syzkaller login: [ 91.781362][ T57] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:62420' (ED25519) to the list of known hosts.
executing program
[ 193.038651][ T5342] loop0: detected capacity change from 0 to 32768
[ 193.066948][ T5342] bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got should be
[ 193.194988][ T5342] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): Using encoding defined by superblock: utf8-12.1.0
[ 193.238694][ T5342] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,version_upgrade=none
[ 193.238694][ T5342] allowing incompatible features above 0.0: (unknown version)
[ 193.258204][ T5342] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[ 193.300336][ T5342] bcachefs (loop0): accounting_read... done
[ 193.304245][ T5342] bcachefs (loop0): alloc_read... done
[ 193.308117][ T5342] bcachefs (loop0): snapshots_read... done
[ 434.811974][ T26] INFO: task syz-executor567:5342 blocked for more than 143 seconds.
[ 434.815406][ T26] Not tainted 6.15.0-rc6-syzkaller-00208-g3c21441eeffc #0
[ 434.819661][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 434.838217][ T26] task:syz-executor567 state:D stack:21192 pid:5342 tgid:5342 ppid:5341 task_flags:0x400140 flags:0x00004006
[ 434.843111][ T26] Call Trace:
[ 434.844440][ T26]
[ 434.845627][ T26] __schedule+0x16e2/0x4cd0
[ 434.847785][ T26] ? __kasan_slab_free+0x62/0x70
[ 434.849749][ T26] ? bch2_set_nr_journal_buckets_loop+0x1251/0x16d0
[ 434.852887][ T26] ? bch2_fs_journal_alloc+0x13d/0x280
[ 434.855108][ T26] ? bch2_run_recovery_pass+0xe2/0x1d0
[ 434.857200][ T26] ? bch2_fs_recovery+0x2399/0x37b0
[ 434.859285][ T26] ? bch2_fs_start+0x70b/0xae0
[ 434.861805][ T26] ? schedule+0x165/0x360
[ 434.863594][ T26] ? __pfx___schedule+0x10/0x10
[ 434.865522][ T26] ? schedule+0x91/0x360
[ 434.867047][ T26] schedule+0x165/0x360
[ 434.868768][ T26] ? __closure_sync+0x113/0x220
[ 434.870908][ T26] __closure_sync+0x163/0x220
[ 434.873607][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 434.875846][ T26] ? __pfx___closure_sync+0x10/0x10
[ 434.877999][ T26] ? bch2_set_nr_journal_buckets_loop+0x1251/0x16d0
[ 434.880791][ T26] ? kfree+0x193/0x440
[ 434.883626][ T26] ? bch2_set_nr_journal_buckets_loop+0x476/0x16d0
[ 434.887055][ T26] bch2_set_nr_journal_buckets_loop+0x131d/0x16d0
[ 434.890392][ T26] ? __pfx_bch2_set_nr_journal_buckets_loop+0x10/0x10
[ 434.897341][ T26] ? __pfx_closure_sync_fn+0x10/0x10
[ 434.900075][ T26] ? bch2_get_next_online_dev+0x689/0x6b0
[ 434.903223][ T26] bch2_fs_journal_alloc+0x13d/0x280
[ 434.905910][ T26] bch2_run_recovery_pass+0xe2/0x1d0
[ 434.908589][ T26] bch2_run_recovery_passes+0x2a0/0xdb0
[ 434.910927][ T26] bch2_fs_recovery+0x2399/0x37b0
[ 434.914738][ T26] ? __pfx_bch2_fs_recovery+0x10/0x10
[ 434.917590][ T26] ? __lock_acquire+0xaac/0xd20
[ 434.919758][ T26] ? __lock_acquire+0xaac/0xd20
[ 434.922373][ T26] ? percpu_ref_put+0x1e/0x230
[ 434.924515][ T26] ? bch2_get_next_online_dev+0x2d/0x4d0
[ 434.926888][ T26] ? bch2_fs_start+0x65b/0xae0
[ 434.929137][ T26] ? up_write+0x1c4/0x420
[ 434.931682][ T26] bch2_fs_start+0x70b/0xae0
[ 434.933826][ T26] ? __pfx_bch2_fs_start+0x10/0x10
[ 434.935999][ T26] ? sget+0x28a/0x650
[ 434.937719][ T26] bch2_fs_get_tree+0xad7/0x13b0
[ 434.939819][ T26] ? __pfx_bch2_fs_get_tree+0x10/0x10
[ 434.942875][ T26] ? aa_get_newest_label+0xf7/0x5d0
