Warning: Permanently added '10.128.10.25' (ED25519) to the list of known hosts. executing program [ 63.584840][ T4167] loop0: detected capacity change from 0 to 32768 [ 63.635333][ T4167] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 63.655449][ T4167] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 63.686643][ T4167] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms [ 63.698342][ T21] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 63.705285][ T21] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 63.762306][ T21] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 57ms [ 63.770358][ T21] gfs2: fsid=syz:syz.0: jid=0: Done [ 63.775732][ T4167] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 63.964318][ T4167] ------------[ cut here ]------------ [ 63.973425][ T4167] WARNING: CPU: 1 PID: 4167 at include/linux/backing-dev.h:289 __set_page_dirty+0xaf5/0xdc0 [ 63.983568][ T4167] Modules linked in: [ 63.987578][ T4167] CPU: 1 PID: 4167 Comm: syz-executor361 Not tainted 5.15.185-syzkaller #0 [ 63.996180][ T4167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 64.006267][ T4167] RIP: 0010:__set_page_dirty+0xaf5/0xdc0 [ 64.012014][ T4167] Code: 3c d7 ff 49 ff cf e9 5b fc ff ff e8 85 3c d7 ff 48 ff cb e9 e4 fb ff ff e8 78 3c d7 ff 48 ff cb e9 c4 fc ff ff e8 6b 3c d7 ff <0f> 0b 43 80 3c 3e 00 0f 85 8f f9 ff ff e9 92 f9 ff ff 89 d9 80 e1 [ 64.031802][ T4167] RSP: 0018:ffffc90002f9f9b8 EFLAGS: 00010093 [ 64.037886][ T4167] RAX: ffffffff81a085b5 RBX: 0000000000000000 RCX: ffff8880755d8000 [ 64.045867][ T4167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.053844][ T4167] RBP: ffffea0001d39740 R08: dffffc0000000000 R09: ffffed1002d8b9d7 [ 64.062032][ T4167] R10: ffffed1002d8b9d7 R11: 1ffff11002d8b9d6 R12: ffff888016c5cd38 [ 64.070137][ T4167] R13: ffff888016c5ceb0 R14: 1ffff11002d8b9d6 R15: dffffc0000000000 [ 64.078126][ T4167] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 64.087066][ T4167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.093657][ T4167] CR2: 00007ff41a722130 CR3: 0000000024933000 CR4: 00000000003506e0 [ 64.101640][ T4167] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.109621][ T4167] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.117599][ T4167] Call Trace: [ 64.120883][ T4167] [ 64.123830][ T4167] ? page_mapping+0x30e/0x440 [ 64.128516][ T4167] mark_buffer_dirty+0x2d7/0x490 [ 64.133466][ T4167] gfs2_unpin+0x126/0x9a0 [ 64.137802][ T4167] ? log_pull_tail+0x7f/0x370 [ 64.142493][ T4167] buf_lo_after_commit+0x15a/0x1a0 [ 64.147613][ T4167] ? buf_lo_before_commit+0xf0/0xf0 [ 64.152819][ T4167] gfs2_log_flush+0x1145/0x2610 [ 64.157792][ T4167] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 64.162914][ T4167] ? kfree+0x4a/0x2a0 [ 64.166913][ T4167] ? up_write+0x1bb/0x420 [ 64.171261][ T4167] gfs2_kill_sb+0x50/0xd0 [ 64.175616][ T4167] deactivate_locked_super+0x93/0xf0 [ 64.180911][ T4167] cleanup_mnt+0x418/0x4d0 [ 64.185370][ T4167] ? lockdep_hardirqs_on+0x94/0x140 [ 64.190803][ T4167] task_work_run+0x125/0x1a0 [ 64.195431][ T4167] do_exit+0x616/0x20a0 [ 64.199715][ T4167] ? put_task_struct+0x80/0x80 [ 64.204499][ T4167] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 64.210496][ T4167] ? lock_chain_count+0x20/0x20 [ 64.215444][ T4167] do_group_exit+0x12e/0x300 [ 64.220062][ T4167] __x64_sys_exit_group+0x3b/0x40 [ 64.225100][ T4167] do_syscall_64+0x4c/0xa0 [ 64.229570][ T4167] ? clear_bhb_loop+0x30/0x80 [ 64.234276][ T4167] ? clear_bhb_loop+0x30/0x80 [ 64.238970][ T4167] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.244909][ T4167] RIP: 0033:0x7ff41a66fb09 [ 64.249336][ T4167] Code: Unable to access opcode bytes at RIP 0x7ff41a66fadf. [ 64.257234][ T4167] RSP: 002b:00007fffb5d70648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 64.265659][ T4167] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff41a66fb09 [ 64.273654][ T4167] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 64.281633][ T4167] RBP: 