Warning: Permanently added '10.128.0.82' (ED25519) to the list of known hosts. executing program [ 91.073206][ T4172] loop0: detected capacity change from 0 to 32768 [ 91.148666][ T4172] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 91.159340][ T4172] gfs2: fsid=syz:syz: Now mounting FS (format 1802)... [ 91.186957][ T4172] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 91.203499][ T2259] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 91.213100][ T2259] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 91.291498][ T2259] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 78ms [ 91.302172][ T2259] gfs2: fsid=syz:syz.0: jid=0: Done [ 91.309474][ T4172] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 91.487680][ T4172] ------------[ cut here ]------------ [ 91.494183][ T4172] WARNING: CPU: 1 PID: 4172 at include/linux/backing-dev.h:289 __set_page_dirty+0xaf5/0xdc0 [ 91.507786][ T4172] Modules linked in: [ 91.513715][ T4172] CPU: 1 PID: 4172 Comm: syz-executor134 Not tainted 5.15.182-syzkaller #0 [ 91.525132][ T4172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 91.541398][ T4172] RIP: 0010:__set_page_dirty+0xaf5/0xdc0 [ 91.551791][ T4172] Code: 40 d7 ff 49 ff cf e9 5b fc ff ff e8 55 40 d7 ff 48 ff cb e9 e4 fb ff ff e8 48 40 d7 ff 48 ff cb e9 c4 fc ff ff e8 3b 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 [ 91.580696][ T4172] RSP: 0018:ffffc90002e7f9b8 EFLAGS: 00010093 [ 91.590586][ T4172] RAX: ffffffff81a07dd5 RBX: 0000000000000000 RCX: ffff8880799b3b80 [ 91.604637][ T4172] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 91.614744][ T4172] RBP: ffffea0001c866c0 R08: dffffc0000000000 R09: ffffed1028b45107 [ 91.626825][ T4172] R10: ffffed1028b45107 R11: 1ffff11028b45106 R12: ffff888145a286b8 [ 91.642178][ T4172] R13: ffff888145a28830 R14: 1ffff11028b45106 R15: dffffc0000000000 [ 91.655820][ T4172] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 91.667733][ T4172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.675508][ T4172] CR2: 00007fe188818130 CR3: 000000000be8e000 CR4: 00000000003506e0 [ 91.687727][ T4172] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.697103][ T4172] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.712221][ T4172] Call Trace: [ 91.716751][ T4172] [ 91.719949][ T4172] ? page_mapping+0x30e/0x440 [ 91.727369][ T4172] mark_buffer_dirty+0x2d7/0x490 [ 91.733596][ T4172] gfs2_unpin+0x126/0x9a0 [ 91.738679][ T4172] ? log_pull_tail+0x7f/0x370 [ 91.743929][ T4172] buf_lo_after_commit+0x15a/0x1a0 [ 91.750931][ T4172] ? buf_lo_before_commit+0xf0/0xf0 [ 91.758353][ T4172] gfs2_log_flush+0x1145/0x2610 [ 91.767950][ T4172] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 91.776649][ T4172] ? kfree+0x4a/0x2a0 [ 91.782958][ T4172] ? up_write+0x1bb/0x420 [ 91.790689][ T4172] gfs2_kill_sb+0x50/0xd0 [ 91.800939][ T4172] deactivate_locked_super+0x93/0xf0 [ 91.810091][ T4172] cleanup_mnt+0x418/0x4d0 [ 91.819902][ T4172] ? lockdep_hardirqs_on+0x94/0x140 [ 91.828279][ T4172] task_work_run+0x125/0x1a0 [ 91.835333][ T4172] do_exit+0x616/0x20a0 [ 91.842026][ T4172] ? put_task_struct+0x80/0x80 [ 91.849518][ T4172] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 91.860672][ T4172] ? lock_chain_count+0x20/0x20 [ 91.869140][ T4172] do_group_exit+0x12e/0x300 [ 91.876304][ T4172] __x64_sys_exit_group+0x3b/0x40 [ 91.882711][ T4172] do_syscall_64+0x4c/0xa0 [ 91.890394][ T4172] ? clear_bhb_loop+0x15/0x70 [ 91.896358][ T4172] ? clear_bhb_loop+0x15/0x70 [ 91.902193][ T4172] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 91.910448][ T4172] RIP: 0033:0x7fe18878bb09 [ 91.916895][ T4172] Code: Unable to access opcode bytes at RIP 0x7fe18878badf. [ 91.926777][ T4172] RSP: 002b:00007ffcc2d8adb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 91.939942][ T4172] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe18878bb09 [ 91.957188][ T4172] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 91.968230][ T4172] RBP: 