./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4212398879
<...>
no interfaces have a carrier
[ 52.052258][ T5488] 8021q: adding VLAN 0 to HW filter on device bond0
[ 52.071065][ T5488] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 92.352054][ T25] cfg80211: failed to load regulatory.db
[ 123.259129][ T5828] sshd (5828) used greatest stack depth: 19376 bytes left
Warning: Permanently added '10.128.1.44' (ED25519) to the list of known hosts.
execve("./syz-executor4212398879", ["./syz-executor4212398879"], 0x7ffd29227a20 /* 10 vars */) = 0
brk(NULL) = 0x55557aa0c000
brk(0x55557aa0cd00) = 0x55557aa0cd00
arch_prctl(ARCH_SET_FS, 0x55557aa0c380) = 0
set_tid_address(0x55557aa0c650) = 5841
set_robust_list(0x55557aa0c660, 24) = 0
rseq(0x55557aa0cca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4212398879", 4096) = 28
getrandom("\x80\x6d\x56\x82\xb0\xa1\xd6\x8f", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557aa0cd00
brk(0x55557aa2dd00) = 0x55557aa2dd00
brk(0x55557aa2e000) = 0x55557aa2e000
mprotect(0x7f76e441e000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
mkdir("./syzkaller.0FSyvp", 0700) = 0
chmod("./syzkaller.0FSyvp", 0777) = 0
chdir("./syzkaller.0FSyvp") = 0
mkdir("./0", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached
<unfinished ...>
[pid 5842] set_robust_list(0x55557aa0c660, 24) = 0
[pid 5842] chdir("./0" <unfinished ...>
[pid 5841] <... clone resumed>, child_tidptr=0x55557aa0c650) = 5842
[pid 5842] <... chdir resumed>) = 0
[pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5842] setpgid(0, 0) = 0
[pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5842] write(3, "1000", 4) = 4
[pid 5842] close(3) = 0
[pid 5842] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5842] write(1, "executing program\n", 18executing program
) = 18
[pid 5842] memfd_create("syzkaller", 0) = 3
[pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f76dbe00000
[pid 5842] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
[pid 5842] munmap(0x7f76dbe00000, 138412032) = 0
[pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5842] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5842] close(3) = 0
[pid 5842] close(4) = 0
[pid 5842] mkdir("./file0", 0777) = 0
[ 130.627281][ T5842] loop0: detected capacity change from 0 to 32768
[ 130.674433][ T5842] bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got should be
[ 130.715945][ T5842] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,version_upgrade=none
[ 130.730973][ T5842] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[ 130.751865][ T5842] bcachefs (loop0): accounting_read... done
[ 130.758697][ T5842] bcachefs (loop0): alloc_read... done
[pid 5842] mount("/dev/loop0", "./file0", "bcachefs", MS_STRICTATIME, "errors=continue,errors=fix_safe,journal_transaction_names,version_upgrade=none,smackfshat=*,obj_type"...) = 0
[pid 5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5842] chdir("./file0") = 0
[pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5842] ioctl(4, LOOP_CLR_FD) = 0
[ 130.764256][ T5842] bcachefs (loop0): stripes_read... done
[ 130.770065][ T5842] bcachefs (loop0): snapshots_read... done
[ 130.778229][ T5842] bcachefs (loop0): journal_replay... done
[ 130.784186][ T5842] bcachefs (loop0): resume_logged_ops... done
[ 130.790383][ T5842] bcachefs (loop0): delete_dead_inodes... done
[ 130.797016][ T5842] bcachefs (loop0): going read-write
[ 130.806681][ T5842] bcachefs (loop0): done starting filesystem
[pid 5842] close(4) = 0
[pid 5842] exit_group(0) = ?
