Warning: Permanently added '10.128.0.247' (ED25519) to the list of known hosts. executing program [ 59.849647][ T4164] loop0: detected capacity change from 0 to 32768 [ 59.912886][ T4164] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 59.921384][ T4164] gfs2: fsid=syz:syz: Now mounting FS (format 1802)... [ 59.943485][ T4164] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 59.954354][ T13] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 59.961410][ T13] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 59.999667][ T13] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 38ms [ 60.008107][ T13] gfs2: fsid=syz:syz.0: jid=0: Done [ 60.013455][ T4164] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 60.137468][ T4164] ------------[ cut here ]------------ [ 60.143297][ T4164] WARNING: CPU: 1 PID: 4164 at include/linux/backing-dev.h:289 __set_page_dirty+0xaf5/0xdc0 [ 60.153411][ T4164] Modules linked in: [ 60.157337][ T4164] CPU: 1 PID: 4164 Comm: syz-executor309 Not tainted 5.15.181-syzkaller #0 [ 60.165910][ T4164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 60.175981][ T4164] RIP: 0010:__set_page_dirty+0xaf5/0xdc0 [ 60.181618][ T4164] Code: 40 d7 ff 49 ff cf e9 5b fc ff ff e8 35 40 d7 ff 48 ff cb e9 e4 fb ff ff e8 28 40 d7 ff 48 ff cb e9 c4 fc ff ff e8 1b 40 d7 ff <0f> 0b 43 80 3c 3e 00 0f 85 8f f9 ff ff e9 92 f9 ff ff 89 d9 80 e1 [ 60.201212][ T4164] RSP: 0018:ffffc90002e4f9b8 EFLAGS: 00010093 [ 60.207266][ T4164] RAX: ffffffff81a07df5 RBX: 0000000000000000 RCX: ffff888026e1bb80 [ 60.215227][ T4164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.223270][ T4164] RBP: ffffea0001ed1140 R08: dffffc0000000000 R09: ffffed10281129d7 [ 60.231230][ T4164] R10: ffffed10281129d7 R11: 1ffff110281129d6 R12: ffff888140894d38 [ 60.239278][ T4164] R13: ffff888140894eb0 R14: 1ffff110281129d6 R15: dffffc0000000000 [ 60.247265][ T4164] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 60.256182][ T4164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.262752][ T4164] CR2: 0000559cec9a5db0 CR3: 000000007c9d7000 CR4: 00000000003506e0 [ 60.270715][ T4164] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.278671][ T4164] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.286631][ T4164] Call Trace: [ 60.289896][ T4164] [ 60.292813][ T4164] ? page_mapping+0x30e/0x440 [ 60.297484][ T4164] mark_buffer_dirty+0x2d7/0x490 [ 60.302412][ T4164] gfs2_unpin+0x126/0x9a0 [ 60.306739][ T4164] ? log_pull_tail+0x7f/0x370 [ 60.311420][ T4164] buf_lo_after_commit+0x15a/0x1a0 [ 60.316520][ T4164] ? buf_lo_before_commit+0xf0/0xf0 [ 60.321708][ T4164] gfs2_log_flush+0x1145/0x2610 [ 60.326567][ T4164] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 60.331666][ T4164] ? kfree+0x4a/0x2a0 [ 60.335635][ T4164] ? up_write+0x1bb/0x420 [ 60.339959][ T4164] gfs2_kill_sb+0x50/0xd0 [ 60.344276][ T4164] deactivate_locked_super+0x93/0xf0 [ 60.349548][ T4164] cleanup_mnt+0x418/0x4d0 [ 60.353955][ T4164] ? lockdep_hardirqs_on+0x94/0x140 [ 60.359154][ T4164] task_work_run+0x125/0x1a0 [ 60.363738][ T4164] do_exit+0x616/0x20a0 [ 60.367887][ T4164] ? put_task_struct+0x80/0x80 [ 60.372644][ T4164] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 60.378640][ T4164] ? lock_chain_count+0x20/0x20 [ 60.383487][ T4164] do_group_exit+0x12e/0x300 [ 60.388071][ T4164] __x64_sys_exit_group+0x3b/0x40 [ 60.393087][ T4164] do_syscall_64+0x4c/0xa0 [ 60.397492][ T4164] ? clear_bhb_loop+0x15/0x70 [ 60.402156][ T4164] ? clear_bhb_loop+0x15/0x70 [ 60.406831][ T4164] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.412723][ T4164] RIP: 0033:0x7f3a625ccb09 [ 60.417124][ T4164] Code: Unable to access opcode bytes at RIP 0x7f3a625ccadf. [ 60.424478][ T4164] RSP: 002b:00007fff0a1a6598 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 60.432878][ T4164] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3a625ccb09 [ 60.440864][ T4164] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 60.448823][ T4164] RBP: 