gfs2_dirent_scan+0x1fb/0x260 [ 75.939534][ T4269] ? gfs2_dirent_scan+0x260/0x260 [ 75.944518][ T4269] gfs2_dir_read+0x6b7/0x890 [ 75.949078][ T4269] ? gfs2_glock_nq+0x401/0x4e0 [ 75.953808][ T4269] gfs2_readdir+0xb7/0xf0 [ 75.958101][ T4269] ? iterate_dir+0x75/0x160 [ 75.962577][ T4269] iterate_dir+0x75/0x160 [ 75.966872][ T4269] __se_sys_getdents64+0x64/0xf0 [ 75.971772][ T4269] ? filldir+0x170/0x170 [ 75.975979][ T4269] do_syscall_64+0x55/0xb0 [ 75.980359][ T4269] ? clear_bhb_loop+0x40/0x90 [ 75.984999][ T4269] ? clear_bhb_loop+0x40/0x90 [ 75.989637][ T4269] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 75.995632][ T4269] RIP: 0033:0x7fe37c98f6c9 [ 76.000024][ T4269] 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 [ 76.019609][ T4269] RSP: 002b:00007fe37d8f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 76.028219][ T4269] RAX: ffffffffffffffda RBX: 00007fe37cbe5fa0 RCX: 00007fe37c98f6c9 [ 76.036285][ T4269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 76.044320][ T4269] RBP: 00007fe37ca11f91 R08: 0000000000000000 R09: 0000000000000000 [ 76.052440][ T4269] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.060598][ T4269] R13: 00007fe37cbe6038 R14: 00007fe37cbe5fa0 R15: 00007fff4ab16698 [ 76.068717][ T4269] [ 76.071984][ T4271] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4271 [syz.3.18] iterate_dir+0x75/0x160 [ 76.081209][ T4271] gfs2: fsid=syz:syz.s: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 76.197835][ T4273] loop3: detected capacity change from 0 to 32768 [ 76.206319][ T4273] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 76.214646][ T4273] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 76.222856][ T4273] gfs2: fsid=syz:syz.s: journal 0 mapped with 18 extents in 0ms [ 76.243234][ T4273] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 76.251416][ T4273] gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 76.261160][ T4273] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error [ 76.261160][ T4273] inode = 12 2341 [ 76.261160][ T4273] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 76.279856][ T4273] gfs2: fsid=syz:syz.s: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 76.289371][ T4273] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4273 [syz.3.19] iterate_dir+0x75/0x160 [ 76.298572][ T4273] gfs2: fsid=syz:syz.s: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 76.304350][ T4275] gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 76.307247][ T4273] gfs2: fsid=syz:syz.s: about to withdraw this file system [ 76.324081][ T4273] gfs2: fsid=syz:syz.s: Journal recovery skipped for jid 0 until next mount. [ 76.324174][ T4275] gfs2: fsid=syz:syz.s: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 76.332922][ T4273] gfs2: fsid=syz:syz.s: Glock dequeues delayed: 0 [ 76.341866][ T4275] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4273 [syz.3.19] iterate_dir+0x75/0x160 [ 76.357507][ T4275] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4275 [syz.3.19] iterate_dir+0x75/0x160 [ 76.366692][ T4275] gfs2: fsid=syz:syz.s: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 76.375195][ T4273] gfs2: fsid=syz:syz.s: File system withdrawn [ 76.381305][ T4273] CPU: 0 PID: 4273 Comm: syz.3.19 Not tainted syzkaller #0 [ 76.388482][ T4273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 76.398592][ T4273] Call Trace: [ 76.401847][ T4273] [ 76.404802][ T4273] dump_stack_lvl+0x78/0xc0 [ 76.409275][ T4273] gfs2_withdraw+0x444/0x750 [ 76.413831][ T4273] gfs2_dirent_scan+0x1fb/0x260 [ 76.418732][ T4273] ? gfs2_dirent_scan+0x260/0x260 [ 76.423722][ T4273] gfs2_dir_read+0x6b7/0x890 [ 76.428272][ T4273] ? gfs2_glock_nq+0x401/0x4e0 [ 76.432998][ T4273] gfs2_readdir+0xb7/0xf0 [ 76.437381][ T4273] ? iterate_dir+0x75/0x160 [ 76.441934][ T4273] iterate_dir+0x75/0x160 [ 76.446226][ T4273] __se_sys_getdents64+0x64/0xf0 [ 76.451123][ T4273] ? filldir+0x170/0x170 [ 76.455323][ T4273] do_syscall_64+0x55/0xb0 [ 76.459700][ T4273] ? clear_bhb_loop+0x40/0x90 [ 76.464356][ T4273] ? clear_bhb_loop+0x40/0x90 [ 76.469098][ T4273] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 76.475225][ T4273] RIP: 0033:0x7fe37c98f6c9 [ 76.479606][ T4273] 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 [ 76.499365][ T4273] RSP: 002b:00007fe37d8f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 76.507744][ T4273] RAX: ffffffffffffffda RBX: 00007fe37cbe5fa0 RCX: 00007fe37c98f6c9 [ 76.515689][ T4273] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 76.523671][ T4273] RBP: 00007fe37ca11f91 R08: 0000000000000000 R09: 0000000000000000 [ 76.531718][ T4273] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.539691][ T4273] R13: 00007fe37cbe6038 R14: 00007fe37cbe5fa0 R15: 00007fff4ab16698 [ 76.547726][ T4273] [ 76.658341][ T4277] loop3: detected capacity change from 0 to 32768 [ 76.665807][ T4277] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 76.674253][ T4277] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 76.682700][ T4277] gfs2: fsid=syz:syz.s: journal 0 mapped with 18 extents in 0ms [ 76.704909][ T4277] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 76.713288][ T4277] gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 76.722984][ T4277] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error [ 76.722984][ T4277] inode = 12 2341 [ 76.722984][ T4277] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 76.741681][ T4277] gfs2: fsid=syz:syz.s: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 76.750738][ T4277] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4277 [syz.3.20] iterate_dir+0x75/0x160 [ 76.759911][ T4277] gfs2: fsid=syz:syz.s: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 76.766355][ T4279] gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 76.768401][ T4277] gfs2: fsid=syz:syz.s: about to withdraw this file system [ 76.778516][ T4279] gfs2: fsid=syz:syz.s: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 76.785291][ T4277] gfs2: fsid=syz:syz.s: Journal recovery skipped for jid 0 until next mount. [ 76.803234][ T4277] gfs2: fsid=syz:syz.s: Glock dequeues delayed: 0 [ 76.809648][ T4277] gfs2: fsid=syz:syz.s: File system withdrawn [ 76.810211][ T4279] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4277 [syz.3.20] iterate_dir+0x75/0x160 [ 76.816067][ T4277] CPU: 1 PID: 4277 Comm: syz.3.20 Not tainted syzkaller #0 [ 76.825441][ T4279] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4279 [syz.3.20] iterate_dir+0x75/0x160 [ 76.832453][ T4277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 76.832458][ T4277] Call Trace: [ 76.832461][ T4277] [ 76.832464][ T4277] dump_stack_lvl+0x78/0xc0 [ 76.832481][ T4277] gfs2_withdraw+0x444/0x750 [ 76.832487][ T4277] gfs2_dirent_scan+0x1fb/0x260 [ 76.832491][ T4277] ? gfs2_dirent_scan+0x260/0x260 [ 76.832494][ T4277] gfs2_dir_read+0x6b7/0x890 [ 76.841928][ T4279] gfs2: fsid=syz:syz.s: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 76.851708][ T4277] ? gfs2_glock_nq+0x401/0x4e0 [ 76.851718][ T4277] gfs2_readdir+0xb7/0xf0 [ 76.851723][ T4277] ? iterate_dir+0x75/0x160 [ 76.851728][ T4277] iterate_dir+0x75/0x160 [ 76.851733][ T4277] __se_sys_getdents64+0x64/0xf0 [ 76.912913][ T4277] ? filldir+0x170/0x170 [ 76.917125][ T4277] do_syscall_64+0x55/0xb0 [ 76.921510][ T4277] ? clear_bhb_loop+0x40/0x90 [ 76.926150][ T4277] ? clear_bhb_loop+0x40/0x90 [ 76.930792][ T4277] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 76.936655][ T4277] RIP: 0033:0x7fe37c98f6c9 [ 76.941035][ T4277] 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 [ 76.960693][ T4277] RSP: 002b:00007fe37d8f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 76.969069][ T4277] RAX: ffffffffffffffda RBX: 00007fe37cbe5fa0 