Warning: Permanently added '10.128.0.184' (ED25519) to the list of known hosts. executing program [ 65.637734][ T4250] loop0: detected capacity change from 0 to 32768 [ 65.650375][ T4250] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 65.658975][ T4250] gfs2: fsid=syz:syz: Now mounting FS (format 1802)... [ 65.674651][ T4250] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 65.684979][ T3585] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 65.692311][ T3585] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 65.731672][ T3585] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 39ms [ 65.740259][ T3585] gfs2: fsid=syz:syz.0: jid=0: Done [ 65.746035][ T4250] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 65.925074][ T4250] ------------[ cut here ]------------ [ 65.930845][ T4250] WARNING: CPU: 0 PID: 4250 at include/linux/backing-dev.h:247 __folio_mark_dirty+0x95d/0x11e0 [ 65.941350][ T4250] Modules linked in: [ 65.945270][ T4250] CPU: 0 PID: 4250 Comm: syz-executor313 Not tainted 6.1.141-syzkaller #0 [ 65.953803][ T4250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 65.963895][ T4250] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0 [ 65.969888][ T4250] 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 [ 65.990118][ T4250] RSP: 0018:ffffc90003c878f8 EFLAGS: 00010093 [ 65.996188][ T4250] RAX: ffffffff81ae4ced RBX: ffffea0001dfbd80 RCX: ffff88807e150000 [ 66.004250][ T4250] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 66.012247][ T4250] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed1002f08930 [ 66.020211][ T4250] R10: ffffed1002f08930 R11: 1ffff11002f0892f R12: 1ffff11002f0892f [ 66.028184][ T4250] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888017844978 [ 66.036190][ T4250] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 66.045220][ T4250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.051792][ T4250] CR2: 00007fd0a1c45130 CR3: 000000002a9db000 CR4: 00000000003506f0 [ 66.059758][ T4250] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.067723][ T4250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.075690][ T4250] Call Trace: [ 66.079059][ T4250] [ 66.081984][ T4250] ? folio_mapping+0x1ba/0x4d0 [ 66.086755][ T4250] mark_buffer_dirty+0x33f/0x7a0 [ 66.091680][ T4250] gfs2_unpin+0x125/0x9a0 [ 66.096230][ T4250] ? log_pull_tail+0x7f/0x370 [ 66.100922][ T4250] buf_lo_after_commit+0x15a/0x1a0 [ 66.106032][ T4250] ? buf_lo_before_commit+0xf0/0xf0 [ 66.111262][ T4250] gfs2_log_flush+0x10be/0x24e0 [ 66.116116][ T4250] ? unregister_shrinker+0x225/0x310 [ 66.121400][ T4250] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 66.126855][ T4250] ? unregister_shrinker+0x24e/0x310 [ 66.132482][ T4250] ? unregister_shrinker+0x24e/0x310 [ 66.137855][ T4250] ? kfree+0x30/0x190 [ 66.141853][ T4250] gfs2_kill_sb+0x50/0xd0 [ 66.146178][ T4250] deactivate_locked_super+0x93/0xf0 [ 66.151459][ T4250] cleanup_mnt+0x463/0x4f0 [ 66.155864][ T4250] ? lockdep_hardirqs_on+0x94/0x140 [ 66.161053][ T4250] task_work_run+0x1ca/0x250 [ 66.165637][ T4250] ? task_work_cancel+0x230/0x230 [ 66.170644][ T4250] ? do_exit+0x931/0x2400 [ 66.175169][ T4250] ? kmem_cache_free+0xf7/0x290 [ 66.180033][ T4250] do_exit+0x936/0x2400 [ 66.184273][ T4250] ? put_task_struct+0x80/0x80 [ 66.189024][ T4250] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 66.194992][ T4250] ? lock_chain_count+0x20/0x20 [ 66.199824][ T4250] ? _raw_spin_lock_irq+0xab/0xe0 [ 66.204831][ T4250] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 66.210201][ T4250] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 66.216347][ T4250] ? _raw_spin_unlock_irq+0x1f/0x40 [ 66.221743][ T4250] ? lockdep_hardirqs_on+0x94/0x140 [ 66.226935][ T4250] do_group_exit+0x217/0x2d0 [ 66.231531][ T4250] __x64_sys_exit_group+0x3b/0x40 [ 66.236549][ T4250] do_syscall_64+0x4c/0xa0 [ 66.240952][ T4250] ? clear_bhb_loop+0x60/0xb0 [ 66.245608][ T4250] ? clear_bhb_loop+0x60/0xb0 [ 66.250267][ T4250] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 66.256148][ T4250] RIP: 0033:0x7fd0a1bb8b09 [ 66.260648][ T4250] Code: Unable to access opcode bytes at 0x7fd0a1bb8adf. [ 66.267666][ T4250] RSP: 002b:00007ffdcca45618 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 66.276090][ T4250] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd0a1bb8b09 [ 66.284060][ T4250] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 66.292025][ T4250] RBP: 00007fd0a1c472b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 