syzkaller login: [ 91.802755][ T10] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:46664' (ED25519) to the list of known hosts.
executing program
[ 191.151386][ T5343] loop0: detected capacity change from 0 to 32768
[ 191.165413][ T5343] bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got should be
[ 191.241405][ T5343] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): Using encoding defined by superblock: utf8-12.1.0
[ 191.268854][ T5343] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,version_upgrade=none
[ 191.268854][ T5343] allowing incompatible features above 0.0: (unknown version)
[ 191.278345][ T5343] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[ 191.292152][ T5343] bcachefs (loop0): accounting_read... done
[ 191.295625][ T5343] bcachefs (loop0): alloc_read... done
[ 191.298097][ T5343] bcachefs (loop0): snapshots_read... done
[ 434.834840][ T26] INFO: task syz-executor372:5343 blocked for more than 143 seconds.
[ 434.838020][ T26] Not tainted 6.15.0-rc7-syzkaller #0
[ 434.840323][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 434.851315][ T26] task:syz-executor372 state:D stack:21192 pid:5343 tgid:5343 ppid:5342 task_flags:0x400140 flags:0x00004006
[ 434.858180][ T26] Call Trace:
[ 434.859909][ T26]
[ 434.861388][ T26] __schedule+0x16e2/0x4cd0
[ 434.863950][ T26] ? __kasan_slab_free+0x62/0x70
[ 434.866141][ T26] ? bch2_set_nr_journal_buckets_loop+0x1251/0x16d0
[ 434.868790][ T26] ? bch2_fs_journal_alloc+0x13d/0x280
[ 434.870862][ T26] ? bch2_run_recovery_pass+0xdf/0x1d0
[ 434.873123][ T26] ? bch2_fs_recovery+0x2399/0x37b0
[ 434.875812][ T26] ? bch2_fs_start+0x70b/0xae0
[ 434.877944][ T26] ? schedule+0x165/0x360
[ 434.879855][ T26] ? __pfx___schedule+0x10/0x10
[ 434.881919][ T26] ? schedule+0x91/0x360
[ 434.884038][ T26] schedule+0x165/0x360
[ 434.885857][ T26] ? __closure_sync+0x113/0x220
[ 434.887854][ T26] __closure_sync+0x163/0x220
[ 434.889935][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 434.892238][ T26] ? __pfx___closure_sync+0x10/0x10
[ 434.894808][ T26] ? bch2_set_nr_journal_buckets_loop+0x1251/0x16d0
[ 434.897225][ T26] ? kfree+0x193/0x440
[ 434.898842][ T26] ? bch2_set_nr_journal_buckets_loop+0x476/0x16d0
[ 434.901461][ T26] bch2_set_nr_journal_buckets_loop+0x131d/0x16d0
[ 434.904331][ T26] ? __pfx_bch2_set_nr_journal_buckets_loop+0x10/0x10
[ 434.906704][ T26] ? __pfx_closure_sync_fn+0x10/0x10
[ 434.908852][ T26] ? bch2_get_next_online_dev+0x689/0x6b0
[ 434.911389][ T26] bch2_fs_journal_alloc+0x13d/0x280
[ 434.914275][ T26] bch2_run_recovery_pass+0xdf/0x1d0
[ 434.916808][ T26] bch2_run_recovery_passes+0x2a0/0xdb0
[ 434.919166][ T26] bch2_fs_recovery+0x2399/0x37b0
[ 434.921264][ T26] ? __pfx_bch2_fs_recovery+0x10/0x10
[ 434.923466][ T26] ? __lock_acquire+0xaac/0xd20
[ 434.926091][ T26] ? __lock_acquire+0xaac/0xd20
[ 434.928486][ T26] ? percpu_ref_put+0x1e/0x230
[ 434.930983][ T26] ? bch2_get_next_online_dev+0x2d/0x4d0
[ 434.934102][ T26] ? bch2_fs_start+0x65b/0xae0
[ 434.936220][ T26] ? up_write+0x1c4/0x420
[ 434.938168][ T26] bch2_fs_start+0x70b/0xae0
[ 434.940258][ T26] ? __pfx_bch2_fs_start+0x10/0x10
[ 434.942604][ T26] ? sget+0x28a/0x650
[ 434.945047][ T26] bch2_fs_get_tree+0xad7/0x13b0
[ 434.947241][ T26] ? __pfx_bch2_fs_get_tree+0x10/0x10
[ 434.949662][ T26] ? aa_get_newest_label+0xf7/0x5d0