00007ff41a7242b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 64.289612][ T4167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff41a7242b0 [ 64.297768][ T4167] R13: 0000000000000000 R14: 00007ff41a725020 R15: 00007ff41a63e060 [ 64.305766][ T4167] [ 64.308804][ T4167] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 64.316085][ T4167] CPU: 1 PID: 4167 Comm: syz-executor361 Not tainted 5.15.185-syzkaller #0 [ 64.324858][ T4167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 64.335200][ T4167] Call Trace: [ 64.338663][ T4167] [ 64.341605][ T4167] dump_stack_lvl+0x168/0x230 [ 64.346304][ T4167] ? show_regs_print_info+0x20/0x20 [ 64.351513][ T4167] ? load_image+0x3b0/0x3b0 [ 64.356039][ T4167] panic+0x2c9/0x7f0 [ 64.359952][ T4167] ? bpf_jit_dump+0xd0/0xd0 [ 64.364475][ T4167] ? __set_page_dirty+0xaf5/0xdc0 [ 64.369513][ T4167] __warn+0x248/0x2b0 [ 64.373512][ T4167] ? __set_page_dirty+0xaf5/0xdc0 [ 64.378646][ T4167] report_bug+0x1b7/0x2e0 [ 64.382989][ T4167] handle_bug+0x3a/0x70 [ 64.387154][ T4167] exc_invalid_op+0x16/0x40 [ 64.391675][ T4167] asm_exc_invalid_op+0x16/0x20 [ 64.396538][ T4167] RIP: 0010:__set_page_dirty+0xaf5/0xdc0 [ 64.402192][ T4167] Code: 3c d7 ff 49 ff cf e9 5b fc ff ff e8 85 3c d7 ff 48 ff cb e9 e4 fb ff ff e8 78 3c d7 ff 48 ff cb e9 c4 fc ff ff e8 6b 3c d7 ff <0f> 0b 43 80 3c 3e 00 0f 85 8f f9 ff ff e9 92 f9 ff ff 89 d9 80 e1 [ 64.421987][ T4167] RSP: 0018:ffffc90002f9f9b8 EFLAGS: 00010093 [ 64.428081][ T4167] RAX: ffffffff81a085b5 RBX: 0000000000000000 RCX: ffff8880755d8000 [ 64.436149][ T4167] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.444151][ T4167] RBP: ffffea0001d39740 R08: dffffc0000000000 R09: ffffed1002d8b9d7 [ 64.452134][ T4167] R10: ffffed1002d8b9d7 R11: 1ffff11002d8b9d6 R12: ffff888016c5cd38 [ 64.460116][ T4167] R13: ffff888016c5ceb0 R14: 1ffff11002d8b9d6 R15: dffffc0000000000 [ 64.468109][ T4167] ? __set_page_dirty+0xaf5/0xdc0 [ 64.473261][ T4167] ? __set_page_dirty+0xaf5/0xdc0 [ 64.478306][ T4167] ? page_mapping+0x30e/0x440 [ 64.483001][ T4167] mark_buffer_dirty+0x2d7/0x490 [ 64.487954][ T4167] gfs2_unpin+0x126/0x9a0 [ 64.492295][ T4167] ? log_pull_tail+0x7f/0x370 [ 64.496992][ T4167] buf_lo_after_commit+0x15a/0x1a0 [ 64.502121][ T4167] ? buf_lo_before_commit+0xf0/0xf0 [ 64.507343][ T4167] gfs2_log_flush+0x1145/0x2610 [ 64.512220][ T4167] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 64.517345][ T4167] ? kfree+0x4a/0x2a0 [ 64.521340][ T4167] ? up_write+0x1bb/0x420 [ 64.525691][ T4167] gfs2_kill_sb+0x50/0xd0 [ 64.530212][ T4167] deactivate_locked_super+0x93/0xf0 [ 64.535514][ T4167] cleanup_mnt+0x418/0x4d0 [ 64.539945][ T4167] ? lockdep_hardirqs_on+0x94/0x140 [ 64.545190][ T4167] task_work_run+0x125/0x1a0 [ 64.549796][ T4167] do_exit+0x616/0x20a0 [ 64.553973][ T4167] ? put_task_struct+0x80/0x80 [ 64.559011][ T4167] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 64.565002][ T4167] ? lock_chain_count+0x20/0x20 [ 64.569869][ T4167] do_group_exit+0x12e/0x300 [ 64.574653][ T4167] __x64_sys_exit_group+0x3b/0x40 [ 64.579947][ T4167] do_syscall_64+0x4c/0xa0 [ 64.584396][ T4167] ? clear_bhb_loop+0x30/0x80 [ 64.589088][ T4167] ? clear_bhb_loop+0x30/0x80 [ 64.594055][ T4167] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.599965][ T4167] RIP: 0033:0x7ff41a66fb09 [ 64.604472][ T4167] Code: Unable to access opcode bytes at RIP 0x7ff41a66fadf. [ 64.611874][ T4167] RSP: 002b:00007fffb5d70648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 64.620302][ T4167] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff41a66fb09 [ 64.628281][ T4167] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 64.636345][ T4167] RBP: 00007ff41a7242b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 64.644325][ T4167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff41a7242b0 [ 64.652303][ T4167] R13: 0000000000000000 R14: 00007ff41a725020 R15: 00007ff41a63e060 [ 64.660475][ T4167] [ 64.663597][ T4167] Kernel Offset: disabled [ 64.668078][ T4167] Rebooting in 86400 seconds..