Warning: Permanently added '[localhost]:36548' (ED25519) to the list of known hosts.
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syzkaller login: [ 78.434258][ T5308] loop0: detected capacity change from 0 to 32768
[ 78.454814][ T5308] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 78.473846][ T5308] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 78.510304][ T5308] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 78.523713][ T1358] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 78.534235][ T1358] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 78.598958][ T1358] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 64ms
[ 78.613145][ T1358] gfs2: fsid=syz:syz.0: jid=0: Done
[ 78.615605][ T5308] gfs2: fsid=syz:syz.0: first mount done, others may mount
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[ 86.711582][ T9] cfg80211: failed to load regulatory.db
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[ 109.028034][ T1037] ------------[ cut here ]------------
[ 109.030375][ T1037] WARNING: CPU: 0 PID: 1037 at ./include/linux/backing-dev.h:255 __folio_mark_dirty+0xa4f/0xeb0
[ 109.034066][ T1037] Modules linked in:
[ 109.035984][ T1037] CPU: 0 UID: 0 PID: 1037 Comm: kworker/u4:7 Not tainted 6.15.0-rc5-syzkaller-00123-g2c89c1b655c0 #0 PREEMPT(full)
[ 109.041913][ T1037] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 109.046374][ T1037] Workqueue: writeback wb_workfn (flush-7:0)
[ 109.049033][ T1037] RIP: 0010:__folio_mark_dirty+0xa4f/0xeb0
[ 109.051538][ T1037] Code: 48 c7 c7 80 39 74 8b e8 5f d5 8a ff 90 0f 0b 90 90 e9 9e f7 ff ff e8 00 79 c6 ff 90 0f 0b 90 e9 23 fe ff ff e8 f2 78 c6 ff 90 <0f> 0b 90 e9 3e fa ff ff 89 c2 80 e2 07 80 c2 03 38 ca 0f 8c b6 f7
[ 109.058879][ T1037] RSP: 0018:ffffc900025c6fe8 EFLAGS: 00010093
[ 109.061163][ T1037] RAX: ffffffff81f9575e RBX: ffffea00010d12c0 RCX: ffff888034ff2440
[ 109.064339][ T1037] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 109.067564][ T1037] RBP: 0000000000000001 R08: ffff88801c154cff R09: 1ffff1100382a99f
[ 109.070902][ T1037] R10: dffffc0000000000 R11: ffffed100382a9a0 R12: ffff88801c154b88
[ 109.074116][ T1037] R13: 1ffff1100382a99f R14: 0000000000000000 R15: ffff88801c154cf8
[ 109.077403][ T1037] FS: 0000000000000000(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000
[ 109.080866][ T1037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 109.083747][ T1037] CR2: 000055a31e0e0b18 CR3: 000000004140e000 CR4: 0000000000352ef0
[ 109.086917][ T1037] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 109.090105][ T1037] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 109.093326][ T1037] Call Trace:
[ 109.094510][ T1037]
[ 109.095645][ T1037] mark_buffer_dirty+0x271/0x410
[ 109.097720][ T1037] gfs2_unpin+0x125/0x9c0
[ 109.099456][ T1037] ? log_pull_tail+0x7f/0x380
[ 109.101332][ T1037] buf_lo_after_commit+0x15e/0x1b0
[ 109.103290][ T1037] ? __pfx_buf_lo_after_commit+0x10/0x10
[ 109.105702][ T1037] gfs2_log_flush+0x109f/0x24c0
[ 109.107766][ T1037] ? __pfx_gfs2_log_flush+0x10/0x10
[ 109.110032][ T1037] gfs2_write_inode+0x23f/0x3e0
[ 109.112102][ T1037] __writeback_single_inode+0x6ee/0xff0
[ 109.114490][ T1037] writeback_sb_inodes+0x6b5/0x1000
[ 109.116776][ T1037] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 109.119156][ T1037] ? __pfx_move_expired_inodes+0x10/0x10
[ 109.121634][ T1037] __writeback_inodes_wb+0x111/0x240
[ 109.124057][ T1037] wb_writeback+0x44f/0xaf0
[ 109.126078][ T1037] ? queue_io+0x331/0x590