[ 434.951960][ T26] ? vfs_parse_monolithic_sep+0x2e3/0x310
[ 434.955131][ T26] ? apparmor_capable+0x137/0x1b0
[ 434.957784][ T26] vfs_get_tree+0x8f/0x2b0
[ 434.959758][ T26] do_new_mount+0x24a/0xa40
[ 434.961795][ T26] __se_sys_mount+0x317/0x410
[ 434.964285][ T26] ? __pfx___se_sys_mount+0x10/0x10
[ 434.966519][ T26] ? do_syscall_64+0xba/0x210
[ 434.968500][ T26] ? __x64_sys_mount+0x20/0xc0
[ 434.970423][ T26] do_syscall_64+0xf6/0x210
[ 434.972391][ T26] ? clear_bhb_loop+0x60/0xb0
[ 434.974837][ T26] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 434.977494][ T26] RIP: 0033:0x7f787d3e612a
[ 434.979387][ T26] RSP: 002b:00007ffd9eff02b8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 434.982910][ T26] RAX: ffffffffffffffda RBX: 00007ffd9eff02d0 RCX: 00007f787d3e612a
[ 434.986929][ T26] RDX: 00002000000058c0 RSI: 00002000000018c0 RDI: 00007ffd9eff02d0
[ 434.990278][ T26] RBP: 00002000000018c0 R08: 00007ffd9eff0310 R09: 000000000000591f
[ 434.994207][ T26] R10: 0000000003000000 R11: 0000000000000282 R12: 00002000000058c0
[ 434.997995][ T26] R13: 00007ffd9eff0310 R14: 0000000000000003 R15: 0000000003000000
[ 435.001255][ T26]
[ 435.002825][ T26]
[ 435.002825][ T26] Showing all locks held in the system:
[ 435.006602][ T26] 1 lock held by khungtaskd/26:
[ 435.008668][ T26] #0: ffffffff8df3dee0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 435.012975][ T26] 1 lock held by klogd/4711:
[ 435.015435][ T26] #0: ffff88801fe39b58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140
[ 435.019456][ T26] 2 locks held by getty/5110:
[ 435.021171][ T26] #0: ffff88801fc390a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 435.025293][ T26] #1: ffffc9000018e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[ 435.029140][ T26]
[ 435.030070][ T26] =============================================
[ 435.030070][ T26]
[ 435.033403][ T26] NMI backtrace for cpu 0
[ 435.033412][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT(full)
[ 435.033425][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 435.033432][ T26] Call Trace:
[ 435.033439][ T26]
[ 435.033444][ T26] dump_stack_lvl+0x189/0x250
[ 435.033463][ T26] ? __wake_up_klogd+0xd9/0x110
[ 435.033477][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 435.033491][ T26] ? __pfx__printk+0x10/0x10
[ 435.033509][ T26] nmi_cpu_backtrace+0x39e/0x3d0
[ 435.033524][ T26] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 435.033534][ T26] ? _printk+0xcf/0x120
[ 435.033546][ T26] ? __pfx__printk+0x10/0x10
[ 435.033557][ T26] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 435.033587][ T26] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 435.033601][ T26] watchdog+0xfee/0x1030
[ 435.033616][ T26] ? watchdog+0x1de/0x1030
[ 435.033633][ T26] kthread+0x70e/0x8a0
[ 435.033648][ T26] ? __pfx_watchdog+0x10/0x10
[ 435.033659][ T26] ? __pfx_kthread+0x10/0x10
[ 435.033674][ T26] ? __pfx_kthread+0x10/0x10
[ 435.033684][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 435.033695][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 435.033710][ T26] ? __pfx_kthread+0x10/0x10
[ 435.033720][ T26] ret_from_fork+0x4b/0x80
[ 435.033730][ T26] ? __pfx_kthread+0x10/0x10
[ 435.033743][ T26] ret_from_fork_asm+0x1a/0x30
[ 435.033761][ T26]
[ 435.098915][ T26] Kernel panic - not syncing: hung_task: blocked tasks
