no interfaces have a carrier [ 49.357544][ T3839] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.381575][ T3839] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.232' (ED25519) to the list of known hosts. executing program syzkaller login: [ 74.881618][ T4166] loop0: detected capacity change from 0 to 32768 [ 74.971720][ T4166] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 74.985669][ T4166] gfs2: fsid=syz:syz: Now mounting FS (format 1802)... [ 75.007551][ T4166] gfs2: fsid=syz:syz.0: journal 0 mapped with 14 extents in 0ms [ 75.019258][ T1324] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 75.026761][ T1324] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 75.073732][ T1324] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 46ms [ 75.082717][ T1324] gfs2: fsid=syz:syz.0: jid=0: Done [ 75.090850][ T4166] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 75.233747][ T4166] ------------[ cut here ]------------ [ 75.240373][ T4166] WARNING: CPU: 1 PID: 4166 at include/linux/backing-dev.h:289 __set_page_dirty+0xaf5/0xdc0 [ 75.251525][ T4166] Modules linked in: [ 75.255751][ T4166] CPU: 1 PID: 4166 Comm: syz-executor387 Not tainted 5.15.182-syzkaller #0 [ 75.264705][ T4166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 75.275076][ T4166] RIP: 0010:__set_page_dirty+0xaf5/0xdc0 [ 75.281636][ T4166] 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 [ 75.307270][ T4166] RSP: 0018:ffffc90002cdf9b8 EFLAGS: 00010093 [ 75.316415][ T4166] RAX: ffffffff81a07dd5 RBX: 0000000000000000 RCX: ffff88807b62bb80 [ 75.326365][ T4166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 75.335928][ T4166] RBP: ffffea0001ced540 R08: dffffc0000000000 R09: ffffed1028bfe9d7 [ 75.355626][ T4166] R10: ffffed1028bfe9d7 R11: 1ffff11028bfe9d6 R12: ffff888145ff4d38 [ 75.365642][ T4166] R13: ffff888145ff4eb0 R14: 1ffff11028bfe9d6 R15: dffffc0000000000 [ 75.374310][ T4166] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 75.383610][ T4166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.391350][ T4166] CR2: 00007fa1e77c7130 CR3: 000000000be8e000 CR4: 00000000003506e0 [ 75.404428][ T4166] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.415402][ T4166] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.426261][ T4166] Call Trace: [ 75.429856][ T4166] [ 75.433091][ T4166] ? page_mapping+0x30e/0x440 [ 75.438183][ T4166] mark_buffer_dirty+0x2d7/0x490 [ 75.443544][ T4166] gfs2_unpin+0x126/0x9a0 [ 75.448947][ T4166] ? log_pull_tail+0x7f/0x370 [ 75.454537][ T4166] buf_lo_after_commit+0x15a/0x1a0 [ 75.460108][ T4166] ? buf_lo_before_commit+0xf0/0xf0 [ 75.466380][ T4166] gfs2_log_flush+0x1145/0x2610 [ 75.471954][ T4166] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 75.477342][ T4166] ? kfree+0x4a/0x2a0 [ 75.481670][ T4166] ? up_write+0x1bb/0x420 [ 75.486203][ T4166] gfs2_kill_sb+0x50/0xd0 [ 75.491458][ T4166] deactivate_locked_super+0x93/0xf0 [ 75.497459][ T4166] cleanup_mnt+0x418/0x4d0 [ 75.503471][ T4166] ? lockdep_hardirqs_on+0x94/0x140 [ 75.509106][ T4166] task_work_run+0x125/0x1a0 [ 75.513947][ T4166] do_exit+0x616/0x20a0 [ 75.518222][ T4166] ? put_task_struct+0x80/0x80 [ 75.523462][ T4166] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 75.529736][ T4166] ? lock_chain_count+0x20/0x20 [ 75.534685][ T4166] do_group_exit+0x12e/0x300 [ 75.540144][ T4166] __x64_sys_exit_group+0x3b/0x40 [ 75.545650][ T4166] do_syscall_64+0x4c/0xa0 [ 75.550919][ T4166] ? clear_bhb_loop+0x15/0x70 [ 75.558224][ T4166] ? clear_bhb_loop+0x15/0x70 [ 75.563883][ T4166] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.570262][ T4166] RIP: 0033:0x7fa1e773ab09 [ 75.575175][ T4166] Code: Unable to access opcode bytes at RIP 0x7fa1e773aadf. [ 75.583903][ T4166] RSP: 002b:00007fffe1b99798 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 75.594113][ T4166] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa1e773ab09 [ 75.604370][ T4166] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 75.613106][ T4166] RBP: 00007fa1e77c92b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 75.621461][ T4166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa1e77c92b0 [ 75.630246][ T4166] R13: 0000000000000000 R14: 00007fa1e77ca020 R15: 00007fa1e7709050 [ 75.638886][ T4166] [ 75.642093][ T4166] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.650054][ T4166] CPU: 1 PID: 4166 Comm: syz-executor387 Not tainted 5.15.182-syzkaller #0 [ 75.659306][ T4166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 75.670458][ T4166] Call Trace: [ 75.674277][ T4166] [ 75.677665][ T4166] dump_stack_lvl+0x168/0x230 [ 75.683027][ T4166] ? show_regs_print_info+0x20/0x20 [ 75.689541][ T4166] ? load_image+0x3b0/0x3b0 [ 75.694583][ T4166] panic+0x2c9/0x7f0 [ 75.698720][ T4166] ? bpf_jit_dump+0xd0/0xd0 [ 75.705070][ T4166] ? __set_page_dirty+0xaf5/0xdc0 [ 75.713017][ T4166] __warn+0x248/0x2b0 [ 75.718609][ T4166] ? __set_page_dirty+0xaf5/0xdc0 [ 75.725226][ T4166] report_bug+0x1b7/0x2e0 [ 75.730397][ T4166] handle_bug+0x3a/0x70 [ 75.737462][ T4166] exc_invalid_op+0x16/0x40 [ 75.742948][ T4166] asm_exc_invalid_op+0x16/0x20 [ 75.749408][ T4166] RIP: 0010:__set_page_dirty+0xaf5/0xdc0 [ 75.759945][ T4166] 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 [ 75.781454][ T4166] RSP: 0018:ffffc90002cdf9b8 EFLAGS: 00010093 [ 75.788278][ T4166] RAX: ffffffff81a07dd5 RBX: 0000000000000000 RCX: ffff88807b62bb80 [ 75.796807][ T4166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 75.806373][ T4166] RBP: ffffea0001ced540 R08: dffffc0000000000 R09: ffffed1028bfe9d7 [ 75.815075][ T4166] R10: ffffed1028bfe9d7 R11: 1ffff11028bfe9d6 R12: ffff888145ff4d38 [ 75.823863][ T4166] R13: ffff888145ff4eb0 R14: 1ffff11028bfe9d6 R15: dffffc0000000000 [ 75.833053][ T4166] ? __set_page_dirty+0xaf5/0xdc0 [ 75.838619][ T4166] ? __set_page_dirty+0xaf5/0xdc0 [ 75.844514][ T4166] ? page_mapping+0x30e/0x440 [ 75.849481][ T4166] mark_buffer_dirty+0x2d7/0x490 [ 75.854561][ T4166] gfs2_unpin+0x126/0x9a0 [ 75.859082][ T4166] ? log_pull_tail+0x7f/0x370 [ 75.864555][ T4166] buf_lo_after_commit+0x15a/0x1a0 [ 75.871540][ T4166] ? buf_lo_before_commit+0xf0/0xf0 [ 75.876877][ T4166] gfs2_log_flush+0x1145/0x2610 [ 75.882090][ T4166] ? gfs2_ail_empty_tr+0x2f0/0x2f0 [ 75.888270][ T4166] ? kfree+0x4a/0x2a0 [ 75.892803][ T4166] ? up_write+0x1bb/0x420 [ 75.898243][ T4166] gfs2_kill_sb+0x50/0xd0 [ 75.903791][ T4166] deactivate_locked_super+0x93/0xf0 [ 75.910058][ T4166] cleanup_mnt+0x418/0x4d0 [ 75.915194][ T4166] ? lockdep_hardirqs_on+0x94/0x140 [ 75.922827][ T4166] task_work_run+0x125/0x1a0 [ 75.928198][ T4166] do_exit+0x616/0x20a0 [ 75.935152][ T4166] ? put_task_struct+0x80/0x80 [ 75.941399][ T4166] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 75.950187][ T4166] ? lock_chain_count+0x20/0x20 [ 75.955922][ T4166] do_group_exit+0x12e/0x300 [ 75.960843][ T4166] __x64_sys_exit_group+0x3b/0x40 [ 75.965999][ T4166] do_syscall_64+0x4c/0xa0 [ 75.970535][ T4166] ? clear_bhb_loop+0x15/0x70 [ 75.975337][ T4166] ? clear_bhb_loop+0x15/0x70 [ 75.980198][ T4166] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 75.986730][ T4166] RIP: 0033:0x7fa1e773ab09 [ 75.991910][ T4166] Code: Unable to access opcode bytes at RIP 0x7fa1e773aadf. [ 76.002743][ T4166] RSP: 002b:00007fffe1b99798 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 76.012164][ T4166] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa1e773ab09 [ 76.020278][ T4166] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 76.029081][ T4166] RBP: 00007fa1e77c92b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 76.038297][ T4166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa1e77c92b0 [ 76.047902][ T4166] R13: 0000000000000000 R14: 00007fa1e77ca020 R15: 00007fa1e7709050 [ 76.056453][ T4166] [ 76.059905][ T4166] Kernel Offset: disabled [ 76.064937][ T4166] Rebooting in 86400 seconds..