[ 434.945079][ T26] ? vfs_parse_monolithic_sep+0x2e3/0x310
[ 434.947394][ T26] ? apparmor_capable+0x137/0x1b0
[ 434.949491][ T26] vfs_get_tree+0x8f/0x2b0
[ 434.951909][ T26] do_new_mount+0x24a/0xa40
[ 434.953845][ T26] __se_sys_mount+0x317/0x410
[ 434.955849][ T26] ? __pfx___se_sys_mount+0x10/0x10
[ 434.957981][ T26] ? do_syscall_64+0xba/0x210
[ 434.959998][ T26] ? __x64_sys_mount+0x20/0xc0
[ 434.962559][ T26] do_syscall_64+0xf6/0x210
[ 434.964518][ T26] ? clear_bhb_loop+0x60/0xb0
[ 434.966734][ T26] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 434.969289][ T26] RIP: 0033:0x7f55b902f12a
[ 434.971756][ T26] RSP: 002b:00007ffce3a3fb88 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 434.975270][ T26] RAX: ffffffffffffffda RBX: 00007ffce3a3fba0 RCX: 00007f55b902f12a
[ 434.978606][ T26] RDX: 00002000000058c0 RSI: 0000200000005900 RDI: 00007ffce3a3fba0
[ 434.982237][ T26] RBP: 0000200000005900 R08: 00007ffce3a3fbe0 R09: 0000000000005901
[ 434.985685][ T26] R10: 0000000001000000 R11: 0000000000000282 R12: 00002000000058c0
[ 434.989071][ T26] R13: 00007ffce3a3fbe0 R14: 0000000000000003 R15: 0000000001000000
[ 434.992991][ T26]
[ 434.994332][ T26]
[ 434.994332][ T26] Showing all locks held in the system:
[ 434.997483][ T26] 1 lock held by khungtaskd/26:
[ 434.999513][ T26] #0: ffffffff8df3dce0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 435.004233][ T26] 2 locks held by getty/5110:
[ 435.006213][ T26] #0: ffff88801c3a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 435.010214][ T26] #1: ffffc9000018e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[ 435.014673][ T26]
[ 435.015744][ T26] =============================================
[ 435.015744][ T26]
[ 435.019239][ T26] NMI backtrace for cpu 0
[ 435.019248][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted 6.15.0-rc6-syzkaller-00208-g3c21441eeffc #0 PREEMPT(full)
[ 435.019261][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 435.019269][ T26] Call Trace:
[ 435.019276][ T26]
[ 435.019281][ T26] dump_stack_lvl+0x189/0x250
[ 435.019302][ T26] ? __wake_up_klogd+0xd9/0x110
[ 435.019316][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 435.019331][ T26] ? __pfx__printk+0x10/0x10
[ 435.019349][ T26] nmi_cpu_backtrace+0x39e/0x3d0
[ 435.019363][ T26] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 435.019373][ T26] ? _printk+0xcf/0x120
[ 435.019385][ T26] ? __pfx__printk+0x10/0x10
[ 435.019403][ T26] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 435.019417][ T26] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 435.019431][ T26] watchdog+0xfee/0x1030
[ 435.019446][ T26] ? watchdog+0x1de/0x1030
[ 435.019464][ T26] kthread+0x711/0x8a0
[ 435.019482][ T26] ? __pfx_watchdog+0x10/0x10
[ 435.019496][ T26] ? __pfx_kthread+0x10/0x10
[ 435.019511][ T26] ? __pfx_kthread+0x10/0x10
[ 435.019524][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 435.019538][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 435.019553][ T26] ? __pfx_kthread+0x10/0x10
[ 435.019566][ T26] ret_from_fork+0x4b/0x80
[ 435.019579][ T26] ? __pfx_kthread+0x10/0x10
[ 435.019594][ T26] ret_from_fork_asm+0x1a/0x30
[ 435.019613][ T26]
[ 435.019620][ T26] Kernel panic - not syncing: hung_task: blocked tasks
[ 435.080529][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted 6.15.0-rc6-syzkaller-00208-g3c21441eeffc #0 PREEMPT(full)
