Warning: Permanently added '10.128.1.9' (ED25519) to the list of known hosts. executing program syzkaller login: [ 51.524388][ T4161] loop0: detected capacity change from 0 to 32768 [ 51.624444][ T4161] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 51.632789][ T4161] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 51.659146][ T4161] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 51.669125][ T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 51.676396][ T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 51.713491][ T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 37ms [ 51.722718][ T24] gfs2: fsid=syz:syz.0: jid=0: Done [ 51.728046][ T4161] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 51.895644][ T4161] ------------[ cut here ]------------ [ 51.901203][ T4161] WARNING: CPU: 1 PID: 4161 at include/linux/backing-dev.h:288 __set_page_dirty+0xa69/0xd40 [ 51.911276][ T4161] Modules linked in: [ 51.915171][ T4161] CPU: 1 PID: 4161 Comm: syz-executor250 Not tainted 5.15.171-syzkaller #0 [ 51.923731][ T4161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 51.933759][ T4161] RIP: 0010:__set_page_dirty+0xa69/0xd40 [ 51.939455][ 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 [ 51.959034][ T4161] RSP: 0018:ffffc900030b7990 EFLAGS: 00010093 [ 51.965079][ T4161] RAX: ffffffff81ab6649 RBX: ffff88801749da70 RCX: ffff888028858000 [ 51.973025][ T4161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 51.980975][ T4161] RBP: 0000000000000000 R08: ffffffff81ab5ff3 R09: ffffed1002e93b4f [ 51.988925][ T4161] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801749d8f8 [ 51.996871][ T4161] R13: dffffc0000000000 R14: ffffea0001dbdf00 R15: 1ffff11002e93b4e [ 52.004817][ T4161] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 52.013719][ T4161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.020274][ T4161] CR2: 00005599c7281fa8 CR3: 000000001fada000 CR4: 00000000003506e0 [ 52.028222][ T4161] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.036357][ T4161] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.044313][ T4161] Call Trace: [ 52.047573][ T4161] [ 52.050482][ T4161] ? __warn+0x15b/0x300 [ 52.054632][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 52.059632][ T4161] ? report_bug+0x1b7/0x2e0 [ 52.064115][ T4161] ? handle_bug+0x3d/0x70 [ 52.068427][ T4161] ? exc_invalid_op+0x16/0x40 [ 52.073079][ T4161] ? asm_exc_invalid_op+0x16/0x20 [ 52.078087][ T4161] ? __set_page_dirty+0x413/0xd40 [ 52.083099][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 52.088099][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 52.093099][ T4161] ? page_mapping+0x312/0x440 [ 52.097755][ T4161] mark_buffer_dirty+0x2e4/0x4b0 [ 52.102669][ T4161] gfs2_unpin+0x11e/0xa50 [ 52.106977][ T4161] buf_lo_after_commit+0x14b/0x1a0 [ 52.112064][ T4161] ? buf_lo_before_commit+0xe0/0xe0 [ 52.117242][ T4161] gfs2_log_flush+0x11e0/0x2680 [ 52.122077][ T4161] ? gfs2_ail_empty_tr+0x310/0x310 [ 52.127161][ T4161] ? unregister_shrinker+0x266/0x320 [ 52.132421][ T4161] ? kfree+0x4a/0x270 [ 52.136399][ T4161] gfs2_kill_sb+0x50/0xd0 [ 52.140705][ T4161] deactivate_locked_super+0xa0/0x110 [ 52.146085][ T4161] cleanup_mnt+0x44e/0x500 [ 52.150476][ T4161] ? lockdep_hardirqs_on+0x94/0x130 [ 52.155648][ T4161] task_work_run+0x129/0x1a0 [ 52.160218][ T4161] do_exit+0x6a3/0x2480 [ 52.164355][ T4161] ? put_task_struct+0x80/0x80 [ 52.169097][ T4161] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 52.175056][ T4161] ? vtime_user_exit+0x2d1/0x400 [ 52.179971][ T4161] do_group_exit+0x144/0x310 [ 52.184538][ T4161] __x64_sys_exit_group+0x3b/0x40 [ 52.189537][ T4161] do_syscall_64+0x3b/0xb0 [ 52.193931][ T4161] ? clear_bhb_loop+0x15/0x70 [ 52.198584][ T4161] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 52.204464][ T4161] RIP: 0033:0x7fe6648d6a49 [ 52.208861][ T4161] Code: Unable to access opcode bytes at RIP 0x7fe6648d6a1f. [ 52.216201][ T4161] RSP: 002b:00007ffc7ee92298 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 52.224592][ T4161] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe6648d6a49 [ 52.232538][ T4161] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 52.240485][ T4161] RBP: 00007fe66498b2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 52.248431][ T4161] R10: 00007ffc7ee921c0 R11: 0000000000000246 R12: 00007fe66498b2b0 [ 52.256381][ T4161] R13: 0000000000000000 R14: 00007fe66498c020 R15: 00007fe6648a4f90 [ 52.264336][ T4161] [ 52.267331][ T4161] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 52.274586][ T4161] CPU: 1 PID: 4161 Comm: syz-executor250 Not tainted 5.15.171-syzkaller #0 [ 52.283142][ T4161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 52.293191][ T4161] Call Trace: [ 52.296466][ T4161] [ 52.299375][ T4161] dump_stack_lvl+0x1e3/0x2d0 [ 52.304037][ T4161] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 52.309661][ T4161] ? panic+0x860/0x860 [ 52.313730][ T4161] ? __set_page_dirty+0xa20/0xd40 [ 52.318734][ T4161] ? __set_page_dirty+0xa20/0xd40 [ 52.323751][ T4161] panic+0x318/0x860 [ 52.327638][ T4161] ? __warn+0x16a/0x300 [ 52.331786][ T4161] ? fb_is_primary_device+0xd0/0xd0 [ 52.336969][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 52.341969][ T4161] __warn+0x2b2/0x300 [ 52.346193][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 52.351193][ T4161] report_bug+0x1b7/0x2e0 [ 52.355507][ T4161] handle_bug+0x3d/0x70 [ 52.359637][ T4161] exc_invalid_op+0x16/0x40 [ 52.364115][ T4161] asm_exc_invalid_op+0x16/0x20 [ 52.368961][ T4161] RIP: 0010:__set_page_dirty+0xa69/0xd40 [ 52.374573][ 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 [ 52.394154][ T4161] RSP: 0018:ffffc900030b7990 EFLAGS: 00010093 [ 52.400199][ T4161] RAX: ffffffff81ab6649 RBX: ffff88801749da70 RCX: ffff888028858000 [ 52.408148][ T4161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 52.416114][ T4161] RBP: 0000000000000000 R08: ffffffff81ab5ff3 R09: ffffed1002e93b4f [ 52.424063][ T4161] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801749d8f8 [ 52.432011][ T4161] R13: dffffc0000000000 R14: ffffea0001dbdf00 R15: 1ffff11002e93b4e [ 52.439968][ T4161] ? __set_page_dirty+0x413/0xd40 [ 52.444973][ T4161] ? __set_page_dirty+0xa69/0xd40 [ 52.449982][ T4161] ? page_mapping+0x312/0x440 [ 52.454640][ T4161] mark_buffer_dirty+0x2e4/0x4b0 [ 52.459556][ T4161] gfs2_unpin+0x11e/0xa50 [ 52.463868][ T4161] buf_lo_after_commit+0x14b/0x1a0 [ 52.468953][ T4161] ? buf_lo_before_commit+0xe0/0xe0 [ 52.474124][ T4161] gfs2_log_flush+0x11e0/0x2680 [ 52.478977][ T4161] ? gfs2_ail_empty_tr+0x310/0x310 [ 52.484062][ T4161] ? unregister_shrinker+0x266/0x320 [ 52.489325][ T4161] ? kfree+0x4a/0x270 [ 52.493287][ T4161] gfs2_kill_sb+0x50/0xd0 [ 52.497609][ T4161] deactivate_locked_super+0xa0/0x110 [ 52.502985][ T4161] cleanup_mnt+0x44e/0x500 [ 52.507383][ T4161] ? lockdep_hardirqs_on+0x94/0x130 [ 52.512558][ T4161] task_work_run+0x129/0x1a0 [ 52.517130][ T4161] do_exit+0x6a3/0x2480 [ 52.521285][ T4161] ? put_task_struct+0x80/0x80 [ 52.526026][ T4161] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 52.531983][ T4161] ? vtime_user_exit+0x2d1/0x400 [ 52.536921][ T4161] do_group_exit+0x144/0x310 [ 52.541490][ T4161] __x64_sys_exit_group+0x3b/0x40 [ 52.546493][ T4161] do_syscall_64+0x3b/0xb0 [ 52.550886][ T4161] ? clear_bhb_loop+0x15/0x70 [ 52.555539][ T4161] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 52.561407][ T4161] RIP: 0033:0x7fe6648d6a49 [ 52.565796][ T4161] Code: Unable to access opcode bytes at RIP 0x7fe6648d6a1f. [ 52.573132][ T4161] RSP: 002b:00007ffc7ee92298 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 52.581779][ T4161] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe6648d6a49 [ 52.589726][ T4161] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 52.597671][ T4161] RBP: 00007fe66498b2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 52.605618][ T4161] R10: 00007ffc7ee921c0 R11: 0000000000000246 R12: 00007fe66498b2b0 [ 52.613562][ T4161] R13: 0000000000000000 R14: 00007fe66498c020 R15: 00007fe6648a4f90 [ 52.621519][ T4161] [ 52.624723][ T4161] Kernel Offset: disabled [ 52.629144][ T4161] Rebooting in 86400 seconds..