syzkaller login: [ 91.806687][ T57] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:59720' (ED25519) to the list of known hosts.
executing program
[ 190.963184][ T5338] loop0: detected capacity change from 0 to 32768
[ 190.977206][ T5338] bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got should be
[ 191.048214][ T5338] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): Using encoding defined by superblock: utf8-12.1.0
[ 191.077262][ T5338] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,version_upgrade=none
[ 191.077262][ T5338] allowing incompatible features above 0.0: (unknown version)
[ 191.086960][ T5338] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[ 191.099473][ T5338] bcachefs (loop0): accounting_read... done
[ 191.103350][ T5338] bcachefs (loop0): alloc_read... done
[ 191.106458][ T5338] bcachefs (loop0): snapshots_read... done
[ 434.831578][ T26] INFO: task syz-executor185:5338 blocked for more than 143 seconds.
[ 434.834962][ T26] Not tainted 6.15.0-rc7-syzkaller #0
[ 434.837437][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 434.854267][ T26] task:syz-executor185 state:D stack:21192 pid:5338 tgid:5338 ppid:5337 task_flags:0x400140 flags:0x00004006
[ 434.863320][ T26] Call Trace:
[ 434.867788][ T26]
[ 434.869174][ T26] __schedule+0x16e2/0x4cd0
[ 434.874812][ T26] ? __kasan_slab_free+0x62/0x70
[ 434.894210][ T26] ? bch2_set_nr_journal_buckets_loop+0x1251/0x16d0
[ 434.897349][ T26] ? bch2_fs_journal_alloc+0x13d/0x280
[ 434.901260][ T26] ? bch2_run_recovery_pass+0xdf/0x1d0
[ 434.905170][ T26] ? bch2_fs_recovery+0x2399/0x37b0
[ 434.907628][ T26] ? bch2_fs_start+0x70b/0xae0
[ 434.909816][ T26] ? schedule+0x165/0x360
[ 434.945347][ T26] ? __pfx___schedule+0x10/0x10
[ 434.947661][ T26] ? schedule+0x91/0x360
[ 434.949546][ T26] schedule+0x165/0x360
[ 434.981464][ T26] ? __closure_sync+0x113/0x220
[ 434.983840][ T26] __closure_sync+0x163/0x220
[ 434.985867][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 434.988577][ T26] ? __pfx___closure_sync+0x10/0x10
[ 435.004832][ T26] ? bch2_set_nr_journal_buckets_loop+0x1251/0x16d0
[ 435.007741][ T26] ? kfree+0x193/0x440
[ 435.010216][ T26] ? bch2_set_nr_journal_buckets_loop+0x476/0x16d0
[ 435.014033][ T26] bch2_set_nr_journal_buckets_loop+0x131d/0x16d0
[ 435.017401][ T26] ? __pfx_bch2_set_nr_journal_buckets_loop+0x10/0x10
[ 435.025877][ T26] ? __pfx_closure_sync_fn+0x10/0x10
[ 435.043800][ T26] ? bch2_get_next_online_dev+0x689/0x6b0
[ 435.046903][ T26] bch2_fs_journal_alloc+0x13d/0x280
[ 435.050281][ T26] bch2_run_recovery_pass+0xdf/0x1d0
[ 435.053902][ T26] bch2_run_recovery_passes+0x2a0/0xdb0
[ 435.057927][ T26] bch2_fs_recovery+0x2399/0x37b0
[ 435.062356][ T26] ? __pfx_bch2_fs_recovery+0x10/0x10
[ 435.065537][ T26] ? __lock_acquire+0xaac/0xd20
[ 435.081426][ T26] ? __lock_acquire+0xaac/0xd20
[ 435.083499][ T26] ? percpu_ref_put+0x1e/0x230
[ 435.085505][ T26] ? bch2_get_next_online_dev+0x2d/0x4d0
[ 435.087827][ T26] ? bch2_fs_start+0x65b/0xae0
[ 435.089847][ T26] ? up_write+0x1c4/0x420
[ 435.095969][ T26] bch2_fs_start+0x70b/0xae0
[ 435.098075][ T26] ? __pfx_bch2_fs_start+0x10/0x10
[ 435.101363][ T26] ? sget+0x28a/0x650
[ 435.103052][ T26] bch2_fs_get_tree+0xad7/0x13b0
[ 435.105121][ T26] ? __pfx_bch2_fs_get_tree+0x10/0x10
[ 435.107449][ T26] ? aa_get_newest_label+0xf7/0x5d0
[ 435.109731][ T26] ? vfs_parse_monolithic_sep+0x2e3/0x310
[ 435.123262][ T26] ? apparmor_capable+0x137/0x1b0
[ 435.125668][ T26] vfs_get_tree+0x8f/0x2b0
[ 435.127742][ T26] do_new_mount+0x24a/0xa40
[ 435.130120][ T26] __se_sys_mount+0x317/0x410
[ 435.132929][ T26] ? __pfx___se_sys_mount+0x10/0x10
[ 435.135322][ T26] ? do_syscall_64+0xba/0x210
[ 435.137452][ T26] ? __x64_sys_mount+0x20/0xc0
[ 435.139944][ T26] do_syscall_64+0xf6/0x210
[ 435.143525][ T26] ? clear_bhb_loop+0x60/0xb0
[ 435.149161][ T26] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 435.155285][ T26] RIP: 0033:0x7f7f5311312a
[ 435.172274][ T26] RSP: 002b:00007ffd996b67c8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 435.182164][ T26] RAX: ffffffffffffffda RBX: 00007ffd996b67e0 RCX: 00007f7f5311312a
[ 435.195321][ T26] RDX: 00002000000058c0 RSI: 0000200000005900 RDI: 00007ffd996b67e0
[ 435.199747][ T26] RBP: 0000200000005900 R08: 00007ffd996b6820 R09: 0000000000005901
[ 435.210642][ T26] R10: 0000000001000000 R11: 0000000000000282 R12: 00002000000058c0
[ 435.215057][ T26] R13: 00007ffd996b6820 R14: 0000000000000003 R15: 0000000001000000
[ 435.219664][ T26]
[ 435.228668][ T26]
[ 435.228668][ T26] Showing all locks held in the system:
