syzkaller login: [ 81.466425][ T1107] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts.
executing program
[ 83.431337][ T4174] loop0: detected capacity change from 0 to 32768
[ 83.481244][ T4174] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 83.489837][ T4174] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 83.521328][ T4174] gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms
[ 83.531804][ T13] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 83.538886][ T13] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 83.608254][ T13] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 69ms
[ 83.616232][ T13] gfs2: fsid=syz:syz.0: jid=0: Done
[ 83.621857][ T4174] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 83.818209][ T4174] ------------[ cut here ]------------
[ 83.823885][ T4174] WARNING: CPU: 1 PID: 4174 at include/linux/backing-dev.h:289 __set_page_dirty+0xaf5/0xdc0
[ 83.834011][ T4174] Modules linked in:
[ 83.837936][ T4174] CPU: 1 PID: 4174 Comm: syz-executor276 Not tainted 5.15.182-syzkaller #0
[ 83.846548][ T4174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[ 83.856611][ T4174] RIP: 0010:__set_page_dirty+0xaf5/0xdc0
[ 83.862257][ T4174] 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
[ 83.881867][ T4174] RSP: 0018:ffffc90002e4f9b8 EFLAGS: 00010093
[ 83.887946][ T4174] RAX: ffffffff81a07dd5 RBX: 0000000000000000 RCX: ffff88807c5a3b80
[ 83.895912][ T4174] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 83.903880][ T4174] RBP: ffffea0001f83800 R08: dffffc0000000000 R09: ffffed1028123b4f
[ 83.911992][ T4174] R10: ffffed1028123b4f R11: 1ffff11028123b4e R12: ffff88814091d8f8
[ 83.919965][ T4174] R13: ffff88814091da70 R14: 1ffff11028123b4e R15: dffffc0000000000
[ 83.927940][ T4174] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 83.936869][ T4174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 83.943444][ T4174] CR2: 00007f45d8d5a130 CR3: 000000007c40d000 CR4: 00000000003506e0
[ 83.951416][ T4174] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 83.959421][ T4174] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 83.967552][ T4174] Call Trace:
[ 83.970947][ T4174]
[ 83.973886][ T4174] ? page_mapping+0x30e/0x440
[ 83.978583][ T4174] mark_buffer_dirty+0x2d7/0x490
[ 83.983520][ T4174] gfs2_unpin+0x126/0x9a0
[ 83.987862][ T4174] ? log_pull_tail+0x7f/0x370
[ 83.992568][ T4174] buf_lo_after_commit+0x15a/0x1a0
[ 83.997689][ T4174] ? buf_lo_before_commit+0xf0/0xf0
[ 84.002894][ T4174] gfs2_log_flush+0x1145/0x2610
[ 84.007791][ T4174] ? gfs2_ail_empty_tr+0x2f0/0x2f0
[ 84.012907][ T4174] ? kfree+0x4a/0x2a0
[ 84.016921][ T4174] ? up_write+0x1bb/0x420
[ 84.021265][ T4174] gfs2_kill_sb+0x50/0xd0
[ 84.025611][ T4174] deactivate_locked_super+0x93/0xf0
[ 84.030953][ T4174] cleanup_mnt+0x418/0x4d0
[ 84.035398][ T4174] ? lockdep_hardirqs_on+0x94/0x140
[ 84.040639][ T4174] task_work_run+0x125/0x1a0
[ 84.045256][ T4174] do_exit+0x616/0x20a0
[ 84.049544][ T4174] ? put_task_struct+0x80/0x80
[ 84.054326][ T4174] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 84.060481][ T4174] ? lock_chain_count+0x20/0x20
[ 84.065334][ T4174] do_group_exit+0x12e/0x300
[ 84.069953][ T4174] __x64_sys_exit_group+0x3b/0x40
[ 84.074978][ T4174] do_syscall_64+0x4c/0xa0
[ 84.079391][ T4174] ? clear_bhb_loop+0x15/0x70
[ 84.084060][ T4174] ? clear_bhb_loop+0x15/0x70
[ 84.088737][ T4174] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 84.094630][ T4174] RIP: 0033:0x7f45d8ca80c9
[ 84.099037][ T4174] Code: Unable to access opcode bytes at RIP 0x7f45d8ca809f.
