Warning: Permanently added '10.128.0.168' (ED25519) to the list of known hosts. executing program [ 61.323395][ T4165] loop0: detected capacity change from 0 to 32768 [ 61.419617][ T4165] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 61.428113][ T4165] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 61.457310][ T4165] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 61.468388][ T13] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 61.475382][ T13] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 61.510347][ T13] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 34ms [ 61.518317][ T13] gfs2: fsid=syz:syz.0: jid=0: Done [ 61.523720][ T4165] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 61.731778][ T4165] ------------[ cut here ]------------ [ 61.737411][ T4165] WARNING: CPU: 0 PID: 4165 at include/linux/backing-dev.h:288 __set_page_dirty+0xa69/0xd40 [ 61.747524][ T4165] Modules linked in: [ 61.751427][ T4165] CPU: 0 PID: 4165 Comm: syz-executor404 Not tainted 5.15.179-syzkaller #0 [ 61.760003][ T4165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 61.770057][ T4165] RIP: 0010:__set_page_dirty+0xa69/0xd40 [ 61.775707][ T4165] Code: f7 d4 ff 49 ff cf e9 6b fc ff ff e8 11 f7 d4 ff 48 ff cb e9 fb fb ff ff e8 04 f7 d4 ff 48 ff cb e9 c9 fc ff ff e8 f7 f6 d4 ff <0f> 0b 43 80 3c 2f 00 0f 85 b1 f9 ff ff e9 b4 f9 ff ff 89 d9 80 e1 [ 61.795326][ T4165] RSP: 0018:ffffc900011df990 EFLAGS: 00010093 [ 61.801486][ T4165] RAX: ffffffff81aba5c9 RBX: ffff888145dc5a70 RCX: ffff888075ba1dc0 [ 61.809538][ T4165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.817502][ T4165] RBP: 0000000000000000 R08: ffffffff81ab9f73 R09: ffffed1028bb8b4f [ 61.825468][ T4165] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888145dc58f8 [ 61.833432][ T4165] R13: dffffc0000000000 R14: ffffea000090f700 R15: 1ffff11028bb8b4e [ 61.841408][ T4165] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 61.850363][ T4165] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.856945][ T4165] CR2: 00007f20e9ce3130 CR3: 000000000c88e000 CR4: 00000000003506f0 [ 61.865095][ T4165] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.873068][ T4165] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.881042][ T4165] Call Trace: [ 61.884315][ T4165] [ 61.887265][ T4165] ? __warn+0x15b/0x300 [ 61.891422][ T4165] ? __set_page_dirty+0xa69/0xd40 [ 61.896440][ T4165] ? report_bug+0x1b7/0x2e0 [ 61.900942][ T4165] ? handle_bug+0x3d/0x70 [ 61.905274][ T4165] ? exc_invalid_op+0x16/0x40 [ 61.909947][ T4165] ? asm_exc_invalid_op+0x16/0x20 [ 61.914973][ T4165] ? __set_page_dirty+0x413/0xd40 [ 61.920007][ T4165] ? __set_page_dirty+0xa69/0xd40 [ 61.925040][ T4165] ? __set_page_dirty+0xa69/0xd40 [ 61.930092][ T4165] ? page_mapping+0x312/0x440 [ 61.934783][ T4165] mark_buffer_dirty+0x2e4/0x4b0 [ 61.939734][ T4165] gfs2_unpin+0x11e/0xa50 [ 61.944066][ T4165] buf_lo_after_commit+0x14b/0x1a0 [ 61.949169][ T4165] ? buf_lo_before_commit+0xe0/0xe0 [ 61.954365][ T4165] gfs2_log_flush+0x11e0/0x2680 [ 61.959224][ T4165] ? gfs2_ail_empty_tr+0x310/0x310 [ 61.964334][ T4165] ? unregister_shrinker+0x266/0x320 [ 61.969611][ T4165] ? kfree+0x4a/0x270 [ 61.973596][ T4165] gfs2_kill_sb+0x50/0xd0 [ 61.977919][ T4165] deactivate_locked_super+0xa0/0x110 [ 61.983289][ T4165] cleanup_mnt+0x44e/0x500 [ 61.987734][ T4165] ? lockdep_hardirqs_on+0x94/0x130 [ 61.992928][ T4165] task_work_run+0x129/0x1a0 [ 61.997515][ T4165] do_exit+0x6a3/0x2480 [ 62.001693][ T4165] ? put_task_struct+0x80/0x80 [ 62.006455][ T4165] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 62.012432][ T4165] ? vtime_user_exit+0x2d1/0x400 [ 62.017370][ T4165] do_group_exit+0x144/0x310 [ 62.021975][ T4165] __x64_sys_exit_group+0x3b/0x40 [ 62.027016][ T4165] do_syscall_64+0x3b/0xb0 [ 62.031429][ T4165] ? clear_bhb_loop+0x15/0x70 [ 62.036101][ T4165] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 62.041989][ T4165] RIP: 0033:0x7f20e9c30b09 [ 62.046398][ T4165] Code: Unable to access opcode bytes at RIP 0x7f20e9c30adf. [ 62.053771][ T4165] RSP: 002b:00007ffd2d3e6118 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 62.062260][ T4165] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f20e9c30b09 [ 62.070237][ T4165] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 62.078204][ T4165] RBP: 00007f20e9ce52b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 62.086173][ T4165] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f20e9ce52b0 [ 62.094264][ T4165] R13: 0000000000000000 R14: 00007f20e9ce6020 R15: 00007f20e9bff060 [ 62.102238][ T4165] [ 62.105276][ T4165] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 62.112568][ T4165] CPU: 0 PID: 4165 Comm: syz-executor404 Not tainted 5.15.179-syzkaller #0 [ 62.121143][ T4165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 62.131195][ T4165] Call Trace: [ 62.134470][ T4165] [ 62.137393][ T4165] dump_stack_lvl+0x1e3/0x2d0 [ 62.142094][ T4165] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 62.147721][ T4165] ? panic+0x860/0x860 [ 62.151790][ T4165] ? __set_page_dirty+0x9a0/0xd40 [ 62.156810][ T4165] ? __set_page_dirty+0x9a0/0xd40 [ 62.161829][ T4165] panic+0x318/0x860 [ 62.165746][ T4165] ? __warn+0x16a/0x300 [ 62.169903][ T4165] ? fb_is_primary_device+0xd0/0xd0 [ 62.175102][ T4165] ? __set_page_dirty+0xa69/0xd40 [ 62.180131][ T4165] __warn+0x2b2/0x300 [ 62.184137][ T4165] ? __set_page_dirty+0xa69/0xd40 [ 62.189162][ T4165] report_bug+0x1b7/0x2e0 [ 62.193490][ T4165] handle_bug+0x3d/0x70 [ 62.197640][ T4165] exc_invalid_op+0x16/0x40 [ 62.202167][ T4165] asm_exc_invalid_op+0x16/0x20 [ 62.207011][ T4165] RIP: 0010:__set_page_dirty+0xa69/0xd40 [ 62.212640][ T4165] Code: f7 d4 ff 49 ff cf e9 6b fc ff ff e8 11 f7 d4 ff 48 ff cb e9 fb fb ff ff e8 04 f7 d4 ff 48 ff cb e9 c9 fc ff ff e8 f7 f6 d4 ff <0f> 0b 43 80 3c 2f 00 0f 85 b1 f9 ff ff e9 b4 f9 ff ff 89 d9 80 e1 [ 62.232237][ T4165] RSP: 0018:ffffc900011df990 EFLAGS: 00010093 [ 62.238299][ T4165] RAX: ffffffff81aba5c9 RBX: ffff888145dc5a70 RCX: ffff888075ba1dc0 [ 62.246266][ T4165] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.254225][ T4165] RBP: 0000000000000000 R08: ffffffff81ab9f73 R09: ffffed1028bb8b4f [ 62.262187][ T4165] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888145dc58f8 [ 62.270156][ T4165] R13: dffffc0000000000 R14: ffffea000090f700 R15: 1ffff11028bb8b4e [ 62.278126][ T4165] ? __set_page_dirty+0x413/0xd40 [ 62.283159][ T4165] ? __set_page_dirty+0xa69/0xd40 [ 62.288187][ T4165] ? page_mapping+0x312/0x440 [ 62.292898][ T4165] mark_buffer_dirty+0x2e4/0x4b0 [ 62.297835][ T4165] gfs2_unpin+0x11e/0xa50 [ 62.302285][ T4165] buf_lo_after_commit+0x14b/0x1a0 [ 62.307402][ T4165] ? buf_lo_before_commit+0xe0/0xe0 [ 62.312610][ T4165] gfs2_log_flush+0x11e0/0x2680 [ 62.317482][ T4165] ? gfs2_ail_empty_tr+0x310/0x310 [ 62.322608][ T4165] ? unregister_shrinker+0x266/0x320 [ 62.327892][ T4165] ? kfree+0x4a/0x270 [ 62.331879][ T4165] gfs2_kill_sb+0x50/0xd0 [ 62.336206][ T4165] deactivate_locked_super+0xa0/0x110 [ 62.341576][ T4165] cleanup_mnt+0x44e/0x500 [ 62.345985][ T4165] ? lockdep_hardirqs_on+0x94/0x130 [ 62.351180][ T4165] task_work_run+0x129/0x1a0 [ 62.355770][ T4165] do_exit+0x6a3/0x2480 [ 62.359925][ T4165] ? put_task_struct+0x80/0x80 [ 62.364683][ T4165] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 62.370663][ T4165] ? vtime_user_exit+0x2d1/0x400 [ 62.375687][ T4165] do_group_exit+0x144/0x310 [ 62.380271][ T4165] __x64_sys_exit_group+0x3b/0x40 [ 62.385286][ T4165] do_syscall_64+0x3b/0xb0 [ 62.389697][ T4165] ? clear_bhb_loop+0x15/0x70 [ 62.394391][ T4165] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 62.400276][ T4165] RIP: 0033:0x7f20e9c30b09 [ 62.404700][ T4165] Code: Unable to access opcode bytes at RIP 0x7f20e9c30adf. [ 62.412147][ T4165] RSP: 002b:00007ffd2d3e6118 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 62.420555][ T4165] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f20e9c30b09 [ 62.428520][ T4165] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 62.436486][ T4165] RBP: 00007f20e9ce52b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 62.444453][ T4165] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f20e9ce52b0 [ 62.452416][ T4165] R13: 0000000000000000 R14: 00007f20e9ce6020 R15: 00007f20e9bff060 [ 62.460408][ T4165] [ 62.463743][ T4165] Kernel Offset: disabled [ 62.468205][ T4165] Rebooting in 86400 seconds..