[ 109.127978][ T1037] ? __pfx_wb_writeback+0x10/0x10
[ 109.130202][ T1037] wb_workfn+0xaef/0xef0
[ 109.132117][ T1037] ? __pfx_wb_workfn+0x10/0x10
[ 109.134304][ T1037] ? register_lock_class+0x51/0x320
[ 109.136647][ T1037] ? __lock_acquire+0xaac/0xd20
[ 109.138506][ T1037] ? process_scheduled_works+0x9ec/0x17a0
[ 109.140905][ T1037] ? _raw_spin_unlock_irq+0x23/0x50
[ 109.143294][ T1037] ? process_scheduled_works+0x9ec/0x17a0
[ 109.145644][ T1037] ? process_scheduled_works+0x9ec/0x17a0
[ 109.147959][ T1037] process_scheduled_works+0xadb/0x17a0
[ 109.150248][ T1037] ? __pfx_process_scheduled_works+0x10/0x10
[ 109.152858][ T1037] worker_thread+0x8a0/0xda0
[ 109.154760][ T1037] kthread+0x70e/0x8a0
[ 109.156571][ T1037] ? __pfx_worker_thread+0x10/0x10
[ 109.158817][ T1037] ? __pfx_kthread+0x10/0x10
[ 109.160612][ T1037] ? __pfx_kthread+0x10/0x10
[ 109.162569][ T1037] ? _raw_spin_unlock_irq+0x23/0x50
[ 109.165010][ T1037] ? lockdep_hardirqs_on+0x9c/0x150
[ 109.167221][ T1037] ? __pfx_kthread+0x10/0x10
[ 109.169211][ T1037] ret_from_fork+0x4b/0x80
[ 109.170977][ T1037] ? __pfx_kthread+0x10/0x10
[ 109.172622][ T1037] ret_from_fork_asm+0x1a/0x30
[ 109.174534][ T1037]
[ 109.175842][ T1037] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 109.178857][ T1037] CPU: 0 UID: 0 PID: 1037 Comm: kworker/u4:7 Not tainted 6.15.0-rc5-syzkaller-00123-g2c89c1b655c0 #0 PREEMPT(full)
[ 109.183815][ T1037] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 109.188293][ T1037] Workqueue: writeback wb_workfn (flush-7:0)
[ 109.191105][ T1037] Call Trace:
[ 109.192619][ T1037]
[ 109.194207][ T1037] dump_stack_lvl+0x99/0x250
[ 109.196339][ T1037] ? __asan_memcpy+0x40/0x70
[ 109.198192][ T1037] ? __pfx_dump_stack_lvl+0x10/0x10
[ 109.200238][ T1037] ? __pfx__printk+0x10/0x10
[ 109.201987][ T1037] panic+0x2db/0x790
[ 109.203317][ T1037] ? __pfx_panic+0x10/0x10
[ 109.204839][ T1037] ? show_trace_log_lvl+0x4fb/0x550
[ 109.206687][ T1037] ? ret_from_fork_asm+0x1a/0x30
[ 109.208512][ T1037] __warn+0x31b/0x4b0
[ 109.210102][ T1037] ? __folio_mark_dirty+0xa4f/0xeb0
[ 109.212082][ T1037] ? __folio_mark_dirty+0xa4f/0xeb0
[ 109.213943][ T1037] report_bug+0x2be/0x4f0
[ 109.215681][ T1037] ? __folio_mark_dirty+0xa4f/0xeb0
[ 109.217605][ T1037] ? __folio_mark_dirty+0xa4f/0xeb0
[ 109.219874][ T1037] ? __folio_mark_dirty+0xa51/0xeb0
[ 109.222154][ T1037] handle_bug+0x84/0x160
[ 109.224480][ T1037] exc_invalid_op+0x1a/0x50
[ 109.226904][ T1037] asm_exc_invalid_op+0x1a/0x20
[ 109.229262][ T1037] RIP: 0010:__folio_mark_dirty+0xa4f/0xeb0
[ 109.231759][ T1037] Code: 48 c7 c7 80 39 74 8b e8 5f d5 8a ff 90 0f 0b 90 90 e9 9e f7 ff ff e8 00 79 c6 ff 90 0f 0b 90 e9 23 fe ff ff e8 f2 78 c6 ff 90 <0f> 0b 90 e9 3e fa ff ff 89 c2 80 e2 07 80 c2 03 38 ca 0f 8c b6 f7
[ 109.239199][ T1037] RSP: 0018:ffffc900025c6fe8 EFLAGS: 00010093
[ 109.241525][ T1037] RAX: ffffffff81f9575e RBX: ffffea00010d12c0 RCX: ffff888034ff2440
[ 109.244835][ T1037] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 109.248311][ T1037] RBP: 0000000000000001 R08: ffff88801c154cff R09: 1ffff1100382a99f
[ 109.252505][ T1037] R10: dffffc0000000000 R11: ffffed100382a9a0 R12: ffff88801c154b88
[ 109.256410][ T1037] R13: 1ffff1100382a99f R14: 0000000000000000 R15: ffff88801c154cf8
[ 109.259713][ T1037] ? __folio_mark_dirty+0xa4e/0xeb0
[ 109.261931][ T1037] ? __folio_mark_dirty+0xa4e/0xeb0
[ 109.264361][ T1037] mark_buffer_dirty+0x271/0x410
[ 109.266589][ T1037] gfs2_unpin+0x125/0x9c0
[ 109.268332][ T1037] ? log_pull_tail+0x7f/0x380
