[ 86.733606][ T14] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.96' (ED25519) to the list of known hosts. executing program [ 90.863541][ T4257] loop0: detected capacity change from 0 to 32768 [ 90.881280][ T4257] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 90.895209][ T4257] gfs2: fsid=syz:syz: Now mounting FS (format 1802)... [ 90.923691][ T4257] gfs2: fsid=syz:syz.0: journal 0 mapped with 14 extents in 0ms [ 90.933881][ T126] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 90.940840][ T126] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 91.008566][ T126] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 67ms [ 91.017898][ T126] gfs2: fsid=syz:syz.0: jid=0: Done [ 91.024418][ T4257] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 91.174752][ T4257] ------------[ cut here ]------------ [ 91.180643][ T4257] WARNING: CPU: 0 PID: 4257 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x95d/0x11e0 [ 91.191047][ T4257] Modules linked in: [ 91.194998][ T4257] CPU: 0 PID: 4257 Comm: syz-executor103 Not tainted 6.1.141-syzkaller #0 [ 91.203541][ T4257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 91.213645][ T4257] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0 [ 91.219595][ T4257] Code: e9 6a f8 ff ff e8 a3 89 d2 ff 0f 0b e9 bb f8 ff ff e8 97 89 d2 ff 48 89 df 48 8b 74 24 18 e8 3a c5 2a 00 eb a6 e8 83 89 d2 ff <0f> 0b 43 80 3c 2c 00 0f 85 76 fb ff ff e9 79 fb ff ff 89 c2 80 e2 [ 91.239251][ T4257] RSP: 0018:ffffc90003d778f8 EFLAGS: 00010093 [ 91.245370][ T4257] RAX: ffffffff81ae4ced RBX: ffffea0000bff600 RCX: ffff8880301c8000 [ 91.253390][ T4257] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 91.261404][ T4257] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed100462d510 [ 91.269414][ T4257] R10: ffffed100462d510 R11: 1ffff1100462d50f R12: 1ffff1100462d50f [ 91.277427][ T4257] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802316a878 [ 91.285442][ T4257] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 91.294444][ T4257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.301043][ T4257] CR2: 00007f7f7574c130 CR3: 000000000c68e000 CR4: 00000000003506f0 [ 91.309041][ T4257] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.317031][ T4257] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.325106][ T4257] Call Trace: [ 91.328400][ T4257] [ 91.331346][ T4257] ? folio_mapping+0x1ba/0x4d0 [ 91.336131][ T4257] mark_buffer_dirty+0x33f/0x7a0 [ 91.341099][ T4257] gfs2_unpin+0x125/0x9a0 [ 91.345456][ T4257] ? log_pull_tail+0x7f/0x370 [ 91.350162][ T4257] buf_lo_after_commit+0x15a/0x1a0 [ 91.355296][ T4257] ? buf_lo_before_commit+0xf0/0xf0 [ 91.360515][ T4257] gfs2_log_flush+0x10be/0x24e0 [ 91.365402][ T4257] ? unregister_shrinker+0x225/0x310 [ 91.370772][ T4257] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 91.375922][ T4257] ? unregister_shrinker+0x24e/0x310 [ 91.381241][ T4257] ? unregister_shrinker+0x24e/0x310 [ 91.386545][ T4257] ? kfree+0x30/0x190 [ 91.390555][ T4257] gfs2_kill_sb+0x50/0xd0 [ 91.394902][ T4257] deactivate_locked_super+0x93/0xf0 [ 91.400207][ T4257] cleanup_mnt+0x463/0x4f0 [ 91.404731][ T4257] ? lockdep_hardirqs_on+0x94/0x140 [ 91.409956][ T4257] task_work_run+0x1ca/0x250 [ 91.414657][ T4257] ? task_work_cancel+0x230/0x230 [ 91.419741][ T4257] ? do_exit+0x931/0x2400 [ 91.424091][ T4257] ? kmem_cache_free+0xf7/0x290 [ 91.428971][ T4257] do_exit+0x936/0x2400 [ 91.433173][ T4257] ? put_task_struct+0x80/0x80 [ 91.438084][ T4257] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 91.444121][ T4257] ? lock_chain_count+0x20/0x20 [ 91.448994][ T4257] ? _raw_spin_lock_irq+0xab/0xe0 [ 91.454044][ T4257] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 91.459460][ T4257] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 91.465467][ T4257] ? _raw_spin_unlock_irq+0x1f/0x40 [ 91.470689][ T4257] ? lockdep_hardirqs_on+0x94/0x140 [ 91.475906][ T4257] do_group_exit+0x217/0x2d0 [ 91.480611][ T4257] __x64_sys_exit_group+0x3b/0x40 [ 91.485657][ T4257] do_syscall_64+0x4c/0xa0 [ 91.490087][ T4257] ? clear_bhb_loop+0x60/0xb0 [ 91.494780][ T4257] ? clear_bhb_loop+0x60/0xb0 [ 91.499470][ T4257] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 91.505394][ T4257] RIP: 0033:0x7f7f756bfb09 [ 91.509833][ T4257] Code: Unable to access opcode bytes at 0x7f7f756bfadf. [ 91.516860][ T4257] RSP: 002b:00007ffc5de7db68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 91.525287][ T4257] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7f756bfb09 [ 91.533271][ T4257] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 91.541251][ T4257] RBP: 00007f7f7574e2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 