RCX: 00007fe37c98f6c9 [ 76.977033][ T4277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 76.984987][ T4277] RBP: 00007fe37ca11f91 R08: 0000000000000000 R09: 0000000000000000 [ 76.993100][ T4277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.001136][ T4277] R13: 00007fe37cbe6038 R14: 00007fe37cbe5fa0 R15: 00007fff4ab16698 [ 77.009166][ T4277] [ 77.119981][ T4281] loop3: detected capacity change from 0 to 32768 [ 77.128030][ T4281] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 77.136369][ T4281] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 77.144854][ T4281] gfs2: fsid=syz:syz.s: journal 0 mapped with 18 extents in 0ms [ 77.164898][ T4281] gfs2: fsid=syz:syz.s: first mount done, others may mount [ 77.173009][ T4281] gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 77.182683][ T4281] gfs2: fsid=syz:syz.s: fatal: filesystem consistency error [ 77.182683][ T4281] inode = 12 2341 [ 77.182683][ T4281] function = gfs2_dirent_scan, file = fs/gfs2/dir.c, line = 602 [ 77.201421][ T4281] gfs2: fsid=syz:syz.s: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:3 m:20 p:1 [ 77.210571][ T4281] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4281 [syz.3.21] iterate_dir+0x75/0x160 [ 77.219797][ T4281] gfs2: fsid=syz:syz.s: I: n:12/2341 t:4 f:0x00 d:0x00000001 s:3864 p:0 [ 77.225315][ T4283] gfs2: fsid=syz:syz.s: gfs2_check_dirent: gfs2_dirent too small (not first in block) [ 77.228198][ T4281] gfs2: fsid=syz:syz.s: about to withdraw this file system [ 77.245123][ T4281] gfs2: fsid=syz:syz.s: Journal recovery skipped for jid 0 until next mount. [ 77.245149][ T4283] gfs2: fsid=syz:syz.s: G: s:SH n:2/925 f:qob t:SH d:EX/0 a:0 v:0 r:4 m:20 p:1 [ 77.254040][ T4281] gfs2: fsid=syz:syz.s: Glock dequeues delayed: 0 [ 77.254099][ T4281] gfs2: fsid=syz:syz.s: File system withdrawn [ 77.275502][ T4281] CPU: 1 PID: 4281 Comm: syz.3.21 Not tainted syzkaller #0 [ 77.282765][ T4281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 77.292794][ T4281] Call Trace: [ 77.296049][ T4281] [ 77.299145][ T4281] dump_stack_lvl+0x78/0xc0 [ 77.303620][ T4281] gfs2_withdraw+0x444/0x750 [ 77.308176][ T4281] gfs2_dirent_scan+0x1fb/0x260 [ 77.312994][ T4281] ? gfs2_dirent_scan+0x260/0x260 [ 77.318067][ T4281] gfs2_dir_read+0x6b7/0x890 [ 77.322713][ T4281] ? gfs2_glock_nq+0x401/0x4e0 [ 77.327444][ T4281] gfs2_readdir+0xb7/0xf0 [ 77.331738][ T4281] ? iterate_dir+0x75/0x160 [ 77.336208][ T4281] iterate_dir+0x75/0x160 [ 77.340499][ T4281] __se_sys_getdents64+0x64/0xf0 [ 77.345402][ T4281] ? filldir+0x170/0x170 [ 77.349608][ T4281] do_syscall_64+0x55/0xb0 [ 77.353999][ T4281] ? clear_bhb_loop+0x40/0x90 [ 77.358646][ T4281] ? clear_bhb_loop+0x40/0x90 [ 77.363300][ T4281] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 77.369157][ T4281] RIP: 0033:0x7fe37c98f6c9 [ 77.373539][ T4281] 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 [ 77.393117][ T4281] RSP: 002b:00007fe37d8f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 77.401581][ T4281] RAX: ffffffffffffffda RBX: 00007fe37cbe5fa0 RCX: 00007fe37c98f6c9 [ 77.409523][ T4281] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 77.417559][ T4281] RBP: 00007fe37ca11f91 R08: 0000000000000000 R09: 0000000000000000 [ 77.425584][ T4281] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.433559][ T4281] R13: 00007fe37cbe6038 R14: 00007fe37cbe5fa0 R15: 00007fff4ab16698 [ 77.441519][ T4281] [ 77.444640][ T4283] gfs2: fsid=syz:syz.s: H: s:SH f:H e:0 p:4281 [syz.3.21] iterate_dir+0x75/0x160 [ 77.453944][ T4283] BUG: kernel NULL pointer dereference, address: 0000000000000021 [ 77.461892][ T4283] #PF: supervisor read access in kernel mode [ 77.467836][ T4283] #PF: error_code(0x0000) - not-present page [ 77.473785][ T4283] PGD 11f916067 P4D 11f916067 PUD 0 [ 77.479031][ T4283] Oops: 0000 [#1] PREEMPT SMP [ 77.483674][ T4283] CPU: 1 PID: 4283 