[ 435.250585][ T26] 1 lock held by khungtaskd/26:
[ 435.253427][ T26] #0: ffffffff8df3dee0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 435.257922][ T26] 2 locks held by getty/5107:
[ 435.272361][ T26] #0: ffff88801fa990a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 435.276980][ T26] #1: ffffc9000018e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[ 435.292348][ T26]
[ 435.293470][ T26] =============================================
[ 435.293470][ T26]
[ 435.297707][ T26] NMI backtrace for cpu 0
[ 435.297720][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT(full)
[ 435.297733][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 435.297739][ T26] Call Trace:
[ 435.297747][ T26]
[ 435.297753][ T26] dump_stack_lvl+0x189/0x250
[ 435.297772][ T26] ? __wake_up_klogd+0xd9/0x110
[ 435.297786][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 435.297802][ T26] ? __pfx__printk+0x10/0x10
[ 435.297821][ T26] nmi_cpu_backtrace+0x39e/0x3d0
[ 435.297835][ T26] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 435.297845][ T26] ? _printk+0xcf/0x120
[ 435.297858][ T26] ? __pfx__printk+0x10/0x10
[ 435.297870][ T26] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 435.297883][ T26] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 435.297897][ T26] watchdog+0xfee/0x1030
[ 435.297913][ T26] ? watchdog+0x1de/0x1030
[ 435.297932][ T26] kthread+0x70e/0x8a0
[ 435.297948][ T26] ? __pfx_watchdog+0x10/0x10
[ 435.297960][ T26] ? __pfx_kthread+0x10/0x10
[ 435.297972][ T26] ? __pfx_kthread+0x10/0x10
[ 435.297984][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 435.297997][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 435.298011][ T26] ? __pfx_kthread+0x10/0x10
[ 435.298022][ T26] ret_from_fork+0x4b/0x80
[ 435.298033][ T26] ? __pfx_kthread+0x10/0x10
[ 435.298046][ T26] ret_from_fork_asm+0x1a/0x30
[ 435.298066][ T26]
[ 435.298073][ T26] Kernel panic - not syncing: hung_task: blocked tasks
[ 435.478293][ T26] CPU: 0 UID: 0 PID: 26 Comm: khungtaskd Not tainted 6.15.0-rc7-syzkaller #0 PREEMPT(full)
[ 435.492738][ T26] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 435.499122][ T26] Call Trace:
[ 435.501542][ T26]
[ 435.502878][ T26] dump_stack_lvl+0x99/0x250
[ 435.505074][ T26] ? __asan_memcpy+0x40/0x70
[ 435.513999][ T26] ? __pfx_dump_stack_lvl+0x10/0x10
[ 435.516526][ T26] ? __pfx__printk+0x10/0x10
[ 435.518687][ T26] panic+0x2db/0x790
[ 435.525927][ T26] ? __pfx_panic+0x10/0x10
[ 435.527945][ T26] ? nmi_backtrace_stall_check+0x433/0x440
[ 435.564203][ T26] ? irq_work_queue+0xc3/0x140
[ 435.566300][ T26] watchdog+0x102d/0x1030
[ 435.568229][ T26] ? watchdog+0x1de/0x1030
[ 435.583437][ T26] kthread+0x70e/0x8a0
[ 435.585188][ T26] ? __pfx_watchdog+0x10/0x10
[ 435.587263][ T26] ? __pfx_kthread+0x10/0x10
[ 435.589288][ T26] ? __pfx_kthread+0x10/0x10
[ 435.604681][ T26] ? _raw_spin_unlock_irq+0x23/0x50
[ 435.607124][ T26] ? lockdep_hardirqs_on+0x9c/0x150
[ 435.609486][ T26] ? __pfx_kthread+0x10/0x10
[ 435.611597][ T26] ret_from_fork+0x4b/0x80
[ 435.613549][ T26] ? __pfx_kthread+0x10/0x10
[ 435.615624][ T26] ret_from_fork_asm+0x1a/0x30
[ 435.632509][ T26]
[ 435.634211][ T26] Kernel Offset: disabled
[ 435.636149][ T26] Rebooting in 86400 seconds..
VM DIAGNOSIS:
03:01:18 Registers:
info registers vcpu 0
CPU#0
RAX=000000000000006d RBX=000000000000006d RCX=0000000000000000 RDX=00000000000003f8
RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc900004df770
R8 =ffff888000a40237 R9 =1ffff11000148046 R10=dffffc0000000000 R11=ffffffff853e18b0
R12=dffffc0000000000 R13=ffffffff99850c7f 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=000055fbbcce8168 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 3ba6f97f42fc1811 035b0a73d34449d5
ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 b5b566688162f2e1 68cd6af7508c5ac1
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 b7cf56c792745574 f42e67f7b7ee97c5
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 7871601b97fe8160 b1188d81271ae876
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 56a0c8595d6d5f9b d3b2e2f3bd802ef7
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 5ebb4aaad1b57e4c 94dde4ee87216908
ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 40bbc3904ca6ec2d 145824256021374a
ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 35def3fd188fc759 143640f4f93854c4
ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 a5b727649f59c6b6 8a0768bc2c922849
ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 d06ad1d4acaa41db 3b7adfcea8b6ce09
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