CX: 00007f45e619c117 [ 203.255661][ T6333] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffb7f04ee0 [ 203.255675][ T6333] RBP: 00007fffb7f04ee0 R08: 00007fffb7f05ee0 R09: 00000000ffffffff [ 203.255689][ T6333] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffb7f05f70 [ 203.255702][ T6333] R13: 00007f45e620471f R14: 0000000000031341 R15: 00007fffb7f05fb0 [ 203.255719][ T6333] [ 203.255725][ T6333] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 203.280322][ T7454] CPU: 0 UID: 0 PID: 7454 Comm: syz.1.148 Not tainted syzkaller #0 PREEMPT(full) [ 203.280348][ T7454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 203.280360][ T7454] Call Trace: [ 203.280366][ T7454] [ 203.280372][ T7454] dump_stack_lvl+0x97/0xe0 [ 203.280399][ T7454] sysfs_warn_dup.cold+0x1c/0x28 [ 203.280430][ T7454] sysfs_create_dir_ns+0x129/0x140 [ 203.280459][ T7454] kobject_add_internal+0x104/0x310 [ 203.280496][ T7454] kobject_init_and_add+0xb2/0xf0 [ 203.280522][ T7454] ? alloc_workqueue_noprof+0xe0/0xb60 [ 203.280551][ T7454] gfs2_sys_fs_add+0xef/0x200 [ 203.280581][ T7454] gfs2_fill_super+0x896/0x1240 [ 203.280602][ T7454] ? sb_set_blocksize+0x8c/0x150 [ 203.280627][ T7454] ? setup_bdev_super+0x19d/0x330 [ 203.280650][ T7454] ? __pfx_gfs2_fill_super+0x10/0x10 [ 203.280685][ T7454] get_tree_bdev_flags+0x1c0/0x290 [ 203.280712][ T7454] gfs2_get_tree+0x26/0xd0 [ 203.280742][ T7454] vfs_get_tree+0x30/0x120 [ 203.280763][ T7454] path_mount+0x5a9/0x1350 [ 203.280794][ T7454] ? putname+0x78/0xe0 [ 203.280825][ T7454] __x64_sys_mount+0x1a3/0x1e0 [ 203.280859][ T7454] do_syscall_64+0xa4/0xf80 [ 203.280893][ T7454] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 203.280916][ T7454] RIP: 0033:0x7f36e119c14a [ 203.280931][ T7454] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 203.280952][ T7454] RSP: 002b:00007f36e1ffce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 203.280972][ T7454] RAX: ffffffffffffffda RBX: 00007f36e1ffcee0 RCX: 00007f36e119c14a [ 203.280986][ T7454] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f36e1ffcea0 [ 203.280999][ T7454] RBP: 00002000000124c0 R08: 00007f36e1ffcee0 R09: 0000000000000000 [ 203.281013][ T7454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 203.281026][ T7454] R13: 00007f36e1ffcea0 R14: 0000000000012588 R15: 0000200000000000 [ 203.281043][ T7454] [ 203.281052][ T7454] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.281067][ T7454] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.317515][ T7453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.320410][ T7460] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.326937][ T7453] CPU: 0 UID: 0 PID: 7453 Comm: syz.0.152 Not tainted syzkaller #0 PREEMPT(full) [ 203.326964][ T7453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 203.326976][ T7453] Call Trace: [ 203.326982][ T7453] [ 203.326989][ T7453] dump_stack_lvl+0x97/0xe0 [ 203.327016][ T7453] sysfs_warn_dup.cold+0x1c/0x28 [ 203.327049][ T7453] sysfs_create_dir_ns+0x129/0x140 [ 203.327076][ T7453] kobject_add_internal+0x104/0x310 [ 203.327103][ T7453] kobject_init_and_add+0xb2/0xf0 [ 203.327130][ T7453] ? alloc_workqueue_noprof+0xe0/0xb60 [ 203.327158][ T7453] gfs2_sys_fs_add+0xef/0x200 [ 203.327189][ T7453] gfs2_fill_super+0x896/0x1240 [ 203.327209][ T7453] ? sb_set_blocksize+0x8c/0x150 [ 203.327234][ T7453] ? setup_bdev_super+0x19d/0x330 [ 203.327257][ T7453] ? __pfx_gfs2_fill_super+0x10/0x10 [ 203.327291][ T7453] get_tree_bdev_flags+0x1c0/0x290 [ 203.327318][ T7453] gfs2_get_tree+0x26/0xd0 [ 203.327350][ T7453] vfs_get_tree+0x30/0x120 [ 203.327370][ T7453] path_mount+0x5a9/0x1350 [ 203.327400][ T7453] ? putname+0x78/0xe0 [ 203.327431][ T7453] __x64_sys_mount+0x1a3/0x1e0 [ 203.327463][ T7453] do_syscall_64+0xa4/0xf80 [ 203.327500][ T7453] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 203.327522][ T7453] RIP: 0033:0x7efd4579c14a [ 203.327538][ T7453] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 203.327559][ T7453] RSP: 002b:00007efd46630e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 203.327585][ T7453] RAX: ffffffffffffffda RBX: 00007efd46630ee0 RCX: 00007efd4579c14a [ 203.327599][ T7453] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007efd46630ea0 [ 203.327612][ T7453] RBP: 00002000000124c0 R08: 00007efd46630ee0 R09: 0000000000000000 [ 203.327625][ T7453] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 203.327638][ T7453] R13: 00007efd46630ea0 R14: 0000000000012588 R15: 0000200000000000 [ 203.327655][ T7453] [ 203.327677][ T7453] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.369179][ T7456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.437420][ T7458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.442390][ T7456] CPU: 1 UID: 0 PID: 7456 Comm: syz.3.151 Not tainted syzkaller #0 PREEMPT(full) [ 203.442417][ T7456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 203.442429][ T7456] Call Trace: [ 203.442435][ T7456] [ 203.442442][ T7456] dump_stack_lvl+0x97/0xe0 [ 203.442478][ T7456] sysfs_warn_dup.cold+0x1c/0x28 [ 203.442511][ T7456] sysfs_create_dir_ns+0x129/0x140 [ 203.442540][ T7456] kobject_add_internal+0x104/0x310 [ 203.442567][ T7456] kobject_init_and_add+0xb2/0xf0 [ 203.442594][ T7456] ? alloc_workqueue_noprof+0xe0/0xb60 [ 203.442622][ T7456] gfs2_sys_fs_add+0xef/0x200 [ 203.442654][ T7456] gfs2_fill_super+0x896/0x1240 [ 203.442675][ T7456] ? sb_set_blocksize+0x8c/0x150 [ 203.442700][ T7456] ? setup_bdev_super+0x19d/0x330 [ 203.442722][ T7456] ? __pfx_gfs2_fill_super+0x10/0x10 [ 203.442757][ T7456] get_tree_bdev_flags+0x1c0/0x290 [ 203.442784][ T7456] gfs2_get_tree+0x26/0xd0 [ 203.442816][ T7456] vfs_get_tree+0x30/0x120 [ 203.442835][ T7456] path_mount+0x5a9/0x1350 [ 203.442868][ T7456] ? putname+0x78/0xe0 [ 203.442898][ T7456] __x64_sys_mount+0x1a3/0x1e0 [ 203.442931][ T7456] do_syscall_64+0xa4/0xf80 [ 203.442964][ T7456] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 203.442986][ T7456] RIP: 0033:0x7f980959c14a [ 203.443001][ T7456] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 203.443022][ T7456] RSP: 002b:00007f980a514e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 203.443041][ T7456] RAX: ffffffffffffffda RBX: 00007f980a514ee0 RCX: 00007f980959c14a [ 203.443055][ T7456] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f980a514ea0 [ 203.443069][ T7456] RBP: 00002000000124c0 R08: 00007f980a514ee0 R09: 0000000000000000 [ 203.443082][ T7456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 203.443095][ T7456] R13: 00007f980a514ea0 R14: 0000000000012588 R15: 0000200000000000 [ 203.443111][ T7456] [ 203.443122][ T7456] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.474423][ T7453] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.479529][ T7456] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.492738][ T7458] CPU: 0 UID: 0 PID: 7458 Comm: syz.6.153 Not tainted syzkaller #0 PREEMPT(full) [ 203.492765][ T7458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 203.492778][ T7458] Call Trace: [ 203.492784][ T7458] [ 203.492790][ T7458] dump_stack_lvl+0x97/0xe0 [ 203.492818][ T7458] sysfs_warn_dup.cold+0x1c/0x28 [ 203.492850][ T7458] sysfs_create_dir_ns+0x129/0x140 [ 203.492878][ T7458] kobject_add_internal+0x104/0x310 [ 203.492905][ T7458] kobject_init_and_add+0xb2/0xf0 [ 203.492932][ T7458] ? alloc_workqueue_noprof+0xe0/0xb60 [ 203.492960][ T7458] gfs2_sys_fs_add+0xef/0x200 [ 203.492992][ T7458] gfs2_fill_super+0x896/0x1240 [ 203.493012][ T7458] ? sb_set_blocksize+0x8c/0x150 [ 203.493037][ T7458] ? setup_bdev_super+0x19d/0x330 [ 203.493059][ T7458] ? __pfx_gfs2_fill_super+0x10/0x10 [ 203.493094][ T7458] get_tree_bdev_flags+0x1c0/0x290 [ 203.493121][ T7458] gfs2_get_tree+0x26/0xd0 [ 203.493154][ T7458] vfs_get_tree+0x30/0x120 [ 203.493174][ T7458] path_mount+0x5a9/0x1350 [ 203.493206][ T7458] ? putname+0x78/0xe0 [ 203.493237][ T7458] __x64_sys_mount+0x1a3/0x1e0 [ 203.493270][ T7458] do_syscall_64+0xa4/0xf80 [ 203.493304][ T7458] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 203.493326][ T7458] RIP: 0033:0x7f882819c14a [ 203.493342][ T7458] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 203.493363][ T7458] RSP: 002b:00007f882906de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 203.493383][ T7458] RAX: ffffffffffffffda RBX: 00007f882906dee0 RCX: 00007f882819c14a [ 203.493397][ T7458] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f882906dea0 [ 203.493412][ T7458] RBP: 00002000000124c0 R08: 00007f882906dee0 R09: 0000000000000000 [ 203.493425][ T7458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 203.493438][ T7458] R13: 00007f882906dea0 R14: 0000000000012588 R15: 0000200000000000 [ 203.493454][ T7458] [ 203.493463][ T7458] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 203.734451][ T7473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 203.738737][ T7458] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 203.746849][ T7473] CPU: 1 UID: 0 PID: 7473 Comm: syz.5.154 Not tainted syzkaller #0 PREEMPT(full) [ 203.746876][ T7473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 203.746893][ T7473] Call Trace: [ 203.746899][ T7473] [ 203.746907][ T7473] dump_stack_lvl+0x97/0xe0 [ 203.746934][ T7473] sysfs_warn_dup.cold+0x1c/0x28 [ 203.746966][ T7473] sysfs_create_dir_ns+0x129/0x140 [ 203.746993][ T7473] kobject_add_internal+0x104/0x310 [ 203.747020][ T7473] kobject_init_and_add+0xb2/0xf0 [ 203.747047][ T7473] ? alloc_workqueue_noprof+0xe0/0xb60 [ 203.747074][ T7473] gfs2_sys_fs_add+0xef/0x200 [ 203.747105][ T7473] gfs2_fill_super+0x896/0x1240 [ 203.747125][ T7473] ? sb_set_blocksize+0x8c/0x150 [ 203.747150][ T7473] ? setup_bdev_super+0x19d/0x330 [ 203.747172][ T7473] ? __pfx_gfs2_fill_super+0x10/0x10 [ 203.747206][ T7473] get_tree_bdev_flags+0x1c0/0x290 [ 203.747233][ T7473] gfs2_get_tree+0x26/0xd0 [ 203.747265][ T7473] vfs_get_tree+0x30/0x120 [ 203.747284][ T7473] path_mount+0x5a9/0x1350 [ 203.747318][ T7473] ? putname+0x78/0xe0 [ 203.747348][ T7473] __x64_sys_mount+0x1a3/0x1e0 [ 203.747381][ T7473] do_syscall_64+0xa4/0xf80 [ 203.747414][ T7473] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 203.747437][ T7473] RIP: 0033:0x7f98e9f9c14a [ 203.747453][ T7473] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 203.747481][ T7473] RSP: 002b:00007f98eae88e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 203.747500][ T7473] RAX: ffffffffffffffda RBX: 00007f98eae88ee0 RCX: 00007f98e9f9c14a [ 203.747514][ T7473] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f98eae88ea0 [ 203.747528][ T7473] RBP: 00002000000124c0 R08: 00007f98eae88ee0 R09: 0000000000000000 [ 203.747541][ T7473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 203.747554][ T7473] R13: 00007f98eae88ea0 R14: 0000000000012588 R15: 0000200000000000 [ 203.747570][ T7473] [ 203.747600][ T7473] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 204.887745][ T7473] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 205.354593][ T6335] Bluetooth: hci0: command 0x0406 tx timeout [ 205.360689][ T6335] Bluetooth: hci1: command 0x0406 tx timeout [ 205.366923][ T6354] Bluetooth: hci6: command 0x0406 tx timeout [ 205.434529][ T6338] Bluetooth: hci4: command 0x0406 tx timeout [ 205.434535][ T6343] Bluetooth: hci3: command 0x0406 tx timeout [ 205.434552][ T6343] Bluetooth: hci5: command 0x0406 tx timeout [ 205.440622][ T6338] Bluetooth: hci2: command 0x0406 tx timeout [ 208.475381][ T6352] gfs2: fsid=syz:syz.0: file system withdrawn [ 208.566071][ T7485] set_capacity_and_notify: 3 callbacks suppressed [ 208.566080][ T7485] loop2: detected capacity change from 0 to 32768 [ 208.583891][ T7485] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 208.592174][ T7485] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 208.600828][ T7485] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms [ 208.609316][ T6352] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 208.616563][ T6352] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 208.627110][ T6352] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 10ms [ 208.634835][ T6352] gfs2: fsid=syz:syz.0: jid=0: Done [ 208.640166][ T7485] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 208.665420][ T7485] gfs2: fsid=syz:syz.0: found 1 quota changes [ 208.674139][ T6333] syz-executor: attempt to access beyond end of device [ 208.674139][ T6333] loop2: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768 [ 208.688936][ T6333] Buffer I/O error on dev loop2, logical block 8589934885, lost async page write [ 208.698126][ T6333] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116 [ 208.711793][ T6333] CPU: 1 UID: 0 PID: 6333 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 208.711810][ T6333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 208.711818][ T6333] Call Trace: [ 208.711821][ T6333] [ 208.711826][ T6333] dump_stack_lvl+0x97/0xe0 [ 208.711844][ T6333] gfs2_withdraw.cold+0xa/0x77 [ 208.711855][ T6333] gfs2_io_error_bh_i.cold+0x2d/0x32 [ 208.711867][ T6333] gfs2_ail1_flush+0x497/0x7e0 [ 208.711890][ T6333] gfs2_ail1_start+0x4f/0x80 [ 208.711912][ T6333] gfs2_log_flush+0xf9a/0x1170 [ 208.711925][ T6333] gfs2_kill_sb+0x3e/0x1e0 [ 208.711943][ T6333] deactivate_locked_super+0x4f/0x120 [ 208.711958][ T6333] deactivate_super+0xa4/0xc0 [ 208.711971][ T6333] cleanup_mnt+0x145/0x1f0 [ 208.711986][ T6333] task_work_run+0x95/0xf0 [ 208.712005][ T6333] exit_to_user_mode_loop+0xcf/0x440 [ 208.712021][ T6333] do_syscall_64+0x2b8/0xf80 [ 208.712041][ T6333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 208.712054][ T6333] RIP: 0033:0x7f45e619c117 [ 208.712065][ T6333] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 208.712076][ T6333] RSP: 002b:00007fffb7f04e28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 208.712091][ T6333] RAX: 0000000000000000 RBX: 00007f45e620471f RCX: 00007f45e619c117 [ 208.712098][ T6333] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffb7f04ee0 [ 208.712106][ T6333] RBP: 00007fffb7f04ee0 R08: 00007fffb7f05ee0 R09: 00000000ffffffff [ 208.712113][ T6333] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffb7f05f70 [ 208.712121][ T6333] R13: 00007f45e620471f R14: 0000000000032e68 R15: 00007fffb7f05fb0 [ 208.712130][ T6333] [ 208.712134][ T6333] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 213.925597][ T6352] gfs2: fsid=syz:syz.0: file system withdrawn 2026/01/31 05:15:45 executed programs: 152 [ 216.211272][ T7499] loop0: detected capacity change from 0 to 32768 [ 216.251497][ T7499] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 216.277046][ T7496] loop5: detected capacity change from 0 to 32768 [ 216.304400][ T7499] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 216.336891][ T7496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.344287][ T7496] CPU: 1 UID: 0 PID: 7496 Comm: syz.5.160 Not tainted syzkaller #0 PREEMPT(full) [ 216.344316][ T7496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 216.344330][ T7496] Call Trace: [ 216.344339][ T7496] [ 216.344344][ T7496] dump_stack_lvl+0x97/0xe0 [ 216.344370][ T7496] sysfs_warn_dup.cold+0x1c/0x28 [ 216.344397][ T7496] sysfs_create_dir_ns+0x129/0x140 [ 216.344421][ T7496] kobject_add_internal+0x104/0x310 [ 216.344448][ T7496] kobject_init_and_add+0xb2/0xf0 [ 216.344477][ T7496] ? alloc_workqueue_noprof+0xe0/0xb60 [ 216.344507][ T7496] gfs2_sys_fs_add+0xef/0x200 [ 216.344538][ T7496] gfs2_fill_super+0x896/0x1240 [ 216.344559][ T7496] ? sb_set_blocksize+0x8c/0x150 [ 216.344586][ T7496] ? setup_bdev_super+0x19d/0x330 [ 216.344609][ T7496] ? __pfx_gfs2_fill_super+0x10/0x10 [ 216.344688][ T7496] get_tree_bdev_flags+0x1c0/0x290 [ 216.344713][ T7496] gfs2_get_tree+0x26/0xd0 [ 216.344743][ T7496] vfs_get_tree+0x30/0x120 [ 