[ 109.270290][ T1037] buf_lo_after_commit+0x15e/0x1b0
[ 109.272468][ T1037] ? __pfx_buf_lo_after_commit+0x10/0x10
[ 109.274905][ T1037] gfs2_log_flush+0x109f/0x24c0
[ 109.277032][ T1037] ? __pfx_gfs2_log_flush+0x10/0x10
[ 109.279235][ T1037] gfs2_write_inode+0x23f/0x3e0
[ 109.281347][ T1037] __writeback_single_inode+0x6ee/0xff0
[ 109.283753][ T1037] writeback_sb_inodes+0x6b5/0x1000
[ 109.285911][ T1037] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 109.288294][ T1037] ? __pfx_move_expired_inodes+0x10/0x10
[ 109.290642][ T1037] __writeback_inodes_wb+0x111/0x240
[ 109.292917][ T1037] wb_writeback+0x44f/0xaf0
[ 109.294864][ T1037] ? queue_io+0x331/0x590
[ 109.296707][ T1037] ? __pfx_wb_writeback+0x10/0x10
[ 109.298808][ T1037] wb_workfn+0xaef/0xef0
[ 109.300691][ T1037] ? __pfx_wb_workfn+0x10/0x10
[ 109.302668][ T1037] ? register_lock_class+0x51/0x320
[ 109.304795][ T1037] ? __lock_acquire+0xaac/0xd20
[ 109.306817][ T1037] ? process_scheduled_works+0x9ec/0x17a0
[ 109.309181][ T1037] ? _raw_spin_unlock_irq+0x23/0x50
[ 109.311385][ T1037] ? process_scheduled_works+0x9ec/0x17a0
[ 109.313758][ T1037] ? process_scheduled_works+0x9ec/0x17a0
[ 109.316072][ T1037] process_scheduled_works+0xadb/0x17a0
[ 109.318363][ T1037] ? __pfx_process_scheduled_works+0x10/0x10
[ 109.320720][ T1037] worker_thread+0x8a0/0xda0
[ 109.322509][ T1037] kthread+0x70e/0x8a0
[ 109.324145][ T1037] ? __pfx_worker_thread+0x10/0x10
[ 109.326113][ T1037] ? __pfx_kthread+0x10/0x10
[ 109.327740][ T1037] ? __pfx_kthread+0x10/0x10
[ 109.329345][ T1037] ? _raw_spin_unlock_irq+0x23/0x50
[ 109.331267][ T1037] ? lockdep_hardirqs_on+0x9c/0x150
[ 109.333140][ T1037] ? __pfx_kthread+0x10/0x10
[ 109.334843][ T1037] ret_from_fork+0x4b/0x80
[ 109.336674][ T1037] ? __pfx_kthread+0x10/0x10
[ 109.338627][ T1037] ret_from_fork_asm+0x1a/0x30
[ 109.340443][ T1037]
[ 109.341906][ T1037] Kernel Offset: disabled
[ 109.343864][ T1037] Rebooting in 86400 seconds..
VM DIAGNOSIS:
00:59:59 Registers:
info registers vcpu 0
CPU#0
RAX=0000000000000031 RBX=0000000000000031 RCX=0000000000000000 RDX=00000000000003f8
RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc900025c6790
R8 =ffff88801e208237 R9 =1ffff11003c41046 R10=dffffc0000000000 R11=ffffffff853db170
R12=dffffc0000000000 R13=ffffffff99846c44 R14=ffffffff99b4bbc0 R15=0000000000000000
RIP=ffffffff853db1ec RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 ffffffff 00c00000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 ffffffff 00c00000
FS =0000 0000000000000000 ffffffff 00c00000
GS =0000 ffff88808d6cc000 ffffffff 00c00000
LDT=0000 0000000000000000 ffffffff 00c00000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=000055a31e0e0b18 CR3=000000004140e000 CR4=00352ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000fffe0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
Opmask00=0000000000440401 Opmask01=0000000000000001 Opmask02=00000000fff7ffff Opmask03=0000000000000000
Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffe1c3fd680 0000003000000018
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fea6fcd2620 00007fea6fcc65d8
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fea6fcb7884 00007fea6fccb240
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 65723d73726f7272 6500747865003036 36396f7369007265 6c6c616b7a797300
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 40571856574a5757 4000515d40001513 131c4a564c005740 4949444e5f5c5600
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000