./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3083308689 <...> Warning: Permanently added '10.128.0.231' (ECDSA) to the list of known hosts. execve("./syz-executor3083308689", ["./syz-executor3083308689"], 0x7ffd80218ea0 /* 10 vars */) = 0 brk(NULL) = 0x555556efc000 brk(0x555556efcc40) = 0x555556efcc40 arch_prctl(ARCH_SET_FS, 0x555556efc300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3083308689", 4096) = 28 brk(0x555556f1dc40) = 0x555556f1dc40 brk(0x555556f1e000) = 0x555556f1e000 mprotect(0x7f6230ce3000, 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 mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 close(3) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556efc5d0) = 3608 ./strace-static-x86_64: Process 3608 attached [pid 3608] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3608] setsid() = 1 [pid 3608] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3608] unshare(CLONE_NEWNS) = 0 [pid 3608] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3608] unshare(CLONE_NEWIPC) = 0 [pid 3608] unshare(CLONE_NEWCGROUP) = 0 [pid 3608] unshare(CLONE_NEWUTS) = 0 [pid 3608] unshare(CLONE_SYSVSEM) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "16777216", 8) = 8 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "536870912", 9) = 9 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [ 50.503810][ T27] audit: type=1400 audit(1657085803.055:75): avc: denied { execmem } for pid=3607 comm="syz-executor308" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 50.523509][ T27] audit: type=1400 audit(1657085803.055:76): avc: denied { mounton } for pid=3607 comm="syz-executor308" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "8192", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3608] close(3) = 0 [pid 3608] getpid() = 1 [pid 3608] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 52.122532][ C1] dump_stack_lvl+0xcd/0x134 [ 52.122561][ C1] print_address_description.constprop.0.cold+0xeb/0x467 [ 52.122593][ C1] ? si470x_int_in_callback.cold+0x96/0xbf [ 52.122618][ C1] kasan_report.cold+0xf4/0x1c6 [ 52.122642][ C1] ? si470x_int_in_callback.cold+0x96/0xbf [ 52.122666][ C1] si470x_int_in_callback.cold+0x96/0xbf [ 52.122691][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 52.122714][ C1] ? si470x_fops_read+0x790/0x790 [ 52.122741][ C1] ? usb_hcd_unmap_urb_for_dma+0x105/0x6d0 [ 52.122765][ C1] ? dummy_timer+0x11e7/0x32b0 [ 52.122791][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 52.122816][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 52.122841][ C1] dummy_timer+0x11f9/0x32b0 [ 52.122866][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 52.122900][ C1] ? dummy_dequeue+0x500/0x500 [ 52.122926][ C1] ? dummy_dequeue+0x500/0x500 [ 52.122951][ C1] call_timer_fn+0x1a5/0x6b0 [ 52.122972][ C1] ? timer_fixup_activate+0x350/0x350 [ 52.122995][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.123020][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.123043][ C1] ? dummy_dequeue+0x500/0x500 [ 52.123064][ C1] __run_timers.part.0+0x679/0xa80 [ 52.123084][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 52.123106][ C1] ? __wake_up_locked_sync_key+0x20/0x20 [ 52.123136][ C1] run_timer_softirq+0xb3/0x1d0 [ 52.123159][ C1] __do_softirq+0x29b/0x9c2 [ 52.123182][ C1] __irq_exit_rcu+0x123/0x180 [ 52.123204][ C1] irq_exit_rcu+0x5/0x20 [ 52.123225][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 52.123251][ C1] [ 52.123258][ C1] [ 52.123266][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 52.123296][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 52.123326][ C1] Code: 48 89 ef 5d e9 61 a4 4b 00 5d be 