[ 435.101753][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT(full)
[ 435.106002][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 435.110051][ T26] Call Trace:
[ 435.111436][ T26]
[ 435.112690][ T26] dump_stack_lvl+0x99/0x250
[ 435.114754][ T26] ? __asan_memcpy+0x40/0x70
[ 435.116569][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 435.118707][ T26] ? __pfx__printk+0x10/0x10
[ 435.120293][ T26] panic+0x2db/0x790
[ 435.121862][ T26] ? __pfx_panic+0x10/0x10
[ 435.123518][ T26] ? tick_nohz_tick_stopped+0x86/0xb0
[ 435.125473][ T26] ? preempt_schedule_thunk+0x16/0x30
[ 435.127457][ T26] ? nmi_trigger_cpumask_backtrace+0x2b6/0x300
[ 435.130073][ T26] watchdog+0x102d/0x1030
[ 435.132072][ T26] ? watchdog+0x1de/0x1030
[ 435.133752][ T26] kthread+0x70e/0x8a0
[ 435.135226][ T26] ? __pfx_watchdog+0x10/0x10
[ 435.136964][ T26] ? __pfx_kthread+0x10/0x10
[ 435.138847][ T26] ? __pfx_kthread+0x10/0x10
[ 435.140592][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 435.142747][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 435.144660][ T26] ? __pfx_kthread+0x10/0x10
[ 435.146758][ T26] ret_from_fork+0x4b/0x80
[ 435.148781][ T26] ? __pfx_kthread+0x10/0x10
[ 435.150809][ T26] ret_from_fork_asm+0x1a/0x30
[ 435.152799][ T26]
[ 435.154479][ T26] Kernel Offset: disabled
[ 435.156259][ T26] Rebooting in 86400 seconds..
VM DIAGNOSIS:
01:42:18 Registers:
info registers vcpu 0
CPU#0
RAX=000000000000002e RBX=000000000000002e RCX=0000000000000000 RDX=00000000000003f8
RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc900004df6b0
R8 =ffff888000a98237 R9 =1ffff11000153046 R10=dffffc0000000000 R11=ffffffff853e18b0
R12=dffffc0000000000 R13=ffffffff99850c47 R14=ffffffff99b55c40 R15=0000000000000000
RIP=ffffffff853e192c 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 ffff88808d6c2000 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=0000559abec28168 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=000000000534c002 Opmask01=0000000000040400 Opmask02=00000000ffffffff Opmask03=0000000000000000
Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000
ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00005580bf3bec50 00005580bf3bec50
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fff8155d940 0000003000000010
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
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 2525252525252525 2525252525252525 2525252525252525 2525252525252525
ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6f6c737973007325 2e73250064252e73 2500656c6f736e6f 632f7665642f000a
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4a49565c56005600 0b56000041000b56 000040494a564b4a 460a5340410a000a
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 656d69745f6b7361 745f676e75682f6c 656e72656b2f7379 732f636f72702f20
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 656e6f6e3d656461 726770755f6e6f69 737265762c347a6c 3d6e6f6973736572
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 706d6f632c656e6f 6e3d6d75736b6365 68635f617461642c 656e6f6e3d6d7573
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6b636568635f6174 61646174656d3d73 74706f2070616d74 69625f6565727462
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 5f696d203a372e31 206e6f6973726576 20676e6974726174 73203a2930706f6f
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