./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2249208517 <...> Warning: Permanently added '10.128.1.159' (ED25519) to the list of known hosts. execve("./syz-executor2249208517", ["./syz-executor2249208517"], 0x7ffdf0b84e00 /* 10 vars */) = 0 brk(NULL) = 0x5555629de000 brk(0x5555629ded00) = 0x5555629ded00 arch_prctl(ARCH_SET_FS, 0x5555629de380) = 0 set_tid_address(0x5555629de650) = 5232 set_robust_list(0x5555629de660, 24) = 0 rseq(0x5555629deca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2249208517", 4096) = 28 getrandom("\x68\xce\x66\x30\x25\x4f\x20\x01", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555629ded00 brk(0x5555629ffd00) = 0x5555629ffd00 brk(0x555562a00000) = 0x555562a00000 mprotect(0x7f816df6a000, 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 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 5234 attached , child_tidptr=0x5555629de650) = 5234 [pid 5234] set_robust_list(0x5555629de660, 24) = 0 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5234] setpgid(0, 0) = 0 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "1000", 4) = 4 [pid 5234] close(3) = 0 [pid 5234] write(1, "executing program\n", 18) = 18 executing program [pid 5234] memfd_create("syzkaller", 0) = 3 [pid 5234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8165a00000 [pid 5234] write(3, "\x58\x46\x53\x42\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa2\xf8\x2a\xab\x77\xf8\x42\x86\xaf\xd4\xa8\xf7\x47\xa7\x4b\xab\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x04\x20\x00\x00\x00\x00\x00\x00\x04\x21\x00\x00\x00\x00\x00\x00\x04\x22\x00\x00\x00\x01\x00\x00\x10\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x02\x04"..., 16777216) = 16777216 [pid 5234] munmap(0x7f8165a00000, 138412032) = 0 [pid 5234] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5234] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5234] close(3) = 0 [pid 5234] close(4) = 0 [pid 5234] mkdir("./file1", 0777) = 0 [ 125.643888][ T5234] loop0: detected capacity change from 0 to 32768 [ 125.681037][ T5234] ======================================================= [ 125.681037][ T5234] WARNING: The mand mount option has been deprecated and [ 125.681037][ T5234] and is ignored by this kernel. Remove the mand [ 125.681037][ T5234] option from the mount to silence this warning. [ 125.681037][ T5234] ======================================================= [ 125.716056][ T5234] XFS: ikeep mount option is deprecated. [ 125.721791][ T5234] XFS: noikeep mount option is deprecated. [ 125.734438][ T5234] XFS (loop0): Mounting V5 Filesystem a2f82aab-77f8-4286-afd4-a8f747a74bab [pid 5234] mount("/dev/loop0", "./file1", "xfs", MS_MANDLOCK, "pqnoenforce,noquota,usrquota,pqnoenforce,ikeep,prjquota,noikeep,,nouuid") = 0 [pid 5234] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5234] chdir("./file1") = 0 [pid 5234] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5234] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 4 [pid 5234] rename("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", NULL) = -1 EFAULT (Bad address) [pid 5234] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0 [pid 5234] open("./bus", O_RDONLY) = 5 [ 125.759598][ T5234] XFS (loop0): Ending clean mount [ 125.768129][ T5234] XFS (loop0): Quotacheck needed: Please wait. [ 125.792048][ T5234] XFS (loop0): Quotacheck: Done. [pid 5234] ioctl(5, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x61616161, lo_encrypt_type=0x61616161 /* LO_CRYPT_??? */, lo_encrypt_key_size=1633771873, lo_flags=LO_FLAGS_READ_ONLY|0x61616160, lo_name="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"..., lo_encrypt_key="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ...}) = 0 [pid 5234] open(".", O_RDONLY) = 6 [ 125.862545][ T5234] loop0: detected capacity change from 32768 to 0 [ 125.891466][ T5234] syz-executor224: attempt to access beyond end of device [ 125.891466][ T5234] loop0: rw=432129, sector=144, nr_sectors = 16 limit=0 [ 125.906062][ T43] XFS (loop0): log I/O error -5 [ 125.911003][ T43] XFS (loop0): Filesystem has been shut down due to log error (0x2). [ 125.919116][ T43] XFS (loop0): Please unmount the filesystem and rectify the problem(s). [pid 5234] ioctl(6, FS_IOC_SETFSLABEL, "\xbf\xca\x2f\xc2\xf6\x23\x18\xaf" [pid 5232] kill(-5234, SIGKILL) = 0 [pid 5232] kill(5234, SIGKILL) = 0 [pid 5232] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5232] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5232] getdents64(3, 0x5555629df6f0 /* 2 entries */, 32768) = 48 [pid 5232] getdents64(3, 0x5555629df6f0 /* 0 entries */, 32768) = 0 [pid 5232] close(3) = 0 [ 286.622353][ T30] INFO: task kworker/0:1H:43 blocked for more than 143 seconds. [ 286.630152][ T30] Not tainted 6.11.0-rc3-syzkaller-00271-g85652baa895b #0 [ 286.637838][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.646635][ T30] task:kworker/0:1H state:D stack:26736 pid:43 tgid:43 ppid:2 flags:0x00004000 [ 286.656866][ T30] Workqueue: xfs-log/loop0 xlog_ioend_work [ 286.662772][ T30] Call Trace: [ 286.666041][ T30] [ 286.668954][ T30] __schedule+0x17ae/0x4a10 [ 286.673502][ T30] ? __pfx___schedule+0x10/0x10 [ 286.678364][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.683473][ T30] ? __lock_acquire+0x137a/0x2040 [ 286.688507][ T30] ? kthread_data+0x52/0xd0 [ 286.693044][ T30] ? wq_worker_sleeping+0x66/0x240 [ 286.698161][ T30] ? schedule+0x90/0x320 [ 286.702432][ T30] schedule+0x14b/0x320 [ 286.706600][ T30] schedule_timeout+0xb0/0x310 [ 286.711350][ T30] ? __pfx_schedule_timeout+0x10/0x10 [ 286.716754][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.722775][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.727955][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.733205][ T30] __down_common+0x343/0x7f0 [ 286.737801][ T30] ? __pfx___down_common+0x10/0x10 [ 286.742935][ T30] ? _raw_spin_lock_irqsave+0xe1/0x120 [ 286.748400][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.753666][ T30] down+0x84/0xc0 [ 286.757314][ T30] ? xfs_buf_item_unpin+0x1dd/0x710 [ 286.762568][ T30] xfs_buf_lock+0x164/0x510 [ 286.767088][ T30] xfs_buf_item_unpin+0x1dd/0x710 [ 286.772129][ T30] ? __pfx_xfs_buf_item_unpin+0x10/0x10 [ 286.777715][ T30] xlog_cil_committed+0x82f/0xf00 [ 286.782810][ T30] ? __pfx_xlog_cil_committed+0x10/0x10 [ 286.788356][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.793576][ T30] ? xlog_state_shutdown_callbacks+0x2b2/0x3b0 [ 286.799731][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.805652][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 286.810688][ T30] xlog_cil_process_committed+0x15c/0x1b0 [ 286.816445][ T30] xlog_state_shutdown_callbacks+0x2ba/0x3b0 [ 286.822456][ T30] ? __pfx_xlog_state_shutdown_callbacks+0x10/0x10 [ 286.828939][ T30] ? do_raw_spin_unlock+0x13c/0x8b0 [ 286.834199][ T30] ? __wake_up_common_lock+0x18c/0x1e0 [ 286.839669][ T30] xlog_force_shutdown+0x32c/0x390 [ 286.844817][ T30] xlog_ioend_work+0xad/0x100 [ 286.849499][ T30] ? process_scheduled_works+0x945/0x1830 [ 286.855248][ T30] process_scheduled_works+0xa2c/0x1830 [ 286.860810][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 286.866837][ T30] ? assign_work+0x364/0x3d0 [ 286.871436][ T30] worker_thread+0x86d/0xd40 [ 286.876068][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.881969][ T30] ? __kthread_parkme+0x169/0x1d0 [ 286.887044][ T30] ? __pfx_worker_thread+0x10/0x10 [ 286.892171][ T30] kthread+0x2f0/0x390 [ 286.896285][ T30] ? __pfx_worker_thread+0x10/0x10 [ 286.901400][ T30] ? __pfx_kthread+0x10/0x10 [ 286.906027][ T30] ret_from_fork+0x4b/0x80 [ 286.910458][ T30] ? __pfx_kthread+0x10/0x10 [ 286.915084][ T30] ret_from_fork_asm+0x1a/0x30 [ 286.919864][ T30] [ 286.924185][ T30] INFO: task syz-executor224:5234 blocked for more than 143 seconds. [ 286.932239][ T30] Not tainted 6.11.0-rc3-syzkaller-00271-g85652baa895b #0 [ 286.939897][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.948596][ T30] task:syz-executor224 state:D stack:22224 pid:5234 tgid:5234 ppid:5232 flags:0x00004006 [ 286.958816][ T30] Call Trace: [ 286.962095][ T30] [ 286.965063][ T30] __schedule+0x17ae/0x4a10 [ 286.969586][ T30] ? __pfx___schedule+0x10/0x10 [ 286.974472][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.979503][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.985427][ T30] ? schedule+0x90/0x320 [ 286.989677][ T30] schedule+0x14b/0x320 [ 286.993864][ T30] xlog_wait_on_iclog+0x501/0x770 [ 286.998891][ T30] ? __pfx_xlog_wait_on_iclog+0x10/0x10 [ 287.004461][ T30] ? __pfx_default_wake_function+0x10/0x10 [ 287.010271][ T30] ? xlog_state_release_iclog+0x425/0x7b0 [ 287.016035][ T30] ? xlog_force_lsn+0x801/0x9e0 [ 287.020901][ T30] xlog_force_lsn+0x523/0x9e0 [ 287.025641][ T30] ? __pfx_xlog_force_lsn+0x10/0x10 [ 287.030853][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.037231][ T30] ? rcu_is_watching+0x15/0xb0 [ 287.042002][ T30] ? __xfs_trans_commit+0xb98/0x1290 [ 287.047311][ T30] xfs_log_force_seq+0x1da/0x450 [ 287.052299][ T30] __xfs_trans_commit+0xb98/0x1290 [ 287.057414][ T30] ? rcu_is_watching+0x15/0xb0 [ 287.062162][ T30] ? __pfx___xfs_trans_commit+0x10/0x10 [ 287.067737][ T30] ? rcu_is_watching+0x15/0xb0 [ 287.072548][ T30] xfs_sync_sb_buf+0x2dc/0x370 [ 287.077302][ T30] ? __pfx_xfs_sync_sb_buf+0x10/0x10 [ 287.082629][ T30] xfs_file_ioctl+0x165b/0x19e0 [ 287.087488][ T30] ? __pfx_xfs_file_ioctl+0x10/0x10 [ 287.092728][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.099061][ T30] ? tomoyo_path_number_perm+0x208/0x880 [ 287.104775][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.109813][ T30] ? kfree+0x149/0x360 [ 287.113981][ T30] ? tomoyo_path_number_perm+0x71a/0x880 [ 287.119645][ T30] ? tomoyo_path_number_perm+0x208/0x880 [ 287.125300][ T30] ? smack_log+0x123/0x540 [ 287.129718][ T30] ? __pfx_tomoyo_path_number_perm+0x10/0x10 [ 287.135731][ T30] ? __pfx_smack_log+0x10/0x10 [ 287.140499][ T30] ? smk_access+0x4ab/0x4e0 [ 287.145060][ T30] ? smk_tskacc+0x300/0x370 [ 287.149576][ T30] ? smack_file_ioctl+0x2a1/0x3a0 [ 287.154647][ T30] ? __pfx_smack_file_ioctl+0x10/0x10 [ 287.160038][ T30] ? __pfx_ptrace_notify+0x10/0x10 [ 287.165201][ T30] ? bpf_lsm_file_ioctl+0x9/0x10 [ 287.170143][ T30] ? security_file_ioctl+0x87/0xb0 [ 287.175296][ T30] ? __pfx_xfs_file_ioctl+0x10/0x10 [ 287.180502][ T30] __se_sys_ioctl+0xfc/0x170 [ 287.185122][ T30] do_syscall_64+0xf3/0x230 [ 287.189629][ T30] ? clear_bhb_loop+0x35/0x90 [ 287.194327][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.200229][ T30] RIP: 0033:0x7f816deedc99 [ 287.204683][ T30] RSP: 002b:00007fff94625058 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 287.213126][ T30] RAX: ffffffffffffffda RBX: 0000000020000100 RCX: 00007f816deedc99 [ 287.221077][ T30] RDX: 0000000020000340 RSI: 0000000041009432 RDI: 0000000000000006 [ 287.229067][ T30] RBP: 00007f816df6a5f0 R08: 00005555629df4c0 R09: 00005555629df4c0 [ 287.237061][ T30] R10: 00005555629df4c0 R11: 0000000000000246 R12: 00007fff94625080 [ 287.245057][ T30] R13: 00007fff946252a8 R14: 431bde82d7b634db R15: 00007f816df3603b [ 287.253078][ T30] [ 287.256133][ T30] [ 287.256133][ T30] Showing all locks held in the system: [ 287.263912][ T30] 1 lock held by khungtaskd/30: [ 287.268759][ T30] #0: ffffffff8e7382e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 287.278644][ T30] 2 locks held by kworker/0:1H/43: [ 287.283790][ T30] #0: ffff888022723148 ((wq_completion)xfs-log/loop0){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 287.295438][ T30] #1: ffffc90000b37d00 ((work_completion)(&iclog->ic_end_io_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 287.308226][ T30] 2 locks held by getty/4972: [ 287.312916][ T30] #0: ffff8880303d20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.322719][ T30] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ac/0x1e00 [ 287.332846][ T30] 1 lock