216.344760][ T7496] path_mount+0x5a9/0x1350 [ 216.344790][ T7496] ? putname+0x78/0xe0 [ 216.344819][ T7496] __x64_sys_mount+0x1a3/0x1e0 [ 216.344849][ T7496] do_syscall_64+0xa4/0xf80 [ 216.344879][ T7496] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 216.344899][ T7496] RIP: 0033:0x7f98e9f9c14a [ 216.344913][ T7496] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 216.344931][ T7496] RSP: 002b:00007f98eae88e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 216.344949][ T7496] RAX: ffffffffffffffda RBX: 00007f98eae88ee0 RCX: 00007f98e9f9c14a [ 216.344962][ T7496] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f98eae88ea0 [ 216.344974][ T7496] RBP: 00002000000124c0 R08: 00007f98eae88ee0 R09: 0000000000000000 [ 216.344986][ T7496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 216.344998][ T7496] R13: 00007f98eae88ea0 R14: 0000000000012588 R15: 0000200000000000 [ 216.345012][ T7496] [ 216.346987][ T7503] loop1: detected capacity change from 0 to 32768 [ 216.386314][ T7495] loop6: detected capacity change from 0 to 32768 [ 216.391475][ T7496] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.444990][ T7499] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms [ 216.491082][ T7501] loop3: detected capacity change from 0 to 32768 [ 216.515393][ T7496] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.522875][ T7495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.546909][ T7498] loop4: detected capacity change from 0 to 32768 [ 216.564474][ T5912] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 216.592269][ T7495] CPU: 1 UID: 0 PID: 7495 Comm: syz.6.161 Not tainted syzkaller #0 PREEMPT(full) [ 216.592299][ T7495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 216.592312][ T7495] Call Trace: [ 216.592318][ T7495] [ 216.592324][ T7495] dump_stack_lvl+0x97/0xe0 [ 216.592353][ T7495] sysfs_warn_dup.cold+0x1c/0x28 [ 216.592386][ T7495] sysfs_create_dir_ns+0x129/0x140 [ 216.592416][ T7495] kobject_add_internal+0x104/0x310 [ 216.592443][ T7495] kobject_init_and_add+0xb2/0xf0 [ 216.592471][ T7495] ? alloc_workqueue_noprof+0xe0/0xb60 [ 216.592500][ T7495] gfs2_sys_fs_add+0xef/0x200 [ 216.592532][ T7495] gfs2_fill_super+0x896/0x1240 [ 216.592553][ T7495] ? sb_set_blocksize+0x8c/0x150 [ 216.592579][ T7495] ? setup_bdev_super+0x19d/0x330 [ 216.592601][ T7495] ? __pfx_gfs2_fill_super+0x10/0x10 [ 216.592637][ T7495] get_tree_bdev_flags+0x1c0/0x290 [ 216.592665][ T7495] gfs2_get_tree+0x26/0xd0 [ 216.592698][ T7495] vfs_get_tree+0x30/0x120 [ 216.592718][ T7495] path_mount+0x5a9/0x1350 [ 216.592752][ T7495] ? putname+0x78/0xe0 [ 216.592785][ T7495] __x64_sys_mount+0x1a3/0x1e0 [ 216.592818][ T7495] do_syscall_64+0xa4/0xf80 [ 216.592859][ T7495] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 216.592882][ T7495] RIP: 0033:0x7f882819c14a [ 216.592897][ T7495] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 216.592917][ T7495] RSP: 002b:00007f882906de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 216.592937][ T7495] RAX: ffffffffffffffda RBX: 00007f882906dee0 RCX: 00007f882819c14a [ 216.592952][ T7495] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f882906dea0 [ 216.592966][ T7495] RBP: 00002000000124c0 R08: 00007f882906dee0 R09: 0000000000000000 [ 216.592979][ T7495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 216.592992][ T7495] R13: 00007f882906dea0 R14: 0000000000012588 R15: 0000200000000000 [ 216.593009][ T7495] [ 216.593018][ T7495] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.622622][ T7505] loop2: detected capacity change from 0 to 32768 [ 216.663191][ T7495] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.666751][ T5912] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 216.680628][ T7503] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.710253][ T5912] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 43ms [ 216.714995][ T7503] CPU: 1 UID: 0 PID: 7503 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full) [ 216.715025][ T7503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 216.715037][ T7503] Call Trace: [ 216.715042][ T7503] [ 216.715049][ T7503] dump_stack_lvl+0x97/0xe0 [ 216.715077][ T7503] sysfs_warn_dup.cold+0x1c/0x28 [ 216.715110][ T7503] sysfs_create_dir_ns+0x129/0x140 [ 216.715138][ T7503] kobject_add_internal+0x104/0x310 [ 216.715164][ T7503] kobject_init_and_add+0xb2/0xf0 [ 216.715190][ T7503] ? alloc_workqueue_noprof+0xe0/0xb60 [ 216.715219][ T7503] gfs2_sys_fs_add+0xef/0x200 [ 216.715249][ T7503] gfs2_fill_super+0x896/0x1240 [ 216.715269][ T7503] ? sb_set_blocksize+0x8c/0x150 [ 216.715294][ T7503] ? setup_bdev_super+0x19d/0x330 [ 216.715316][ T7503] ? __pfx_gfs2_fill_super+0x10/0x10 [ 216.715350][ T7503] get_tree_bdev_flags+0x1c0/0x290 [ 216.715378][ T7503] gfs2_get_tree+0x26/0xd0 [ 216.715410][ T7503] vfs_get_tree+0x30/0x120 [ 216.715430][ T7503] path_mount+0x5a9/0x1350 [ 216.715462][ T7503] ? putname+0x78/0xe0 [ 216.715493][ T7503] __x64_sys_mount+0x1a3/0x1e0 [ 216.715526][ T7503] do_syscall_64+0xa4/0xf80 [ 216.715560][ T7503] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 216.715582][ T7503] RIP: 0033:0x7f36e119c14a [ 216.715604][ T7503] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 216.715625][ T7503] RSP: 002b:00007f36e1ffce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 216.715645][ T7503] RAX: ffffffffffffffda RBX: 00007f36e1ffcee0 RCX: 00007f36e119c14a [ 216.715659][ T7503] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f36e1ffcea0 [ 216.715673][ T7503] RBP: 00002000000124c0 R08: 00007f36e1ffcee0 R09: 0000000000000000 [ 216.715687][ T7503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 216.715700][ T7503] R13: 00007f36e1ffcea0 R14: 0000000000012588 R15: 0000200000000000 [ 216.715717][ T7503] [ 216.715730][ T7503] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.719754][ T5912] gfs2: fsid=syz:syz.0: jid=0: Done [ 216.723388][ T7503] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.730366][ T7499] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 216.734115][ T7498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.763072][ T7498] CPU: 1 UID: 0 PID: 7498 Comm: syz.4.159 Not tainted syzkaller #0 PREEMPT(full) [ 216.763099][ T7498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 216.763112][ T7498] Call Trace: [ 216.763118][ T7498] [ 216.763125][ T7498] dump_stack_lvl+0x97/0xe0 [ 216.763154][ T7498] sysfs_warn_dup.cold+0x1c/0x28 [ 216.763187][ T7498] sysfs_create_dir_ns+0x129/0x140 [ 216.763215][ T7498] kobject_add_internal+0x104/0x310 [ 216.763243][ T7498] kobject_init_and_add+0xb2/0xf0 [ 216.763270][ T7498] ? alloc_workqueue_noprof+0xe0/0xb60 [ 216.763298][ T7498] gfs2_sys_fs_add+0xef/0x200 [ 216.763330][ T7498] gfs2_fill_super+0x896/0x1240 [ 216.763351][ T7498] ? sb_set_blocksize+0x8c/0x150 [ 216.763377][ T7498] ? setup_bdev_super+0x19d/0x330 [ 216.763400][ T7498] ? __pfx_gfs2_fill_super+0x10/0x10 [ 216.763436][ T7498] get_tree_bdev_flags+0x1c0/0x290 [ 216.763470][ T7498] gfs2_get_tree+0x26/0xd0 [ 216.763500][ T7498] vfs_get_tree+0x30/0x120 [ 216.763519][ T7498] path_mount+0x5a9/0x1350 [ 216.763553][ T7498] ? putname+0x78/0xe0 [ 216.763584][ T7498] __x64_sys_mount+0x1a3/0x1e0 [ 216.763617][ T7498] do_syscall_64+0xa4/0xf80 [ 216.763652][ T7498] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 216.763675][ T7498] RIP: 0033:0x7f1b9639c14a [ 216.763690][ T7498] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 216.763712][ T7498] RSP: 002b:00007f1b959fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 216.763732][ T7498] RAX: ffffffffffffffda RBX: 00007f1b959fdee0 RCX: 00007f1b9639c14a [ 216.763754][ T7498] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f1b959fdea0 [ 216.763769][ T7498] RBP: 00002000000124c0 R08: 00007f1b959fdee0 R09: 0000000000000000 [ 216.763783][ T7498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 216.763796][ T7498] R13: 00007f1b959fdea0 R14: 0000000000012588 R15: 0000200000000000 [ 216.763812][ T7498] [ 216.763822][ T7498] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.810508][ T7520] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 398 [ 216.819871][ T7498] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.830547][ T7499] gfs2: fsid=syz:syz.0: found 1 quota changes [ 216.834442][ T7520] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 216.839654][ T7501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.846878][ T7520] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:7520 [gfs2_quotad/syz] gfs2_quota_sync+0x1da/0x330 [ 216.855217][ T7501] CPU: 0 UID: 0 PID: 7501 Comm: syz.3.158 Not tainted syzkaller #0 PREEMPT(full) [ 216.855245][ T7501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 216.855257][ T7501] Call Trace: [ 216.855263][ T7501] [ 216.855270][ T7501] dump_stack_lvl+0x97/0xe0 [ 216.855298][ T7501] sysfs_warn_dup.cold+0x1c/0x28 [ 216.855330][ T7501] sysfs_create_dir_ns+0x129/0x140 [ 216.855358][ T7501] kobject_add_internal+0x104/0x310 [ 216.855385][ T7501] kobject_init_and_add+0xb2/0xf0 [ 216.855412][ T7501] ? alloc_workqueue_noprof+0xe0/0xb60 [ 216.855440][ T7501] gfs2_sys_fs_add+0xef/0x200 [ 216.855471][ T7501] gfs2_fill_super+0x896/0x1240 [ 216.855500][ T7501] ? sb_set_blocksize+0x8c/0x150 [ 216.855525][ T7501] ? setup_bdev_super+0x19d/0x330 [ 216.855548][ T7501] ? __pfx_gfs2_fill_super+0x10/0x10 [ 216.855583][ T7501] get_tree_bdev_flags+0x1c0/0x290 [ 216.855611][ T7501] gfs2_get_tree+0x26/0xd0 [ 216.855644][ T7501] vfs_get_tree+0x30/0x120 [ 216.855664][ T7501] path_mount+0x5a9/0x1350 [ 216.855697][ T7501] ? putname+0x78/0xe0 [ 216.855728][ T7501] __x64_sys_mount+0x1a3/0x1e0 [ 216.855760][ T7501] do_syscall_64+0xa4/0xf80 [ 216.855793][ T7501] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 216.855816][ T7501] RIP: 0033:0x7f980959c14a [ 216.855832][ T7501] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 216.855853][ T7501] RSP: 002b:00007f980a514e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 216.855873][ T7501] RAX: ffffffffffffffda RBX: 00007f980a514ee0 RCX: 00007f980959c14a [ 216.855887][ T7501] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f980a514ea0 [ 216.855901][ T7501] RBP: 00002000000124c0 R08: 00007f980a514ee0 R09: 0000000000000000 [ 216.855916][ T7501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 216.855929][ T7501] R13: 00007f980a514ea0 R14: 0000000000012588 R15: 0000200000000000 [ 216.855946][ T7501] [ 216.855955][ T7501] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 216.863507][ T7520] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 216.878968][ T7505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 216.880722][ T7520] CPU: 1 UID: 0 PID: 7520 Comm: gfs2_quotad/syz Not tainted syzkaller #0 PREEMPT(full) [ 216.880756][ T7520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 216.880769][ T7520] Call Trace: [ 216.880775][ T7520] [ 216.880781][ T7520] dump_stack_lvl+0x97/0xe0 [ 216.880809][ T7520] gfs2_withdraw.cold+0xa/0x77 [ 216.880830][ T7520] inode_go_instantiate+0x498/0x560 [ 216.880866][ T7520] gfs2_instantiate+0xa7/0x130 [ 216.880891][ T7520] gfs2_glock_wait+0x100/0x140 [ 216.880919][ T7520] gfs2_glock_nq+0x60e/0x9d0 [ 216.880949][ T7520] ? gfs2_glstats_seq_show+0x50/0x60 [ 216.880972][ T7520] do_sync+0x3d3/0x760 [ 216.881000][ T7520] ? gfs2_quota_sync+0x1da/0x330 [ 216.881028][ T7520] gfs2_quota_sync+0x1da/0x330 [ 216.881056][ T7520] gfs2_quotad+0x32a/0x3a0 [ 216.881084][ T7520] ? __pfx_gfs2_quotad+0x10/0x10 [ 216.881113][ T7520] ? __pfx_gfs2_quotad+0x10/0x10 [ 216.881141][ T7520] ? __pfx_gfs2_quotad+0x10/0x10 [ 216.881169][ T7520] kthread+0x161/0x310 [ 216.881193][ T7520] ? __pfx_kthread+0x10/0x10 [ 216.881218][ T7520] ret_from_fork+0x23c/0x320 [ 216.881243][ T7520] ? __pfx_kthread+0x10/0x10 [ 216.881267][ T7520] ret_from_fork_asm+0x1a/0x30 [ 216.881298][ T7520] [ 216.881305][ T7520] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 216.964338][ T7501] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 216.970559][ T7505] CPU: 1 UID: 0 PID: 7505 Comm: syz.2.157 Not tainted syzkaller #0 PREEMPT(full) [ 216.970587][ T7505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 216.970601][ T7505] Call Trace: [ 216.970608][ T7505] [ 216.970615][ T7505] dump_stack_lvl+0x97/0xe0 [ 216.970643][ T7505] sysfs_warn_dup.cold+0x1c/0x28 [ 216.970676][ T7505] sysfs_create_dir_ns+0x129/0x140 [ 216.970705][ T7505] kobject_add_internal+0x104/0x310 [ 216.970738][ T7505] kobject_init_and_add+0xb2/0xf0 [ 216.970765][ T7505] ? alloc_workqueue_noprof+0xe0/0xb60 [ 216.970794][ T7505] gfs2_sys_fs_add+0xef/0x200 [ 216.970826][ T7505] gfs2_fill_super+0x896/0x1240 [ 216.970847][ T7505] ? sb_set_blocksize+0x8c/0x150 [ 216.970872][ T7505] ? setup_bdev_super+0x19d/0x330 [ 216.970895][ T7505] ? __pfx_gfs2_fill_super+0x10/0x10 [ 216.970930][ T7505] get_tree_bdev_flags+0x1c0/0x290 [ 216.970958][ T7505] gfs2_get_tree+0x26/0xd0 [ 216.970990][ T7505] vfs_get_tree+0x30/0x120 [ 216.971011][ T7505] path_mount+0x5a9/0x1350 [ 216.971044][ T7505] ? putname+0x78/0xe0 [ 216.971075][ T7505] __x64_sys_mount+0x1a3/0x1e0 [ 216.971108][ T7505] do_syscall_64+0xa4/0xf80 [ 216.971142][ T7505] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 216.971165][ T7505] RIP: 0033:0x7f45e619c14a [ 216.971181][ T7505] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 216.971202][ T7505] RSP: 002b:00007f45e7075e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 216.971221][ T7505] RAX: ffffffffffffffda RBX: 00007f45e7075ee0 RCX: 00007f45e619c14a [ 216.971236][ T7505] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f45e7075ea0 [ 216.971250][ T7505] RBP: 00002000000124c0 R08: 00007f45e7075ee0 R09: 0000000000000000 [ 216.971264][ T7505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 216.971278][ T7505] R13: 00007f45e7075ea0 R14: 0000000000012588 R15: 0000200000000000 [ 216.971295][ T7505] [ 216.971305][ T7505] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.188047][ T7524] loop5: detected capacity change from 0 to 32768 [ 217.205511][ T7505] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.389899][ T7527] loop6: detected capacity change from 0 to 32768 [ 217.514618][ T7524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.609539][ T7527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.614510][ T7524] CPU: 1 UID: 0 PID: 7524 Comm: syz.5.163 Not tainted syzkaller #0 PREEMPT(full) [ 217.614544][ T7524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 217.614557][ T7524] Call Trace: [ 217.614564][ T7524] [ 217.614572][ T7524] dump_stack_lvl+0x97/0xe0 [ 217.614600][ T7524] sysfs_warn_dup.cold+0x1c/0x28 [ 217.614634][ T7524] sysfs_create_dir_ns+0x129/0x140 [ 217.614662][ T7524] kobject_add_internal+0x104/0x310 [ 217.614690][ T7524] kobject_init_and_add+0xb2/0xf0 [ 217.614717][ T7524] ? alloc_workqueue_noprof+0xe0/0xb60 [ 217.614746][ T7524] gfs2_sys_fs_add+0xef/0x200 [ 217.614777][ T7524] gfs2_fill_super+0x896/0x1240 [ 217.614798][ T7524] ? sb_set_blocksize+0x8c/0x150 [ 217.614824][ T7524] ? setup_bdev_super+0x19d/0x330 [ 217.614847][ T7524] ? __pfx_gfs2_fill_super+0x10/0x10 [ 217.614882][ T7524] get_tree_bdev_flags+0x1c0/0x290 [ 217.614911][ T7524] gfs2_get_tree+0x26/0xd0 [ 217.614943][ T7524] vfs_get_tree+0x30/0x120 [ 217.614964][ T7524] path_mount+0x5a9/0x1350 [ 217.614997][ T7524] ? putname+0x78/0xe0 [ 217.615028][ T7524] __x64_sys_mount+0x1a3/0x1e0 [ 217.615062][ T7524] do_syscall_64+0xa4/0xf80 [ 217.615095][ T7524] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 217.615118][ T7524] RIP: 0033:0x7f98e9f9c14a [ 217.615135][ T7524] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 217.615156][ T7524] RSP: 002b:00007f98eae88e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 217.615177][ T7524] RAX: ffffffffffffffda RBX: 00007f98eae88ee0 RCX: 00007f98e9f9c14a [ 217.615192][ T7524] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f98eae88ea0 [ 217.615206][ T7524] RBP: 00002000000124c0 R08: 00007f98eae88ee0 R09: 0000000000000000 [ 217.615221][ T7524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 217.615235][ T7524] R13: 00007f98eae88ea0 R14: 0000000000012588 R15: 0000200000000000 [ 217.615253][ T7524] [ 217.615263][ T7524] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.650397][ T7534] loop3: detected capacity change from 0 to 32768 [ 217.653219][ T7524] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.809030][ T7527] CPU: 0 UID: 0 PID: 7527 Comm: syz.6.164 Not tainted syzkaller #0 PREEMPT(full) [ 217.809058][ T7527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 217.809072][ T7527] Call Trace: [ 217.809078][ T7527] [ 217.809084][ T7527] dump_stack_lvl+0x97/0xe0 [ 217.809113][ T7527] sysfs_warn_dup.cold+0x1c/0x28 [ 217.809146][ T7527] sysfs_create_dir_ns+0x129/0x140 [ 217.809175][ T7527] kobject_add_internal+0x104/0x310 [ 217.809203][ T7527] kobject_init_and_add+0xb2/0xf0 [ 217.809230][ T7527] ? alloc_workqueue_noprof+0xe0/0xb60 [ 217.809259][ T7527] gfs2_sys_fs_add+0xef/0x200 [ 217.809292][ T7527] gfs2_fill_super+0x896/0x1240 [ 217.809312][ T7527] ? sb_set_blocksize+0x8c/0x150 [ 217.809338][ T7527] ? setup_bdev_super+0x19d/0x330 [ 217.809361][ T7527] ? __pfx_gfs2_fill_super+0x10/0x10 [ 217.809397][ T7527] get_tree_bdev_flags+0x1c0/0x290 [ 217.809424][ T7527] gfs2_get_tree+0x26/0xd0 [ 217.809457][ T7527] vfs_get_tree+0x30/0x120 [ 217.809477][ T7527] path_mount+0x5a9/0x1350 [ 217.809509][ T7527] ? putname+0x78/0xe0 [ 217.809540][ T7527] __x64_sys_mount+0x1a3/0x1e0 [ 217.809573][ T7527] do_syscall_64+0xa4/0xf80 [ 217.809607][ T7527] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 217.809630][ T7527] RIP: 0033:0x7f882819c14a [ 217.809646][ T7527] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 217.809667][ T7527] RSP: 002b:00007f882906de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 217.809687][ T7527] RAX: ffffffffffffffda RBX: 00007f882906dee0 RCX: 00007f882819c14a [ 217.809701][ T7527] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f882906dea0 [ 217.809716][ T7527] RBP: 00002000000124c0 R08: 00007f882906dee0 R09: 0000000000000000 [ 217.809729][ T7527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 217.809743][ T7527] R13: 00007f882906dea0 R14: 0000000000012588 R15: 0000200000000000 [ 217.809765][ T7527] [ 217.809776][ T7527] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 217.887855][ T7531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 217.924382][ T7527] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 217.928281][ T7531] CPU: 1 UID: 0 PID: 7531 Comm: syz.4.167 Not tainted syzkaller #0 PREEMPT(full) [ 217.928312][ T7531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 217.928325][ T7531] Call Trace: [ 217.928331][ T7531] [ 217.928338][ T7531] dump_stack_lvl+0x97/0xe0 [ 217.928366][ T7531] sysfs_warn_dup.cold+0x1c/0x28 [ 217.928398][ T7531] sysfs_create_dir_ns+0x129/0x140 [ 217.928427][ T7531] kobject_add_internal+0x104/0x310 [ 217.928454][ T7531] kobject_init_and_add+0xb2/0xf0 [ 217.928482][ T7531] ? alloc_workqueue_noprof+0xe0/0xb60 [ 217.928519][ T7531] gfs2_sys_fs_add+0xef/0x200 [ 217.928550][ T7531] gfs2_fill_super+0x896/0x1240 [ 217.928570][ T7531] ? sb_set_blocksize+0x8c/0x150 [ 217.928595][ T7531] ? setup_bdev_super+0x19d/0x330 [ 217.928618][ T7531] ? __pfx_gfs2_fill_super+0x10/0x10 [ 217.928652][ T7531] get_tree_bdev_flags+0x1c0/0x290 [ 217.928680][ T7531] gfs2_get_tree+0x26/0xd0 [ 217.928712][ T7531] vfs_get_tree+0x30/0x120 [ 217.928732][ T7531] path_mount+0x5a9/0x1350 [ 217.928765][ T7531] ? putname+0x78/0xe0 [ 217.928796][ T7531] __x64_sys_mount+0x1a3/0x1e0 [ 217.928829][ T7531] do_syscall_64+0xa4/0xf80 [ 217.928864][ T7531] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 217.928886][ T7531] RIP: 0033:0x7f1b9639c14a [ 217.928902][ T7531] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 217.928922][ T7531] RSP: 002b:00007f1b959fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 217.928942][ T7531] RAX: ffffffffffffffda RBX: 00007f1b959fdee0 RCX: 00007f1b9639c14a [ 217.928956][ T7531] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f1b959fdea0 [ 217.928970][ T7531] RBP: 00002000000124c0 R08: 00007f1b959fdee0 R09: 0000000000000000 [ 217.928983][ T7531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 217.928997][ T7531] R13: 00007f1b959fdea0 R14: 0000000000012588 R15: 0000200000000000 [ 217.929014][ T7531] [ 217.929048][ T7531] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.007832][ T7529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.013807][ T7531] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.017116][ T7529] CPU: 0 UID: 0 PID: 7529 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) [ 218.017143][ T7529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 218.017156][ T7529] Call Trace: [ 218.017162][ T7529] [ 218.017168][ T7529] dump_stack_lvl+0x97/0xe0 [ 218.017196][ T7529] sysfs_warn_dup.cold+0x1c/0x28 [ 218.017229][ T7529] sysfs_create_dir_ns+0x129/0x140 [ 218.017257][ T7529] kobject_add_internal+0x104/0x310 [ 218.017284][ T7529] kobject_init_and_add+0xb2/0xf0 [ 218.017311][ T7529] ? alloc_workqueue_noprof+0xe0/0xb60 [ 218.017339][ T7529] gfs2_sys_fs_add+0xef/0x200 [ 218.017370][ T7529] gfs2_fill_super+0x896/0x1240 [ 218.017391][ T7529] ? sb_set_blocksize+0x8c/0x150 [ 218.017416][ T7529] ? setup_bdev_super+0x19d/0x330 [ 218.017439][ T7529] ? __pfx_gfs2_fill_super+0x10/0x10 [ 218.017538][ T7529] get_tree_bdev_flags+0x1c0/0x290 [ 218.017569][ T7529] gfs2_get_tree+0x26/0xd0 [ 218.017600][ T7529] vfs_get_tree+0x30/0x120 [ 218.017621][ T7529] path_mount+0x5a9/0x1350 [ 218.017654][ T7529] ? putname+0x78/0xe0 [ 218.017687][ T7529] __x64_sys_mount+0x1a3/0x1e0 [ 218.017719][ T7529] do_syscall_64+0xa4/0xf80 [ 218.017753][ T7529] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 218.017776][ T7529] RIP: 0033:0x7f36e119c14a [ 218.017792][ T7529] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 218.017813][ T7529] RSP: 002b:00007f36e1ffce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 218.017833][ T7529] RAX: ffffffffffffffda RBX: 00007f36e1ffcee0 RCX: 00007f36e119c14a [ 218.017847][ T7529] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f36e1ffcea0 [ 218.017862][ T7529] RBP: 00002000000124c0 R08: 00007f36e1ffcee0 R09: 0000000000000000 [ 218.017875][ T7529] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 218.017889][ T7529] R13: 00007f36e1ffcea0 R14: 0000000000012588 R15: 0000200000000000 [ 218.017907][ T7529] [ 218.017920][ T7529] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.043044][ T7534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.082573][ T7529] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.099673][ T7534] CPU: 1 UID: 0 PID: 7534 Comm: syz.3.166 Not tainted syzkaller #0 PREEMPT(full) [ 218.099707][ T7534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 218.099721][ T7534] Call Trace: [ 218.099727][ T7534] [ 218.099734][ T7534] dump_stack_lvl+0x97/0xe0 [ 218.099761][ T7534] sysfs_warn_dup.cold+0x1c/0x28 [ 218.099794][ T7534] sysfs_create_dir_ns+0x129/0x140 [ 218.099822][ T7534] kobject_add_internal+0x104/0x310 [ 218.099850][ T7534] kobject_init_and_add+0xb2/0xf0 [ 218.099876][ T7534] ? alloc_workqueue_noprof+0xe0/0xb60 [ 218.099904][ T7534] gfs2_sys_fs_add+0xef/0x200 [ 218.099936][ T7534] gfs2_fill_super+0x896/0x1240 [ 218.099956][ T7534] ? sb_set_blocksize+0x8c/0x150 [ 218.099982][ T7534] ? setup_bdev_super+0x19d/0x330 [ 218.100005][ T7534] ? __pfx_gfs2_fill_super+0x10/0x10 [ 218.100041][ T7534] get_tree_bdev_flags+0x1c0/0x290 [ 218.100068][ T7534] gfs2_get_tree+0x26/0xd0 [ 218.100102][ T7534] vfs_get_tree+0x30/0x120 [ 218.100123][ T7534] path_mount+0x5a9/0x1350 [ 218.100156][ T7534] ? putname+0x78/0xe0 [ 218.100187][ T7534] __x64_sys_mount+0x1a3/0x1e0 [ 218.100220][ T7534] do_syscall_64+0xa4/0xf80 [ 218.100254][ T7534] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 218.100276][ T7534] RIP: 0033:0x7f980959c14a [ 218.100292][ T7534] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 218.100313][ T7534] RSP: 002b:00007f980a514e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 218.100333][ T7534] RAX: ffffffffffffffda RBX: 00007f980a514ee0 RCX: 00007f980959c14a [ 218.100347][ T7534] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f980a514ea0 [ 218.100361][ T7534] RBP: 00002000000124c0 R08: 00007f980a514ee0 R09: 0000000000000000 [ 218.100375][ T7534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 218.100388][ T7534] R13: 00007f980a514ea0 R14: 0000000000012588 R15: 0000200000000000 [ 218.100405][ T7534] [ 218.100416][ T7534] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 218.134864][ T7541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 218.142110][ T7534] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 218.195672][ T7541] CPU: 0 UID: 0 PID: 7541 Comm: syz.2.168 Not tainted syzkaller #0 PREEMPT(full) [ 218.195701][ T7541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 218.195714][ T7541] Call Trace: [ 218.195720][ T7541] [ 218.195727][ T7541] dump_stack_lvl+0x97/0xe0 [ 218.195755][ T7541] sysfs_warn_dup.cold+0x1c/0x28 [ 218.195789][ T7541] sysfs_create_dir_ns+0x129/0x140 [ 218.195818][ T7541] kobject_add_internal+0x104/0x310 [ 218.195845][ T7541] kobject_init_and_add+0xb2/0xf0 [ 218.195872][ T7541] ? alloc_workqueue_noprof+0xe0/0xb60 [ 218.195900][ T7541] gfs2_sys_fs_add+0xef/0x200 [ 218.195931][ T7541] gfs2_fill_super+0x896/0x1240 [ 218.195952][ T7541] ? sb_set_blocksize+0x8c/0x150 [ 218.195977][ T7541] ? setup_bdev_super+0x19d/0x330 [ 218.195999][ T7541] ? __pfx_gfs2_fill_super+0x10/0x10 [ 218.196034][ T7541] get_tree_bdev_flags+0x1c0/0x290 [ 218.196062][ T7541] gfs2_get_tree+0x26/0xd0 [ 218.196094][ T7541] vfs_get_tree+0x30/0x120 [ 218.196114][ T7541] path_mount+0x5a9/0x1350 [ 218.196147][ T7541] ? putname+0x78/0xe0 [ 218.196179][ T7541] __x64_sys_mount+0x1a3/0x1e0 [ 218.196211][ T7541] do_syscall_64+0xa4/0xf80 [ 218.196244][ T7541] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 218.196267][ T7541] RIP: 0033:0x7f45e619c14a [ 218.196283][ T7541] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 218.196304][ T7541] RSP: 002b:00007f45e7075e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 218.196322][ T7541] RAX: ffffffffffffffda RBX: 00007f45e7075ee0 RCX: 00007f45e619c14a [ 218.196336][ T7541] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f45e7075ea0 [ 218.196351][ T7541] RBP: 00002000000124c0 R08: 00007f45e7075ee0 R09: 0000000000000000 [ 218.196364][ T7541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 218.196378][ T7541] R13: 00007f45e7075ea0 R14: 0000000000012588 R15: 0000200000000000 [ 218.196394][ T7541] [ 218.196404][ T7541] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 219.284144][ T7541] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 221.994453][ T6329] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 564 [ 222.009006][ T6329] CPU: 0 UID: 0 PID: 6329 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 222.009027][ T6329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 222.009035][ T6329] Call Trace: [ 222.009039][ T6329] [ 222.009044][ T6329] dump_stack_lvl+0x97/0xe0 [ 222.009063][ T6329] gfs2_assert_warn_i.cold+0x38/0x94 [ 222.009077][ T6329] gfs2_make_fs_ro+0x13d/0x220 [ 222.009091][ T6329] ? __pfx_autoremove_wake_function+0x10/0x10 [ 222.009113][ T6329] gfs2_put_super+0xb4/0x2d0 [ 222.009125][ T6329] ? __pfx_gfs2_put_super+0x10/0x10 [ 222.009138][ T6329] generic_shutdown_super+0x9c/0x160 [ 222.009152][ T6329] kill_block_super+0x1d/0x50 [ 222.009167][ T6329] gfs2_kill_sb+0x1b6/0x1e0 [ 222.009186][ T6329] deactivate_locked_super+0x4f/0x120 [ 222.009201][ T6329] deactivate_super+0xa4/0xc0 [ 222.009214][ T6329] cleanup_mnt+0x145/0x1f0 [ 222.009229][ T6329] task_work_run+0x95/0xf0 [ 222.009248][ T6329] exit_to_user_mode_loop+0xcf/0x440 [ 222.009264][ T6329] do_syscall_64+0x2b8/0xf80 [ 222.009285][ T6329] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 222.009299][ T6329] RIP: 0033:0x7efd4579c117 [ 222.009309][ T6329] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 222.009321][ T6329] RSP: 002b:00007fff9a713d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 222.009333][ T6329] RAX: 0000000000000000 RBX: 00007efd4580471f RCX: 00007efd4579c117 [ 222.009341][ T6329] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9a713df0 [ 222.009348][ T6329] RBP: 00007fff9a713df0 R08: 00007fff9a714df0 R09: 00000000ffffffff [ 222.009356][ T6329] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9a714e80 [ 222.009364][ T6329] R13: 00007efd4580471f R14: 0000000000034baa R15: 00007fff9a714ec0 [ 222.009373][ T6329] [ 222.310115][ T7549] set_capacity_and_notify: 3 callbacks suppressed [ 222.310125][ T7549] loop0: detected capacity change from 0 to 32768 [ 222.334683][ T7549] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 222.342846][ T7549] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 222.352442][ T7549] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms [ 222.360581][ T5947] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 222.367740][ T5947] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 222.378195][ T5947] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 10ms [ 222.386702][ T5947] gfs2: fsid=syz:syz.0: jid=0: Done [ 222.392036][ T7549] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 222.419853][ T7549] gfs2: fsid=syz:syz.0: found 1 quota changes [ 222.428501][ T6329] syz-executor: attempt to access beyond end of device [ 222.428501][ T6329] loop0: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768 [ 222.443366][ T6329] Buffer I/O error on dev loop0, logical block 8589934885, lost async page write [ 222.452840][ T6329] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116 [ 222.466242][ T6329] CPU: 0 UID: 0 PID: 6329 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 222.466269][ T6329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 222.466281][ T6329] Call Trace: [ 222.466286][ T6329] [ 222.466292][ T6329] dump_stack_lvl+0x97/0xe0 [ 222.466320][ T6329] gfs2_withdraw.cold+0xa/0x77 [ 222.466341][ T6329] gfs2_io_error_bh_i.cold+0x2d/0x32 [ 222.466363][ T6329] gfs2_ail1_flush+0x497/0x7e0 [ 222.466402][ T6329] gfs2_ail1_start+0x4f/0x80 [ 222.466442][ T6329] gfs2_log_flush+0xf9a/0x1170 [ 222.466464][ T6329] gfs2_kill_sb+0x3e/0x1e0 [ 222.466497][ T6329] deactivate_locked_super+0x4f/0x120 [ 222.466524][ T6329] deactivate_super+0xa4/0xc0 [ 222.466550][ T6329] cleanup_mnt+0x145/0x1f0 [ 222.466574][ T6329] task_work_run+0x95/0xf0 [ 222.466603][ T6329] exit_to_user_mode_loop+0xcf/0x440 [ 222.466632][ T6329] do_syscall_64+0x2b8/0xf80 [ 222.466666][ T6329] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 222.466688][ T6329] RIP: 0033:0x7efd4579c117 [ 222.466705][ T6329] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 222.466727][ T6329] RSP: 002b:00007fff9a713d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 222.466748][ T6329] RAX: 0000000000000000 RBX: 00007efd4580471f RCX: 00007efd4579c117 [ 222.466763][ T6329] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9a713df0 [ 222.466777][ T6329] RBP: 00007fff9a713df0 R08: 00007fff9a714df0 R09: 00000000ffffffff [ 222.466793][ T6329] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9a714e80 [ 222.466807][ T6329] R13: 00007efd4580471f R14: 000000000003641e R15: 00007fff9a714ec0 [ 222.466825][ T6329] [ 222.466831][ T6329] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 227.674945][ T6329] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 564 [ 227.689310][ T6329] CPU: 0 UID: 0 PID: 6329 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 227.689337][ T6329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 227.689345][ T6329] Call Trace: [ 227.689350][ T6329] [ 227.689354][ T6329] dump_stack_lvl+0x97/0xe0 [ 227.689372][ T6329] gfs2_assert_warn_i.cold+0x38/0x94 [ 227.689385][ T6329] gfs2_make_fs_ro+0x13d/0x220 [ 227.689399][ T6329] ? __pfx_autoremove_wake_function+0x10/0x10 [ 227.689419][ T6329] gfs2_put_super+0xb4/0x2d0 [ 227.689432][ T6329] ? __pfx_gfs2_put_super+0x10/0x10 [ 227.689450][ T6329] generic_shutdown_super+0x9c/0x160 [ 227.689464][ T6329] kill_block_super+0x1d/0x50 [ 227.689476][ T6329] gfs2_kill_sb+0x1b6/0x1e0 [ 227.689496][ T6329] deactivate_locked_super+0x4f/0x120 [ 227.689510][ T6329] deactivate_super+0xa4/0xc0 [ 227.689523][ T6329] cleanup_mnt+0x145/0x1f0 [ 227.689538][ T6329] task_work_run+0x95/0xf0 [ 227.689556][ T6329] exit_to_user_mode_loop+0xcf/0x440 [ 227.689572][ T6329] do_syscall_64+0x2b8/0xf80 [ 227.689593][ T6329] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 227.689606][ T6329] RIP: 0033:0x7efd4579c117 [ 227.689617][ T6329] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 227.689629][ T6329] RSP: 002b:00007fff9a713d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 227.689641][ T6329] RAX: 0000000000000000 RBX: 00007efd4580471f RCX: 00007efd4579c117 [ 227.689649][ T6329] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9a713df0 [ 227.689656][ T6329] RBP: 00007fff9a713df0 R08: 00007fff9a714df0 R09: 00000000ffffffff [ 227.689664][ T6329] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9a714e80 [ 227.689672][ T6329] R13: 00007efd4580471f R14: 000000000003641e R15: 00007fff9a714ec0 [ 227.689681][ T6329] 2026/01/31 05:15:59 executed programs: 166 [ 230.067575][ T7563] loop1: detected capacity change from 0 to 32768 [ 230.075235][ T7562] loop5: detected capacity change from 0 to 32768 [ 230.087364][ T7565] loop6: detected capacity change from 0 to 32768 [ 230.110213][ T7569] loop3: detected capacity change from 0 to 32768 [ 230.123486][ T7568] loop2: detected capacity change from 0 to 32768 [ 230.130575][ T7558] loop4: detected capacity change from 0 to 32768 [ 230.144754][ T7565] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 230.158783][ T7566] loop0: detected capacity change from 0 to 32768 [ 230.175623][ T7563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.183939][ T7563] CPU: 0 UID: 0 PID: 7563 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full) [ 230.183968][ T7563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 230.183981][ T7563] Call Trace: [ 230.183986][ T7563] [ 230.183994][ T7563] dump_stack_lvl+0x97/0xe0 [ 230.184021][ T7563] sysfs_warn_dup.cold+0x1c/0x28 [ 230.184055][ T7563] sysfs_create_dir_ns+0x129/0x140 [ 230.184090][ T7563] kobject_add_internal+0x104/0x310 [ 230.184118][ T7563] kobject_init_and_add+0xb2/0xf0 [ 230.184145][ T7563] ? alloc_workqueue_noprof+0xe0/0xb60 [ 230.184175][ T7563] gfs2_sys_fs_add+0xef/0x200 [ 230.184206][ T7563] gfs2_fill_super+0x896/0x1240 [ 230.184227][ T7563] ? sb_set_blocksize+0x8c/0x150 [ 230.184252][ T7563] ? setup_bdev_super+0x19d/0x330 [ 230.184276][ T7563] ? __pfx_gfs2_fill_super+0x10/0x10 [ 230.184312][ T7563] get_tree_bdev_flags+0x1c0/0x290 [ 230.184343][ T7563] gfs2_get_tree+0x26/0xd0 [ 230.184372][ T7563] vfs_get_tree+0x30/0x120 [ 230.184391][ T7563] path_mount+0x5a9/0x1350 [ 230.184420][ T7563] ? putname+0x78/0xe0 [ 230.184448][ T7563] __x64_sys_mount+0x1a3/0x1e0 [ 230.184478][ T7563] do_syscall_64+0xa4/0xf80 [ 230.184513][ T7563] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 230.184535][ T7563] RIP: 0033:0x7f36e119c14a [ 230.184551][ T7563] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 230.184572][ T7563] RSP: 002b:00007f36e1ffce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 230.184593][ T7563] RAX: ffffffffffffffda RBX: 00007f36e1ffcee0 RCX: 00007f36e119c14a [ 230.184608][ T7563] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f36e1ffcea0 [ 230.184622][ T7563] RBP: 00002000000124c0 R08: 00007f36e1ffcee0 R09: 0000000000000000 [ 230.184636][ T7563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 230.184651][ T7563] R13: 00007f36e1ffcea0 R14: 0000000000012588 R15: 0000200000000000 [ 230.184668][ T7563] [ 230.186062][ T7565] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 230.194375][ T7563] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.277745][ T7562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.280696][ T7563] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.300613][ T7562] CPU: 1 UID: 0 PID: 7562 Comm: syz.5.174 Not tainted syzkaller #0 PREEMPT(full) [ 230.300642][ T7562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 230.300656][ T7562] Call Trace: [ 230.300662][ T7562] [ 230.300668][ T7562] dump_stack_lvl+0x97/0xe0 [ 230.300697][ T7562] sysfs_warn_dup.cold+0x1c/0x28 [ 230.300731][ T7562] sysfs_create_dir_ns+0x129/0x140 [ 230.300759][ T7562] kobject_add_internal+0x104/0x310 [ 230.300786][ T7562] kobject_init_and_add+0xb2/0xf0 [ 230.300813][ T7562] ? alloc_workqueue_noprof+0xe0/0xb60 [ 230.300841][ T7562] gfs2_sys_fs_add+0xef/0x200 [ 230.300873][ T7562] gfs2_fill_super+0x896/0x1240 [ 230.300893][ T7562] ? sb_set_blocksize+0x8c/0x150 [ 230.300919][ T7562] ? setup_bdev_super+0x19d/0x330 [ 230.300942][ T7562] ? __pfx_gfs2_fill_super+0x10/0x10 [ 230.300976][ T7562] get_tree_bdev_flags+0x1c0/0x290 [ 230.301003][ T7562] gfs2_get_tree+0x26/0xd0 [ 230.301035][ T7562] vfs_get_tree+0x30/0x120 [ 230.301055][ T7562] path_mount+0x5a9/0x1350 [ 230.301088][ T7562] ? putname+0x78/0xe0 [ 230.301119][ T7562] __x64_sys_mount+0x1a3/0x1e0 [ 230.301151][ T7562] do_syscall_64+0xa4/0xf80 [ 230.301185][ T7562] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 230.301207][ T7562] RIP: 0033:0x7f98e9f9c14a [ 230.301223][ T7562] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 230.301245][ T7562] RSP: 002b:00007f98eae88e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 230.301265][ T7562] RAX: ffffffffffffffda RBX: 00007f98eae88ee0 RCX: 00007f98e9f9c14a [ 230.301280][ T7562] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f98eae88ea0 [ 230.301293][ T7562] RBP: 00002000000124c0 R08: 00007f98eae88ee0 R09: 0000000000000000 [ 230.301307][ T7562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 230.301320][ T7562] R13: 00007f98eae88ea0 R14: 0000000000012588 R15: 0000200000000000 [ 230.301337][ T7562] [ 230.301346][ T7562] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.307424][ T7565] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms [ 230.310491][ T7562] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.344643][ T6537] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 230.364498][ T7569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.370088][ T6537] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 230.377487][ T7569] CPU: 1 UID: 0 PID: 7569 Comm: syz.3.172 Not tainted syzkaller #0 PREEMPT(full) [ 230.377528][ T7569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 230.377541][ T7569] Call Trace: [ 230.377547][ T7569] [ 230.377553][ T7569] dump_stack_lvl+0x97/0xe0 [ 230.377587][ T7569] sysfs_warn_dup.cold+0x1c/0x28 [ 230.377620][ T7569] sysfs_create_dir_ns+0x129/0x140 [ 230.377648][ T7569] kobject_add_internal+0x104/0x310 [ 230.377675][ T7569] kobject_init_and_add+0xb2/0xf0 [ 230.377703][ T7569] ? alloc_workqueue_noprof+0xe0/0xb60 [ 230.377731][ T7569] gfs2_sys_fs_add+0xef/0x200 [ 230.377762][ T7569] gfs2_fill_super+0x896/0x1240 [ 230.377782][ T7569] ? sb_set_blocksize+0x8c/0x150 [ 230.377808][ T7569] ? setup_bdev_super+0x19d/0x330 [ 230.377832][ T7569] ? __pfx_gfs2_fill_super+0x10/0x10 [ 230.377862][ T7569] get_tree_bdev_flags+0x1c0/0x290 [ 230.377890][ T7569] gfs2_get_tree+0x26/0xd0 [ 230.377922][ T7569] vfs_get_tree+0x30/0x120 [ 230.377943][ T7569] path_mount+0x5a9/0x1350 [ 230.377975][ T7569] ? putname+0x78/0xe0 [ 230.378006][ T7569] __x64_sys_mount+0x1a3/0x1e0 [ 230.378040][ T7569] do_syscall_64+0xa4/0xf80 [ 230.378074][ T7569] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 230.378096][ T7569] RIP: 0033:0x7f980959c14a [ 230.378112][ T7569] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 230.378133][ T7569] RSP: 002b:00007f980a514e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 230.378153][ T7569] RAX: ffffffffffffffda RBX: 00007f980a514ee0 RCX: 00007f980959c14a [ 230.378168][ T7569] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f980a514ea0 [ 230.378182][ T7569] RBP: 00002000000124c0 R08: 00007f980a514ee0 R09: 0000000000000000 [ 230.378196][ T7569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 230.378210][ T7569] R13: 00007f980a514ea0 R14: 0000000000012588 R15: 0000200000000000 [ 230.378227][ T7569] [ 230.378236][ T7569] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.398016][ T6537] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 27ms [ 230.401420][ T7569] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.408721][ T7558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.464616][ T7568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.465729][ T6537] gfs2: fsid=syz:syz.0: jid=0: Done [ 230.470914][ T7568] CPU: 1 UID: 0 PID: 7568 Comm: syz.2.171 Not tainted syzkaller #0 PREEMPT(full) [ 230.470941][ T7568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 230.470954][ T7568] Call Trace: [ 230.470960][ T7568] [ 230.470967][ T7568] dump_stack_lvl+0x97/0xe0 [ 230.470995][ T7568] sysfs_warn_dup.cold+0x1c/0x28 [ 230.471026][ T7568] sysfs_create_dir_ns+0x129/0x140 [ 230.471055][ T7568] kobject_add_internal+0x104/0x310 [ 230.471081][ T7568] kobject_init_and_add+0xb2/0xf0 [ 230.471108][ T7568] ? alloc_workqueue_noprof+0xe0/0xb60 [ 230.471136][ T7568] gfs2_sys_fs_add+0xef/0x200 [ 230.471167][ T7568] gfs2_fill_super+0x896/0x1240 [ 230.471188][ T7568] ? sb_set_blocksize+0x8c/0x150 [ 230.471213][ T7568] ? setup_bdev_super+0x19d/0x330 [ 230.471235][ T7568] ? __pfx_gfs2_fill_super+0x10/0x10 [ 230.471270][ T7568] get_tree_bdev_flags+0x1c0/0x290 [ 230.471298][ T7568] gfs2_get_tree+0x26/0xd0 [ 230.471330][ T7568] vfs_get_tree+0x30/0x120 [ 230.471350][ T7568] path_mount+0x5a9/0x1350 [ 230.471383][ T7568] ? putname+0x78/0xe0 [ 230.471413][ T7568] __x64_sys_mount+0x1a3/0x1e0 [ 230.471445][ T7568] do_syscall_64+0xa4/0xf80 [ 230.471478][ T7568] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 230.471501][ T7568] RIP: 0033:0x7f45e619c14a [ 230.471516][ T7568] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 230.471537][ T7568] RSP: 002b:00007f45e7075e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 230.471557][ T7568] RAX: ffffffffffffffda RBX: 00007f45e7075ee0 RCX: 00007f45e619c14a [ 230.471571][ T7568] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f45e7075ea0 [ 230.471591][ T7568] RBP: 00002000000124c0 R08: 00007f45e7075ee0 R09: 0000000000000000 [ 230.471605][ T7568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 230.471618][ T7568] R13: 00007f45e7075ea0 R14: 0000000000012588 R15: 0000200000000000 [ 230.471635][ T7568] [ 230.471644][ T7568] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.475908][ T7558] CPU: 0 UID: 0 PID: 7558 Comm: syz.4.173 Not tainted syzkaller #0 PREEMPT(full) [ 230.475935][ T7558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 230.475947][ T7558] Call Trace: [ 230.475953][ T7558] [ 230.475959][ T7558] dump_stack_lvl+0x97/0xe0 [ 230.475985][ T7558] sysfs_warn_dup.cold+0x1c/0x28 [ 230.476018][ T7558] sysfs_create_dir_ns+0x129/0x140 [ 230.476045][ T7558] kobject_add_internal+0x104/0x310 [ 230.476071][ T7558] kobject_init_and_add+0xb2/0xf0 [ 230.476098][ T7558] ? alloc_workqueue_noprof+0xe0/0xb60 [ 230.476127][ T7558] gfs2_sys_fs_add+0xef/0x200 [ 230.476158][ T7558] gfs2_fill_super+0x896/0x1240 [ 230.476179][ T7558] ? sb_set_blocksize+0x8c/0x150 [ 230.476204][ T7558] ? setup_bdev_super+0x19d/0x330 [ 230.476227][ T7558] ? __pfx_gfs2_fill_super+0x10/0x10 [ 230.476263][ T7558] get_tree_bdev_flags+0x1c0/0x290 [ 230.476291][ T7558] gfs2_get_tree+0x26/0xd0 [ 230.476323][ T7558] vfs_get_tree+0x30/0x120 [ 230.476343][ T7558] path_mount+0x5a9/0x1350 [ 230.476377][ T7558] ? putname+0x78/0xe0 [ 230.476408][ T7558] __x64_sys_mount+0x1a3/0x1e0 [ 230.476440][ T7558] do_syscall_64+0xa4/0xf80 [ 230.476474][ T7558] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 230.476497][ T7558] RIP: 0033:0x7f1b9639c14a [ 230.476512][ T7558] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 230.476533][ T7558] RSP: 002b:00007f1b959fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 230.476553][ T7558] RAX: ffffffffffffffda RBX: 00007f1b959fdee0 RCX: 00007f1b9639c14a [ 230.476567][ T7558] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f1b959fdea0 [ 230.476581][ T7558] RBP: 00002000000124c0 R08: 00007f1b959fdee0 R09: 0000000000000000 [ 230.476595][ T7558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 230.476608][ T7558] R13: 00007f1b959fdea0 R14: 0000000000012588 R15: 0000200000000000 [ 230.476625][ T7558] [ 230.476633][ T7558] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.481521][ T7565] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 230.485524][ T7558] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.492779][ T7566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 230.506084][ T7568] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 230.560590][ T7566] CPU: 1 UID: 0 PID: 7566 Comm: syz.0.169 Not tainted syzkaller #0 PREEMPT(full) [ 230.560618][ T7566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 230.560630][ T7566] Call Trace: [ 230.560636][ T7566] [ 230.560643][ T7566] dump_stack_lvl+0x97/0xe0 [ 230.560670][ T7566] sysfs_warn_dup.cold+0x1c/0x28 [ 230.560703][ T7566] sysfs_create_dir_ns+0x129/0x140 [ 230.560730][ T7566] kobject_add_internal+0x104/0x310 [ 230.560756][ T7566] kobject_init_and_add+0xb2/0xf0 [ 230.560783][ T7566] ? alloc_workqueue_noprof+0xe0/0xb60 [ 230.560810][ T7566] gfs2_sys_fs_add+0xef/0x200 [ 230.560841][ T7566] gfs2_fill_super+0x896/0x1240 [ 230.560862][ T7566] ? sb_set_blocksize+0x8c/0x150 [ 230.560887][ T7566] ? setup_bdev_super+0x19d/0x330 [ 230.560910][ T7566] ? __pfx_gfs2_fill_super+0x10/0x10 [ 230.560945][ T7566] get_tree_bdev_flags+0x1c0/0x290 [ 230.560973][ T7566] gfs2_get_tree+0x26/0xd0 [ 230.561006][ T7566] vfs_get_tree+0x30/0x120 [ 230.561027][ T7566] path_mount+0x5a9/0x1350 [ 230.561060][ T7566] ? putname+0x78/0xe0 [ 230.561091][ T7566] __x64_sys_mount+0x1a3/0x1e0 [ 230.561124][ T7566] do_syscall_64+0xa4/0xf80 [ 230.561158][ T7566] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 230.561181][ T7566] RIP: 0033:0x7efd4579c14a [ 230.561196][ T7566] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 230.561218][ T7566] RSP: 002b:00007efd46630e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 230.561238][ T7566] RAX: ffffffffffffffda RBX: 00007efd46630ee0 RCX: 00007efd4579c14a [ 230.561252][ T7566] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007efd46630ea0 [ 230.561266][ T7566] RBP: 00002000000124c0 R08: 00007efd46630ee0 R09: 0000000000000000 [ 230.561279][ T7566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 230.561293][ T7566] R13: 00007efd46630ea0 R14: 0000000000012588 R15: 0000200000000000 [ 230.561310][ T7566] [ 230.561318][ T7566] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 230.755370][ T7566] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.210488][ T7591] loop5: detected capacity change from 0 to 32768 [ 231.262556][ T7587] loop1: detected capacity change from 0 to 32768 [ 231.359808][ T7594] loop3: detected capacity change from 0 to 32768 [ 231.500586][ T7565] gfs2: fsid=syz:syz.0: found 1 quota changes [ 231.603087][ T7591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.615018][ T7598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.622412][ T7598] CPU: 1 UID: 0 PID: 7598 Comm: syz.0.181 Not tainted syzkaller #0 PREEMPT(full) [ 231.622439][ T7598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 231.622454][ T7598] Call Trace: [ 231.622459][ T7598] [ 231.622463][ T7598] dump_stack_lvl+0x97/0xe0 [ 231.622481][ T7598] sysfs_warn_dup.cold+0x1c/0x28 [ 231.622500][ T7598] sysfs_create_dir_ns+0x129/0x140 [ 231.622516][ T7598] kobject_add_internal+0x104/0x310 [ 231.622532][ T7598] kobject_init_and_add+0xb2/0xf0 [ 231.622547][ T7598] ? alloc_workqueue_noprof+0xe0/0xb60 [ 231.622564][ T7598] gfs2_sys_fs_add+0xef/0x200 [ 231.622582][ T7598] gfs2_fill_super+0x896/0x1240 [ 231.622594][ T7598] ? sb_set_blocksize+0x8c/0x150 [ 231.622608][ T7598] ? setup_bdev_super+0x19d/0x330 [ 231.622622][ T7598] ? __pfx_gfs2_fill_super+0x10/0x10 [ 231.622642][ T7598] get_tree_bdev_flags+0x1c0/0x290 [ 231.622658][ T7598] gfs2_get_tree+0x26/0xd0 [ 231.622676][ T7598] vfs_get_tree+0x30/0x120 [ 231.622687][ T7598] path_mount+0x5a9/0x1350 [ 231.622709][ T7598] ? putname+0x78/0xe0 [ 231.622727][ T7598] __x64_sys_mount+0x1a3/0x1e0 [ 231.622746][ T7598] do_syscall_64+0xa4/0xf80 [ 231.622765][ T7598] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 231.622778][ T7598] RIP: 0033:0x7efd4579c14a [ 231.622788][ T7598] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 231.622800][ T7598] RSP: 002b:00007efd46630e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 231.622812][ T7598] RAX: ffffffffffffffda RBX: 00007efd46630ee0 RCX: 00007efd4579c14a [ 231.622821][ T7598] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007efd46630ea0 [ 231.622829][ T7598] RBP: 00002000000124c0 R08: 00007efd46630ee0 R09: 0000000000000000 [ 231.622836][ T7598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 231.622844][ T7598] R13: 00007efd46630ea0 R14: 0000000000012588 R15: 0000200000000000 [ 231.622853][ T7598] [ 231.622861][ T7598] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.625560][ T7591] CPU: 0 UID: 0 PID: 7591 Comm: syz.5.177 Not tainted syzkaller #0 PREEMPT(full) [ 231.625589][ T7591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 231.625602][ T7591] Call Trace: [ 231.625607][ T7591] [ 231.625613][ T7591] dump_stack_lvl+0x97/0xe0 [ 231.625640][ T7591] sysfs_warn_dup.cold+0x1c/0x28 [ 231.625674][ T7591] sysfs_create_dir_ns+0x129/0x140 [ 231.625712][ T7591] kobject_add_internal+0x104/0x310 [ 231.625740][ T7591] kobject_init_and_add+0xb2/0xf0 [ 231.625769][ T7591] ? alloc_workqueue_noprof+0xe0/0xb60 [ 231.625804][ T7591] gfs2_sys_fs_add+0xef/0x200 [ 231.625836][ T7591] gfs2_fill_super+0x896/0x1240 [ 231.625858][ T7591] ? sb_set_blocksize+0x8c/0x150 [ 231.625884][ T7591] ? setup_bdev_super+0x19d/0x330 [ 231.625908][ T7591] ? __pfx_gfs2_fill_super+0x10/0x10 [ 231.625944][ T7591] get_tree_bdev_flags+0x1c0/0x290 [ 231.625973][ T7591] gfs2_get_tree+0x26/0xd0 [ 231.626006][ T7591] vfs_get_tree+0x30/0x120 [ 231.626027][ T7591] path_mount+0x5a9/0x1350 [ 231.626061][ T7591] ? putname+0x78/0xe0 [ 231.626094][ T7591] __x64_sys_mount+0x1a3/0x1e0 [ 231.626127][ T7591] do_syscall_64+0xa4/0xf80 [ 231.626163][ T7591] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 231.626186][ T7591] RIP: 0033:0x7f98e9f9c14a [ 231.626202][ T7591] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 231.626225][ T7591] RSP: 002b:00007f98eae88e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 231.626246][ T7591] RAX: ffffffffffffffda RBX: 00007f98eae88ee0 RCX: 00007f98e9f9c14a [ 231.626261][ T7591] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f98eae88ea0 [ 231.626275][ T7591] RBP: 00002000000124c0 R08: 00007f98eae88ee0 R09: 0000000000000000 [ 231.626289][ T7591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 231.626303][ T7591] R13: 00007f98eae88ea0 R14: 0000000000012588 R15: 0000200000000000 [ 231.626320][ T7591] [ 231.626330][ T7591] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.634519][ T7598] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.672867][ T7591] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.685649][ T7587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.734514][ T7592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.737914][ T7587] CPU: 1 UID: 0 PID: 7587 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) [ 231.737941][ T7587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 231.737954][ T7587] Call Trace: [ 231.737960][ T7587] [ 231.737967][ T7587] dump_stack_lvl+0x97/0xe0 [ 231.737995][ T7587] sysfs_warn_dup.cold+0x1c/0x28 [ 231.738027][ T7587] sysfs_create_dir_ns+0x129/0x140 [ 231.738055][ T7587] kobject_add_internal+0x104/0x310 [ 231.738083][ T7587] kobject_init_and_add+0xb2/0xf0 [ 231.738110][ T7587] ? alloc_workqueue_noprof+0xe0/0xb60 [ 231.738139][ T7587] gfs2_sys_fs_add+0xef/0x200 [ 231.738170][ T7587] gfs2_fill_super+0x896/0x1240 [ 231.738191][ T7587] ? sb_set_blocksize+0x8c/0x150 [ 231.738217][ T7587] ? setup_bdev_super+0x19d/0x330 [ 231.738240][ T7587] ? __pfx_gfs2_fill_super+0x10/0x10 [ 231.738276][ T7587] get_tree_bdev_flags+0x1c0/0x290 [ 231.738304][ T7587] gfs2_get_tree+0x26/0xd0 [ 231.738336][ T7587] vfs_get_tree+0x30/0x120 [ 231.738356][ T7587] path_mount+0x5a9/0x1350 [ 231.738390][ T7587] ? putname+0x78/0xe0 [ 231.738421][ T7587] __x64_sys_mount+0x1a3/0x1e0 [ 231.738454][ T7587] do_syscall_64+0xa4/0xf80 [ 231.738490][ T7587] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 231.738512][ T7587] RIP: 0033:0x7f36e119c14a [ 231.738528][ T7587] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 231.738550][ T7587] RSP: 002b:00007f36e1ffce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 231.738569][ T7587] RAX: ffffffffffffffda RBX: 00007f36e1ffcee0 RCX: 00007f36e119c14a [ 231.738584][ T7587] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f36e1ffcea0 [ 231.738598][ T7587] RBP: 00002000000124c0 R08: 00007f36e1ffcee0 R09: 0000000000000000 [ 231.738612][ T7587] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 231.738625][ T7587] R13: 00007f36e1ffcea0 R14: 0000000000012588 R15: 0000200000000000 [ 231.738642][ T7587] [ 231.738653][ T7587] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.744285][ T7592] CPU: 0 UID: 0 PID: 7592 Comm: syz.4.178 Not tainted syzkaller #0 PREEMPT(full) [ 231.744311][ T7592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 231.744326][ T7592] Call Trace: [ 231.744332][ T7592] [ 231.744339][ T7592] dump_stack_lvl+0x97/0xe0 [ 231.744364][ T7592] sysfs_warn_dup.cold+0x1c/0x28 [ 231.744396][ T7592] sysfs_create_dir_ns+0x129/0x140 [ 231.744430][ T7592] kobject_add_internal+0x104/0x310 [ 231.744456][ T7592] kobject_init_and_add+0xb2/0xf0 [ 231.744482][ T7592] ? alloc_workqueue_noprof+0xe0/0xb60 [ 231.744510][ T7592] gfs2_sys_fs_add+0xef/0x200 [ 231.744540][ T7592] gfs2_fill_super+0x896/0x1240 [ 231.744560][ T7592] ? sb_set_blocksize+0x8c/0x150 [ 231.744585][ T7592] ? setup_bdev_super+0x19d/0x330 [ 231.744607][ T7592] ? __pfx_gfs2_fill_super+0x10/0x10 [ 231.744641][ T7592] get_tree_bdev_flags+0x1c0/0x290 [ 231.744668][ T7592] gfs2_get_tree+0x26/0xd0 [ 231.744699][ T7592] vfs_get_tree+0x30/0x120 [ 231.744719][ T7592] path_mount+0x5a9/0x1350 [ 231.744751][ T7592] ? putname+0x78/0xe0 [ 231.744782][ T7592] __x64_sys_mount+0x1a3/0x1e0 [ 231.744815][ T7592] do_syscall_64+0xa4/0xf80 [ 231.744849][ T7592] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 231.744871][ T7592] RIP: 0033:0x7f1b9639c14a [ 231.744887][ T7592] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 231.744908][ T7592] RSP: 002b:00007f1b959fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 231.744927][ T7592] RAX: ffffffffffffffda RBX: 00007f1b959fdee0 RCX: 00007f1b9639c14a [ 231.744942][ T7592] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f1b959fdea0 [ 231.744956][ T7592] RBP: 00002000000124c0 R08: 00007f1b959fdee0 R09: 0000000000000000 [ 231.744969][ T7592] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 231.744983][ T7592] R13: 00007f1b959fdea0 R14: 0000000000012588 R15: 0000200000000000 [ 231.744999][ T7592] [ 231.747248][ T7592] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.748239][ T6349] syz-executor: attempt to access beyond end of device [ 231.748239][ T6349] loop6: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768 [ 231.769545][ T7592] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.777059][ T7587] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 231.794586][ T6349] Buffer I/O error on dev loop6, logical block 8589934885, lost async page write [ 231.814572][ T7594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.818276][ T7597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 231.819436][ T7594] CPU: 1 UID: 0 PID: 7594 Comm: syz.3.180 Not tainted syzkaller #0 PREEMPT(full) [ 231.819463][ T7594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 231.819477][ T7594] Call Trace: [ 231.819483][ T7594] [ 231.819490][ T7594] dump_stack_lvl+0x97/0xe0 [ 231.819519][ T7594] sysfs_warn_dup.cold+0x1c/0x28 [ 231.819553][ T7594] sysfs_create_dir_ns+0x129/0x140 [ 231.819581][ T7594] kobject_add_internal+0x104/0x310 [ 231.819608][ T7594] kobject_init_and_add+0xb2/0xf0 [ 231.819636][ T7594] ? alloc_workqueue_noprof+0xe0/0xb60 [ 231.819665][ T7594] gfs2_sys_fs_add+0xef/0x200 [ 231.819697][ T7594] gfs2_fill_super+0x896/0x1240 [ 231.819718][ T7594] ? sb_set_blocksize+0x8c/0x150 [ 231.819754][ T7594] ? setup_bdev_super+0x19d/0x330 [ 231.819778][ T7594] ? __pfx_gfs2_fill_super+0x10/0x10 [ 231.819814][ T7594] get_tree_bdev_flags+0x1c0/0x290 [ 231.819843][ T7594] gfs2_get_tree+0x26/0xd0 [ 231.819875][ T7594] vfs_get_tree+0x30/0x120 [ 231.819896][ T7594] path_mount+0x5a9/0x1350 [ 231.819930][ T7594] ? putname+0x78/0xe0 [ 231.819962][ T7594] __x64_sys_mount+0x1a3/0x1e0 [ 231.819996][ T7594] do_syscall_64+0xa4/0xf80 [ 231.820031][ T7594] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 231.820054][ T7594] RIP: 0033:0x7f980959c14a [ 231.820071][ T7594] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 231.820092][ T7594] RSP: 002b:00007f980a514e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 231.820112][ T7594] RAX: ffffffffffffffda RBX: 00007f980a514ee0 RCX: 00007f980959c14a [ 231.820127][ T7594] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f980a514ea0 [ 231.820142][ T7594] RBP: 00002000000124c0 R08: 00007f980a514ee0 R09: 0000000000000000 [ 231.820155][ T7594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 231.820169][ T7594] R13: 00007f980a514ea0 R14: 0000000000012588 R15: 0000200000000000 [ 231.820187][ T7594] [ 231.820197][ T7594] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.910294][ T6349] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116 [ 231.917220][ T7597] CPU: 1 UID: 0 PID: 7597 Comm: syz.2.179 Not tainted syzkaller #0 PREEMPT(full) [ 231.917249][ T7597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 231.917262][ T7597] Call Trace: [ 231.917268][ T7597] [ 231.917274][ T7597] dump_stack_lvl+0x97/0xe0 [ 231.917304][ T7597] sysfs_warn_dup.cold+0x1c/0x28 [ 231.917337][ T7597] sysfs_create_dir_ns+0x129/0x140 [ 231.917366][ T7597] kobject_add_internal+0x104/0x310 [ 231.917407][ T7597] kobject_init_and_add+0xb2/0xf0 [ 231.917435][ T7597] ? alloc_workqueue_noprof+0xe0/0xb60 [ 231.917463][ T7597] gfs2_sys_fs_add+0xef/0x200 [ 231.917495][ T7597] gfs2_fill_super+0x896/0x1240 [ 231.917516][ T7597] ? sb_set_blocksize+0x8c/0x150 [ 231.917542][ T7597] ? setup_bdev_super+0x19d/0x330 [ 231.917565][ T7597] ? __pfx_gfs2_fill_super+0x10/0x10 [ 231.917596][ T7597] get_tree_bdev_flags+0x1c0/0x290 [ 231.917612][ T7597] gfs2_get_tree+0x26/0xd0 [ 231.917631][ T7597] vfs_get_tree+0x30/0x120 [ 231.917646][ T7597] path_mount+0x5a9/0x1350 [ 231.917679][ T7597] ? putname+0x78/0xe0 [ 231.917711][ T7597] __x64_sys_mount+0x1a3/0x1e0 [ 231.917750][ T7597] do_syscall_64+0xa4/0xf80 [ 231.917784][ T7597] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 231.917807][ T7597] RIP: 0033:0x7f45e619c14a [ 231.917823][ T7597] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 231.917844][ T7597] RSP: 002b:00007f45e7075e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 231.917864][ T7597] RAX: ffffffffffffffda RBX: 00007f45e7075ee0 RCX: 00007f45e619c14a [ 231.917879][ T7597] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f45e7075ea0 [ 231.917894][ T7597] RBP: 00002000000124c0 R08: 00007f45e7075ee0 R09: 0000000000000000 [ 231.917907][ T7597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 231.917921][ T7597] R13: 00007f45e7075ea0 R14: 0000000000012588 R15: 0000200000000000 [ 231.917938][ T7597] [ 231.917949][ T7597] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 231.919589][ T6349] CPU: 0 UID: 0 PID: 6349 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 231.919614][ T6349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 231.919626][ T6349] Call Trace: [ 231.919632][ T6349] [ 231.919639][ T6349] dump_stack_lvl+0x97/0xe0 [ 231.919664][ T6349] gfs2_withdraw.cold+0xa/0x77 [ 231.919685][ T6349] gfs2_io_error_bh_i.cold+0x2d/0x32 [ 231.919707][ T6349] gfs2_ail1_flush+0x497/0x7e0 [ 231.919743][ T6349] gfs2_ail1_start+0x4f/0x80 [ 231.919781][ T6349] gfs2_log_flush+0xf9a/0x1170 [ 231.919804][ T6349] gfs2_kill_sb+0x3e/0x1e0 [ 231.919836][ T6349] deactivate_locked_super+0x4f/0x120 [ 231.919862][ T6349] deactivate_super+0xa4/0xc0 [ 231.919886][ T6349] cleanup_mnt+0x145/0x1f0 [ 231.919912][ T6349] task_work_run+0x95/0xf0 [ 231.919943][ T6349] exit_to_user_mode_loop+0xcf/0x440 [ 231.919969][ T6349] do_syscall_64+0x2b8/0xf80 [ 231.920001][ T6349] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 231.920026][ T6349] RIP: 0033:0x7f882819c117 [ 231.920041][ T6349] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 231.920063][ T6349] RSP: 002b:00007fff9ff63598 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 231.920081][ T6349] RAX: 0000000000000000 RBX: 00007f882820471f RCX: 00007f882819c117 [ 231.920094][ T6349] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9ff63650 [ 231.920107][ T6349] RBP: 00007fff9ff63650 R08: 00007fff9ff64650 R09: 00000000ffffffff [ 231.920121][ T6349] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9ff646e0 [ 231.920134][ T6349] R13: 00007f882820471f R14: 000000000003890a R15: 00007fff9ff64720 [ 231.920151][ T6349] [ 231.920184][ T6349] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 231.923985][ T7597] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 232.001326][ T7594] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 237.035441][ T6595] gfs2: fsid=syz:syz.0: file system withdrawn [ 237.119458][ T7616] set_capacity_and_notify: 3 callbacks suppressed [ 237.119467][ T7616] loop6: detected capacity change from 0 to 32768 [ 237.133530][ T7616] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 237.141911][ T7616] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 237.150759][ T7616] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms [ 237.158723][ T6537] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 237.166070][ T6537] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 237.177474][ T6537] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 11ms [ 237.185277][ T6537] gfs2: fsid=syz:syz.0: jid=0: Done [ 237.190672][ T7616] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 237.216119][ T7616] gfs2: fsid=syz:syz.0: found 1 quota changes [ 237.225062][ T6349] syz-executor: attempt to access beyond end of device [ 237.225062][ T6349] loop6: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768 [ 237.239792][ T6349] Buffer I/O error on dev loop6, logical