[ 435.085266][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 435.089725][ T26] Call Trace:
[ 435.091156][ T26]
[ 435.092432][ T26] dump_stack_lvl+0x99/0x250
[ 435.094424][ T26] ? __asan_memcpy+0x40/0x70
[ 435.096401][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 435.098524][ T26] ? __pfx__printk+0x10/0x10
[ 435.100562][ T26] panic+0x2db/0x790
[ 435.102196][ T26] ? __pfx_panic+0x10/0x10
[ 435.104104][ T26] ? nmi_backtrace_stall_check+0x433/0x440
[ 435.106476][ T26] ? irq_work_queue+0xc3/0x140
[ 435.108506][ T26] watchdog+0x102d/0x1030
[ 435.110386][ T26] ? watchdog+0x1de/0x1030
[ 435.112307][ T26] kthread+0x711/0x8a0
[ 435.114049][ T26] ? __pfx_watchdog+0x10/0x10
[ 435.116106][ T26] ? __pfx_kthread+0x10/0x10
[ 435.118057][ T26] ? __pfx_kthread+0x10/0x10
[ 435.119951][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 435.121990][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 435.124113][ T26] ? __pfx_kthread+0x10/0x10
[ 435.125934][ T26] ret_from_fork+0x4b/0x80
[ 435.127794][ T26] ? __pfx_kthread+0x10/0x10
[ 435.129680][ T26] ret_from_fork_asm+0x1a/0x30
[ 435.131624][ T26]
[ 435.133273][ T26] Kernel Offset: disabled
[ 435.135095][ T26] Rebooting in 86400 seconds..
VM DIAGNOSIS:
05:00:30 Registers:
info registers vcpu 0
CPU#0
RAX=0000000000000063 RBX=0000000000000063 RCX=0000000000000000 RDX=00000000000003f8
RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc900004df770
R8 =ffff888000d20237 R9 =1ffff110001a4046 R10=dffffc0000000000 R11=ffffffff853dfc70
R12=dffffc0000000000 R13=ffffffff9984bc72 R14=ffffffff99b50c00 R15=0000000000000000
RIP=ffffffff853dfcec 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 ffff88808d6c7000 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=000055dd5023b168 CR3=000000000dd38000 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=0000000010444000 Opmask01=0000000000000001 Opmask02=00000000fffffbff Opmask03=0000000000000000
Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 2c58eb3cc7853cfd af5487d2a3fb7286
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 aa4d972d58fce2b8 0e6b4c3f4443a083
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 dbd6d61c9bf8f58b 7675104bdf53069e
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 9a321dbe474aa9b6 6e099c79b8177ffe
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000000002c0
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000040
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 d3a675c0b0da5a87 68d7e67cf4b533e6
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 60bfc65c5f66c56c ae17e40b4a0e8d62
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 9df936b8ebf19646 313a9a08b7babd13
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 6a8d0208c3f75364 db9a8b0239bd4db5
ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ee258035b168fe50 e8f7dfc5465adfcb
ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 8bbad1fdbb79019b 474e2fb69a50ff7a
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 a54ff53a3c6ef372 bb67ae856a09e667
ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 5be0cd191f83d9ab 9b05688c510e527f
ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000002e2e
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
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