held by syz-executor224/5234: [ 287.338298][ T30] #0: ffff8880118c2420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write_file+0x61/0x200 [ 287.347987][ T30] [ 287.350307][ T30] ============================================= [ 287.350307][ T30] [ 287.358741][ T30] NMI backtrace for cpu 0 [ 287.363066][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc3-syzkaller-00271-g85652baa895b #0 [ 287.373542][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 287.383575][ T30] Call Trace: [ 287.386832][ T30] [ 287.389753][ T30] dump_stack_lvl+0x241/0x360 [ 287.394433][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.399608][ T30] ? __pfx__printk+0x10/0x10 [ 287.404176][ T30] ? vprintk_emit+0x631/0x770 [ 287.408829][ T30] ? __pfx_vprintk_emit+0x10/0x10 [ 287.413840][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.418773][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.424220][ T30] ? _printk+0xd5/0x120 [ 287.428365][ T30] ? __pfx__printk+0x10/0x10 [ 287.432946][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.437784][ T30] ? __pfx__printk+0x10/0x10 [ 287.442368][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.448337][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.454758][ T30] watchdog+0xff4/0x1040 [ 287.459003][ T30] ? watchdog+0x1ea/0x1040 [ 287.463417][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.468085][ T30] kthread+0x2f0/0x390 [ 287.472149][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.476814][ T30] ? __pfx_kthread+0x10/0x10 [ 287.481397][ T30] ret_from_fork+0x4b/0x80 [ 287.485802][ T30] ? __pfx_kthread+0x10/0x10 [ 287.490393][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.495158][ T30] [ 287.498235][ T30] Sending NMI from CPU 0 to CPUs 1: [ 287.503488][ C1] NMI backtrace for cpu 1 [ 287.503499][ C1] CPU: 1 UID: 0 PID: 1057 Comm: kworker/u8:5 Not tainted 6.11.0-rc3-syzkaller-00271-g85652baa895b #0 [ 287.503518][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 287.503528][ C1] Workqueue: events_unbound toggle_allocation_gate [ 287.503550][ C1] RIP: 0010:preempt_count_add+0x6/0x190 [ 287.503572][ C1] Code: 48 8b 3c 24 e8 cb aa 94 00 eb 8c e9 ee fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 <41> 56 53 89 fb 48 c7 c0 c0 a9 ce 94 48 c1 e8 03 49 bf 00 00 00 00 [ 287.503589][ C1] RSP: 0018:ffffc90003b77498 EFLAGS: 00000002 [ 287.503602][ C1] RAX: 0000000000000002 RBX: ffff8880b933e9c0 RCX: ffffffff94cea903 [ 287.503614][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 287.503623][ C1] RBP: 0000000000000000 R08: ffffffff813578d1 R09: 1ffff11017267d38 [ 287.503634][ C1] R10: dffffc0000000000 R11: ffffed1017267d39 R12: dffffc0000000000 [ 287.503646][ C1] R13: 00000000fffffabc R14: ffffc90003b77600 R15: ffffffff8e080a48 [ 287.503658][ C1] FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 287.503672][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.503683][ C1] CR2: 00005628b5ca0680 CR3: 000000000e534000 CR4: 00000000003506f0 [ 287.503696][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.503706][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.503716][ C1] Call Trace: [ 287.503723][ C1] [ 287.503729][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.503749][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.503772][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.503790][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.503813][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.503833][ C1] ? nmi_handle+0x14f/0x5a0 [ 287.503847][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.503863][ C1] ? preempt_count_add+0x6/0x190 [ 287.503880][ C1] ? default_do_nmi+0x63/0x160 [ 287.503900][ C1] ? exc_nmi+0x123/0x1f0 [ 287.503919][ C1] ? end_repeat_nmi+0xf/0x53 [ 287.503940][ C1] ? sched_clock+0x41/0x70 [ 287.503960][ C1] ? preempt_count_add+0x6/0x190 [ 287.503979][ C1] ? preempt_count_add+0x6/0x190 [ 287.503998][ C1] ? preempt_count_add+0x6/0x190 [ 287.504016][ C1] [ 287.504021][ C1] [ 287.504027][ C1] _raw_spin_lock_nested+0x15/0x40 [ 287.504050][ C1] raw_spin_rq_lock_nested+0x2a/0x140 [ 287.504072][ C1] sched_balance_update_blocked_averages+0x140/0x16a0 [ 287.504093][ C1] ? sched_balance_newidle+0x2c0/0xfd0 [ 287.504114][ C1] ? kvm_sched_clock_read+0x11/0x20 [ 287.504137][ C1] ? sched_clock_cpu+0x76/0x490 [ 287.504155][ C1] ? __pfx_sched_balance_update_blocked_averages+0x10/0x10 [ 287.504173][ C1] ? __pfx_sched_clock_cpu+0x10/0x10 [ 287.504189][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 287.504209][ C1] ? sched_balance_newidle+0x2c0/0xfd0 [ 287.504229][ C1] sched_balance_newidle+0x49a/0xfd0 [ 287.504252][ C1] ? sched_balance_newidle+0x2c0/0xfd0 [ 287.504277][ C1] ? __pfx_sched_balance_newidle+0x10/0x10 [ 287.504296][ C1] ? sched_clock_cpu+0x76/0x490 [ 287.504317][ C1] pick_next_task_fair+0x27a/0xde0 [ 287.504341][ C1] __pick_next_task+0xb0/0x2c0 [ 287.504358][ C1] __schedule+0x728/0x4a10 [ 287.504396][ C1] ? __pfx___schedule+0x10/0x10 [ 287.504417][ C1] ? schedule+0x90/0x320 [ 287.504437][ C1] ? __pfx_lock_release+0x10/0x10 [ 287.504456][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.504480][ C1] ? kthread_data+0x52/0xd0 [ 287.504501][ C1] ? wq_worker_sleeping+0x66/0x240 [ 287.504523][ C1] ? schedule+0x90/0x320 [ 287.504543][ C1] schedule+0x14b/0x320 [ 287.504564][ C1] toggle_allocation_gate+0x16a/0x250 [ 287.504584][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 287.504603][ C1] ? __pfx_autoremove_wake_function+0x10/0x10 [ 287.504629][ C1] ? process_scheduled_works+0x945/0x1830 [ 287.504649][ C1] process_scheduled_works+0xa2c/0x1830 [ 287.504684][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.504709][ C1] ? assign_work+0x364/0x3d0 [ 287.504731][ C1] worker_thread+0x86d/0xd40 [ 287.504756][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.504779][ C1] ? __kthread_parkme+0x169/0x1d0 [ 287.504802][ C1] ? __pfx_worker_thread+0x10/0x10 [ 287.504822][ C1] kthread+0x2f0/0x390 [ 287.504844][ C1] ? __pfx_worker_thread+0x10/0x10 [ 287.504864][ C1] ? __pfx_kthread+0x10/0x10 [ 287.504886][ C1] ret_from_fork+0x4b/0x80 [ 287.504907][ C1] ? __pfx_kthread+0x10/0x10 [ 287.504929][ C1] ret_from_fork_asm+0x1a/0x30 [ 287.504959][ C1] [ 287.504966][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.477 msecs [ 287.505490][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.505501][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc3-syzkaller-00271-g85652baa895b #0 [ 287.505522][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 287.505531][ T30] Call Trace: [ 287.505538][ T30] [ 287.505545][ T30] dump_stack_lvl+0x241/0x360 [ 287.505567][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.505584][ T30] ? __pfx__printk+0x10/0x10 [ 287.505604][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.505636][ T30] ? vscnprintf+0x5d/0x90 [ 287.505658][ T30] panic+0x349/0x860 [ 287.505682][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.505703][ T30] ? __pfx_panic+0x10/0x10 [ 287.505723][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.505742][ T30] ? __irq_work_queue_local+0x137/0x410 [ 287.505764][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 287.505782][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.505801][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 287.505823][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 287.505846][ T30] watchdog+0x1033/0x1040 [ 287.505869][ T30] ? watchdog+0x1ea/0x1040 [ 287.505895][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.505916][ T30] kthread+0x2f0/0x390 [ 287.505939][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.505959][ T30] ? __pfx_kthread+0x10/0x10 [ 287.505981][ T30] ret_from_fork+0x4b/0x80 [ 287.506002][ T30] ? __pfx_kthread+0x10/0x10 [ 287.506024][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.506057][ T30] [ 287.509761][ T30] Kernel Offset: disabled [ 288.112628][ T30] Rebooting in 86400 seconds..