./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1703977304 <...> forked to background, child pid 3182 no interfa[ 18.545266][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 ces have a carrier [ 18.555181][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.82' (ECDSA) to the list of known hosts. execve("./syz-executor1703977304", ["./syz-executor1703977304"], 0x7ffefe0cb490 /* 10 vars */) = 0 brk(NULL) = 0x5555567bc000 brk(0x5555567bcc40) = 0x5555567bcc40 arch_prctl(ARCH_SET_FS, 0x5555567bc300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1703977304", 4096) = 28 brk(0x5555567ddc40) = 0x5555567ddc40 brk(0x5555567de000) = 0x5555567de000 mprotect(0x7feea226d000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3604 attached , child_tidptr=0x5555567bc5d0) = 3604 [pid 3604] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3604] setsid() = 1 [pid 3604] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3604] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3604] unshare(CLONE_NEWNS) = 0 [pid 3604] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3604] unshare(CLONE_NEWIPC) = 0 [pid 3604] unshare(CLONE_NEWCGROUP) = 0 [pid 3604] unshare(CLONE_NEWUTS) = 0 [pid 3604] unshare(CLONE_SYSVSEM) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "16777216", 8) = 8 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "536870912", 9) = 9 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "8192", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024", 4) = 4 [pid 3604] close(3) = 0 [pid 3604] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3604] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3604] close(3) = 0 [pid 3604] getpid() = 1 [pid 3604] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 38.088119][ C0] dump_stack_lvl+0xcd/0x134 [ 38.088140][ C0] print_report.cold+0x2ba/0x719 [ 38.088159][ C0] ? si470x_int_in_callback.cold+0x96/0xbf [ 38.088183][ C0] kasan_report+0xb1/0x1e0 [ 38.088211][ C0] ? si470x_int_in_callback.cold+0x96/0xbf [ 38.088235][ C0] si470x_int_in_callback.cold+0x96/0xbf [ 38.088259][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 38.088280][ C0] ? lock_acquire+0x480/0x570 [ 38.088297][ C0] ? si470x_fops_read+0x7a0/0x7a0 [ 38.088317][ C0] ? usb_hcd_unmap_urb_for_dma+0x105/0x6d0 [ 38.088344][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 38.088370][ C0] usb_hcd_giveback_urb+0x380/0x430 [ 38.088396][ C0] dummy_timer+0x11ff/0x32c0 [ 38.088415][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.088446][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.088474][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.088501][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.088528][ C0] ? lock_acquire+0x480/0x570 [ 38.088546][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 38.088564][ C0] ? dummy_dequeue+0x500/0x500 [ 38.088581][ C0] ? scheduler_tick+0x25f/0x5e0 [ 38.088604][ C0] ? dummy_dequeue+0x500/0x500 [ 38.088620][ C0] call_timer_fn+0x1a0/0x6b0 [ 38.088641][ C0] ? timer_fixup_activate+0x350/0x350 [ 38.088662][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 38.088680][ C0] ? __next_timer_interrupt+0x244/0x2c0 [ 