91.549233][ T4257] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7f7574e2b0 [ 91.557213][ T4257] R13: 0000000000000000 R14: 00007f7f7574f020 R15: 00007f7f7568e040 [ 91.565241][ T4257] [ 91.568276][ T4257] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 91.575564][ T4257] CPU: 0 PID: 4257 Comm: syz-executor103 Not tainted 6.1.141-syzkaller #0 [ 91.584073][ T4257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 91.594142][ T4257] Call Trace: [ 91.597432][ T4257] [ 91.600380][ T4257] dump_stack_lvl+0x168/0x22e [ 91.605080][ T4257] ? memcpy+0x3c/0x60 [ 91.609075][ T4257] ? show_regs_print_info+0x12/0x12 [ 91.614300][ T4257] ? load_image+0x3b0/0x3b0 [ 91.618823][ T4257] panic+0x2c9/0x710 [ 91.622737][ T4257] ? bpf_jit_dump+0xd0/0xd0 [ 91.627262][ T4257] __warn+0x2f8/0x4f0 [ 91.631281][ T4257] ? __folio_mark_dirty+0x95d/0x11e0 [ 91.636589][ T4257] ? __folio_mark_dirty+0x95d/0x11e0 [ 91.641890][ T4257] report_bug+0x2ba/0x4f0 [ 91.646240][ T4257] ? __folio_mark_dirty+0x95d/0x11e0 [ 91.651544][ T4257] handle_bug+0x3a/0x70 [ 91.655711][ T4257] exc_invalid_op+0x16/0x40 [ 91.660230][ T4257] asm_exc_invalid_op+0x16/0x20 [ 91.665091][ T4257] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0 [ 91.671004][ T4257] Code: e9 6a f8 ff ff e8 a3 89 d2 ff 0f 0b e9 bb f8 ff ff e8 97 89 d2 ff 48 89 df 48 8b 74 24 18 e8 3a c5 2a 00 eb a6 e8 83 89 d2 ff <0f> 0b 43 80 3c 2c 00 0f 85 76 fb ff ff e9 79 fb ff ff 89 c2 80 e2 [ 91.690622][ T4257] RSP: 0018:ffffc90003d778f8 EFLAGS: 00010093 [ 91.696706][ T4257] RAX: ffffffff81ae4ced RBX: ffffea0000bff600 RCX: ffff8880301c8000 [ 91.704686][ T4257] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 91.712717][ T4257] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed100462d510 [ 91.720708][ T4257] R10: ffffed100462d510 R11: 1ffff1100462d50f R12: 1ffff1100462d50f [ 91.728693][ T4257] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88802316a878 [ 91.736682][ T4257] ? __folio_mark_dirty+0x95d/0x11e0 [ 91.741993][ T4257] ? __folio_mark_dirty+0x95d/0x11e0 [ 91.747322][ T4257] ? folio_mapping+0x1ba/0x4d0 [ 91.752102][ T4257] mark_buffer_dirty+0x33f/0x7a0 [ 91.757062][ T4257] gfs2_unpin+0x125/0x9a0 [ 91.761439][ T4257] ? log_pull_tail+0x7f/0x370 [ 91.766156][ T4257] buf_lo_after_commit+0x15a/0x1a0 [ 91.771285][ T4257] ? buf_lo_before_commit+0xf0/0xf0 [ 91.776504][ T4257] gfs2_log_flush+0x10be/0x24e0 [ 91.781377][ T4257] ? unregister_shrinker+0x225/0x310 [ 91.786704][ T4257] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 91.791922][ T4257] ? unregister_shrinker+0x24e/0x310 [ 91.797320][ T4257] ? unregister_shrinker+0x24e/0x310 [ 91.802621][ T4257] ? kfree+0x30/0x190 [ 91.806651][ T4257] gfs2_kill_sb+0x50/0xd0 [ 91.810997][ T4257] deactivate_locked_super+0x93/0xf0 [ 91.816301][ T4257] cleanup_mnt+0x463/0x4f0 [ 91.820742][ T4257] ? lockdep_hardirqs_on+0x94/0x140 [ 91.825958][ T4257] task_work_run+0x1ca/0x250 [ 91.830652][ T4257] ? task_work_cancel+0x230/0x230 [ 91.835690][ T4257] ? do_exit+0x931/0x2400 [ 91.840037][ T4257] ? kmem_cache_free+0xf7/0x290 [ 91.844906][ T4257] do_exit+0x936/0x2400 [ 91.849089][ T4257] ? put_task_struct+0x80/0x80 [ 91.853870][ T4257] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 91.859868][ T4257] ? lock_chain_count+0x20/0x20 [ 91.864733][ T4257] ? _raw_spin_lock_irq+0xab/0xe0 [ 91.869773][ T4257] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 91.875167][ T4257] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 91.881169][ T4257] ? _raw_spin_unlock_irq+0x1f/0x40 [ 91.886386][ T4257] ? lockdep_hardirqs_on+0x94/0x140 [ 91.891599][ T4257] do_group_exit+0x217/0x2d0 [ 91.896223][ T4257] __x64_sys_exit_group+0x3b/0x40 [ 91.901268][ T4257] do_syscall_64+0x4c/0xa0 [ 91.905709][ T4257] ? clear_bhb_loop+0x60/0xb0 [ 91.910393][ T4257] ? clear_bhb_loop+0x60/0xb0 [ 91.915079][ T4257] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 91.920997][ T4257] RIP: 0033:0x7f7f756bfb09 [ 91.925425][ T4257] Code: Unable to access opcode bytes at 0x7f7f756bfadf. [ 91.932445][ T4257] RSP: 002b:00007ffc5de7db68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 91.941044][ T4257] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7f756bfb09 [ 91.949024][ T4257] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 91.957012][ T4257] RBP: 00007f7f7574e2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 91.965008][ T4257] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7f7574e2b0 [ 91.972993][ T4257] R13: 0000000000000000 R14: 00007f7f7574f020 R15: 00007f7f7568e040 [ 91.980989][ T4257] [ 91.984354][ T4257] Kernel Offset: disabled [ 91.988812][ T4257] Rebooting in 86400 seconds..