syzkaller login: [ 86.700365][ T9] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:35695' (ED25519) to the list of known hosts.
executing program
[ 191.265785][ T5343] loop0: detected capacity change from 0 to 32768
[ 191.288802][ T5343] bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got should be
[ 191.365943][ T5343] bcachefs (da441363-bb6a-4ab9-999b-c1f40db4fee2): Using encoding defined by superblock: utf8-12.1.0
[ 191.388466][ T5343] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,version_upgrade=none
[ 191.388466][ T5343] allowing incompatible features above 0.0: (unknown version)
[ 191.397598][ T5343] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[ 191.411156][ T5343] bcachefs (loop0): accounting_read... done
[ 191.414107][ T5343] bcachefs (loop0): alloc_read... done
[ 191.416535][ T5343] bcachefs (loop0): snapshots_read... done
[ 434.850471][ T27] INFO: task syz-executor421:5343 blocked for more than 143 seconds.
[ 434.854272][ T27] Not tainted 6.15.0-rc7-syzkaller-00144-gb1427432d3b6 #0
[ 434.858874][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 434.870021][ T27] task:syz-executor421 state:D stack:19688 pid:5343 tgid:5343 ppid:5341 task_flags:0x400140 flags:0x00004006
[ 434.874822][ T27] Call Trace:
[ 434.876194][ T27]
[ 434.877387][ T27] __schedule+0x16e2/0x4cd0
[ 434.879380][ T27] ? __kasan_slab_free+0x62/0x70
[ 434.881994][ T27] ? bch2_set_nr_journal_buckets_loop+0x1251/0x16d0
[ 434.884881][ T27] ? bch2_fs_journal_alloc+0x13d/0x280
[ 434.887231][ T27] ? bch2_run_recovery_pass+0xe2/0x1d0
[ 434.889312][ T27] ? bch2_fs_recovery+0x2399/0x37b0
[ 434.892001][ T27] ? bch2_fs_start+0x70b/0xae0
[ 434.894035][ T27] ? schedule+0x165/0x360
[ 434.895770][ T27] ? __pfx___schedule+0x10/0x10
[ 434.897733][ T27] ? schedule+0x91/0x360
[ 434.899550][ T27] schedule+0x165/0x360
[ 434.902544][ T27] ? __closure_sync+0x113/0x220
[ 434.904714][ T27] __closure_sync+0x163/0x220
[ 434.906708][ T27] ? lockdep_hardirqs_on+0x9c/0x150
[ 434.908686][ T27] ? __pfx___closure_sync+0x10/0x10
[ 434.910899][ T27] ? bch2_set_nr_journal_buckets_loop+0x1251/0x16d0
[ 434.913444][ T27] ? kfree+0x193/0x440
[ 434.915118][ T27] ? bch2_set_nr_journal_buckets_loop+0x476/0x16d0
[ 434.917687][ T27] bch2_set_nr_journal_buckets_loop+0x131d/0x16d0
[ 434.921067][ T27] ? __pfx_bch2_set_nr_journal_buckets_loop+0x10/0x10
[ 434.924109][ T27] ? __pfx_closure_sync_fn+0x10/0x10
[ 434.926233][ T27] ? bch2_get_next_online_dev+0x689/0x6b0
[ 434.928564][ T27] bch2_fs_journal_alloc+0x13d/0x280
[ 434.931225][ T27] bch2_run_recovery_pass+0xe2/0x1d0
[ 434.933552][ T27] bch2_run_recovery_passes+0x2a0/0xdb0
[ 434.935929][ T27] bch2_fs_recovery+0x2399/0x37b0
[ 434.938072][ T27] ? __pfx_bch2_fs_recovery+0x10/0x10
[ 434.940733][ T27] ? __lock_acquire+0xaac/0xd20
[ 434.942808][ T27] ? __lock_acquire+0xaac/0xd20
[ 434.944838][ T27] ? percpu_ref_put+0x1e/0x230
[ 434.946808][ T27] ? bch2_get_next_online_dev+0x2d/0x4d0
[ 434.949139][ T27] ? bch2_fs_start+0x65b/0xae0
[ 434.951713][ T27] ? up_write+0x1c4/0x420
[ 434.953553][ T27] bch2_fs_start+0x70b/0xae0
[ 434.955503][ T27] ? __pfx_bch2_fs_start+0x10/0x10
[ 434.957641][ T27] ? sget+0x28a/0x650
[ 434.959458][ T27] bch2_fs_get_tree+0xad7/0x13b0
[ 434.961954][ T27] ? __pfx_bch2_fs_get_tree+0x10/0x10
[ 434.963935][ T27] ? aa_get_newest_label+0xf7/0x5d0
[ 434.965822][ T27] ? vfs_parse_monolithic_sep+0x2e3/0x310
[ 434.968293][ T27] ? apparmor_capable+0x137/0x1b0
[ 434.971066][ T27] vfs_get_tree+0x8f/0x2b0
[ 434.973044][ T27] do_new_mount+0x24a/0xa40
