Warning: Permanently added '10.128.1.163' (ED25519) to the list of known hosts. executing program syzkaller login: [ 61.983650][ T4161] loop0: detected capacity change from 0 to 32768 [ 62.078680][ T4161] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 62.087115][ T4161] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 62.117166][ T4161] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 62.128034][ T21] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 62.135032][ T21] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 62.169393][ T21] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 34ms [ 62.177490][ T21] gfs2: fsid=syz:syz.0: jid=0: Done [ 62.182862][ T4161] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 62.383200][ T4161] ------------[ cut here ]------------ [ 62.389898][ T4161] WARNING: CPU: 0 PID: 4161 at include/linux/backing-dev.h:288 __set_page_dirty+0xa69/0xd40 [ 62.400036][ T4161] Modules linked in: [ 62.404027][ T4161] CPU: 0 PID: 4161 Comm: syz-executor412 Not tainted 5.15.172-syzkaller #0 [ 62.412694][ T4161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 62.422736][ T4161] RIP: 0010:__set_page_dirty+0xa69/0xd40 [ 62.428390][ T4161] Code: 0d d5 ff 49 ff cf e9 6b fc ff ff e8 81 0d d5 ff 48 ff cb e9 fb fb ff ff e8 74 0d d5 ff 48 ff cb e9 c9 fc ff ff e8 67 0d d5 ff <0f> 0b 43 80 3c 2f 00 0f 85 b1 f9 ff ff e9 b4 f9 ff ff 89 d9 80 e1 [ 62.448083][ T4161] RSP: 0018:ffffc90002df7990 EFLAGS: 00010093 [ 62.454149][ T4161] RAX: ffffffff81ab6639 RBX: ffff888145d9ceb0 RCX: ffff8880268c0000 [ 62.462233][ T4161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.470245][ T4161] RBP: 0000000000000000 R08: ffffffff81ab5fe3 R09: ffffed1028bb39d7 [ 62.478244][ T4161] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888145d9cd38 [ 62.486227][ T4161] R13: dffffc0000000000 R14: ffffea0001c69600 R15: 1ffff11028bb39d6 [ 62.494203][ T4161] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 62.503377][ T4161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.510078][ T4161] CR2: 00007f867e454000 CR3: 000000002292a000 CR4: 00000000003506f0 [ 62.518068][ T4161] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.526149][ T4161] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.534115][ T4161] Call Trace: [ 62.537383][ T4161] [ 62.540306][ T4161] ? __warn+0x15b/0x300 [ 62.544462][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 62.549478][ T4161] ? report_bug+0x1b7/0x2e0 [ 62.553984][ T4161] ? handle_bug+0x3d/0x70 [ 62.558327][ T4161] ? exc_invalid_op+0x16/0x40 [ 62.563008][ T4161] ? asm_exc_invalid_op+0x16/0x20 [ 62.568028][ T4161] ? __set_page_dirty+0x413/0xd40 [ 62.573050][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 62.578080][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 62.583118][ T4161] ? page_mapping+0x312/0x440 [ 62.587799][ T4161] mark_buffer_dirty+0x2e4/0x4b0 [ 62.592734][ T4161] gfs2_unpin+0x11e/0xa50 [ 62.597065][ T4161] buf_lo_after_commit+0x14b/0x1a0 [ 62.602299][ T4161] ? buf_lo_before_commit+0xe0/0xe0 [ 62.607509][ T4161] gfs2_log_flush+0x11e0/0x2680 [ 62.612381][ T4161] ? gfs2_ail_empty_tr+0x310/0x310 [ 62.617482][ T4161] ? unregister_shrinker+0x266/0x320 [ 62.622761][ T4161] ? kfree+0x4a/0x270 [ 62.626755][ T4161] gfs2_kill_sb+0x50/0xd0 [ 62.631085][ T4161] deactivate_locked_super+0xa0/0x110 [ 62.636540][ T4161] cleanup_mnt+0x44e/0x500 [ 62.640950][ T4161] ? lockdep_hardirqs_on+0x94/0x130 [ 62.646143][ T4161] task_work_run+0x129/0x1a0 [ 62.650732][ T4161] do_exit+0x6a3/0x2480 [ 62.654886][ T4161] ? put_task_struct+0x80/0x80 [ 62.659676][ T4161] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 62.665687][ T4161] ? vtime_user_exit+0x2d1/0x400 [ 62.670636][ T4161] do_group_exit+0x144/0x310 [ 62.675250][ T4161] __x64_sys_exit_group+0x3b/0x40 [ 62.680272][ T4161] do_syscall_64+0x3b/0xb0 [ 62.684683][ T4161] ? clear_bhb_loop+0x15/0x70 [ 62.689374][ T4161] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 62.695300][ T4161] RIP: 0033:0x7f2fc2e2da49 [ 62.699718][ T4161] Code: Unable to access opcode bytes at RIP 0x7f2fc2e2da1f. [ 62.707089][ T4161] RSP: 002b:00007ffd730a3ba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 62.715614][ T4161] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2fc2e2da49 [ 62.723597][ T4161] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 62.731566][ T4161] RBP: 00007f2fc2ee22b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 62.739536][ T4161] R10: 00007ffd730a3ad0 R11: 0000000000000246 R12: 00007f2fc2ee22b0 [ 62.747504][ T4161] R13: 0000000000000000 R14: 00007f2fc2ee3020 R15: 00007f2fc2dfbf90 [ 62.755494][ T4161] [ 62.758525][ T4161] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 62.765798][ T4161] CPU: 0 PID: 4161 Comm: syz-executor412 Not tainted 5.15.172-syzkaller #0 [ 62.774374][ T4161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 62.784426][ T4161] Call Trace: [ 62.787700][ T4161] [ 62.790621][ T4161] dump_stack_lvl+0x1e3/0x2d0 [ 62.795320][ T4161] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 62.800953][ T4161] ? panic+0x860/0x860 [ 62.805019][ T4161] ? __set_page_dirty+0xa30/0xd40 [ 62.810151][ T4161] ? __set_page_dirty+0xa30/0xd40 [ 62.815306][ T4161] panic+0x318/0x860 [ 62.819215][ T4161] ? __warn+0x16a/0x300 [ 62.823379][ T4161] ? fb_is_primary_device+0xd0/0xd0 [ 62.828586][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 62.833797][ T4161] __warn+0x2b2/0x300 [ 62.837825][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 62.842865][ T4161] report_bug+0x1b7/0x2e0 [ 62.847324][ T4161] handle_bug+0x3d/0x70 [ 62.851487][ T4161] exc_invalid_op+0x16/0x40 [ 62.856004][ T4161] asm_exc_invalid_op+0x16/0x20 [ 62.860853][ T4161] RIP: 0010:__set_page_dirty+0xa69/0xd40 [ 62.866478][ T4161] Code: 0d d5 ff 49 ff cf e9 6b fc ff ff e8 81 0d d5 ff 48 ff cb e9 fb fb ff ff e8 74 0d d5 ff 48 ff cb e9 c9 fc ff ff e8 67 0d d5 ff <0f> 0b 43 80 3c 2f 00 0f 85 b1 f9 ff ff e9 b4 f9 ff ff 89 d9 80 e1 [ 62.886090][ T4161] RSP: 0018:ffffc90002df7990 EFLAGS: 00010093 [ 62.892151][ T4161] RAX: ffffffff81ab6639 RBX: ffff888145d9ceb0 RCX: ffff8880268c0000 [ 62.900153][ T4161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.908144][ T4161] RBP: 0000000000000000 R08: ffffffff81ab5fe3 R09: ffffed1028bb39d7 [ 62.916110][ T4161] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888145d9cd38 [ 62.924075][ T4161] R13: dffffc0000000000 R14: ffffea0001c69600 R15: 1ffff11028bb39d6 [ 62.932061][ T4161] ? __set_page_dirty+0x413/0xd40 [ 62.937099][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 62.942121][ T4161] ? page_mapping+0x312/0x440 [ 62.946798][ T4161] mark_buffer_dirty+0x2e4/0x4b0 [ 62.951868][ T4161] gfs2_unpin+0x11e/0xa50 [ 62.956244][ T4161] buf_lo_after_commit+0x14b/0x1a0 [ 62.961384][ T4161] ? buf_lo_before_commit+0xe0/0xe0 [ 62.966600][ T4161] gfs2_log_flush+0x11e0/0x2680 [ 62.971553][ T4161] ? gfs2_ail_empty_tr+0x310/0x310 [ 62.976659][ T4161] ? unregister_shrinker+0x266/0x320 [ 62.981977][ T4161] ? kfree+0x4a/0x270 [ 62.985988][ T4161] gfs2_kill_sb+0x50/0xd0 [ 62.990322][ T4161] deactivate_locked_super+0xa0/0x110 [ 62.995708][ T4161] cleanup_mnt+0x44e/0x500 [ 63.000118][ T4161] ? lockdep_hardirqs_on+0x94/0x130 [ 63.005320][ T4161] task_work_run+0x129/0x1a0 [ 63.009915][ T4161] do_exit+0x6a3/0x2480 [ 63.014094][ T4161] ? put_task_struct+0x80/0x80 [ 63.018856][ T4161] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 63.024848][ T4161] ? vtime_user_exit+0x2d1/0x400 [ 63.029792][ T4161] do_group_exit+0x144/0x310 [ 63.034481][ T4161] __x64_sys_exit_group+0x3b/0x40 [ 63.039515][ T4161] do_syscall_64+0x3b/0xb0 [ 63.043926][ T4161] ? clear_bhb_loop+0x15/0x70 [ 63.048596][ T4161] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.054487][ T4161] RIP: 0033:0x7f2fc2e2da49 [ 63.058897][ T4161] Code: Unable to access opcode bytes at RIP 0x7f2fc2e2da1f. [ 63.066328][ T4161] RSP: 002b:00007ffd730a3ba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 63.074749][ T4161] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2fc2e2da49 [ 63.082722][ T4161] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 63.090683][ T4161] RBP: 00007f2fc2ee22b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 63.098652][ T4161] R10: 00007ffd730a3ad0 R11: 0000000000000246 R12: 00007f2fc2ee22b0 [ 63.106633][ T4161] R13: 0000000000000000 R14: 00007f2fc2ee3020 R15: 00007f2fc2dfbf90 [ 63.114621][ T4161] [ 63.117917][ T4161] Kernel Offset: disabled [ 63.122398][ T4161] Rebooting in 86400 seconds..