[ 84.106391][ T4174] RSP: 002b:00007ffc5b7bdc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 84.114820][ T4174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f45d8ca80c9
[ 84.122803][ T4174] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 84.130774][ T4174] RBP: 00007f45d8d5c2b0 R08: ffffffffffffffb8 R09: 00007f45d8cf3174
[ 84.138744][ T4174] R10: 0000555563d61368 R11: 0000000000000246 R12: 00007f45d8d5c2b0
[ 84.146720][ T4174] R13: 0000000000000000 R14: 00007f45d8d5d020 R15: 00007f45d8c763e0
[ 84.154705][ T4174]
[ 84.157724][ T4174] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 84.164997][ T4174] CPU: 1 PID: 4174 Comm: syz-executor276 Not tainted 5.15.182-syzkaller #0
[ 84.173570][ T4174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[ 84.183625][ T4174] Call Trace:
[ 84.186897][ T4174]
[ 84.189818][ T4174] dump_stack_lvl+0x168/0x230
[ 84.194496][ T4174] ? show_regs_print_info+0x20/0x20
[ 84.199693][ T4174] ? load_image+0x3b0/0x3b0
[ 84.204201][ T4174] panic+0x2c9/0x7f0
[ 84.208095][ T4174] ? bpf_jit_dump+0xd0/0xd0
[ 84.212616][ T4174] ? __set_page_dirty+0xaf5/0xdc0
[ 84.217638][ T4174] __warn+0x248/0x2b0
[ 84.221632][ T4174] ? __set_page_dirty+0xaf5/0xdc0
[ 84.226651][ T4174] report_bug+0x1b7/0x2e0
[ 84.230974][ T4174] handle_bug+0x3a/0x70
[ 84.235226][ T4174] exc_invalid_op+0x16/0x40
[ 84.239729][ T4174] asm_exc_invalid_op+0x16/0x20
[ 84.244583][ T4174] RIP: 0010:__set_page_dirty+0xaf5/0xdc0
[ 84.250234][ T4174] 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
[ 84.269841][ T4174] RSP: 0018:ffffc90002e4f9b8 EFLAGS: 00010093
[ 84.275911][ T4174] RAX: ffffffff81a07dd5 RBX: 0000000000000000 RCX: ffff88807c5a3b80
[ 84.283991][ T4174] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 84.292101][ T4174] RBP: ffffea0001f83800 R08: dffffc0000000000 R09: ffffed1028123b4f
[ 84.300083][ T4174] R10: ffffed1028123b4f R11: 1ffff11028123b4e R12: ffff88814091d8f8
[ 84.308070][ T4174] R13: ffff88814091da70 R14: 1ffff11028123b4e R15: dffffc0000000000
[ 84.316052][ T4174] ? __set_page_dirty+0xaf5/0xdc0
[ 84.321240][ T4174] ? __set_page_dirty+0xaf5/0xdc0
[ 84.326280][ T4174] ? page_mapping+0x30e/0x440
[ 84.330967][ T4174] mark_buffer_dirty+0x2d7/0x490
[ 84.335905][ T4174] gfs2_unpin+0x126/0x9a0
[ 84.340229][ T4174] ? log_pull_tail+0x7f/0x370
[ 84.344999][ T4174] buf_lo_after_commit+0x15a/0x1a0
[ 84.350125][ T4174] ? buf_lo_before_commit+0xf0/0xf0
[ 84.355330][ T4174] gfs2_log_flush+0x1145/0x2610
[ 84.360248][ T4174] ? gfs2_ail_empty_tr+0x2f0/0x2f0
[ 84.365354][ T4174] ? kfree+0x4a/0x2a0
[ 84.369327][ T4174] ? up_write+0x1bb/0x420
[ 84.373650][ T4174] gfs2_kill_sb+0x50/0xd0
[ 84.377970][ T4174] deactivate_locked_super+0x93/0xf0
[ 84.383248][ T4174] cleanup_mnt+0x418/0x4d0
[ 84.387655][ T4174] ? lockdep_hardirqs_on+0x94/0x140
[ 84.392858][ T4174] task_work_run+0x125/0x1a0
[ 84.397449][ T4174] do_exit+0x616/0x20a0
[ 84.401637][ T4174] ? put_task_struct+0x80/0x80
[ 84.406397][ T4174] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 84.412474][ T4174] ? lock_chain_count+0x20/0x20
[ 84.417322][ T4174] do_group_exit+0x12e/0x300
[ 84.421914][ T4174] __x64_sys_exit_group+0x3b/0x40
[ 84.426931][ T4174] do_syscall_64+0x4c/0xa0
[ 84.431348][ T4174] ? clear_bhb_loop+0x15/0x70
[ 84.436028][ T4174] ? clear_bhb_loop+0x15/0x70
[ 84.440703][ T4174] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 84.446595][ T4174] RIP: 0033:0x7f45d8ca80c9
[ 84.451003][ T4174] Code: Unable to access opcode bytes at RIP 0x7f45d8ca809f.
[ 84.458360][ T4174] RSP: 002b:00007ffc5b7bdc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 84.466785][ T4174] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f45d8ca80c9
[ 84.474841][ T4174] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 84.482810][ T4174] RBP: 00007f45d8d5c2b0 R08: ffffffffffffffb8 R09: 00007f45d8cf3174
[ 84.490781][ T4174] R10: 0000555563d61368 R11: 0000000000000246 R12: 00007f45d8d5c2b0
[ 84.498755][ T4174] R13: 0000000000000000 R14: 00007f45d8d5d020 R15: 00007f45d8c763e0
[ 84.506738][ T4174]
[ 84.510026][ T4174] Kernel Offset: disabled
[ 84.514474][ T4174] Rebooting in 86400 seconds..