38.088700][ C0] ? dummy_dequeue+0x500/0x500 [ 38.088716][ C0] ? dummy_dequeue+0x500/0x500 [ 38.088733][ C0] ? dummy_dequeue+0x500/0x500 [ 38.088751][ C0] __run_timers.part.0+0x674/0xa80 [ 38.088774][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 38.088800][ C0] ? prepare_to_wait+0x370/0x370 [ 38.088817][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 38.088837][ C0] ? sched_clock_cpu+0x69/0x2b0 [ 38.088857][ C0] run_timer_softirq+0xb3/0x1d0 [ 38.088877][ C0] __do_softirq+0x1d0/0x9c8 [ 38.088904][ C0] __irq_exit_rcu+0x123/0x180 [ 38.088923][ C0] irq_exit_rcu+0x5/0x20 [ 38.088940][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 38.088968][ C0] [ 38.088973][ C0] [ 38.088979][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 38.089002][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 38.089028][ C0] Code: 48 89 ef 5d e9 f1 c4 4c 00 5d be 03 00 00 00 e9 d6 43 84 02 66 0f 1f 44 00 00 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 <65> 8b 05 f9 24 87 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b [ 38.089045][ C0] RSP: 0018:ffffc90000146e70 EFLAGS: 00000293 [ 38.089059][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 38.089069][ C0] RDX: ffff888011a73b00 RSI: ffffffff8160ec05 RDI: 0000000000000007 [ 38.089081][ C0] RBP: ffffc90000147018 R08: 0000000000000007 R09: 0000000000000000 [ 38.089092][ C0] R10: 0000000000000200 R11: 69732d6f69646172 R12: 0000000000000001 [ 38.089103][ C0] R13: ffffffff9119cda0 R14: 0000000000000200 R15: ffffffff8ca38e58 [ 38.089118][ C0] ? console_emit_next_record.constprop.0+0x4f5/0x840 [ 38.089140][ C0] console_emit_next_record.constprop.0+0x4fb/0x840 [ 38.089161][ C0] ? devkmsg_read+0x730/0x730 [ 38.089181][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.089208][ C0] ? lock_acquire+0x480/0x570 [ 38.089238][ C0] ? lock_release+0x780/0x780 [ 38.089255][ C0] console_unlock+0x37a/0x5a0 [ 38.089273][ C0] ? console_emit_next_record.constprop.0+0x840/0x840 [ 38.089298][ C0] ? vprintk+0x80/0x90 [ 38.089316][ C0] vprintk_emit+0x1b9/0x5f0 [ 38.089335][ C0] vprintk+0x80/0x90 [ 38.089351][ C0] _printk+0xba/0xed [ 38.089373][ C0] ? record_print_text.cold+0x16/0x16 [ 38.089395][ C0] ? rpm_drop_usage_count+0x46/0x80 [ 38.089416][ C0] ? __pm_runtime_suspend+0xd0/0x2d0 [ 38.089437][ C0] ? usb_probe_interface+0x3b5/0x7f0 [ 38.089457][ C0] really_probe.cold+0x69/0x175 [ 38.089475][ C0] __driver_probe_device+0x1df/0x4d0 [ 38.089498][ C0] ? usb_match_id.part.0+0x15d/0x1b0 [ 38.089516][ C0] driver_probe_device+0x4c/0x1a0 [ 38.089539][ C0] __device_attach_driver+0x1d0/0x2e0 [ 38.089562][ C0] ? driver_allows_async_probing+0x170/0x170 [ 38.089586][ C0] bus_for_each_drv+0x15f/0x1e0 [ 38.089606][ C0] ? bus_for_each_dev+0x1d0/0x1d0 [ 38.089625][ C0] ? trace_hardirqs_on+0x2d/0x120 [ 38.089651][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 38.089671][ C0] __device_attach+0x1e4/0x530 [ 38.089693][ C0] ? device_driver_attach+0x210/0x210 [ 38.089717][ C0] ? kobject_uevent_env+0x2a7/0x1640 [ 38.089744][ C0] bus_probe_device+0x1e4/0x290 [ 38.089766][ C0] device_add+0xbd5/0x1e90 [ 38.089792][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 38.089809][ C0] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 38.089831][ C0] ? trace_hardirqs_on+0x2d/0x120 [ 38.089858][ C0] usb_set_configuration+0x1019/0x1900 [ 38.089880][ C0] usb_generic_driver_probe+0xba/0x100 [ 38.089907][ C0] usb_probe_device+0xd4/0x2c0 [ 38.089924][ C0] ? usb_driver_release_interface+0x180/0x180 [ 38.089942][ C0] really_probe+0x249/0xb90 [ 38.089965][ C0] __driver_probe_device+0x1df/0x4d0 [ 38.089988][ C0] driver_probe_device+0x4c/0x1a0 [ 38.090011][ C0] __device_attach_driver+0x1d0/0x2e0 [ 38.090035][ C0] ? driver_allows_async_probing+0x170/0x170 [ 38.090058][ C0] bus_for_each_drv+0x15f/0x1e0 [ 38.090078][ C0] ? bus_for_each_dev+0x1d0/0x1d0 [ 38.090097][ C0] ? trace_hardirqs_on+0x2d/0x120 [ 38.090123][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 38.090143][ C0] __device_attach+0x1e4/0x530 [ 38.090164][ C0] ? device_driver_attach+0x210/0x210 [ 38.090188][ C0] ? kobject_uevent_env+0x2a7/0x1640 [ 38.090214][ C0] bus_probe_device+0x1e4/0x290 [ 38.090236][ C0] device_add+0xbd5/0x1e90 [ 38.090255][ C0] ? usb_match_device+0xd4/0x550 [ 38.090271][ C0] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 38.090291][ C0] ? usb_detect_static_quirks+0x305/0x3b0 [ 38.090320][ C0] usb_new_device.cold+0x685/0x10ad [ 38.090341][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 38.090359][ C0] ? hub_disconnect+0x510/0x510 [ 38.090379][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 38.090399][ C0] hub_event+0x26c7/0x45e0 [ 38.090428][ C0] ? hub_port_debounce+0x3b0/0x3b0 [ 38.090450][ C0] ? __irq_build_affinity_masks+0x1090/0x12a0 [ 38.090472][ C0] ? lock_acquire+0x480/0x570 [ 38.090488][ C0] ? lock_release+0x780/0x780 [ 38.090504][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 38.090520][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 38.090538][ C0] ? read_word_at_a_time+0xe/0x20 [ 38.090556][ C0] ? strscpy+0xa1/0x2a0 [ 38.090575][ C0] process_one_work+0x991/0x1610 [ 38.090599][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 38.090622][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 38.090643][ C0] worker_thread+0x665/0x1080 [ 38.090666][ C0] ? __kthread_parkme+0x15f/0x220 [ 38.090683][ C0] ? process_one_work+0x1610/0x1610 [ 38.090705][ C0] kthread+0x2e4/0x3a0 [ 38.090721][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 38.090741][ C0] ret_from_fork+0x1f/0x30 [ 38.090768][ C0] [ 38.090774][ C0] [ 38.090776][ C0] Allocated by task 15: [ 38.090788][ C0] kasan_save_stack+0x1e/0x40 [ 38.090808][ C0] __kasan_kmalloc+0xa9/0xd0 [ 38.090828][ C0] si470x_usb_driver_probe+0x51/0xf90 [ 38.090843][ C0] usb_probe_interface+0x30b/0x7f0 [ 38.090859][ C0] really_probe+0x249/0xb90 [ 38.090878][ C0] __driver_probe_device+0x1df/0x4d0 [ 38.090899][ C0] driver_probe_device+0x4c/0x1a0 [ 38.090919][ C0] __device_attach_driver+0x1d0/0x2e0 [ 38.090940][ C0] bus_for_each_drv+0x15f/0x1e0 [ 38.090958][ C0] __device_attach+0x1e4/0x530 [ 38.090978][ C0] bus_probe_device+0x1e4/0x290 [ 38.090996][ C0] device_add+0xbd5/0x1e90 [ 38.091017][ C0] usb_set_configuration+0x1019/0x1900 [ 38.091032][ C0] usb_generic_driver_probe+0xba/0x100 [ 38.091056][ C0] usb_probe_device+0xd4/0x2c0 [ 38.091070][ C0] really_probe+0x249/0xb90 [ 38.091090][ C0] __driver_probe_device+0x1df/0x4d0 [ 38.091110][ C0] driver_probe_device+0x4c/0x1a0 [ 38.091131][ C0] __device_attach_driver+0x1d0/0x2e0 [ 38.091152][ C0] bus_for_each_drv+0x15f/0x1e0 [ 38.091169][ C0] __device_attach+0x1e4/0x530 [ 38.091189][ C0] bus_probe_device+0x1e4/0x290 [ 38.091208][ C0] device_add+0xbd5/0x1e90 [ 38.091223][ C0] usb_new_device.cold+0x685/0x10ad [ 38.091239][ C0] hub_event+0x26c7/0x45e0 [ 38.091258][ C0] process_one_work+0x991/0x1610 [ 38.091277][ C0] worker_thread+0x665/0x1080 [ 38.091296][ C0] kthread+0x2e4/0x3a0 [ 38.091311][ C0] ret_from_fork+0x1f/0x30 [ 38.091331][ C0] [ 38.091334][ C0] Freed by task 15: [ 38.091340][ C0] kasan_save_stack+0x1e/0x40 [ 38.091360][ C0] kasan_set_track+0x21/0x30 [ 38.091379][ C0] kasan_set_free_info+0x20/0x30 [ 38.091402][ C0] ____kasan_slab_free+0x166/0x1c0 [ 38.091423][ C0] slab_free_freelist_hook+0x8b/0x1c0 [ 38.091440][ C0] kfree+0xe2/0x580 [ 38.091456][ C0] si470x_usb_driver_probe+0xb3d/0xf90 [ 38.091471][ C0] usb_probe_interface+0x30b/0x7f0 [ 38.091487][ C0] really_probe+0x249/0xb90 [ 38.091506][ C0] __driver_probe_device+0x1df/0x4d0 [ 38.091527][ C0] driver_probe_device+0x4c/0x1a0 [ 38.091547][ C0] __device_attach_driver+0x1d0/0x2e0 [ 38.091568][ C0] bus_for_each_drv+0x15f/0x1e0 [ 38.091586][ C0] __device_attach+0x1e4/0x530 [ 38.091606][ C0] bus_probe_device+0x1e4/0x290 [ 38.091624][ C0] device_add+0xbd5/0x1e90 [ 38.091640][ C0] usb_set_configuration+0x1019/0x1900 [ 38.091654][ C0] usb_generic_driver_probe+0xba/0x100 [ 38.091678][ C0] usb_probe_device+0xd4/0x2c0 [ 38.091693][ C0] really_probe+0x249/0xb90 [ 38.091712][ C0] __driver_probe_device+0x1df/0x4d0 [ 38.091733][ C0] driver_probe_device+0x4c/0x1a0 [ 38.091753][ C0] __device_attach_driver+0x1d0/0x2e0 [ 38.091775][ C0] bus_for_each_drv+0x15f/0x1e0 [ 38.091795][ C0] __device_attach+0x1e4/0x530 [ 38.091815][ C0] bus_probe_device+0x1e4/0x290 [ 38.091834][ C0] device_add+0xbd5/0x1e90 [ 38.091850][ C0] usb_new_device.cold+0x685/0x10ad [ 38.091865][ C0] hub_event+0x26c7/0x45e0 [ 38.091884][ C0] process_one_work+0x991/0x1610 [ 38.091903][ C0] worker_thread+0x665/0x1080 [ 38.091922][ C0] kthread+0x2e4/0x3a0 [ 38.091937][ C0] ret_from_fork+0x1f/0x30 [ 38.091957][ C0] [ 38.091960][ C0] The buggy address belongs to the object at ffff8880745f8000 [ 38.091960][ C0] which belongs to the cache kmalloc-4k of size 4096 [ 38.091972][ C0] The buggy address is located 2752 bytes inside of [ 38.091972][ C0] 4096-byte region [ffff8880745f8000, ffff8880745f9000) [ 38.091987][ C0] [ 38.091990][ C0] The buggy address belongs to the physical page: [ 38.091996][ C0] page:ffffea0001d17e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8880745fa000 pfn:0x745f8 [ 38.092014][ C0] head:ffffea0001d17e00 order:3 compound_mapcount:0 compound_pincount:0 [ 38.092026][ C0] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 38.092049][ C0] raw: 00fff00000010200 ffffea0001d50e08 ffffea0001d8c608 ffff888011842140 [ 38.092064][ C0] raw: ffff8880745fa000 0000000000040001 00000001ffffffff 0000000000000000 [ 38.092073][ C0] page dumped because: kasan: bad access detected [ 38.092079][ C0] page_owner tracks the page as allocated [ 38.092084][ C0] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3002, tgid 3002 (v4l_id), ts 13703109583, free_ts 9844300769 [ 38.092113][ C0] get_page_from_freelist+0x109b/0x2ce0 [ 38.092138][ C0] __alloc_pages+0x1c7/0x510 [ 38.092162][ C0] alloc_pages+0x1a6/0x270 [ 38.092182][ C0] allocate_slab+0x27e/0x3d0 [ 38.092198][ C0] ___slab_alloc+0x84f/0xe80 [ 38.092216][ C0] __slab_alloc.constprop.0+0x4d/0xa0 [ 38.092234][ C0] __kmalloc+0x32b/0x340 [ 38.092251][ C0] tomoyo_realpath_from_path+0xbf/0x600 [ 38.092275][ C0] tomoyo_path_perm+0x21b/0x400 [ 38.092293][ C0] security_inode_getattr+0xcf/0x140 [ 38.092314][ C0] vfs_statx+0x16e/0x430 [ 38.092330][ C0] vfs_fstatat+0x8c/0xb0 [ 38.092344][ C0] __do_sys_newfstatat+0x94/0x120 [ 38.092361][ C0] do_syscall_64+0x35/0xb0 [ 38.092381][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 38.092400][ C0] page last free stack trace: [ 38.092404][ C0] free_pcp_prepare+0x5e4/0xd20 [ 38.092425][ C0] free_unref_page+0x19/0x4d0 [ 38.092448][ C0] free_contig_range+0xb1/0x180 [ 38.092471][ C0] destroy_args+0xa8/0x646 [ 38.092487][ C0] debug_vm_pgtable+0x2945/0x29d6 [ 38.092502][ C0] do_one_initcall+0xfe/0x650 [ 38.092522][ C0] kernel_init_freeable+0x6b1/0x73a [ 38.092548][ C0] kernel_init+0x1a/0x1d0 [ 38.092562][ C0] ret_from_fork+0x1f/0x30 [ 38.092582][ C0] [ 38.092584][ C0] Memory state around the buggy address: [ 38.092591][ C0] ffff8880745f8980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.092602][ C0] ffff8880745f8a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.092613][ C0] >ffff8880745f8a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.092621][ C0] ^ [ 38.092629][ C0] ffff8880745f8b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.092639][ C0] ffff8880745f8b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 38.092647][ C0] ================================================================== [ 38.092654][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 38.092660][ C0] CPU: 0 PID: 15 Comm: kworker/0:1 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 38.092677][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.092686][ C0] Workqueue: usb_hub_wq hub_event [ 38.092706][ C0] Call Trace: [ 38.092710][ C0] [ 38.092714][ C0] dump_stack_lvl+0xcd/0x134 [ 38.092731][ C0] panic+0x2c8/0x622 [ 38.092755][ C0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 38.092787][ C0] ? print_report.cold+0x4f6/0x719 [ 38.092804][ C0] ? si470x_int_in_callback.cold+0x96/0xbf [ 38.092824][ C0] end_report.part.0+0x3f/0x7c [ 38.092850][ C0] kasan_report.cold+0xa/0xf [ 38.092865][ C0] ? si470x_int_in_callback.cold+0x96/0xbf [ 38.092887][ C0] si470x_int_in_callback.cold+0x96/0xbf [ 38.092909][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 38.092926][ C0] ? lock_acquire+0x480/0x570 [ 38.092942][ C0] ? si470x_fops_read+0x7a0/0x7a0 [ 38.092958][ C0] ? usb_hcd_unmap_urb_for_dma+0x105/0x6d0 [ 38.092983][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 38.093007][ C0] usb_hcd_giveback_urb+0x380/0x430 [ 38.093031][ C0] dummy_timer+0x11ff/0x32c0 [ 