block 8589934885, lost async page write [ 237.249192][ T6349] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116 [ 237.262509][ T6349] CPU: 1 UID: 0 PID: 6349 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 237.262526][ T6349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 237.262534][ T6349] Call Trace: [ 237.262539][ T6349] [ 237.262545][ T6349] dump_stack_lvl+0x97/0xe0 [ 237.262563][ T6349] gfs2_withdraw.cold+0xa/0x77 [ 237.262575][ T6349] gfs2_io_error_bh_i.cold+0x2d/0x32 [ 237.262587][ T6349] gfs2_ail1_flush+0x497/0x7e0 [ 237.262610][ T6349] gfs2_ail1_start+0x4f/0x80 [ 237.262632][ T6349] gfs2_log_flush+0xf9a/0x1170 [ 237.262645][ T6349] gfs2_kill_sb+0x3e/0x1e0 [ 237.262663][ T6349] deactivate_locked_super+0x4f/0x120 [ 237.262679][ T6349] deactivate_super+0xa4/0xc0 [ 237.262692][ T6349] cleanup_mnt+0x145/0x1f0 [ 237.262707][ T6349] task_work_run+0x95/0xf0 [ 237.262725][ T6349] exit_to_user_mode_loop+0xcf/0x440 [ 237.262742][ T6349] do_syscall_64+0x2b8/0xf80 [ 237.262763][ T6349] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 237.262776][ T6349] RIP: 0033:0x7f882819c117 [ 237.262786][ T6349] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 237.262798][ T6349] RSP: 002b:00007fff9ff63598 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 237.262810][ T6349] RAX: 0000000000000000 RBX: 00007f882820471f RCX: 00007f882819c117 [ 237.262818][ T6349] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9ff63650 [ 237.262825][ T6349] RBP: 00007fff9ff63650 R08: 00007fff9ff64650 R09: 00000000ffffffff [ 237.262833][ T6349] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9ff646e0 [ 237.262841][ T6349] R13: 00007f882820471f R14: 0000000000039df5 R15: 00007fff9ff64720 [ 237.262850][ T6349] [ 237.262854][ T6349] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 242.475420][ T6352] gfs2: fsid=syz:syz.0: file system withdrawn 2026/01/31 05:16:14 executed programs: 180 [ 244.931278][ T7630] loop6: detected capacity change from 0 to 32768 [ 244.942065][ T7628] loop3: detected capacity change from 0 to 32768 [ 244.974957][ T7630] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 244.993753][ T7630] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 245.014665][ T7628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.022283][ T7628] CPU: 1 UID: 0 PID: 7628 Comm: syz.3.186 Not tainted syzkaller #0 PREEMPT(full) [ 245.022311][ T7628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 245.022324][ T7628] Call Trace: [ 245.022330][ T7628] [ 245.022337][ T7628] dump_stack_lvl+0x97/0xe0 [ 245.022366][ T7628] sysfs_warn_dup.cold+0x1c/0x28 [ 245.022401][ T7628] sysfs_create_dir_ns+0x129/0x140 [ 245.022429][ T7628] kobject_add_internal+0x104/0x310 [ 245.022456][ T7628] kobject_init_and_add+0xb2/0xf0 [ 245.022483][ T7628] ? alloc_workqueue_noprof+0xe0/0xb60 [ 245.022512][ T7628] gfs2_sys_fs_add+0xef/0x200 [ 245.022545][ T7628] gfs2_fill_super+0x896/0x1240 [ 245.022566][ T7628] ? sb_set_blocksize+0x8c/0x150 [ 245.022592][ T7628] ? setup_bdev_super+0x19d/0x330 [ 245.022616][ T7628] ? __pfx_gfs2_fill_super+0x10/0x10 [ 245.022653][ T7628] get_tree_bdev_flags+0x1c0/0x290 [ 245.022681][ T7628] gfs2_get_tree+0x26/0xd0 [ 245.022723][ T7628] vfs_get_tree+0x30/0x120 [ 245.022743][ T7628] path_mount+0x5a9/0x1350 [ 245.022776][ T7628] ? putname+0x78/0xe0 [ 245.022809][ T7628] __x64_sys_mount+0x1a3/0x1e0 [ 245.022843][ T7628] do_syscall_64+0xa4/0xf80 [ 245.022878][ T7628] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 245.022901][ T7628] RIP: 0033:0x7f980959c14a [ 245.022918][ T7628] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 245.022940][ T7628] RSP: 002b:00007f980a514e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 245.022960][ T7628] RAX: ffffffffffffffda RBX: 00007f980a514ee0 RCX: 00007f980959c14a [ 245.022975][ T7628] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f980a514ea0 [ 245.022989][ T7628] RBP: 00002000000124c0 R08: 00007f980a514ee0 R09: 0000000000000000 [ 245.023004][ T7628] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 245.023017][ T7628] R13: 00007f980a514ea0 R14: 0000000000012588 R15: 0000200000000000 [ 245.023035][ T7628] [ 245.023048][ T7628] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.082387][ T7633] loop4: detected capacity change from 0 to 32768 [ 245.112854][ T7625] loop1: detected capacity change from 0 to 32768 [ 245.129798][ T7634] loop0: detected capacity change from 0 to 32768 [ 245.180340][ T7629] loop5: detected capacity change from 0 to 32768 [ 245.206577][ T7635] loop2: detected capacity change from 0 to 32768 [ 245.270369][ T7630] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms [ 245.279476][ T7633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.287441][ T6352] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 245.290098][ T7628] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.294596][ T6352] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 245.304416][ T7633] CPU: 0 UID: 0 PID: 7633 Comm: syz.4.187 Not tainted syzkaller #0 PREEMPT(full) [ 245.304446][ T7633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 245.304459][ T7633] Call Trace: [ 245.304465][ T7633] [ 245.304472][ T7633] dump_stack_lvl+0x97/0xe0 [ 245.304501][ T7633] sysfs_warn_dup.cold+0x1c/0x28 [ 245.304533][ T7633] sysfs_create_dir_ns+0x129/0x140 [ 245.304562][ T7633] kobject_add_internal+0x104/0x310 [ 245.304589][ T7633] kobject_init_and_add+0xb2/0xf0 [ 245.304616][ T7633] ? alloc_workqueue_noprof+0xe0/0xb60 [ 245.304644][ T7633] gfs2_sys_fs_add+0xef/0x200 [ 245.304682][ T7633] gfs2_fill_super+0x896/0x1240 [ 245.304704][ T7633] ? sb_set_blocksize+0x8c/0x150 [ 245.304729][ T7633] ? setup_bdev_super+0x19d/0x330 [ 245.304752][ T7633] ? __pfx_gfs2_fill_super+0x10/0x10 [ 245.304787][ T7633] get_tree_bdev_flags+0x1c0/0x290 [ 245.304816][ T7633] gfs2_get_tree+0x26/0xd0 [ 245.304849][ T7633] vfs_get_tree+0x30/0x120 [ 245.304869][ T7633] path_mount+0x5a9/0x1350 [ 245.304902][ T7633] ? putname+0x78/0xe0 [ 245.304934][ T7633] __x64_sys_mount+0x1a3/0x1e0 [ 245.304967][ T7633] do_syscall_64+0xa4/0xf80 [ 245.305001][ T7633] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 245.305024][ T7633] RIP: 0033:0x7f1b9639c14a [ 245.305040][ T7633] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 245.305062][ T7633] RSP: 002b:00007f1b959fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 245.305082][ T7633] RAX: ffffffffffffffda RBX: 00007f1b959fdee0 RCX: 00007f1b9639c14a [ 245.305097][ T7633] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f1b959fdea0 [ 245.305110][ T7633] RBP: 00002000000124c0 R08: 00007f1b959fdee0 R09: 0000000000000000 [ 245.305124][ T7633] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 245.305138][ T7633] R13: 00007f1b959fdea0 R14: 0000000000012588 R15: 0000200000000000 [ 245.305155][ T7633] [ 245.305167][ T7633] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.346462][ T7625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.347988][ T7633] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.353347][ T7625] CPU: 1 UID: 0 PID: 7625 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) [ 245.353373][ T7625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 245.353386][ T7625] Call Trace: [ 245.353392][ T7625] [ 245.353398][ T7625] dump_stack_lvl+0x97/0xe0 [ 245.353518][ T7625] sysfs_warn_dup.cold+0x1c/0x28 [ 245.353550][ T7625] sysfs_create_dir_ns+0x129/0x140 [ 245.353578][ T7625] kobject_add_internal+0x104/0x310 [ 245.353604][ T7625] kobject_init_and_add+0xb2/0xf0 [ 245.353631][ T7625] ? alloc_workqueue_noprof+0xe0/0xb60 [ 245.353658][ T7625] gfs2_sys_fs_add+0xef/0x200 [ 245.353689][ T7625] gfs2_fill_super+0x896/0x1240 [ 245.353710][ T7625] ? sb_set_blocksize+0x8c/0x150 [ 245.353735][ T7625] ? setup_bdev_super+0x19d/0x330 [ 245.353759][ T7625] ? __pfx_gfs2_fill_super+0x10/0x10 [ 245.353793][ T7625] get_tree_bdev_flags+0x1c0/0x290 [ 245.353820][ T7625] gfs2_get_tree+0x26/0xd0 [ 245.353852][ T7625] vfs_get_tree+0x30/0x120 [ 245.353872][ T7625] path_mount+0x5a9/0x1350 [ 245.353905][ T7625] ? putname+0x78/0xe0 [ 245.353935][ T7625] __x64_sys_mount+0x1a3/0x1e0 [ 245.353978][ T7625] do_syscall_64+0xa4/0xf80 [ 245.354012][ T7625] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 245.354035][ T7625] RIP: 0033:0x7f36e119c14a [ 245.354051][ T7625] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 245.354072][ T7625] RSP: 002b:00007f36e1ffce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 245.354092][ T7625] RAX: ffffffffffffffda RBX: 00007f36e1ffcee0 RCX: 00007f36e119c14a [ 245.354106][ T7625] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f36e1ffcea0 [ 245.354120][ T7625] RBP: 00002000000124c0 R08: 00007f36e1ffcee0 R09: 0000000000000000 [ 245.354134][ T7625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 245.354147][ T7625] R13: 00007f36e1ffcea0 R14: 0000000000012588 R15: 0000200000000000 [ 245.354163][ T7625] [ 245.354173][ T7625] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.415094][ T7634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.418750][ T6352] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 124ms [ 245.421282][ T7634] CPU: 0 UID: 0 PID: 7634 Comm: syz.0.183 Not tainted syzkaller #0 PREEMPT(full) [ 245.421308][ T7634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 245.421322][ T7634] Call Trace: [ 245.421331][ T7634] [ 245.421338][ T7634] dump_stack_lvl+0x97/0xe0 [ 245.421368][ T7634] sysfs_warn_dup.cold+0x1c/0x28 [ 245.421400][ T7634] sysfs_create_dir_ns+0x129/0x140 [ 245.421429][ T7634] kobject_add_internal+0x104/0x310 [ 245.421456][ T7634] kobject_init_and_add+0xb2/0xf0 [ 245.421484][ T7634] ? alloc_workqueue_noprof+0xe0/0xb60 [ 245.421513][ T7634] gfs2_sys_fs_add+0xef/0x200 [ 245.421545][ T7634] gfs2_fill_super+0x896/0x1240 [ 245.421565][ T7634] ? sb_set_blocksize+0x8c/0x150 [ 245.421591][ T7634] ? setup_bdev_super+0x19d/0x330 [ 245.421614][ T7634] ? __pfx_gfs2_fill_super+0x10/0x10 [ 245.421649][ T7634] get_tree_bdev_flags+0x1c0/0x290 [ 245.421677][ T7634] gfs2_get_tree+0x26/0xd0 [ 245.421717][ T7634] vfs_get_tree+0x30/0x120 [ 245.421738][ T7634] path_mount+0x5a9/0x1350 [ 245.421771][ T7634] ? putname+0x78/0xe0 [ 245.421802][ T7634] __x64_sys_mount+0x1a3/0x1e0 [ 245.421836][ T7634] do_syscall_64+0xa4/0xf80 [ 245.421871][ T7634] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 245.421894][ T7634] RIP: 0033:0x7efd4579c14a [ 245.421911][ T7634] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 245.421932][ T7634] RSP: 002b:00007efd46630e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 245.421951][ T7634] RAX: ffffffffffffffda RBX: 00007efd46630ee0 RCX: 00007efd4579c14a [ 245.421966][ T7634] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007efd46630ea0 [ 245.421980][ T7634] RBP: 00002000000124c0 R08: 00007efd46630ee0 R09: 0000000000000000 [ 245.421994][ T7634] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 245.422007][ T7634] R13: 00007efd46630ea0 R14: 0000000000012588 R15: 0000200000000000 [ 245.422024][ T7634] [ 245.422038][ T7634] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.427606][ T6352] gfs2: fsid=syz:syz.0: jid=0: Done [ 245.432031][ T7634] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.454530][ T7625] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.471376][ T7635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.477924][ T7630] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 245.486873][ T7635] CPU: 0 UID: 0 PID: 7635 Comm: syz.2.185 Not tainted syzkaller #0 PREEMPT(full) [ 245.486899][ T7635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 245.486911][ T7635] Call Trace: [ 245.486917][ T7635] [ 245.486924][ T7635] dump_stack_lvl+0x97/0xe0 [ 245.486952][ T7635] sysfs_warn_dup.cold+0x1c/0x28 [ 245.486986][ T7635] sysfs_create_dir_ns+0x129/0x140 [ 245.487014][ T7635] kobject_add_internal+0x104/0x310 [ 245.487042][ T7635] kobject_init_and_add+0xb2/0xf0 [ 245.487070][ T7635] ? alloc_workqueue_noprof+0xe0/0xb60 [ 245.487099][ T7635] gfs2_sys_fs_add+0xef/0x200 [ 245.487131][ T7635] gfs2_fill_super+0x896/0x1240 [ 245.487152][ T7635] ? sb_set_blocksize+0x8c/0x150 [ 245.487178][ T7635] ? setup_bdev_super+0x19d/0x330 [ 245.487201][ T7635] ? __pfx_gfs2_fill_super+0x10/0x10 [ 245.487238][ T7635] get_tree_bdev_flags+0x1c0/0x290 [ 245.487266][ T7635] gfs2_get_tree+0x26/0xd0 [ 245.487298][ T7635] vfs_get_tree+0x30/0x120 [ 245.487320][ T7635] path_mount+0x5a9/0x1350 [ 245.487353][ T7635] ? putname+0x78/0xe0 [ 245.487386][ T7635] __x64_sys_mount+0x1a3/0x1e0 [ 245.487420][ T7635] do_syscall_64+0xa4/0xf80 [ 245.487454][ T7635] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 245.487477][ T7635] RIP: 0033:0x7f45e619c14a [ 245.487493][ T7635] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 245.487515][ T7635] RSP: 002b:00007f45e7075e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 245.487535][ T7635] RAX: ffffffffffffffda RBX: 00007f45e7075ee0 RCX: 00007f45e619c14a [ 245.487550][ T7635] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f45e7075ea0 [ 245.487564][ T7635] RBP: 00002000000124c0 R08: 00007f45e7075ee0 R09: 0000000000000000 [ 245.487578][ T7635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 245.487592][ T7635] R13: 00007f45e7075ea0 R14: 0000000000012588 R15: 0000200000000000 [ 245.487610][ T7635] [ 245.487619][ T7635] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.501238][ T7629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 245.504391][ T7635] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 245.614477][ T7629] CPU: 0 UID: 0 PID: 7629 Comm: syz.5.188 Not tainted syzkaller #0 PREEMPT(full) [ 245.614504][ T7629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 245.614517][ T7629] Call Trace: [ 245.614523][ T7629] [ 245.614530][ T7629] dump_stack_lvl+0x97/0xe0 [ 245.614559][ T7629] sysfs_warn_dup.cold+0x1c/0x28 [ 245.614592][ T7629] sysfs_create_dir_ns+0x129/0x140 [ 245.614621][ T7629] kobject_add_internal+0x104/0x310 [ 245.614649][ T7629] kobject_init_and_add+0xb2/0xf0 [ 245.614677][ T7629] ? alloc_workqueue_noprof+0xe0/0xb60 [ 245.614706][ T7629] gfs2_sys_fs_add+0xef/0x200 [ 245.614738][ T7629] gfs2_fill_super+0x896/0x1240 [ 245.614759][ T7629] ? sb_set_blocksize+0x8c/0x150 [ 245.614785][ T7629] ? setup_bdev_super+0x19d/0x330 [ 245.614808][ T7629] ? __pfx_gfs2_fill_super+0x10/0x10 [ 245.614844][ T7629] get_tree_bdev_flags+0x1c0/0x290 [ 245.614872][ T7629] gfs2_get_tree+0x26/0xd0 [ 245.614905][ T7629] vfs_get_tree+0x30/0x120 [ 245.614926][ T7629] path_mount+0x5a9/0x1350 [ 245.614959][ T7629] ? putname+0x78/0xe0 [ 245.614990][ T7629] __x64_sys_mount+0x1a3/0x1e0 [ 245.615028][ T7629] do_syscall_64+0xa4/0xf80 [ 245.615061][ T7629] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 245.615083][ T7629] RIP: 0033:0x7f98e9f9c14a [ 245.615100][ T7629] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 245.615120][ T7629] RSP: 002b:00007f98eae88e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 245.615140][ T7629] RAX: ffffffffffffffda RBX: 00007f98eae88ee0 RCX: 00007f98e9f9c14a [ 245.615154][ T7629] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f98eae88ea0 [ 245.615168][ T7629] RBP: 00002000000124c0 R08: 00007f98eae88ee0 R09: 0000000000000000 [ 245.615181][ T7629] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 245.615195][ T7629] R13: 00007f98eae88ea0 R14: 0000000000012588 R15: 0000200000000000 [ 245.615211][ T7629] [ 245.615232][ T7629] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 245.795231][ T7630] gfs2: fsid=syz:syz.0: found 1 quota changes [ 245.916379][ T7657] loop2: detected capacity change from 0 to 32768 [ 245.994436][ T7653] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 398 [ 246.100188][ T7655] loop4: detected capacity change from 0 to 32768 [ 246.103755][ T7629] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.276323][ T7661] loop0: detected capacity change from 0 to 32768 [ 246.387653][ T7653] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 246.394441][ T7655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.420217][ T7653] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:7653 [gfs2_quotad/syz] gfs2_quota_sync+0x1da/0x330 [ 246.431235][ T7655] CPU: 0 UID: 0 PID: 7655 Comm: syz.4.190 Not tainted syzkaller #0 PREEMPT(full) [ 246.431265][ T7655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 246.431278][ T7655] Call Trace: [ 246.431284][ T7655] [ 246.431290][ T7655] dump_stack_lvl+0x97/0xe0 [ 246.431319][ T7655] sysfs_warn_dup.cold+0x1c/0x28 [ 246.431361][ T7655] sysfs_create_dir_ns+0x129/0x140 [ 246.431389][ T7655] kobject_add_internal+0x104/0x310 [ 246.431417][ T7655] kobject_init_and_add+0xb2/0xf0 [ 246.431443][ T7655] ? alloc_workqueue_noprof+0xe0/0xb60 [ 246.431472][ T7655] gfs2_sys_fs_add+0xef/0x200 [ 246.431502][ T7655] gfs2_fill_super+0x896/0x1240 [ 246.431523][ T7655] ? sb_set_blocksize+0x8c/0x150 [ 246.431548][ T7655] ? setup_bdev_super+0x19d/0x330 [ 246.431571][ T7655] ? __pfx_gfs2_fill_super+0x10/0x10 [ 246.431604][ T7655] get_tree_bdev_flags+0x1c0/0x290 [ 246.431633][ T7655] gfs2_get_tree+0x26/0xd0 [ 246.431665][ T7655] vfs_get_tree+0x30/0x120 [ 246.431685][ T7655] path_mount+0x5a9/0x1350 [ 246.431718][ T7655] ? putname+0x78/0xe0 [ 246.431749][ T7655] __x64_sys_mount+0x1a3/0x1e0 [ 246.431782][ T7655] do_syscall_64+0xa4/0xf80 [ 246.431815][ T7655] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 246.431837][ T7655] RIP: 0033:0x7f1b9639c14a [ 246.431854][ T7655] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 246.431874][ T7655] RSP: 002b:00007f1b959fde58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.431894][ T7655] RAX: ffffffffffffffda RBX: 00007f1b959fdee0 RCX: 00007f1b9639c14a [ 246.431908][ T7655] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f1b959fdea0 [ 246.431922][ T7655] RBP: 00002000000124c0 R08: 00007f1b959fdee0 R09: 0000000000000000 [ 246.431936][ T7655] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 246.431950][ T7655] R13: 00007f1b959fdea0 R14: 0000000000012588 R15: 0000200000000000 [ 246.431967][ T7655] [ 246.431976][ T7655] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.444585][ T7657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.458615][ T7655] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.469300][ T7659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.494773][ T7653] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 246.504039][ T7657] CPU: 1 UID: 0 PID: 7657 Comm: syz.2.191 Not tainted syzkaller #0 PREEMPT(full) [ 246.504067][ T7657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 246.504080][ T7657] Call Trace: [ 246.504086][ T7657] [ 246.504093][ T7657] dump_stack_lvl+0x97/0xe0 [ 246.504121][ T7657] sysfs_warn_dup.cold+0x1c/0x28 [ 246.504155][ T7657] sysfs_create_dir_ns+0x129/0x140 [ 246.504183][ T7657] kobject_add_internal+0x104/0x310 [ 246.504210][ T7657] kobject_init_and_add+0xb2/0xf0 [ 246.504237][ T7657] ? alloc_workqueue_noprof+0xe0/0xb60 [ 246.504267][ T7657] gfs2_sys_fs_add+0xef/0x200 [ 246.504298][ T7657] gfs2_fill_super+0x896/0x1240 [ 246.504318][ T7657] ? sb_set_blocksize+0x8c/0x150 [ 246.504348][ T7657] ? setup_bdev_super+0x19d/0x330 [ 246.504371][ T7657] ? __pfx_gfs2_fill_super+0x10/0x10 [ 246.504406][ T7657] get_tree_bdev_flags+0x1c0/0x290 [ 246.504434][ T7657] gfs2_get_tree+0x26/0xd0 [ 246.504466][ T7657] vfs_get_tree+0x30/0x120 [ 246.504485][ T7657] path_mount+0x5a9/0x1350 [ 246.504518][ T7657] ? putname+0x78/0xe0 [ 246.504549][ T7657] __x64_sys_mount+0x1a3/0x1e0 [ 246.504582][ T7657] do_syscall_64+0xa4/0xf80 [ 246.504622][ T7657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 246.504645][ T7657] RIP: 0033:0x7f45e619c14a [ 246.504661][ T7657] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 246.504681][ T7657] RSP: 002b:00007f45e7075e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.504701][ T7657] RAX: ffffffffffffffda RBX: 00007f45e7075ee0 RCX: 00007f45e619c14a [ 246.504716][ T7657] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f45e7075ea0 [ 246.504730][ T7657] RBP: 00002000000124c0 R08: 00007f45e7075ee0 R09: 0000000000000000 [ 246.504743][ T7657] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 246.504757][ T7657] R13: 00007f45e7075ea0 R14: 0000000000012588 R15: 0000200000000000 [ 246.504774][ T7657] [ 246.504804][ T7657] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.512862][ T6349] syz-executor: attempt to access beyond end of device [ 246.512862][ T6349] loop6: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768 [ 246.521209][ T7657] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.530982][ T7659] CPU: 0 UID: 0 PID: 7659 Comm: syz.3.194 Not tainted syzkaller #0 PREEMPT(full) [ 246.531010][ T7659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 246.531023][ T7659] Call Trace: [ 246.531029][ T7659] [ 246.531036][ T7659] dump_stack_lvl+0x97/0xe0 [ 246.531064][ T7659] sysfs_warn_dup.cold+0x1c/0x28 [ 246.531097][ T7659] sysfs_create_dir_ns+0x129/0x140 [ 246.531127][ T7659] kobject_add_internal+0x104/0x310 [ 246.531155][ T7659] kobject_init_and_add+0xb2/0xf0 [ 246.531183][ T7659] ? alloc_workqueue_noprof+0xe0/0xb60 [ 246.531213][ T7659] gfs2_sys_fs_add+0xef/0x200 [ 246.531245][ T7659] gfs2_fill_super+0x896/0x1240 [ 246.531267][ T7659] ? sb_set_blocksize+0x8c/0x150 [ 246.531293][ T7659] ? setup_bdev_super+0x19d/0x330 [ 246.531317][ T7659] ? __pfx_gfs2_fill_super+0x10/0x10 [ 246.531353][ T7659] get_tree_bdev_flags+0x1c0/0x290 [ 246.531389][ T7659] gfs2_get_tree+0x26/0xd0 [ 246.531422][ T7659] vfs_get_tree+0x30/0x120 [ 246.531441][ T7659] path_mount+0x5a9/0x1350 [ 246.531474][ T7659] ? putname+0x78/0xe0 [ 246.531505][ T7659] __x64_sys_mount+0x1a3/0x1e0 [ 246.531539][ T7659] do_syscall_64+0xa4/0xf80 [ 246.531574][ T7659] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 246.531596][ T7659] RIP: 0033:0x7f980959c14a [ 246.531612][ T7659] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 246.531634][ T7659] RSP: 002b:00007f980a514e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.531654][ T7659] RAX: ffffffffffffffda RBX: 00007f980a514ee0 RCX: 00007f980959c14a [ 246.531669][ T7659] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f980a514ea0 [ 246.531684][ T7659] RBP: 00002000000124c0 R08: 00007f980a514ee0 R09: 0000000000000000 [ 246.531699][ T7659] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 246.531713][ T7659] R13: 00007f980a514ea0 R14: 0000000000012588 R15: 0000200000000000 [ 246.531730][ T7659] [ 246.531741][ T7659] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.533950][ T7664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.538927][ T7653] CPU: 0 UID: 0 PID: 7653 Comm: gfs2_quotad/syz Not tainted syzkaller #0 PREEMPT(full) [ 246.538953][ T7653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 246.538967][ T7653] Call Trace: [ 246.538972][ T7653] [ 246.538979][ T7653] dump_stack_lvl+0x97/0xe0 [ 246.539005][ T7653] gfs2_withdraw.cold+0xa/0x77 [ 246.539026][ T7653] inode_go_instantiate+0x498/0x560 [ 246.539062][ T7653] gfs2_instantiate+0xa7/0x130 [ 246.539087][ T7653] gfs2_glock_wait+0x100/0x140 [ 246.539115][ T7653] gfs2_glock_nq+0x60e/0x9d0 [ 246.539146][ T7653] ? gfs2_glstats_seq_show+0x50/0x60 [ 246.539169][ T7653] do_sync+0x3d3/0x760 [ 246.539196][ T7653] ? gfs2_quota_sync+0x1da/0x330 [ 246.539223][ T7653] gfs2_quota_sync+0x1da/0x330 [ 246.539251][ T7653] gfs2_quotad+0x32a/0x3a0 [ 246.539279][ T7653] ? __pfx_gfs2_quotad+0x10/0x10 [ 246.539307][ T7653] ? __pfx_gfs2_quotad+0x10/0x10 [ 246.539335][ T7653] kthread+0x161/0x310 [ 246.539367][ T7653] ? __pfx_kthread+0x10/0x10 [ 246.539456][ T7653] ret_from_fork+0x23c/0x320 [ 246.539481][ T7653] ? __pfx_kthread+0x10/0x10 [ 246.539505][ T7653] ret_from_fork_asm+0x1a/0x30 [ 246.539537][ T7653] [ 246.539543][ T7653] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 246.542033][ T7661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 246.547526][ T7659] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.562447][ T6349] Buffer I/O error on dev loop6, logical block 8589934885, lost async page write [ 246.596420][ T7664] CPU: 1 UID: 0 PID: 7664 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full) [ 246.596451][ T7664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 246.596464][ T7664] Call Trace: [ 246.596470][ T7664] [ 246.596477][ T7664] dump_stack_lvl+0x97/0xe0 [ 246.596507][ T7664] sysfs_warn_dup.cold+0x1c/0x28 [ 246.596541][ T7664] sysfs_create_dir_ns+0x129/0x140 [ 246.596571][ T7664] kobject_add_internal+0x104/0x310 [ 246.596599][ T7664] kobject_init_and_add+0xb2/0xf0 [ 246.596627][ T7664] ? alloc_workqueue_noprof+0xe0/0xb60 [ 246.596663][ T7664] gfs2_sys_fs_add+0xef/0x200 [ 246.596695][ T7664] gfs2_fill_super+0x896/0x1240 [ 246.596720][ T7664] ? sb_set_blocksize+0x8c/0x150 [ 246.596746][ T7664] ? setup_bdev_super+0x19d/0x330 [ 246.596770][ T7664] ? __pfx_gfs2_fill_super+0x10/0x10 [ 246.596806][ T7664] get_tree_bdev_flags+0x1c0/0x290 [ 246.596834][ T7664] gfs2_get_tree+0x26/0xd0 [ 246.596868][ T7664] vfs_get_tree+0x30/0x120 [ 246.596889][ T7664] path_mount+0x5a9/0x1350 [ 246.596922][ T7664] ? putname+0x78/0xe0 [ 246.596954][ T7664] __x64_sys_mount+0x1a3/0x1e0 [ 246.596989][ T7664] do_syscall_64+0xa4/0xf80 [ 246.597024][ T7664] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 246.597048][ T7664] RIP: 0033:0x7f36e119c14a [ 246.597064][ T7664] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 246.597086][ T7664] RSP: 002b:00007f36e1ffce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.597107][ T7664] RAX: ffffffffffffffda RBX: 00007f36e1ffcee0 RCX: 00007f36e119c14a [ 246.597122][ T7664] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f36e1ffcea0 [ 246.597137][ T7664] RBP: 00002000000124c0 R08: 00007f36e1ffcee0 R09: 0000000000000000 [ 246.597153][ T7664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 246.597167][ T7664] R13: 00007f36e1ffcea0 R14: 0000000000012588 R15: 0000200000000000 [ 246.597184][ T7664] [ 246.597901][ T7664] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.634464][ T7661] CPU: 0 UID: 0 PID: 7661 Comm: syz.0.192 Not tainted syzkaller #0 PREEMPT(full) [ 246.634493][ T7661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 246.634507][ T7661] Call Trace: [ 246.634516][ T7661] [ 246.634523][ T7661] dump_stack_lvl+0x97/0xe0 [ 246.634551][ T7661] sysfs_warn_dup.cold+0x1c/0x28 [ 246.634585][ T7661] sysfs_create_dir_ns+0x129/0x140 [ 246.634612][ T7661] kobject_add_internal+0x104/0x310 [ 246.634641][ T7661] kobject_init_and_add+0xb2/0xf0 [ 246.634674][ T7661] ? alloc_workqueue_noprof+0xe0/0xb60 [ 246.634703][ T7661] gfs2_sys_fs_add+0xef/0x200 [ 246.634734][ T7661] gfs2_fill_super+0x896/0x1240 [ 246.634754][ T7661] ? sb_set_blocksize+0x8c/0x150 [ 246.634780][ T7661] ? setup_bdev_super+0x19d/0x330 [ 246.634803][ T7661] ? __pfx_gfs2_fill_super+0x10/0x10 [ 246.634839][ T7661] get_tree_bdev_flags+0x1c0/0x290 [ 246.634866][ T7661] gfs2_get_tree+0x26/0xd0 [ 246.634898][ T7661] vfs_get_tree+0x30/0x120 [ 246.634919][ T7661] path_mount+0x5a9/0x1350 [ 246.634951][ T7661] ? putname+0x78/0xe0 [ 246.634982][ T7661] __x64_sys_mount+0x1a3/0x1e0 [ 246.635015][ T7661] do_syscall_64+0xa4/0xf80 [ 246.635049][ T7661] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 246.635072][ T7661] RIP: 0033:0x7efd4579c14a [ 246.635088][ T7661] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 246.635109][ T7661] RSP: 002b:00007efd46630e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 246.635130][ T7661] RAX: ffffffffffffffda RBX: 00007efd46630ee0 RCX: 00007efd4579c14a [ 246.635144][ T7661] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007efd46630ea0 [ 246.635158][ T7661] RBP: 00002000000124c0 R08: 00007efd46630ee0 R09: 0000000000000000 [ 246.635173][ T7661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 246.635186][ T7661] R13: 00007efd46630ea0 R14: 0000000000012588 R15: 0000200000000000 [ 246.635203][ T7661] [ 246.635231][ T7661] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 246.642426][ T7664] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.763698][ T7661] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 246.862486][ T7677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 247.796974][ T7677] CPU: 0 UID: 0 PID: 7677 Comm: syz.5.196 Not tainted syzkaller #0 PREEMPT(full) [ 247.797000][ T7677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 247.797012][ T7677] Call Trace: [ 247.797020][ T7677] [ 247.797027][ T7677] dump_stack_lvl+0x97/0xe0 [ 247.797054][ T7677] sysfs_warn_dup.cold+0x1c/0x28 [ 247.797085][ T7677] sysfs_create_dir_ns+0x129/0x140 [ 247.797110][ T7677] kobject_add_internal+0x104/0x310 [ 247.797136][ T7677] kobject_init_and_add+0xb2/0xf0 [ 247.797162][ T7677] ? alloc_workqueue_noprof+0xe0/0xb60 [ 247.797189][ T7677] gfs2_sys_fs_add+0xef/0x200 [ 247.797216][ T7677] gfs2_fill_super+0x896/0x1240 [ 247.797235][ T7677] ? sb_set_blocksize+0x8c/0x150 [ 247.797251][ T7677] ? setup_bdev_super+0x19d/0x330 [ 247.797264][ T7677] ? __pfx_gfs2_fill_super+0x10/0x10 [ 247.797285][ T7677] get_tree_bdev_flags+0x1c0/0x290 [ 247.797301][ T7677] gfs2_get_tree+0x26/0xd0 [ 247.797319][ T7677] vfs_get_tree+0x30/0x120 [ 247.797330][ T7677] path_mount+0x5a9/0x1350 [ 247.797359][ T7677] ? putname+0x78/0xe0 [ 247.797377][ T7677] __x64_sys_mount+0x1a3/0x1e0 [ 247.797396][ T7677] do_syscall_64+0xa4/0xf80 [ 247.797416][ T7677] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.797430][ T7677] RIP: 0033:0x7f98e9f9c14a [ 247.797440][ T7677] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 247.797452][ T7677] RSP: 002b:00007f98eae88e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 247.797464][ T7677] RAX: ffffffffffffffda RBX: 00007f98eae88ee0 RCX: 00007f98e9f9c14a [ 247.797473][ T7677] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f98eae88ea0 [ 247.797481][ T7677] RBP: 00002000000124c0 R08: 00007f98eae88ee0 R09: 0000000000000000 [ 247.797489][ T7677] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 247.797496][ T7677] R13: 00007f98eae88ea0 R14: 0000000000012588 R15: 0000200000000000 [ 247.797506][ T7677] [ 247.797603][ T7677] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 248.008015][ T7677] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 251.674481][ T6349] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 564 [ 251.689694][ T6349] CPU: 0 UID: 0 PID: 6349 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 251.689716][ T6349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 251.689724][ T6349] Call Trace: [ 251.689728][ T6349] [ 251.689733][ T6349] dump_stack_lvl+0x97/0xe0 [ 251.689785][ T6349] gfs2_assert_warn_i.cold+0x38/0x94 [ 251.689799][ T6349] gfs2_make_fs_ro+0x13d/0x220 [ 251.689813][ T6349] ? __pfx_autoremove_wake_function+0x10/0x10 [ 251.689834][ T6349] gfs2_put_super+0xb4/0x2d0 [ 251.689846][ T6349] ? __pfx_gfs2_put_super+0x10/0x10 [ 251.689859][ T6349] generic_shutdown_super+0x9c/0x160 [ 251.689873][ T6349] kill_block_super+0x1d/0x50 [ 251.689885][ T6349] gfs2_kill_sb+0x1b6/0x1e0 [ 251.689903][ T6349] deactivate_locked_super+0x4f/0x120 [ 251.689918][ T6349] deactivate_super+0xa4/0xc0 [ 251.689931][ T6349] cleanup_mnt+0x145/0x1f0 [ 251.689946][ T6349] task_work_run+0x95/0xf0 [ 251.689963][ T6349] exit_to_user_mode_loop+0xcf/0x440 [ 251.689986][ T6349] do_syscall_64+0x2b8/0xf80 [ 251.690007][ T6349] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 251.690020][ T6349] RIP: 0033:0x7f882819c117 [ 251.690030][ T6349] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 251.690042][ T6349] RSP: 002b:00007fff9ff63598 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 251.690054][ T6349] RAX: 0000000000000000 RBX: 00007f882820471f RCX: 00007f882819c117 [ 251.690063][ T6349] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9ff63650 [ 251.690070][ T6349] RBP: 00007fff9ff63650 R08: 00007fff9ff64650 R09: 00000000ffffffff [ 251.690078][ T6349] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9ff646e0 [ 251.690086][ T6349] R13: 00007f882820471f R14: 000000000003c2b4 R15: 00007fff9ff64720 [ 251.690095][ T6349] [ 251.992319][ T7683] set_capacity_and_notify: 3 callbacks suppressed [ 251.992330][ T7683] loop6: detected capacity change from 0 to 32768 [ 252.011052][ T7683] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 252.020280][ T7683] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 252.029263][ T7683] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms [ 252.042621][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 252.049422][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 252.059797][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 10ms [ 252.067588][ T9] gfs2: fsid=syz:syz.0: jid=0: Done [ 252.072812][ T7683] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 252.101541][ T7683] gfs2: fsid=syz:syz.0: found 1 quota changes [ 252.110523][ T6349] syz-executor: attempt to access beyond end of device [ 252.110523][ T6349] loop6: rw=8400897, sector=68719479080, nr_sectors = 8 limit=32768 [ 252.125418][ T6349] Buffer I/O error on dev loop6, logical block 8589934885, lost async page write [ 252.135061][ T6349] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116 [ 252.148579][ T6349] CPU: 1 UID: 0 PID: 6349 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 252.148602][ T6349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 252.148613][ T6349] Call Trace: [ 252.148618][ T6349] [ 252.148624][ T6349] dump_stack_lvl+0x97/0xe0 [ 252.148648][ T6349] gfs2_withdraw.cold+0xa/0x77 [ 252.148669][ T6349] gfs2_io_error_bh_i.cold+0x2d/0x32 [ 252.148692][ T6349] gfs2_ail1_flush+0x497/0x7e0 [ 252.148731][ T6349] gfs2_ail1_start+0x4f/0x80 [ 252.148770][ T6349] gfs2_log_flush+0xf9a/0x1170 [ 252.148792][ T6349] gfs2_kill_sb+0x3e/0x1e0 [ 252.148824][ T6349] deactivate_locked_super+0x4f/0x120 [ 252.148848][ T6349] deactivate_super+0xa4/0xc0 [ 252.148868][ T6349] cleanup_mnt+0x145/0x1f0 [ 252.148893][ T6349] task_work_run+0x95/0xf0 [ 252.148922][ T6349] exit_to_user_mode_loop+0xcf/0x440 [ 252.148949][ T6349] do_syscall_64+0x2b8/0xf80 [ 252.148993][ T6349] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 252.149017][ T6349] RIP: 0033:0x7f882819c117 [ 252.149033][ T6349] Code: a2 c7 05 7c 94 24 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 252.149054][ T6349] RSP: 002b:00007fff9ff63598 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 252.149074][ T6349] RAX: 0000000000000000 RBX: 00007f882820471f RCX: 00007f882819c117 [ 252.149089][ T6349] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9ff63650 [ 252.149103][ T6349] RBP: 00007fff9ff63650 R08: 00007fff9ff64650 R09: 00000000ffffffff [ 252.149122][ T6349] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9ff646e0 [ 252.149136][ T6349] R13: 00007f882820471f R14: 000000000003d811 R15: 00007fff9ff64720 [ 252.149153][ T6349] [ 252.149160][ T6349] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 254.475594][ T1309] ieee802154 phy0 wpan0: encryption failed: -22 [ 254.483126][ T1309] ieee802154 phy1 wpan1: encryption failed: -22 [ 257.365439][ T6352] gfs2: fsid=syz:syz.0: file system withdrawn [ 259.357953][ T6219] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881298e2480 (size 144): comm "syz.6.189", pid 7630, jiffies 4294961882 hex dump (first 32 bytes): ba 2d 7a 82 ff ff ff ff 05 00 00 00 00 00 00 00 .-z............. 0b 00 00 00 00 00 00 00 06 00 00 00 00 00 00 00 ................ backtrace (crc 61a3a826): kmem_cache_alloc_noprof+0x412/0x580 gfs2_trans_begin+0x29/0xa0 gfs2_create_inode+0xbfa/0x17f0 gfs2_atomic_open+0x96/0x190 path_openat+0x158f/0x20f0 do_filp_open+0x104/0x1f0 do_sys_openat2+0xcb/0x180 __x64_sys_open+0x7e/0xf0 do_syscall_64+0xa4/0xf80 entry_SYSCALL_64_after_hwframe+0x77/0x7f connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF [ 262.378242][ T31] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.456167][ T31] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.495705][ T31] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.545824][ T31] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.606528][ T31] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.651493][ T31] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.695725][ T31] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.745823][ T31] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.809561][ T31] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.868316][ T31] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.919219][ T31] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.946291][ T31] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 262.984231][ T31] bridge_slave_1: left allmulticast mode [ 262.992046][ T31] bridge_slave_1: left promiscuous mode [ 262.998352][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.007010][ T31] bridge_slave_0: left allmulticast mode [ 263.015848][ T31] bridge_slave_0: left promiscuous mode [ 263.022352][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.032471][ T31] bridge_slave_1: left allmulticast mode [ 263.039265][ T31] bridge_slave_1: left promiscuous mode [ 263.045974][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.054298][ T31] bridge_slave_0: left allmulticast mode [ 263.060818][ T31] bridge_slave_0: left promiscuous mode [ 263.067269][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.075434][ T31] bridge_slave_1: left allmulticast mode [ 263.081469][ T31] bridge_slave_1: left promiscuous mode [ 263.087633][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 263.095566][ T31] bridge_slave_0: left allmulticast mode [ 263.101652][ T31] bridge_slave_0: left promiscuous mode [ 263.107463][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 263.189235][ T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 263.199821][ T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 263.209994][ T31] bond0 (unregistering): Released all slaves [ 263.248115][ T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 263.257668][ T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 263.267160][ T31] bond0 (unregistering): Released all slaves [ 263.306450][ T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 263.315736][ T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 263.325169][ T31] bond0 (unregistering): Released all slaves [ 263.628550][ T31] hsr_slave_0: left promiscuous mode [ 263.635972][ T31] hsr_slave_1: left promiscuous mode [ 263.641639][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 263.650891][ T31] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 263.659580][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 263.667228][ T31] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 263.677089][ T31] hsr_slave_0: left promiscuous mode [ 263.682672][ T31] hsr_slave_1: left promiscuous mode [ 263.688401][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 263.695901][ T31] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 263.703564][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 263.711358][ T31] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 263.719971][ T31] hsr_slave_0: left promiscuous mode [ 263.725574][ T31] hsr_slave_1: left promiscuous mode [ 263.730998][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 263.738550][ T31] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 263.746002][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 263.753796][ T31] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 263.763722][ T31] veth1_macvtap: left promiscuous mode [ 263.769393][ T31] veth0_macvtap: left promiscuous mode [ 263.775100][ T31] veth1_vlan: left promiscuous mode [ 263.780506][ T31] veth0_vlan: left promiscuous mode [ 263.786393][ T31] veth1_macvtap: left promiscuous mode [ 263.792318][ T31] veth0_macvtap: left promiscuous mode [ 263.798048][ T31] veth1_vlan: left promiscuous mode [ 263.803618][ T31] veth0_vlan: left promiscuous mode [ 263.809233][ T31] veth1_macvtap: left promiscuous mode [ 263.814721][ T31] veth0_macvtap: left promiscuous mode [ 263.820209][ T31] veth1_vlan: left promiscuous mode [ 263.825760][ T31] veth0_vlan: left promiscuous mode [ 263.871449][ T31] team0 (unregistering): Port device team_slave_1 removed [ 263.879508][ T31] team0 (unregistering): Port device team_slave_0 removed [ 263.907365][ T31] team0 (unregistering): Port device team_slave_1 removed [ 263.915723][ T31] team0 (unregistering): Port device team_slave_0 removed [ 263.937124][ T31] team0 (unregistering): Port device team_slave_1 removed [ 263.949598][ T31] team0 (unregistering): Port device team_slave_0 removed [ 264.528547][ T31] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 264.586071][ T31] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 264.626086][ T31] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 264.685705][ T31] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 264.749543][ T31] netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 264.806082][ T31] netdevsim netdevsim5 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 264.846245][ T31] netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 264.895897][ T31] netdevsim netdevsim5 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 264.953902][ T31] netdevsim netdevsim6 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 264.996335][ T31] netdevsim netdevsim6 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 265.057029][ T31] netdevsim netdevsim6 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 265.096737][ T31] netdevsim netdevsim6 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 265.195883][ T31] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 265.236332][ T31] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 265.285801][ T31] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 265.326336][ T31] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 265.389021][ T31] bridge_slave_1: left allmulticast mode [ 265.395079][ T31] bridge_slave_1: left promiscuous mode [ 265.400740][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 265.408932][ T31] bridge_slave_0: left allmulticast mode [ 265.414879][ T31] bridge_slave_0: left promiscuous mode [ 265.420612][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 265.428806][ T31] bridge_slave_1: left allmulticast mode [ 265.434730][ T31] bridge_slave_1: left promiscuous mode [ 265.440853][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 265.448633][ T31] bridge_slave_0: left allmulticast mode [ 265.454306][ T31] bridge_slave_0: left promiscuous mode [ 265.460140][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 265.468167][ T31] bridge_slave_1: left allmulticast mode [ 265.473925][ T31] bridge_slave_1: left promiscuous mode [ 265.479780][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 265.487428][ T31] bridge_slave_0: left allmulticast mode [ 265.493215][ T31] bridge_slave_0: left promiscuous mode [ 265.499137][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 265.506850][ T31] bridge_slave_1: left allmulticast mode [ 265.512480][ T31] bridge_slave_1: left promiscuous mode [ 265.518167][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 265.525605][ T31] bridge_slave_0: left allmulticast mode [ 265.531239][ T31] bridge_slave_0: left promiscuous mode [ 265.537184][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 265.605588][ T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 265.615053][ T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 265.624145][ T31] bond0 (unregistering): Released all slaves [ 265.675412][ T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 265.685418][ T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 265.694966][ T31] bond0 (unregistering): Released all slaves [ 265.746070][ T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 265.755456][ T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 265.764764][ T31] bond0 (unregistering): Released all slaves [ 265.806215][ T31] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 265.815626][ T31] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 265.825047][ T31] bond0 (unregistering): Released all slaves [ 266.165742][ T31] hsr_slave_0: left promiscuous mode [ 266.171464][ T31] hsr_slave_1: left promiscuous mode [ 266.177247][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 266.185099][ T31] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 266.192688][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 266.200447][ T31] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 266.209237][ T31] hsr_slave_0: left promiscuous mode [ 266.214824][ T31] hsr_slave_1: left promiscuous mode [ 266.220527][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 266.228114][ T31] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 266.236148][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 266.243787][ T31] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 266.252477][ T31] hsr_slave_0: left promiscuous mode [ 266.258088][ T31] hsr_slave_1: left promiscuous mode [ 266.263583][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 266.271535][ T31] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 266.279385][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 266.287134][ T31] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 266.296117][ T31] hsr_slave_0: left promiscuous mode [ 266.301972][ T31] hsr_slave_1: left promiscuous mode [ 266.307678][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 266.315454][ T31] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 266.323207][ T31] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 266.331363][ T31] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 266.342515][ T31] veth1_macvtap: left promiscuous mode [ 266.348308][ T31] veth0_macvtap: left promiscuous mode [ 266.354000][ T31] veth1_vlan: left promiscuous mode [ 266.359441][ T31] veth0_vlan: left promiscuous mode [ 266.365252][ T31] veth1_macvtap: left promiscuous mode [ 266.370904][ T31] veth0_macvtap: left promiscuous mode [ 266.376441][ T31] veth1_vlan: left promiscuous mode [ 266.381763][ T31] veth0_vlan: left promiscuous mode [ 266.387430][ T31] veth1_macvtap: left promiscuous mode [ 266.393017][ T31] veth0_macvtap: left promiscuous mode [ 266.398773][ T31] veth1_vlan: left promiscuous mode [ 266.404034][ T31] veth0_vlan: left promiscuous mode [ 266.409759][ T31] veth1_macvtap: left promiscuous mode [ 266.415484][ T31] veth0_macvtap: left promiscuous mode [ 266.421126][ T31] veth1_vlan: left promiscuous mode [ 266.426596][ T31] veth0_vlan: left promiscuous mode [ 266.489721][ T31] team0 (unregistering): Port device team_slave_1 removed [ 266.499490][ T31] team0 (unregistering): Port device team_slave_0 removed [ 266.521412][ T31] team0 (unregistering): Port device team_slave_1 removed [ 266.529525][ T31] team0 (unregistering): Port device team_slave_0 removed [ 266.554064][ T31] team0 (unregistering): Port device team_slave_1 removed [ 266.565839][ T31] team0 (unregistering): Port device team_slave_0 removed [ 266.588240][ T31] team0 (unregistering): Port device team_slave_1 removed [ 266.597609][ T31] team0 (unregistering): Port device team_slave_0 removed