[ 434.974967][ T27] __se_sys_mount+0x317/0x410
[ 434.976856][ T27] ? __pfx___se_sys_mount+0x10/0x10
[ 434.978938][ T27] ? do_syscall_64+0xba/0x210
[ 434.981876][ T27] ? __x64_sys_mount+0x20/0xc0
[ 434.983915][ T27] do_syscall_64+0xf6/0x210
[ 434.985636][ T27] ? clear_bhb_loop+0x60/0xb0
[ 434.987662][ T27] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 434.990281][ T27] RIP: 0033:0x7fb80bbaf12a
[ 434.992132][ T27] RSP: 002b:00007fff6d873848 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 434.995502][ T27] RAX: ffffffffffffffda RBX: 00007fff6d873860 RCX: 00007fb80bbaf12a
[ 434.998903][ T27] RDX: 00002000000058c0 RSI: 0000200000000000 RDI: 00007fff6d873860
[ 435.002668][ T27] RBP: 0000200000000000 R08: 00007fff6d8738a0 R09: 0000000000005901
[ 435.005984][ T27] R10: 0000000001000000 R11: 0000000000000282 R12: 00002000000058c0
[ 435.009272][ T27] R13: 00007fff6d8738a0 R14: 0000000000000003 R15: 0000000001000000
[ 435.013077][ T27]
[ 435.014417][ T27]
[ 435.014417][ T27] Showing all locks held in the system:
[ 435.017725][ T27] 1 lock held by khungtaskd/27:
[ 435.019801][ T27] #0: ffffffff8df3dee0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 435.024323][ T27] 2 locks held by getty/5111:
[ 435.026418][ T27] #0: ffff88801d7b10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 435.030822][ T27] #1: ffffc900029032f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400
[ 435.034872][ T27]
[ 435.035855][ T27] =============================================
[ 435.035855][ T27]
[ 435.039158][ T27] NMI backtrace for cpu 0
[ 435.039168][ T27] CPU: 0 UID: 0 PID: 27 Comm: khungtaskd Not tainted 6.15.0-rc7-syzkaller-00144-gb1427432d3b6 #0 PREEMPT(full)
[ 435.039180][ T27] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 435.039186][ T27] Call Trace:
[ 435.039193][ T27]
[ 435.039198][ T27] dump_stack_lvl+0x189/0x250
[ 435.039216][ T27] ? __wake_up_klogd+0xd9/0x110
[ 435.039230][ T27] ? __pfx_dump_stack_lvl+0x10/0x10
[ 435.039244][ T27] ? __pfx__printk+0x10/0x10
[ 435.039262][ T27] nmi_cpu_backtrace+0x39e/0x3d0
[ 435.039275][ T27] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 435.039285][ T27] ? _printk+0xcf/0x120
[ 435.039297][ T27] ? __pfx__printk+0x10/0x10
[ 435.039309][ T27] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 435.039322][ T27] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 435.039334][ T27] watchdog+0xfee/0x1030
[ 435.039348][ T27] ? watchdog+0x1de/0x1030
[ 435.039366][ T27] kthread+0x70e/0x8a0
[ 435.039381][ T27] ? __pfx_watchdog+0x10/0x10
[ 435.039392][ T27] ? __pfx_kthread+0x10/0x10
[ 435.039426][ T27] ? __pfx_kthread+0x10/0x10
[ 435.039439][ T27] ? _raw_spin_unlock_irq+0x23/0x50
[ 435.039450][ T27] ? lockdep_hardirqs_on+0x9c/0x150
[ 435.039463][ T27] ? __pfx_kthread+0x10/0x10
[ 435.039474][ T27] ret_from_fork+0x4b/0x80
[ 435.039485][ T27] ? __pfx_kthread+0x10/0x10
[ 435.039496][ T27] ret_from_fork_asm+0x1a/0x30
[ 435.039513][ T27]
[ 435.039520][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 435.100245][ T27] CPU: 0 UID: 0 PID: 27 Comm: khungtaskd Not tainted 6.15.0-rc7-syzkaller-00144-gb1427432d3b6 #0 PREEMPT(full)
[ 435.105018][ T27] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 435.109259][ T27] Call Trace:
[ 435.110506][ T27]
[ 435.111785][ T27] dump_stack_lvl+0x99/0x250
[ 435.113716][ T27] ? __asan_memcpy+0x40/0x70
[ 435.115601][ T27] ? __pfx_dump_stack_lvl+0x10/0x10
[ 435.117748][ T27] ? __pfx__printk+0x10/0x10
[ 435.119815][ T27] panic+0x2db/0x790
[ 435.121524][ T27] ? __pfx_panic+0x10/0x10