38.093049][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.093077][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.093103][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.093129][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.093154][ C0] ? lock_acquire+0x480/0x570 [ 38.093170][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 38.093187][ C0] ? dummy_dequeue+0x500/0x500 [ 38.093203][ C0] ? scheduler_tick+0x25f/0x5e0 [ 38.093223][ C0] ? dummy_dequeue+0x500/0x500 [ 38.093239][ C0] call_timer_fn+0x1a0/0x6b0 [ 38.093258][ C0] ? timer_fixup_activate+0x350/0x350 [ 38.093277][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 38.093294][ C0] ? __next_timer_interrupt+0x244/0x2c0 [ 38.093312][ C0] ? dummy_dequeue+0x500/0x500 [ 38.093328][ C0] ? dummy_dequeue+0x500/0x500 [ 38.093343][ C0] ? dummy_dequeue+0x500/0x500 [ 38.093360][ C0] __run_timers.part.0+0x674/0xa80 [ 38.093382][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 38.093401][ C0] ? prepare_to_wait+0x370/0x370 [ 38.093417][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 38.093435][ C0] ? sched_clock_cpu+0x69/0x2b0 [ 38.093453][ C0] run_timer_softirq+0xb3/0x1d0 [ 38.093472][ C0] __do_softirq+0x1d0/0x9c8 [ 38.093496][ C0] __irq_exit_rcu+0x123/0x180 [ 38.093513][ C0] irq_exit_rcu+0x5/0x20 [ 38.093530][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 38.093556][ C0] [ 38.093560][ C0] [ 38.093565][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 38.093586][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 38.093610][ C0] Code: 48 89 ef 5d e9 f1 c4 4c 00 5d be 03 00 00 00 e9 d6 43 84 02 66 0f 1f 44 00 00 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 <65> 8b 05 f9 24 87 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b [ 38.093625][ C0] RSP: 0018:ffffc90000146e70 EFLAGS: 00000293 [ 38.093637][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 38.093647][ C0] RDX: ffff888011a73b00 RSI: ffffffff8160ec05 RDI: 0000000000000007 [ 38.093657][ C0] RBP: ffffc90000147018 R08: 0000000000000007 R09: 0000000000000000 [ 38.093667][ C0] R10: 0000000000000200 R11: 69732d6f69646172 R12: 0000000000000001 [ 38.093677][ C0] R13: ffffffff9119cda0 R14: 0000000000000200 R15: ffffffff8ca38e58 [ 38.093691][ C0] ? console_emit_next_record.constprop.0+0x4f5/0x840 [ 38.093711][ C0] console_emit_next_record.constprop.0+0x4fb/0x840 [ 38.093731][ C0] ? devkmsg_read+0x730/0x730 [ 38.093750][ C0] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.093775][ C0] ? lock_acquire+0x480/0x570 [ 38.093795][ C0] ? lock_release+0x780/0x780 [ 38.093811][ C0] console_unlock+0x37a/0x5a0 [ 38.093827][ C0] ? console_emit_next_record.constprop.0+0x840/0x840 [ 38.093846][ C0] ? vprintk+0x80/0x90 [ 38.093863][ C0] vprintk_emit+0x1b9/0x5f0 [ 38.093880][ C0] vprintk+0x80/0x90 [ 38.093896][ C0] _printk+0xba/0xed [ 38.093916][ C0] ? record_print_text.cold+0x16/0x16 [ 38.093938][ C0] ? rpm_drop_usage_count+0x46/0x80 [ 38.093957][ C0] ? __pm_runtime_suspend+0xd0/0x2d0 [ 38.093978][ C0] ? usb_probe_interface+0x3b5/0x7f0 [ 38.093997][ C0] really_probe.cold+0x69/0x175 [ 38.094014][ C0] __driver_probe_device+0x1df/0x4d0 [ 38.094036][ C0] ? usb_match_id.part.0+0x15d/0x1b0 [ 38.094053][ C0] driver_probe_device+0x4c/0x1a0 [ 38.094075][ C0] __device_attach_driver+0x1d0/0x2e0 [ 38.094099][ C0] ? driver_allows_async_probing+0x170/0x170 [ 38.094122][ C0] bus_for_each_drv+0x15f/0x1e0 [ 38.094141][ C0] ? bus_for_each_dev+0x1d0/0x1d0 [ 38.094160][ C0] ? trace_hardirqs_on+0x2d/0x120 [ 38.094185][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 38.094204][ C0] __device_attach+0x1e4/0x530 [ 38.094225][ C0] ? device_driver_attach+0x210/0x210 [ 38.094248][ C0] ? kobject_uevent_env+0x2a7/0x1640 [ 38.094274][ C0] bus_probe_device+0x1e4/0x290 [ 38.094295][ C0] device_add+0xbd5/0x1e90 [ 38.094314][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 38.094331][ C0] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 38.094352][ C0] ? trace_hardirqs_on+0x2d/0x120 [ 38.094378][ C0] usb_set_configuration+0x1019/0x1900 [ 38.094400][ C0] usb_generic_driver_probe+0xba/0x100 [ 38.094426][ C0] usb_probe_device+0xd4/0x2c0 [ 38.094442][ C0] ? usb_driver_release_interface+0x180/0x180 [ 38.094460][ C0] really_probe+0x249/0xb90 [ 38.094482][ C0] __driver_probe_device+0x1df/0x4d0 [ 38.094505][ C0] driver_probe_device+0x4c/0x1a0 [ 38.094527][ C0] __device_attach_driver+0x1d0/0x2e0 [ 38.094550][ C0] ? driver_allows_async_probing+0x170/0x170 [ 38.094573][ C0] bus_for_each_drv+0x15f/0x1e0 [ 38.094592][ C0] ? bus_for_each_dev+0x1d0/0x1d0 [ 38.094611][ C0] ? trace_hardirqs_on+0x2d/0x120 [ 38.094636][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 38.094656][ C0] __device_attach+0x1e4/0x530 [ 38.094677][ C0] ? device_driver_attach+0x210/0x210 [ 38.094700][ C0] ? kobject_uevent_env+0x2a7/0x1640 [ 38.094725][ C0] bus_probe_device+0x1e4/0x290 [ 38.094747][ C0] device_add+0xbd5/0x1e90 [ 38.094765][ C0] ? usb_match_device+0xd4/0x550 [ 38.094782][ C0] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 38.094804][ C0] ? usb_detect_static_quirks+0x305/0x3b0 [ 38.094833][ C0] usb_new_device.cold+0x685/0x10ad [ 38.094852][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 38.094869][ C0] ? hub_disconnect+0x510/0x510 [ 38.094889][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 38.094909][ C0] hub_event+0x26c7/0x45e0 [ 38.094937][ C0] ? hub_port_debounce+0x3b0/0x3b0 [ 38.094958][ C0] ? __irq_build_affinity_masks+0x1090/0x12a0 [ 38.094980][ C0] ? lock_acquire+0x480/0x570 [ 38.094995][ C0] ? lock_release+0x780/0x780 [ 38.095010][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 38.095026][ C0] ? do_raw_spin_lock+0x120/0x2a0 [ 38.095044][ C0] ? read_word_at_a_time+0xe/0x20 [ 38.095062][ C0] ? strscpy+0xa1/0x2a0 [ 38.095080][ C0] process_one_work+0x991/0x1610 [ 38.095103][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 38.095125][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 38.095145][ C0] worker_thread+0x665/0x1080 [ 38.095168][ C0] ? __kthread_parkme+0x15f/0x220 [ 38.095184][ C0] ? process_one_work+0x1610/0x1610 [ 38.095206][ C0] kthread+0x2e4/0x3a0 [ 38.095221][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 38.095241][ C0] ret_from_fork+0x1f/0x30 [ 38.095267][ C0] [ 38.096066][ C0] Kernel Offset: disabled [ 40.164389][ C0] Rebooting in 86400 seconds..