[pid 5842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=25 /* 0.25 s */} ---
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55557aa0d6f0 /* 4 entries */, 32768) = 112
umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs") = 0
[ 130.867499][ T5842] syz-executor421 (5842) used greatest stack depth: 19248 bytes left
[ 130.885190][ T5841] bcachefs (loop0): shutting down
[ 130.890815][ T5841] bcachefs (loop0): going read-only
[ 130.896172][ T5841] bcachefs (loop0): finished waiting for writes to stop
[ 160.839055][ T5852] Allocator stuck? Waited for 30 seconds
[ 160.839071][ T5852] Allocator debug:
[ 160.839078][ T5852] capacity1536
[ 160.839085][ T5852] reserved 31232
[ 160.839092][ T5852] hidden 0
[ 160.839099][ T5852] btree 0
[ 160.839106][ T5852] data 0
[ 160.839113][ T5852] cached 0
[ 160.839120][ T5852] reserved 0
[ 160.839127][ T5852] online_reserved 24
[ 160.839134][ T5852] nr_inodes 0
[ 160.839141][ T5852]
[ 160.839148][ T5852] freelist_wait waiting
[ 160.839155][ T5852] open buckets allocated1
[ 160.839162][ T5852] open buckets total 1024
[ 160.839169][ T5852] open_buckets_wait empty
[ 160.839176][ T5852] open_buckets_btree 0
[ 160.839183][ T5852] open_buckets_user 0
[ 160.839190][ T5852] btree reserve cache 0
[ 160.839197][ T5852]
[ 160.839203][ T5852] Dev 0:
[ 160.839210][ T5852] buckets sectors fragmented
[ 160.839218][ T5852] free 0 0 0
[ 160.839226][ T5852] sb 0 0 0
[ 160.839235][ T5852] journal 0 0 0
[ 160.839243][ T5852] btree 0 0 0
[ 160.839251][ T5852] user 0 0 0
[ 160.839260][ T5852] cached 0 0 0
[ 160.839268][ T5852] parity 0 0 0
[ 160.839276][ T5852] stripe 0 0 0
[ 160.839285][ T5852] need_gc_gens 0 0 0
[ 160.839310][ T5852] need_discard 0 0 0
[ 160.839318][ T5852] unstriped 0 0 0
[ 160.839326][ T5852] capacity 128
[ 160.839334][ T5852]
[ 160.839340][ T5852] reserves:
[ 160.839346][ T5852] stripe 60
[ 160.839353][ T5852] normal 58
[ 160.839360][ T5852] copygc 56
[ 160.839368][ T5852] btree 28
[ 160.839375][ T5852] btree_copygc 0
[ 160.839382][ T5852] reclaim 0
[ 160.839389][ T5852] interior_updates 0
[ 160.839396][ T5852]
[ 160.839402][ T5852] open buckets 0
[ 160.839410][ T5852] buckets to invalidate 0
[ 160.839417][ T5852]
[ 160.839423][ T5852] Copygc debug:
[ 160.839429][ T5852] running: 0
[ 160.839436][ T5852] copygc_wait:0
[ 160.839443][ T5852] copygc_wait_at:0
[ 160.839449][ T5852] Currently waiting for:0 B
[ 160.839456][ T5852] Currently waiting since:640 KiB
[ 160.839464][ T5852] Currently calculated wait:0 B
[ 160.839471][ T5852]
[ 160.839477][ T5852] Journal debug:
[ 160.839488][ T5852] flags: replay_done,running,may_skip_flush,need_flush_write
[ 160.839497][ T5852] dirty journal entries: 0/32768
[ 160.839505][ T5852] seq: 10
[ 160.839512][ T5852] seq_ondisk: 10
[ 160.839519][ T5852] last_seq: 11
[ 160.839529][ T5852] last_seq_ondisk: 11
[ 160.839558][ T5852] flushed_seq_ondisk: 10
[ 160.839571][ T5852] watermark: stripe
[ 160.839581][ T5852] each entry reserved: 321
[ 160.839591][ T5852] nr flush writes: 0
[ 160.839601][ T5852] nr noflush writes: 0
[ 160.839611][ T5852] average write size: 0 B
[ 160.839620][ T5852] nr direct reclaim: 0
[ 160.839631][ T5852] nr background reclaim: 0
[ 160.839641][ T5852] reclaim kicked: 0
[ 160.839651][ T5852] reclaim runs in: 0 ms
[ 160.839662][ T5852] blocked: 0
[ 160.839673][ T5852] current entry sectors: 256
[ 160.839684][ T5852] current entry error: ok
[ 160.839695][ T5852] current entry: closed
[ 160.839707][ T5852] unwritten entries:
[ 160.839717][ T5852] last buf closed
[ 160.839727][ T5852] space:
[ 160.839737][ T5852] discarded 256:1792
[ 160.839748][ T5852] clean ondisk 256:1792
[ 160.839759][ T5852] clean 256:1792
[ 160.839770][ T5852] total 256:2048
[ 160.839781][ T5852] dev 0:
[ 160.839791][ T5852] nr 8
[ 160.839801][ T5852] bucket size 256
[ 160.839811][ T5852] available 6:256
[ 160.839822][ T5852] discard_idx 0
[ 160.839833][ T5852] dirty_ondisk 0 (seq 0)
[ 160.839844][ T5852] dirty_idx 0 (seq 0)
[ 160.839854][ T5852] cur_idx 0 (seq 0)
[ 160.839865][ T5852]
[ 286.910060][ T30] INFO: task syz-executor421:5841 blocked for more than 143 seconds.