[ 435.123221][ T27] ? nmi_backtrace_stall_check+0x433/0x440
[ 435.125386][ T27] ? irq_work_queue+0xc3/0x140
[ 435.127231][ T27] watchdog+0x102d/0x1030
[ 435.128858][ T27] ? watchdog+0x1de/0x1030
[ 435.130514][ T27] kthread+0x70e/0x8a0
[ 435.132010][ T27] ? __pfx_watchdog+0x10/0x10
[ 435.133985][ T27] ? __pfx_kthread+0x10/0x10
[ 435.135953][ T27] ? __pfx_kthread+0x10/0x10
[ 435.137741][ T27] ? _raw_spin_unlock_irq+0x23/0x50
[ 435.139904][ T27] ? lockdep_hardirqs_on+0x9c/0x150
[ 435.141969][ T27] ? __pfx_kthread+0x10/0x10
[ 435.143945][ T27] ret_from_fork+0x4b/0x80
[ 435.145763][ T27] ? __pfx_kthread+0x10/0x10
[ 435.147714][ T27] ret_from_fork_asm+0x1a/0x30
[ 435.149728][ T27]
[ 435.151302][ T27] Kernel Offset: disabled
[ 435.153069][ T27] Rebooting in 86400 seconds..
VM DIAGNOSIS:
04:47:19 Registers:
info registers vcpu 0
CPU#0
RAX=000000000000002d RBX=000000000000002d RCX=0000000000000000 RDX=00000000000003f8
RSI=0000000000000000 RDI=0000000000000020 RBP=00000000000003f8 RSP=ffffc900004ef770
R8 =ffff888000bb8237 R9 =1ffff11000177046 R10=dffffc0000000000 R11=ffffffff853e2810
R12=dffffc0000000000 R13=ffffffff99850c70 R14=ffffffff99b55c40 R15=0000000000000000
RIP=ffffffff853e288c 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=0000564aa8370168 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=0000000015422003 Opmask01=0000000000003fff Opmask02=00000000efffbfff 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 0000000000000006 0000004000010015
ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000001100010015 0000000900000050
ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000600000048 0000000000000006
ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000006 00001fff01000045
ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000f00000054 0000000000000050
ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 000000000000000c 0000000400000024
ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000004400010015 0000000200000048
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 6168730073257325 7325204650420050 5241006e65706f5f 667062203a732500
ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 444d560056005600 5600054650420050 5241004b40554a5f 435547051f560000
ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000008000080008 000014fc000014fc ffffffffffffffff 00060014d638766d
ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 c29b010300000000 000080fe00010014 00000003fd80400a d1843a2768329f5c
ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0002001400000048 00000001000b0005 0000008000080008 0000139b0000139b
ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff 0006001401000000 0000000000000000 0000000000010014
ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000
ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 5f64200a20202062 616420390a206562 695f00640a626d20 0a64616100206465
ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 bfbfbfbfbfbfbfbf bfbfbfbfbfbfbfbf bfbfbfbfbfbfbfbf bfbff52532232d20
ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 262821df2e2e33df 3228df3232202b22 df312e232d2435bf 2324353124322431
ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4141414141414141 4141414141414141 4141414141414141 4141414141414141
ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a 1a1a1a1a1a1a1a1a
ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2020202020202020 2020202020202020 2020202020202020 2020202020202020
ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000