./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor624850181 <...> [ 97.229664][ T27] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.34' (ED25519) to the list of known hosts. execve("./syz-executor624850181", ["./syz-executor624850181"], 0x7ffe9ea1f760 /* 10 vars */) = 0 brk(NULL) = 0x5555570c7000 brk(0x5555570c7d00) = 0x5555570c7d00 arch_prctl(ARCH_SET_FS, 0x5555570c7380) = 0 set_tid_address(0x5555570c7650) = 5049 set_robust_list(0x5555570c7660, 24) = 0 rseq(0x5555570c7ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor624850181", 4096) = 27 getrandom("\x21\x51\x10\xac\xa0\x44\x15\xce", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555570c7d00 brk(0x5555570e8d00) = 0x5555570e8d00 brk(0x5555570e9000) = 0x5555570e9000 mprotect(0x7f7094b92000, 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, child_tidptr=0x5555570c7650) = 5050 ./strace-static-x86_64: Process 5050 attached [pid 5050] set_robust_list(0x5555570c7660, 24) = 0 [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5050] setpgid(0, 0) = 0 [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5050] write(3, "1000", 4) = 4 [pid 5050] close(3) = 0 [pid 5050] memfd_create("syzkaller", 0) = 3 [pid 5050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f708c6e0000 [pid 5050] 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"..., 32768) = 32768 [pid 5050] munmap(0x7f708c6e0000, 32768) = 0 [pid 5050] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5050] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5050] close(3) = 0 [pid 5050] mkdir("./bus", 0777) = 0 [pid 5050] mount("/dev/loop0", "./bus", "hfs", 0, "") = 0 [pid 5050] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5050] chdir("./bus") = 0 [pid 5050] ioctl(4, LOOP_CLR_FD) = 0 [pid 5050] close(4) = 0 [pid 5050] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 [ 100.491232][ T5050] syz-executor624[5050]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 100.511233][ T5050] loop0: detected capacity change from 0 to 64 [pid 5050] write(4, "\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"..., 34136651 [pid 5049] kill(-5050, SIGKILL) = 0 [pid 5049] kill(5050, SIGKILL) = 0 [ 105.548945][ T2908] kworker/u4:13: attempt to access beyond end of device [ 105.548945][ T2908] loop0: rw=1048577, sector=95, nr_sectors = 1 limit=64 [ 105.562806][ T2908] Buffer I/O error on dev loop0, logical block 95, lost async page write [ 105.571394][ T2908] kworker/u4:13: attempt to access beyond end of device [ 105.571394][ T2908] loop0: rw=1048577, sector=96, nr_sectors = 1 limit=64 [ 105.585492][ T2908] Buffer I/O error on dev loop0, logical block 96, lost async page write [ 105.594324][ T2908] kworker/u4:13: attempt to access beyond end of device [ 105.594324][ T2908] loop0: rw=1048577, sector=98, nr_sectors = 1 limit=64 [ 105.608410][ T2908] Buffer I/O error on dev loop0, logical block 98, lost async page write [ 105.617199][ T2908] kworker/u4:13: attempt to access beyond end of device [ 105.617199][ T2908] loop0: rw=1048577, sector=100, nr_sectors = 1 limit=64 [ 105.631346][ T2908] Buffer I/O error on dev loop0, logical block 100, lost async page write [ 105.640210][ T2908] kworker/u4:13: attempt to access beyond end of device [ 105.640210][ T2908] loop0: rw=1048577, sector=101, nr_sectors = 1 limit=64 [ 105.654343][ T2908] Buffer I/O error on dev loop0, logical block 101, lost async page write [ 105.663217][ T2908] kworker/u4:13: attempt to access beyond end of device [ 105.663217][ T2908] loop0: rw=1048577, sector=102, nr_sectors = 1 limit=64 [ 105.677361][ T2908] Buffer I/O error on dev loop0, logical block 102, lost async page write [ 105.686223][ T2908] kworker/u4:13: attempt to access beyond end of device [pid 5049] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5049] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5049] getdents64(3, 0x5555570c86f0 /* 2 entries */, 32768) = 48 [pid 5049] getdents64(3, 0x5555570c86f0 /* 0 entries */, 32768) = 0 [pid 5049] close(3) = 0 [ 105.686223][ T2908] loop0: rw=1048577, sector=103, nr_sectors = 1 limit=64 [ 105.700364][ T2908] Buffer I/O error on dev loop0, logical block 103, lost async page write [ 105.708997][ T2908] kworker/u4:13: attempt to access beyond end of device [ 105.708997][ T2908] loop0: rw=1048577, sector=104, nr_sectors = 1 limit=64 [ 105.722921][ T2908] Buffer I/O error on dev loop0, logical block 104, lost async page write [ 105.736469][ T2908] kworker/u4:13: attempt to access beyond end of device [ 105.736469][ T2908] loop0: rw=1048577, sector=105, nr_sectors = 4064 limit=64 [ 286.668605][ T29] INFO: task kworker/u4:13:2908 blocked for more than 143 seconds. [ 286.676537][ T29] Not tainted 6.5.0-rc7-next-20230825-syzkaller #0 [ 286.683679][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.692443][ T29] task:kworker/u4:13 state:D stack:25664 pid:2908 ppid:2 flags:0x00004000 [ 286.701709][ T29] Workqueue: writeback wb_workfn (flush-7:0) [ 286.707774][ T29] Call Trace: [ 286.711103][ T29] [ 286.714059][ T29] __schedule+0xee1/0x59f0 [ 286.718594][ T29] ? blk_mq_try_issue_list_directly+0x590/0x590 [ 286.724900][ T29] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 286.730960][ T29] ? __stack_depot_save+0x247/0x510 [ 286.736222][ T29] ? io_schedule_timeout+0x150/0x150 [ 286.741560][ T29] ? __blk_flush_plug+0x2eb/0x430 [ 286.746617][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.751491][ T29] ? __mutex_lock+0x962/0x1340 [ 286.756297][ T29] ? do_raw_spin_lock+0x12e/0x2b0 [ 286.761391][ T29] ? spin_bug+0x1d0/0x1d0 [ 286.765769][ T29] schedule+0xe7/0x1b0 [ 286.769905][ T29] schedule_preempt_disabled+0x13/0x20 [ 286.775434][ T29] __mutex_lock+0x967/0x1340 [ 286.780084][ T29] ? hfs_find_init+0x17f/0x220 [ 286.784964][ T29] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 286.790579][ T29] ? kasan_set_track+0x25/0x30 [ 286.795430][ T29] ? hfs_find_init+0x17f/0x220 [ 286.800266][ T29] hfs_find_init+0x17f/0x220 [ 286.804923][ T29] hfs_ext_write_extent+0x18e/0x1f0 [ 286.810187][ T29] ? hfs_ext_keycmp+0x310/0x310 [ 286.815054][ T29] ? mpage_writepages+0x147/0x1a0 [ 286.820131][ T29] ? hfs_extend_file+0xb10/0xb10 [ 286.825115][ T29] hfs_write_inode+0xc4/0x9f0 [ 286.829862][ T29] ? fprop_reflect_period_percpu.isra.0+0x4b/0x2f0 [ 286.836533][ T29] ? hfs_inode_write_fork+0x1c0/0x1c0 [ 286.841966][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.846792][ T29] ? spin_bug+0x1d0/0x1d0 [ 286.851187][ T29] ? reacquire_held_locks+0x4b0/0x4b0 [ 286.856610][ T29] __writeback_single_inode+0xa81/0xe70 [ 286.862203][ T29] ? __mark_inode_dirty+0xd50/0xd50 [ 286.867432][ T29] ? _raw_spin_unlock+0x28/0x40 [ 286.872398][ T29] ? wbc_attach_and_unlock_inode+0x568/0x910 [ 286.878446][ T29] writeback_sb_inodes+0x599/0x1010 [ 286.883682][ T29] ? sync_inode_metadata+0xe0/0xe0 [ 286.888854][ T29] ? do_raw_spin_lock+0x12e/0x2b0 [ 286.893936][ T29] ? move_expired_inodes+0x59e/0x850 [ 286.899282][ T29] __writeback_inodes_wb+0xff/0x2d0 [ 286.904522][ T29] ? writeback_sb_inodes+0x1010/0x1010 [ 286.910059][ T29] ? queue_io+0x3ed/0x4e0 [ 286.914434][ T29] wb_writeback+0x7f8/0xa90 [ 286.918997][ T29] ? __writeback_inodes_wb+0x2d0/0x2d0 [ 286.924491][ T29] ? get_nr_dirty_inodes+0x176/0x1e0 [ 286.929857][ T29] wb_workfn+0x874/0xfd0 [ 286.934140][ T29] ? lock_release+0x4bf/0x680 [ 286.938919][ T29] ? inode_wait_for_writeback+0x30/0x30 [ 286.944505][ T29] ? do_raw_spin_unlock+0x173/0x230 [ 286.949952][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.954758][ T29] ? lock_acquire+0x464/0x510 [ 286.959520][ T29] ? lock_sync+0x190/0x190 [ 286.963982][ T29] ? spin_bug+0x1d0/0x1d0 [ 286.968353][ T29] ? rcu_is_watching+0x12/0xb0 [ 286.973186][ T29] process_one_work+0x887/0x15d0 [ 286.978168][ T29] ? lock_sync+0x190/0x190 [ 286.982684][ T29] ? init_worker_pool+0x770/0x770 [ 286.987753][ T29] ? assign_work+0x1a0/0x240 [ 286.992452][ T29] worker_thread+0x8bb/0x1290 [ 286.997264][ T29] ? __kthread_parkme+0x152/0x220 [ 287.002344][ T29] ? process_one_work+0x15d0/0x15d0 [ 287.007587][ T29] kthread+0x33a/0x430 [ 287.011711][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.017385][ T29] ret_from_fork+0x45/0x80 [ 287.021915][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.027597][ T29] ret_from_fork_asm+0x11/0x20 [ 287.032451][ T29] [ 287.035494][ T29] INFO: task syz-executor624:5050 blocked for more than 143 seconds. [ 287.043614][ T29] Not tainted 6.5.0-rc7-next-20230825-syzkaller #0 [ 287.050706][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.059516][ T29] task:syz-executor624 state:D stack:26944 pid:5050 ppid:5049 flags:0x00004006 [ 287.068789][ T29] Call Trace: [ 287.072085][ T29] [ 287.075023][ T29] __schedule+0xee1/0x59f0 [ 287.079501][ T29] ? rcu_is_watching+0x12/0xb0 [ 287.084300][ T29] ? trace_irq_enable.constprop.0+0xd0/0x100 [ 287.090355][ T29] ? irqentry_enter+0x2c/0x50 [ 287.095131][ T29] ? io_schedule_timeout+0x150/0x150 [ 287.100495][ T29] ? __mutex_lock+0x962/0x1340 [ 287.105302][ T29] ? do_raw_spin_lock+0x12e/0x2b0 [ 287.110396][ T29] ? spin_bug+0x1d0/0x1d0 [ 287.114775][ T29] ? mutex_spin_on_owner+0x1e3/0x2e0 [ 287.120132][ T29] schedule+0xe7/0x1b0 [ 287.124236][ T29] schedule_preempt_disabled+0x13/0x20 [ 287.129765][ T29] __mutex_lock+0x967/0x1340 [ 287.134396][ T29] ? hfs_find_init+0x17f/0x220 [ 287.139238][ T29] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 287.144848][ T29] ? kasan_set_track+0x25/0x30 [ 287.149703][ T29] ? hfs_find_init+0x17f/0x220 [ 287.154482][ T29] hfs_find_init+0x17f/0x220 [ 287.159173][ T29] hfs_ext_read_extent+0x19c/0x9d0 [ 287.164333][ T29] ? hfs_free_extents+0x2f0/0x2f0 [ 287.169422][ T29] ? do_raw_spin_unlock+0x173/0x230 [ 287.174677][ T29] hfs_extend_file+0x4e0/0xb10 [ 287.179520][ T29] ? hfs_free_fork+0x900/0x900 [ 287.184343][ T29] hfs_bmap_reserve+0x29c/0x370 [ 287.189295][ T29] __hfs_ext_write_extent+0x3cb/0x520 [ 287.194720][ T29] hfs_ext_read_extent+0x805/0x9d0 [ 287.199925][ T29] ? hfs_free_extents+0x2f0/0x2f0 [ 287.205018][ T29] ? clean_bdev_aliases+0x514/0x610 [ 287.210299][ T29] hfs_extend_file+0x4e0/0xb10 [ 287.215104][ T29] ? reacquire_held_locks+0x4b0/0x4b0 [ 287.220554][ T29] ? hfs_free_fork+0x900/0x900 [ 287.225363][ T29] hfs_get_block+0x17f/0x820 [ 287.230022][ T29] ? hfs_extend_file+0xb10/0xb10 [ 287.234996][ T29] __block_write_begin_int+0x3c0/0x1470 [ 287.240623][ T29] ? hfs_extend_file+0xb10/0xb10 [ 287.245616][ T29] ? invalidate_bh_lrus_cpu+0x170/0x170 [ 287.251243][ T29] ? folio_flags+0x71/0x1f0 [ 287.255848][ T29] block_write_begin+0xb1/0x490 [ 287.260805][ T29] ? hfs_extend_file+0xb10/0xb10 [ 287.265805][ T29] cont_write_begin+0x52f/0x730 [ 287.270737][ T29] ? hfs_extend_file+0xb10/0xb10 [ 287.275693][ T29] ? block_write_begin+0x490/0x490 [ 287.280870][ T29] ? fault_in_readable+0x106/0x200 [ 287.286040][ T29] ? fault_in_readable+0x150/0x200 [ 287.291239][ T29] ? fault_in_subpage_writeable+0x20/0x20 [ 287.297038][ T29] hfs_write_begin+0x87/0x140 [ 287.302569][ T29] ? hfs_extend_file+0xb10/0xb10 [ 287.307551][ T29] generic_perform_write+0x278/0x600 [ 287.312906][ T29] ? folio_add_wait_queue+0x1c0/0x1c0 [ 287.318318][ T29] ? generic_write_checks+0x2b0/0x3f0 [ 287.323764][ T29] __generic_file_write_iter+0x1f9/0x240 [ 287.329463][ T29] generic_file_write_iter+0xe3/0x350 [ 287.334880][ T29] vfs_write+0x650/0xe40 [ 287.339182][ T29] ? kernel_write+0x6c0/0x6c0 [ 287.343914][ T29] ? rcu_is_watching+0x12/0xb0 [ 287.348736][ T29] ? reacquire_held_locks+0x4b0/0x4b0 [ 287.354151][ T29] ? __fget_light+0x1fc/0x260 [ 287.358891][ T29] ksys_write+0x12f/0x250 [ 287.363258][ T29] ? __ia32_sys_read+0xb0/0xb0 [ 287.368039][ T29] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.373331][ T29] ? ptrace_notify+0xf4/0x130 [ 287.378051][ T29] do_syscall_64+0x38/0xb0 [ 287.382646][ T29] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.388711][ T29] RIP: 0033:0x7f7094b1ea59 [ 287.393162][ T29] RSP: 002b:00007ffe889a4368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 287.401733][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7094b1ea59 [ 287.409750][ T29] RDX: 000000000208e24b RSI: 0000000020000180 RDI: 0000000000000004 [ 287.417729][ T29] RBP: 00007f7094b925f0 R08: 00005555570c84c0 R09: 00005555570c84c0 [ 287.425765][ T29] R10: 00000000000002ba R11: 0000000000000246 R12: 00007ffe889a4390 [ 287.433805][ T29] R13: 00007ffe889a45b8 R14: 431bde82d7b634db R15: 00007f7094b6703b [ 287.441856][ T29] [ 287.444914][ T29] INFO: lockdep is turned off. [ 287.449740][ T29] NMI backtrace for cpu 0 [ 287.454082][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-rc7-next-20230825-syzkaller #0 [ 287.463381][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 287.473466][ T29] Call Trace: [ 287.476749][ T29] [ 287.479685][ T29] dump_stack_lvl+0xd9/0x1b0 [ 287.484308][ T29] nmi_cpu_backtrace+0x277/0x380 [ 287.489310][ T29] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 287.494545][ T29] nmi_trigger_cpumask_backtrace+0x299/0x300 [ 287.500549][ T29] watchdog+0xfac/0x1230 [ 287.504802][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 287.510799][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 287.516798][ T29] kthread+0x33a/0x430 [ 287.520976][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.526633][ T29] ret_from_fork+0x45/0x80 [ 287.531075][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 