[ 286.918305][ T30] Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0
[ 286.926080][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.934944][ T30] task:syz-executor421 state:D stack:23840 pid:5841 tgid:5841 ppid:5838 flags:0x00004002
[ 286.945283][ T30] Call Trace:
[ 286.948633][ T30] <TASK>
[ 286.951571][ T30] __schedule+0x17fb/0x4be0
[ 286.956113][ T30] ? __pfx___schedule+0x10/0x10
[ 286.961050][ T30] ? __pfx_lock_release+0x10/0x10
[ 286.966133][ T30] ? schedule+0x90/0x320
[ 286.970437][ T30] schedule+0x14b/0x320
[ 286.974641][ T30] schedule_timeout+0xb0/0x290
[ 286.979931][ T30] ? __pfx_schedule_timeout+0x10/0x10
[ 286.985336][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 286.991401][ T30] ? wait_for_completion+0x2fe/0x620
[ 286.996750][ T30] ? wait_for_completion+0x2fe/0x620
[ 287.002114][ T30] ? _raw_spin_unlock_irq+0x23/0x50
[ 287.007349][ T30] ? lockdep_hardirqs_on+0x99/0x150
[ 287.012617][ T30] ? wait_for_completion+0x2fe/0x620
[ 287.017945][ T30] wait_for_completion+0x355/0x620
[ 287.023233][ T30] ? __pfx_wait_for_completion+0x10/0x10
[ 287.028947][ T30] ? synchronize_rcu+0x11b/0x360
[ 287.033897][ T30] ? kthread_unpark+0xd0/0x290
[ 287.038787][ T30] kthread_stop+0x19e/0x640
[ 287.043364][ T30] bch2_copygc_stop+0x4f/0x150
[ 287.048168][ T30] __bch2_fs_read_only+0x47/0x450
[ 287.053387][ T30] bch2_fs_read_only+0xb57/0x1200
[ 287.058529][ T30] ? __pfx_bch2_fs_read_only+0x10/0x10
[ 287.064034][ T30] ? __bch2_print+0x17a/0x220
[ 287.068821][ T30] ? down_write+0x18c/0x220
[ 287.073356][ T30] ? __pfx_down_write+0x10/0x10
[ 287.078220][ T30] ? hook_sb_delete+0xaa0/0xbd0
[ 287.083164][ T30] __bch2_fs_stop+0x105/0x5c0
[ 287.087906][ T30] ? __pfx___bch2_fs_stop+0x10/0x10
[ 287.093175][ T30] ? __pfx_evict_inodes+0x10/0x10
[ 287.098255][ T30] ? bch2_sync_fs+0x155/0x300
[ 287.103028][ T30] ? __pfx_bch2_put_super+0x10/0x10
[ 287.108262][ T30] generic_shutdown_super+0x139/0x2d0
[ 287.113707][ T30] bch2_kill_sb+0x41/0x50
[ 287.118093][ T30] deactivate_locked_super+0xc4/0x130
[ 287.123607][ T30] cleanup_mnt+0x41f/0x4b0
[ 287.128064][ T30] ? lockdep_hardirqs_on+0x99/0x150
[ 287.133393][ T30] task_work_run+0x24f/0x310
[ 287.138034][ T30] ? __pfx_task_work_run+0x10/0x10
[ 287.143283][ T30] ? path_umount+0x211/0xf80
[ 287.147925][ T30] ptrace_notify+0x2d2/0x380
[ 287.152789][ T30] ? user_path_at+0x44/0x60
[ 287.157332][ T30] ? __pfx_ptrace_notify+0x10/0x10
[ 287.162642][ T30] ? kmem_cache_free+0x195/0x410
[ 287.167668][ T30] ? __x64_sys_umount+0x123/0x170
[ 287.172840][ T30] syscall_exit_work+0xc7/0x1d0
[ 287.177752][ T30] syscall_exit_to_user_mode+0x24a/0x340
[ 287.183519][ T30] do_syscall_64+0x100/0x230
[ 287.188265][ T30] ? clear_bhb_loop+0x35/0x90
[ 287.193034][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.199035][ T30] RIP: 0033:0x7f76e43a6387
[ 287.203495][ T30] RSP: 002b:00007fffc6338748 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 287.211997][ T30] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f76e43a6387
[ 287.220041][ T30] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffc6338800
[ 287.228024][ T30] RBP: 00007fffc6338800 R08: 0000000000000000 R09: 0000000000000000
[ 287.236056][ T30] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fffc6339860
[ 287.244193][ T30] R13: 000055557aa0d6c0 R14: 0000000000000001 R15: 431bde82d7b634db
[ 287.252247][ T30] </TASK>
[ 287.255395][ T30]
[ 287.255395][ T30] Showing all locks held in the system:
[ 287.263243][ T30] 1 lock held by khungtaskd/30:
[ 287.268108][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0
[ 287.278059][ T30] 2 locks held by getty/5579:
[ 287.282835][ T30] #0: ffff888035fc20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 287.292688][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00