00007f3a6265b2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 60.456800][ T4164] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3a6265b2b0 [ 60.464795][ T4164] R13: 0000000000000000 R14: 00007f3a6265c020 R15: 00007f3a6259b040 [ 60.473025][ T4164] [ 60.476060][ T4164] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 60.483342][ T4164] CPU: 1 PID: 4164 Comm: syz-executor309 Not tainted 5.15.181-syzkaller #0 [ 60.491924][ T4164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 60.501967][ T4164] Call Trace: [ 60.505243][ T4164] [ 60.508164][ T4164] dump_stack_lvl+0x168/0x230 [ 60.512836][ T4164] ? show_regs_print_info+0x20/0x20 [ 60.518027][ T4164] ? load_image+0x3b0/0x3b0 [ 60.522525][ T4164] panic+0x2c9/0x7f0 [ 60.526428][ T4164] ? bpf_jit_dump+0xd0/0xd0 [ 60.530928][ T4164] ? __set_page_dirty+0xaf5/0xdc0 [ 60.535941][ T4164] __warn+0x248/0x2b0 [ 60.539916][ T4164] ? __set_page_dirty+0xaf5/0xdc0 [ 60.544936][ T4164] report_bug+0x1b7/0x2e0 [ 60.549256][ T4164] handle_bug+0x3a/0x70 [ 60.553399][ T4164] exc_invalid_op+0x16/0x40 [ 60.557891][ T4164] asm_exc_invalid_op+0x16/0x20 [ 60.562731][ T4164] RIP: 0010:__set_page_dirty+0xaf5/0xdc0 [ 60.568355][ T4164] Code: 40 d7 ff 49 ff cf e9 5b fc ff ff e8 35 40 d7 ff 48 ff cb e9 e4 fb ff ff e8 28 40 d7 ff 48 ff cb e9 c4 fc ff ff e8 1b 40 d7 ff <0f> 0b 43 80 3c 3e 00 0f 85 8f f9 ff ff e9 92 f9 ff ff 89 d9 80 e1 [ 60.588420][ T4164] RSP: 0018:ffffc90002e4f9b8 EFLAGS: 00010093 [ 60.594592][ T4164] RAX: ffffffff81a07df5 RBX: 0000000000000000 RCX: ffff888026e1bb80 [ 60.603178][ T4164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.611148][ T4164] RBP: ffffea0001ed1140 R08: dffffc0000000000 R09: ffffed10281129d7 [ 60.619139][ T4164] R10: ffffed10281129d7 R11: 1ffff110281129d6 R12: ffff888140894d38 [ 60.627134][ T4164] R13: ffff888140894eb0 R14: 1ffff110281129d6 R15: dffffc0000000000 [ 60.635120][ T4164] ? __set_page_dirty+0xaf5/0xdc0 [ 60.640505][ T4164] ? __set_page_dirty+0xaf5/0xdc0 [ 60.645949][ T4164] ? page_mapping+0x30e/0x440 [ 60.650655][ T4164] mark_buffer_dirty+0x2d7/0x490 [ 60.655644][ T4164] gfs2_unpin+0x126/0x9a0 [ 60.659967][ T4164] ? log_pull_tail+0x7f/0x370 [ 60.664644][ T4164] buf_lo_after_commit+0x15a/0x1a0 [ 60.669752][ T4164] ? buf_lo_before_commit+0xf0/0xf0 [ 60.674967][ T4164] gfs2_log_flush+0x1145/0x2610 [ 60.680089][ T4164] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 60.685453][ T4164] ? kfree+0x4a/0x2a0 [ 60.689451][ T4164] ? up_write+0x1bb/0x420 [ 60.693798][ T4164] gfs2_kill_sb+0x50/0xd0 [ 60.698167][ T4164] deactivate_locked_super+0x93/0xf0 [ 60.703472][ T4164] cleanup_mnt+0x418/0x4d0 [ 60.707877][ T4164] ? lockdep_hardirqs_on+0x94/0x140 [ 60.713083][ T4164] task_work_run+0x125/0x1a0 [ 60.717665][ T4164] do_exit+0x616/0x20a0 [ 60.721817][ T4164] ? put_task_struct+0x80/0x80 [ 60.726588][ T4164] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 60.732564][ T4164] ? lock_chain_count+0x20/0x20 [ 60.737409][ T4164] do_group_exit+0x12e/0x300 [ 60.741997][ T4164] __x64_sys_exit_group+0x3b/0x40 [ 60.747015][ T4164] do_syscall_64+0x4c/0xa0 [ 60.751419][ T4164] ? clear_bhb_loop+0x15/0x70 [ 60.756081][ T4164] ? clear_bhb_loop+0x15/0x70 [ 60.760743][ T4164] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 60.766626][ T4164] RIP: 0033:0x7f3a625ccb09 [ 60.771031][ T4164] Code: Unable to access opcode bytes at RIP 0x7f3a625ccadf. [ 60.778387][ T4164] RSP: 002b:00007fff0a1a6598 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 60.786806][ T4164] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3a625ccb09 [ 60.794788][ T4164] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 60.802754][ T4164] RBP: 00007f3a6265b2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 60.810715][ T4164] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3a6265b2b0 [ 60.818675][ T4164] R13: 0000000000000000 R14: 00007f3a6265c020 R15: 00007f3a6259b040 [ 60.826646][ T4164] [ 60.829932][ T4164] Kernel Offset: disabled [ 60.834379][ T4164] Rebooting in 86400 seconds..