287.536731][ T29] ret_from_fork_asm+0x11/0x20 [ 287.541531][ T29] [ 287.544648][ T29] Sending NMI from CPU 0 to CPUs 1: [ 287.549911][ C1] NMI backtrace for cpu 1 [ 287.549923][ C1] CPU: 1 PID: 4486 Comm: klogd Not tainted 6.5.0-rc7-next-20230825-syzkaller #0 [ 287.549949][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 287.549962][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x8/0x20 [ 287.550011][ C1] Code: 00 00 f3 0f 1e fa 48 8b 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 f8 fe ff ff 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 8b 0c 24 <40> 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 d6 fe ff ff 66 0f 1f 44 [ 287.550035][ C1] RSP: 0018:ffffc9000316f4a0 EFLAGS: 00000246 [ 287.550054][ C1] RAX: 0000000000000001 RBX: ffffc9000316f528 RCX: ffffffff813a6214 [ 287.550070][ C1] RDX: ffff88807d690000 RSI: 0000000000000001 RDI: 0000000000000000 [ 287.550085][ C1] RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 [ 287.550099][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffc9000316fca8 [ 287.550114][ C1] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000001 [ 287.550129][ C1] FS: 00007faa97852380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 287.550154][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.550171][ C1] CR2: 000056143bacf680 CR3: 000000007d4dd000 CR4: 00000000003506e0 [ 287.550186][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.550201][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.550216][ C1] Call Trace: [ 287.550222][ C1] [ 287.550230][ C1] ? show_regs+0x8f/0xa0 [ 287.550259][ C1] ? nmi_cpu_backtrace+0x1d4/0x380 [ 287.550299][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 287.550335][ C1] ? nmi_handle+0x1a8/0x570 [ 287.550365][ C1] ? __sanitizer_cov_trace_const_cmp1+0x8/0x20 [ 287.550408][ C1] ? default_do_nmi+0x69/0x160 [ 287.550434][ C1] ? exc_nmi+0x171/0x1e0 [ 287.550457][ C1] ? end_repeat_nmi+0x16/0x31 [ 287.550525][ C1] ? unwind_next_frame+0x1aa4/0x2390 [ 287.550565][ C1] ? __sanitizer_cov_trace_const_cmp1+0x8/0x20 [ 287.550608][ C1] ? __sanitizer_cov_trace_const_cmp1+0x8/0x20 [ 287.550651][ C1] ? __sanitizer_cov_trace_const_cmp1+0x8/0x20 [ 287.550693][ C1] [ 287.550699][ C1] [ 287.550705][ C1] unwind_next_frame+0x1aa4/0x2390 [ 287.550745][ C1] ? unix_dgram_sendmsg+0x455/0x1c30 [ 287.550823][ C1] ? write_profile+0x450/0x450 [ 287.550860][ C1] arch_stack_walk+0xfa/0x170 [ 287.550894][ C1] ? sock_sendmsg+0xd9/0x180 [ 287.550965][ C1] stack_trace_save+0x96/0xd0 [ 287.551002][ C1] ? filter_irq_stacks+0x90/0x90 [ 287.551038][ C1] ? reacquire_held_locks+0x4b0/0x4b0 [ 287.551073][ C1] ? spin_bug+0x1d0/0x1d0 [ 287.551111][ C1] kasan_save_stack+0x33/0x50 [ 287.551150][ C1] ? kasan_save_stack+0x33/0x50 [ 287.551188][ C1] ? kasan_set_track+0x25/0x30 [ 287.551225][ C1] ? __kasan_slab_alloc+0x81/0x90 [ 287.551246][ C1] ? kmem_cache_alloc_node+0x185/0x3f0 [ 287.551283][ C1] ? __alloc_skb+0x287/0x330 [ 287.551348][ C1] ? alloc_skb_with_frags+0xe4/0x710 [ 287.551371][ C1] ? sock_alloc_send_pskb+0x7c8/0x950 [ 287.551401][ C1] ? unix_dgram_sendmsg+0x455/0x1c30 [ 287.551451][ C1] kasan_set_track+0x25/0x30 [ 287.551490][ C1] __kasan_slab_alloc+0x81/0x90 [ 287.551513][ C1] kmem_cache_alloc_node+0x185/0x3f0 [ 287.551555][ C1] __alloc_skb+0x287/0x330 [ 287.551592][ C1] ? __napi_build_skb+0x50/0x50 [ 287.551635][ C1] alloc_skb_with_frags+0xe4/0x710 [ 287.551659][ C1] ? lock_sync+0x190/0x190 [ 287.551691][ C1] ? rcu_preempt_deferred_qs_irqrestore+0x684/0xdb0 [ 287.551725][ C1] ? reacquire_held_locks+0x4b0/0x4b0 [ 287.551759][ C1] ? aa_label_sk_perm+0x154/0x540 [ 287.551804][ C1] sock_alloc_send_pskb+0x7c8/0x950 [ 287.551835][ C1] ? aa_profile_af_perm+0x470/0x470 [ 287.551872][ C1] ? sock_wmalloc+0x120/0x120 [ 287.551904][ C1] ? reacquire_held_locks+0x4b0/0x4b0 [ 287.551939][ C1] ? do_raw_spin_lock+0x12e/0x2b0 [ 287.551976][ C1] ? spin_bug+0x1d0/0x1d0 [ 287.552011][ C1] ? __rcu_read_unlock+0x2ad/0x570 [ 287.552044][ C1] unix_dgram_sendmsg+0x455/0x1c30 [ 287.552072][ C1] ? aa_sk_perm+0x2c1/0xae0 [ 287.552105][ C1] ? unix_dgram_connect+0xba0/0xba0 [ 287.552128][ C1] ? aa_af_perm+0x260/0x260 [ 287.552164][ C1] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 287.552202][ C1] ? unix_dgram_connect+0xba0/0xba0 [ 287.552228][ C1] sock_sendmsg+0xd9/0x180 [ 287.552263][ C1] __sys_sendto+0x255/0x340 [ 287.552302][ C1] ? __ia32_sys_getpeername+0xb0/0xb0 [ 287.552341][ C1] ? reacquire_held_locks+0x4b0/0x4b0 [ 287.552378][ C1] ? preempt_count_sub+0x150/0x150 [ 287.552435][ C1] ? folio_memcg_unlock+0x2d0/0x2d0 [ 287.552465][ C1] __x64_sys_sendto+0xe0/0x1b0 [ 287.552503][ C1] ? syscall_enter_from_user_mode+0x26/0x80 [ 287.552535][ C1] do_syscall_64+0x38/0xb0 [ 287.552574][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 287.552616][ C1] RIP: 0033:0x7faa979b49b5 [ 287.552633][ 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 [ 287.552656][ C1] RSP: 002b:00007fffe91a6858 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 287.552678][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faa979b49b5 [ 287.552693][ C1] RDX: 000000000000008b RSI: 000055f315610e90 RDI: 0000000000000003 [ 287.552708][ C1] RBP: 000055f31560c910 R08: 0000000000000000 R09: 0000000000000000 [ 287.552723][ C1] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 287.552737][ C1] R13: 00007faa97b42212 R14: 00007fffe91a6958 R15: 0000000000000000 [ 287.552762][ C1] [ 287.552769][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.859 msecs [ 287.552911][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 288.109593][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.5.0-rc7-next-20230825-syzkaller #0 [ 288.118890][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 288.128956][ T29] Call Trace: [ 288.132249][ T29] [ 288.135210][ T29] dump_stack_lvl+0xd9/0x1b0 [ 288.139843][ T29] panic+0x6a6/0x750 [ 288.143779][ T29] ? panic_smp_self_stop+0xa0/0xa0 [ 288.148917][ T29] ? __irq_work_queue_local+0x132/0x3f0 [ 288.154495][ T29] ? irq_work_queue+0x2a/0x70 [ 288.159200][ T29] ? watchdog+0xd63/0x1230 [ 288.163638][ T29] watchdog+0xd74/0x1230 [ 288.167901][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 288.173905][ T29] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 288.179995][ T29] kthread+0x33a/0x430 [ 288.184083][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 288.189740][ T29] ret_from_fork+0x45/0x80 [ 288.194267][ T29] ? kthread_complete_and_exit+0x40/0x40 [ 288.199921][ T29] ret_from_fork_asm+0x11/0x20 [ 288.204728][ T29] [ 288.207971][ T29] Kernel Offset: disabled [ 288.212299][ T29] Rebooting in 86400 seconds..