[ 287.302928][ T30] 2 locks held by syz-executor421/5841:
[ 287.308546][ T30] #0: ffff88807e4aa0e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0
[ 287.318978][ T30] #1: ffff888076b00278 (&c->state_lock){+.+.}-{4:4}, at: __bch2_fs_stop+0xfd/0x5c0
[ 287.328499][ T30]
[ 287.330849][ T30] =============================================
[ 287.330849][ T30]
[ 287.339366][ T30] NMI backtrace for cpu 0
[ 287.343741][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0
[ 287.354247][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 287.364304][ T30] Call Trace:
[ 287.367586][ T30] <TASK>
[ 287.370517][ T30] dump_stack_lvl+0x241/0x360
[ 287.375206][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.380410][ T30] ? __pfx__printk+0x10/0x10
[ 287.385010][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 287.389977][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 287.395447][ T30] ? _printk+0xd5/0x120
[ 287.399609][ T30] ? __pfx__printk+0x10/0x10
[ 287.404229][ T30] ? __wake_up_klogd+0xcc/0x110
[ 287.409091][ T30] ? __pfx__printk+0x10/0x10
[ 287.413704][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 287.418732][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 287.424723][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 287.430716][ T30] watchdog+0xff6/0x1040
[ 287.434979][ T30] ? watchdog+0x1ea/0x1040
[ 287.439399][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.444081][ T30] kthread+0x2f0/0x390
[ 287.448176][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.452870][ T30] ? __pfx_kthread+0x10/0x10
[ 287.457473][ T30] ret_from_fork+0x4b/0x80
[ 287.461899][ T30] ? __pfx_kthread+0x10/0x10
[ 287.466498][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.471289][ T30] </TASK>
[ 287.474477][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 287.479856][ C1] NMI backtrace for cpu 1
[ 287.479870][ C1] CPU: 1 UID: 0 PID: 5183 Comm: klogd Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0
[ 287.479891][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 287.479902][ C1] RIP: 0010:match_held_lock+0x77/0xb0
[ 287.479932][ C1] Code: c7 c2 40 97 be 93 48 29 d0 48 c1 f8 03 48 ba 29 5c 8f c2 f5 28 5c 8f 48 0f af d0 bd 01 00 00 00 48 39 ca 74 02 31 ed 89 e8 5b <5d> c3 cc cc cc cc 90 e8 4d dd f5 f8 85 c0 74 22 83 3d 56 7a 57 04
[ 287.479947][ C1] RSP: 0018:ffffc900036877d0 EFLAGS: 00000046
[ 287.479964][ C1] RAX: 0000000000000001 RBX: ffff88807ebfe558 RCX: ffffc90003687900
[ 287.479978][ C1] RDX: 0000000000000098 RSI: ffff8880b873e758 RDI: ffff88807ebfe558
[ 287.479990][ C1] RBP: 0000000000000001 R08: ffffffff90185937 R09: 1ffffffff2030b26
[ 287.480003][ C1] R10: dffffc0000000000 R11: fffffbfff2030b27 R12: 0000000000000046
[ 287.480030][ C1] R13: ffff88807ebfda00 R14: 00000000ffffffff R15: ffff8880b873e758
[ 287.480043][ C1] FS: 00007f29cd154380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 287.480059][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 287.480072][ C1] CR2: 00005562c1cb0600 CR3: 0000000032fa4000 CR4: 00000000003526f0
[ 287.480087][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 287.480098][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 287.480109][ C1] Call Trace:
[ 287.480115][ C1] <NMI>
[ 287.480121][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 287.480144][ C1] ? __pfx_lock_acquire+0x10/0x10
[ 287.480165][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 287.480193][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 287.480219][ C1] ? nmi_handle+0x14f/0x5a0
[ 287.480239][ C1] ? nmi_handle+0x2a/0x5a0
[ 287.480258][ C1] ? match_held_lock+0x77/0xb0
[ 287.480282][ C1] ? default_do_nmi+0x63/0x160