00007fe18881a2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 91.978989][ T4172] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe18881a2b0 [ 91.988856][ T4172] R13: 0000000000000000 R14: 00007fe18881b020 R15: 00007fe18875a030 [ 92.000140][ T4172] [ 92.003775][ T4172] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 92.015498][ T4172] CPU: 1 PID: 4172 Comm: syz-executor134 Not tainted 5.15.182-syzkaller #0 [ 92.031048][ T4172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 92.046514][ T4172] Call Trace: [ 92.052805][ T4172] [ 92.055986][ T4172] dump_stack_lvl+0x168/0x230 [ 92.061875][ T4172] ? show_regs_print_info+0x20/0x20 [ 92.068999][ T4172] ? load_image+0x3b0/0x3b0 [ 92.077347][ T4172] panic+0x2c9/0x7f0 [ 92.083489][ T4172] ? bpf_jit_dump+0xd0/0xd0 [ 92.091392][ T4172] ? __set_page_dirty+0xaf5/0xdc0 [ 92.099171][ T4172] __warn+0x248/0x2b0 [ 92.104644][ T4172] ? __set_page_dirty+0xaf5/0xdc0 [ 92.110581][ T4172] report_bug+0x1b7/0x2e0 [ 92.116984][ T4172] handle_bug+0x3a/0x70 [ 92.123092][ T4172] exc_invalid_op+0x16/0x40 [ 92.134360][ T4172] asm_exc_invalid_op+0x16/0x20 [ 92.140255][ T4172] RIP: 0010:__set_page_dirty+0xaf5/0xdc0 [ 92.148394][ T4172] Code: 40 d7 ff 49 ff cf e9 5b fc ff ff e8 55 40 d7 ff 48 ff cb e9 e4 fb ff ff e8 48 40 d7 ff 48 ff cb e9 c4 fc ff ff e8 3b 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 [ 92.176381][ T4172] RSP: 0018:ffffc90002e7f9b8 EFLAGS: 00010093 [ 92.184175][ T4172] RAX: ffffffff81a07dd5 RBX: 0000000000000000 RCX: ffff8880799b3b80 [ 92.195036][ T4172] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 92.205150][ T4172] RBP: ffffea0001c866c0 R08: dffffc0000000000 R09: ffffed1028b45107 [ 92.218127][ T4172] R10: ffffed1028b45107 R11: 1ffff11028b45106 R12: ffff888145a286b8 [ 92.230165][ T4172] R13: ffff888145a28830 R14: 1ffff11028b45106 R15: dffffc0000000000 [ 92.242907][ T4172] ? __set_page_dirty+0xaf5/0xdc0 [ 92.251523][ T4172] ? __set_page_dirty+0xaf5/0xdc0 [ 92.258215][ T4172] ? page_mapping+0x30e/0x440 [ 92.264330][ T4172] mark_buffer_dirty+0x2d7/0x490 [ 92.274812][ T4172] gfs2_unpin+0x126/0x9a0 [ 92.281243][ T4172] ? log_pull_tail+0x7f/0x370 [ 92.287256][ T4172] buf_lo_after_commit+0x15a/0x1a0 [ 92.294517][ T4172] ? buf_lo_before_commit+0xf0/0xf0 [ 92.300401][ T4172] gfs2_log_flush+0x1145/0x2610 [ 92.307184][ T4172] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 92.315406][ T4172] ? kfree+0x4a/0x2a0 [ 92.322161][ T4172] ? up_write+0x1bb/0x420 [ 92.329227][ T4172] gfs2_kill_sb+0x50/0xd0 [ 92.336659][ T4172] deactivate_locked_super+0x93/0xf0 [ 92.344436][ T4172] cleanup_mnt+0x418/0x4d0 [ 92.353249][ T4172] ? lockdep_hardirqs_on+0x94/0x140 [ 92.359727][ T4172] task_work_run+0x125/0x1a0 [ 92.366498][ T4172] do_exit+0x616/0x20a0 [ 92.374086][ T4172] ? put_task_struct+0x80/0x80 [ 92.380270][ T4172] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 92.391693][ T4172] ? lock_chain_count+0x20/0x20 [ 92.398937][ T4172] do_group_exit+0x12e/0x300 [ 92.405101][ T4172] __x64_sys_exit_group+0x3b/0x40 [ 92.413996][ T4172] do_syscall_64+0x4c/0xa0 [ 92.420625][ T4172] ? clear_bhb_loop+0x15/0x70 [ 92.430498][ T4172] ? clear_bhb_loop+0x15/0x70 [ 92.438188][ T4172] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 92.449750][ T4172] RIP: 0033:0x7fe18878bb09 [ 92.462038][ T4172] Code: Unable to access opcode bytes at RIP 0x7fe18878badf. [ 92.482953][ T4172] RSP: 002b:00007ffcc2d8adb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 92.496063][ T4172] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe18878bb09 [ 92.508023][ T4172] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 92.520110][ T4172] RBP: 00007fe18881a2b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 92.534684][ T4172] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe18881a2b0 [ 92.546707][ T4172] R13: 0000000000000000 R14: 00007fe18881b020 R15: 00007fe18875a030 [ 92.558157][ T4172] [ 92.563105][ T4172] Kernel Offset: disabled [ 92.572001][ T4172] Rebooting in 86400 seconds..