Comm: syz.3.21 Not tainted syzkaller #0 [ 77.490830][ T4283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 77.500850][ T4283] RIP: 0010:gfs2_dump_glock+0x47c/0x6d0 [ 77.506429][ T4283] Code: 94 ff 4c 8d 2d 00 00 00 00 48 c7 c7 48 6d dd 83 31 f6 31 d2 b9 02 00 00 00 45 31 c0 45 31 c9 41 55 e8 98 be 91 ff 48 83 c4 08 <41> f6 44 24 21 02 74 17 41 0f b7 44 24 22 66 85 c0 74 0c 49 c7 c2 [ 77.526003][ T4283] RSP: 0018:ffffc90002b93b10 EFLAGS: 00010292 [ 77.532301][ T4283] RAX: 4fbc51d87c5e1300 RBX: ffff888102259ce0 RCX: 4fbc51d87c5e1300 [ 77.540426][ T4283] RDX: d153488897207d89 RSI: ffffffff839a5adf RDI: ffffffff8388807c [ 77.548449][ T4283] RBP: ffffc90002b93cc8 R08: 0000000000000000 R09: 0000000000000021 [ 77.556474][ T4283] R10: 0000000000000002 R11: 0000000000005ffd R12: 0000000000000000 [ 77.564521][ T4283] R13: ffffffff817d6c6b R14: 00000000000010b9 R15: ffffc90002b93c70 [ 77.572459][ T4283] FS: 00007fe37d8d46c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 77.581523][ T4283] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.588101][ T4283] CR2: 0000000000000021 CR3: 00000001067c4000 CR4: 00000000003506e0 [ 77.596124][ T4283] Call Trace: [ 77.599372][ T4283] [ 77.602288][ T4283] gfs2_consist_inode_i+0x52/0x60 [ 77.607286][ T4283] gfs2_dirent_scan+0x1fb/0x260 [ 77.612099][ T4283] ? gfs2_dirent_scan+0x260/0x260 [ 77.617083][ T4283] gfs2_dir_read+0x6b7/0x890 [ 77.621723][ T4283] ? gfs2_glock_nq+0x401/0x4e0 [ 77.626483][ T4283] gfs2_readdir+0xb7/0xf0 [ 77.630777][ T4283] ? iterate_dir+0x75/0x160 [ 77.635242][ T4283] iterate_dir+0x75/0x160 [ 77.639535][ T4283] __se_sys_getdents+0x64/0xf0 [ 77.644262][ T4283] ? fillonedir+0x120/0x120 [ 77.648739][ T4283] do_syscall_64+0x55/0xb0 [ 77.653128][ T4283] ? clear_bhb_loop+0x40/0x90 [ 77.657770][ T4283] ? clear_bhb_loop+0x40/0x90 [ 77.662409][ T4283] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 77.668279][ T4283] RIP: 0033:0x7fe37c98f6c9 [ 77.672758][ T4283] 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 [ 77.692393][ T4283] RSP: 002b:00007fe37d8d4038 EFLAGS: 00000246 ORIG_RAX: 000000000000004e [ 77.700857][ T4283] RAX: ffffffffffffffda RBX: 00007fe37cbe6090 RCX: 00007fe37c98f6c9 [ 77.708824][ T4283] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 77.716767][ T4283] RBP: 00007fe37ca11f91 R08: 0000000000000000 R09: 0000000000000000 [ 77.724792][ T4283] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.732845][ T4283] R13: 00007fe37cbe6128 R14: 00007fe37cbe6090 R15: 00007fff4ab16698 [ 77.740872][ T4283] [ 77.743873][ T4283] Modules linked in: [ 77.747748][ T4283] CR2: 0000000000000021 [ 77.751984][ T4283] ---[ end trace 0000000000000000 ]--- [ 77.757496][ T4283] RIP: 0010:gfs2_dump_glock+0x47c/0x6d0 [ 77.763019][ T4283] Code: 94 ff 4c 8d 2d 00 00 00 00 48 c7 c7 48 6d dd 83 31 f6 31 d2 b9 02 00 00 00 45 31 c0 45 31 c9 41 55 e8 98 be 91 ff 48 83 c4 08 <41> f6 44 24 21 02 74 17 41 0f b7 44 24 22 66 85 c0 74 0c 49 c7 c2 [ 77.782976][ T4283] RSP: 0018:ffffc90002b93b10 EFLAGS: 00010292 [ 77.789352][ T4283] RAX: 4fbc51d87c5e1300 RBX: ffff888102259ce0 RCX: 4fbc51d87c5e1300 [ 77.797376][ T4283] RDX: d153488897207d89 RSI: ffffffff839a5adf RDI: ffffffff8388807c [ 77.805313][ T4283] RBP: ffffc90002b93cc8 R08: 0000000000000000 R09: 0000000000000021 [ 77.813255][ T4283] R10: 0000000000000002 R11: 0000000000005ffd R12: 0000000000000000 [ 77.821538][ T4283] R13: ffffffff817d6c6b R14: 00000000000010b9 R15: ffffc90002b93c70 [ 77.829474][ T4283] FS: 00007fe37d8d46c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 77.838453][ T4283] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.845009][ T4283] CR2: 0000000000000021 CR3: 00000001067c4000 CR4: 00000000003506e0 [ 77.853126][ T4283] Kernel panic - not syncing: Fatal exception [ 77.859717][ T4283] Kernel Offset: disabled [ 77.864011][ T4283] Rebooting in 86400 seconds..