[ 287.480303][ C1] ? exc_nmi+0x123/0x1f0
[ 287.480321][ C1] ? end_repeat_nmi+0xf/0x53
[ 287.480343][ C1] ? match_held_lock+0x77/0xb0
[ 287.480367][ C1] ? match_held_lock+0x77/0xb0
[ 287.480392][ C1] ? match_held_lock+0x77/0xb0
[ 287.480417][ C1] </NMI>
[ 287.480422][ C1] <TASK>
[ 287.480428][ C1] lock_is_held_type+0xa9/0x190
[ 287.480455][ C1] ttwu_do_activate+0x97/0x760
[ 287.480476][ C1] try_to_wake_up+0x89b/0x1470
[ 287.480499][ C1] ? __pfx_try_to_wake_up+0x10/0x10
[ 287.480522][ C1] ? _raw_spin_lock_irqsave+0xe1/0x120
[ 287.480545][ C1] ? __pfx__raw_spin_lock_irqsave+0x10/0x10
[ 287.480569][ C1] autoremove_wake_function+0x16/0x110
[ 287.480588][ C1] __wake_up_common_lock+0x130/0x1e0
[ 287.480610][ C1] sock_def_readable+0x20f/0x5a0
[ 287.480636][ C1] ? sock_def_readable+0xd7/0x5a0
[ 287.480661][ C1] unix_dgram_sendmsg+0x1493/0x1f80
[ 287.480692][ C1] ? __pfx_unix_dgram_sendmsg+0x10/0x10
[ 287.480730][ C1] ? __pfx_unix_dgram_sendmsg+0x10/0x10
[ 287.480749][ C1] __sock_sendmsg+0x221/0x270
[ 287.480776][ C1] __sys_sendto+0x363/0x4c0
[ 287.480806][ C1] ? __pfx___sys_sendto+0x10/0x10
[ 287.480832][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.480849][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 287.480869][ C1] __x64_sys_sendto+0xde/0x100
[ 287.480886][ C1] do_syscall_64+0xf3/0x230
[ 287.480910][ C1] ? clear_bhb_loop+0x35/0x90
[ 287.480927][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.480951][ C1] RIP: 0033:0x7f29cd2b69b5
[ 287.480964][ C1] Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83
[ 287.480977][ C1] RSP: 002b:00007fff85974a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 287.480992][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f29cd2b69b5
[ 287.481003][ C1] RDX: 000000000000008b RSI: 000055d888637b60 RDI: 0000000000000003
[ 287.481021][ C1] RBP: 000055d888633910 R08: 0000000000000000 R09: 0000000000000000
[ 287.481031][ C1] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
[ 287.481041][ C1] R13: 00007f29cd444212 R14: 00007fff85974b98 R15: 0000000000000000
[ 287.481057][ C1] </TASK>
[ 287.481064][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.209 msecs
[ 287.481928][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.896171][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0
[ 287.906677][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 287.916734][ T30] Call Trace:
[ 287.920016][ T30] <TASK>
[ 287.922951][ T30] dump_stack_lvl+0x241/0x360
[ 287.927636][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.932833][ T30] ? __pfx__printk+0x10/0x10
[ 287.937435][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.943421][ T30] ? vscnprintf+0x5d/0x90
[ 287.947763][ T30] panic+0x349/0x880
[ 287.951679][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.957842][ T30] ? __pfx_panic+0x10/0x10
[ 287.962259][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 287.967636][ T30] ? __irq_work_queue_local+0x137/0x410
[ 287.973182][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 287.978559][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.984737][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 287.990909][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 287.997159][ T30] watchdog+0x1035/0x1040
[ 288.001520][ T30] ? watchdog+0x1ea/0x1040
[ 288.005961][ T30] ? __pfx_watchdog+0x10/0x10
[ 288.010652][ T30] kthread+0x2f0/0x390
[ 288.014748][ T30] ? __pfx_watchdog+0x10/0x10
[ 288.019447][ T30] ? __pfx_kthread+0x10/0x10
[ 288.024045][ T30] ret_from_fork+0x4b/0x80
[ 288.028479][ T30] ? __pfx_kthread+0x10/0x10
[ 288.033081][ T30] ret_from_fork_asm+0x1a/0x30
[ 288.037868][ T30] </TASK>
[ 288.041244][ T30] Kernel Offset: disabled
[ 288.045579][ T30] Rebooting in 86400 seconds..