66.299992][ T4250] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd0a1c472b0 [ 66.307943][ T4250] R13: 0000000000000000 R14: 00007fd0a1c48020 R15: 00007fd0a1b87040 [ 66.315915][ T4250] [ 66.318956][ T4250] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 66.326657][ T4250] CPU: 0 PID: 4250 Comm: syz-executor313 Not tainted 6.1.141-syzkaller #0 [ 66.335239][ T4250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 66.345293][ T4250] Call Trace: [ 66.348564][ T4250] [ 66.351493][ T4250] dump_stack_lvl+0x168/0x22e [ 66.356183][ T4250] ? memcpy+0x3c/0x60 [ 66.360186][ T4250] ? show_regs_print_info+0x12/0x12 [ 66.365641][ T4250] ? load_image+0x3b0/0x3b0 [ 66.370146][ T4250] panic+0x2c9/0x710 [ 66.374120][ T4250] ? bpf_jit_dump+0xd0/0xd0 [ 66.378613][ T4250] __warn+0x2f8/0x4f0 [ 66.382580][ T4250] ? __folio_mark_dirty+0x95d/0x11e0 [ 66.387847][ T4250] ? __folio_mark_dirty+0x95d/0x11e0 [ 66.393117][ T4250] report_bug+0x2ba/0x4f0 [ 66.397517][ T4250] ? __folio_mark_dirty+0x95d/0x11e0 [ 66.402870][ T4250] handle_bug+0x3a/0x70 [ 66.407046][ T4250] exc_invalid_op+0x16/0x40 [ 66.411531][ T4250] asm_exc_invalid_op+0x16/0x20 [ 66.416378][ T4250] RIP: 0010:__folio_mark_dirty+0x95d/0x11e0 [ 66.422269][ T4250] 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 [ 66.442045][ T4250] RSP: 0018:ffffc90003c878f8 EFLAGS: 00010093 [ 66.448147][ T4250] RAX: ffffffff81ae4ced RBX: ffffea0001dfbd80 RCX: ffff88807e150000 [ 66.456119][ T4250] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 66.464079][ T4250] RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed1002f08930 [ 66.472124][ T4250] R10: ffffed1002f08930 R11: 1ffff11002f0892f R12: 1ffff11002f0892f [ 66.480084][ T4250] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888017844978 [ 66.488043][ T4250] ? __folio_mark_dirty+0x95d/0x11e0 [ 66.493342][ T4250] ? __folio_mark_dirty+0x95d/0x11e0 [ 66.498709][ T4250] ? folio_mapping+0x1ba/0x4d0 [ 66.503465][ T4250] mark_buffer_dirty+0x33f/0x7a0 [ 66.508407][ T4250] gfs2_unpin+0x125/0x9a0 [ 66.512736][ T4250] ? log_pull_tail+0x7f/0x370 [ 66.517493][ T4250] buf_lo_after_commit+0x15a/0x1a0 [ 66.522587][ T4250] ? buf_lo_before_commit+0xf0/0xf0 [ 66.527772][ T4250] gfs2_log_flush+0x10be/0x24e0 [ 66.532618][ T4250] ? unregister_shrinker+0x225/0x310 [ 66.537985][ T4250] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 66.543127][ T4250] ? unregister_shrinker+0x24e/0x310 [ 66.548682][ T4250] ? unregister_shrinker+0x24e/0x310 [ 66.554855][ T4250] ? kfree+0x30/0x190 [ 66.558829][ T4250] gfs2_kill_sb+0x50/0xd0 [ 66.563268][ T4250] deactivate_locked_super+0x93/0xf0 [ 66.568743][ T4250] cleanup_mnt+0x463/0x4f0 [ 66.573152][ T4250] ? lockdep_hardirqs_on+0x94/0x140 [ 66.578375][ T4250] task_work_run+0x1ca/0x250 [ 66.582970][ T4250] ? task_work_cancel+0x230/0x230 [ 66.588001][ T4250] ? do_exit+0x931/0x2400 [ 66.592316][ T4250] ? kmem_cache_free+0xf7/0x290 [ 66.597241][ T4250] do_exit+0x936/0x2400 [ 66.601431][ T4250] ? put_task_struct+0x80/0x80 [ 66.606222][ T4250] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 66.612212][ T4250] ? lock_chain_count+0x20/0x20 [ 66.617067][ T4250] ? _raw_spin_lock_irq+0xab/0xe0 [ 66.622126][ T4250] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 66.627584][ T4250] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 66.635143][ T4250] ? _raw_spin_unlock_irq+0x1f/0x40 [ 66.640344][ T4250] ? lockdep_hardirqs_on+0x94/0x140 [ 66.645524][ T4250] do_group_exit+0x217/0x2d0 [ 66.650098][ T4250] __x64_sys_exit_group+0x3b/0x40 [ 66.655150][ T4250] do_syscall_64+0x4c/0xa0 [ 66.659560][ T4250] ? clear_bhb_loop+0x60/0xb0 [ 66.664418][ T4250] ? clear_bhb_loop+0x60/0xb0 [ 66.669189][ T4250] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 66.675421][ T4250] RIP: 0033:0x7fd0a1bb8b09 [ 66.679821][ T4250] Code: Unable to access opcode bytes at 0x7fd0a1bb8adf. [ 66.686832][ T4250] RSP: 002b:00007ffdcca45618 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 66.695340][ T4250] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd0a1bb8b09 [ 66.703646][ T4250] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 66.711695][ T4250] RBP: 00007fd0a1c472b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 66.719693][ T4250] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd0a1c472b0 [ 66.727650][ T4250] R13: 0000000000000000 R14: 00007fd0a1c48020 R15: 00007fd0a1b87040 [ 66.735634][ T4250] [ 66.738762][ T4250] Kernel Offset: disabled [ 66.743206][ T4250] Rebooting in 86400 seconds..