03 00 00 00 e9 b6 7b 82 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 b9 d7 88 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b [ 52.123349][ C1] RSP: 0018:ffffc90000c2ee80 EFLAGS: 00000293 [ 52.123369][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 52.123385][ C1] RDX: ffff888016ad61c0 RSI: ffffffff815fb8f5 RDI: 0000000000000007 [ 52.123401][ C1] RBP: ffffc90000c2f028 R08: 0000000000000007 R09: 0000000000000000 [ 52.123416][ C1] R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000001 [ 52.123431][ C1] R13: ffffffff90f0ad20 R14: 0000000000000200 R15: ffffffff8c8112b8 [ 52.123449][ C1] ? console_emit_next_record.constprop.0+0x4f5/0x840 [ 52.123503][ C1] console_emit_next_record.constprop.0+0x4fb/0x840 [ 52.123535][ C1] ? devkmsg_read+0x730/0x730 [ 52.123563][ C1] ? lock_release+0x780/0x780 [ 52.123589][ C1] console_unlock+0x37a/0x5a0 [ 52.123616][ C1] ? console_emit_next_record.constprop.0+0x840/0x840 [ 52.123647][ C1] ? __down_trylock_console_sem+0x108/0x120 [ 52.123677][ C1] ? vprintk+0x70/0x90 [ 52.123697][ C1] ? vprintk+0x80/0x90 [ 52.123719][ C1] vprintk_emit+0x1b9/0x5f0 [ 52.123746][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 52.123774][ C1] vprintk+0x80/0x90 [ 52.123794][ C1] _printk+0xba/0xed [ 52.123815][ C1] ? record_print_text.cold+0x16/0x16 [ 52.123837][ C1] ? rpm_drop_usage_count+0x46/0x80 [ 52.123861][ C1] ? __pm_runtime_suspend+0xd0/0x2d0 [ 52.123886][ C1] ? usb_probe_interface+0x3bf/0x7f0 [ 52.123913][ C1] really_probe.cold+0x6c/0x179 [ 52.123938][ C1] __driver_probe_device+0x338/0x4d0 [ 52.123963][ C1] ? usb_match_id.part.0+0x15d/0x1b0 [ 52.123990][ C1] driver_probe_device+0x4c/0x1a0 [ 52.124015][ C1] __device_attach_driver+0x20b/0x2f0 [ 52.124040][ C1] ? driver_allows_async_probing+0x170/0x170 [ 52.124066][ C1] bus_for_each_drv+0x15f/0x1e0 [ 52.124088][ C1] ? bus_for_each_dev+0x1d0/0x1d0 [ 52.124110][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 52.124138][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 52.124162][ C1] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 52.124194][ C1] __device_attach+0x1e4/0x530 [ 52.124217][ C1] ? device_driver_attach+0x210/0x210 [ 52.124242][ C1] ? kobject_uevent_env+0x2ac/0x1660 [ 52.124272][ C1] bus_probe_device+0x1e4/0x290 [ 52.124297][ C1] device_add+0xbda/0x1ea0 [ 52.124319][ C1] ? preempt_schedule_common+0x59/0xc0 [ 52.124343][ C1] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 52.124367][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 52.124397][ C1] usb_set_configuration+0x101e/0x1900 [ 52.124427][ C1] usb_generic_driver_probe+0xba/0x100 [ 52.124454][ C1] usb_probe_device+0xd9/0x2c0 [ 52.124486][ C1] ? usb_driver_release_interface+0x180/0x180 [ 52.124514][ C1] really_probe+0x23e/0xb90 [ 52.124538][ C1] __driver_probe_device+0x338/0x4d0 [ 52.124564][ C1] driver_probe_device+0x4c/0x1a0 [ 52.124589][ C1] __device_attach_driver+0x20b/0x2f0 [ 52.124615][ C1] ? driver_allows_async_probing+0x170/0x170 [ 52.124642][ C1] bus_for_each_drv+0x15f/0x1e0 [ 52.124665][ C1] ? bus_for_each_dev+0x1d0/0x1d0 [ 52.124686][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 52.124712][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 52.124737][ C1] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 52.124764][ C1] __device_attach+0x1e4/0x530 [ 52.124788][ C1] ? device_driver_attach+0x210/0x210 [ 52.124813][ C1] ? kobject_uevent_env+0x2ac/0x1660 [ 52.124842][ C1] bus_probe_device+0x1e4/0x290 [ 52.124866][ C1] device_add+0xbda/0x1ea0 [ 52.124888][ C1] ? usb_match_device+0xd4/0x550 [ 52.124912][ C1] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 52.124937][ C1] ? usb_detect_static_quirks+0x305/0x3b0 [ 52.124971][ C1] usb_new_device.cold+0x641/0x1091 [ 52.125000][ C1] ? hub_disconnect+0x510/0x510 [ 52.125022][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 52.125044][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.125069][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.125096][ C1] hub_event+0x25d5/0x4690 [ 52.125120][ C1] ? hub_port_debounce+0x3c0/0x3c0 [ 52.125143][ C1] ? lock_release+0x780/0x780 [ 52.125169][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 52.125196][ C1] ? do_raw_spin_lock+0x120/0x2a0 [ 52.125219][ C1] process_one_work+0x996/0x1610 [ 52.125245][ C1] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 52.125270][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 52.125290][ C1] ? _raw_spin_lock_irq+0x41/0x50 [ 52.125316][ C1] worker_thread+0x665/0x1080 [ 52.125340][ C1] ? __kthread_parkme+0x15f/0x220 [ 52.125367][ C1] ? process_one_work+0x1610/0x1610 [ 52.125392][ C1] kthread+0x2e9/0x3a0 [ 52.125412][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 52.125436][ C1] ret_from_fork+0x1f/0x30 [ 52.125469][ C1] [ 52.125477][ C1] [ 52.125481][ C1] Allocated by task 26: [ 52.125491][ C1] kasan_save_stack+0x1e/0x40 [ 52.125516][ C1] __kasan_kmalloc+0xa6/0xd0 [ 52.125539][ C1] kmem_cache_alloc_trace+0x1ea/0x4a0 [ 52.125562][ C1] si470x_usb_driver_probe+0x51/0xf90 [ 52.125587][ C1] usb_probe_interface+0x315/0x7f0 [ 52.125611][ C1] really_probe+0x23e/0xb90 [ 52.125633][ C1] __driver_probe_device+0x338/0x4d0 [ 52.125656][ C1] driver_probe_device+0x4c/0x1a0 [ 52.125678][ C1] __device_attach_driver+0x20b/0x2f0 [ 52.125701][ C1] bus_for_each_drv+0x15f/0x1e0 [ 52.125722][ C1] __device_attach+0x1e4/0x530 [ 52.125743][ C1] bus_probe_device+0x1e4/0x290 [ 52.125763][ C1] device_add+0xbda/0x1ea0 [ 52.125778][ C1] usb_set_configuration+0x101e/0x1900 [ 52.125798][ C1] usb_generic_driver_probe+0xba/0x100 [ 52.125820][ C1] usb_probe_device+0xd9/0x2c0 [ 52.125841][ C1] really_probe+0x23e/0xb90 [ 52.125860][ C1] __driver_probe_device+0x338/0x4d0 [ 52.125882][ C1] driver_probe_device+0x4c/0x1a0 [ 52.125905][ C1] __device_attach_driver+0x20b/0x2f0 [ 52.125927][ C1] bus_for_each_drv+0x15f/0x1e0 [ 52.125948][ C1] __device_attach+0x1e4/0x530 [ 52.125969][ C1] bus_probe_device+0x1e4/0x290 [ 52.125989][ C1] device_add+0xbda/0x1ea0 [ 52.126008][ C1] usb_new_device.cold+0x641/0x1091 [ 52.126030][ C1] hub_event+0x25d5/0x4690 [ 52.126048][ C1] process_one_work+0x996/0x1610 [ 52.126069][ C1] worker_thread+0x665/0x1080 [ 52.126089][ C1] kthread+0x2e9/0x3a0 [ 52.126107][ C1] ret_from_fork+0x1f/0x30 [ 52.126129][ C1] [ 52.126134][ C1] Freed by task 26: [ 52.126143][ C1] kasan_save_stack+0x1e/0x40 [ 52.126166][ C1] kasan_set_track+0x21/0x30 [ 52.126187][ C1] kasan_set_free_info+0x20/0x30 [ 52.126211][ C1] ____kasan_slab_free+0x13d/0x180 [ 52.126234][ C1] kfree+0x113/0x310 [ 52.126253][ C1] si470x_usb_driver_probe+0xb3d/0xf90 [ 52.126278][ C1] usb_probe_interface+0x315/0x7f0 [ 52.126302][ C1] really_probe+0x23e/0xb90 [ 52.126323][ C1] __driver_probe_device+0x338/0x4d0 [ 52.126346][ C1] driver_probe_device+0x4c/0x1a0 [ 52.126368][ C1] __device_attach_driver+0x20b/0x2f0 [ 52.126390][ C1] bus_for_each_drv+0x15f/0x1e0 [ 52.126410][ C1] __device_attach+0x1e4/0x530 [ 52.126430][ C1] bus_probe_device+0x1e4/0x290 [ 52.126450][ C1] device_add+0xbda/0x1ea0 [ 52.126474][ C1] usb_set_configuration+0x101e/0x1900 [ 52.126498][ C1] usb_generic_driver_probe+0xba/0x100 [ 52.126521][ C1] usb_probe_device+0xd9/0x2c0 [ 52.126544][ C1] really_probe+0x23e/0xb90 [ 52.126564][ C1] __driver_probe_device+0x338/0x4d0 [ 52.126587][ C1] driver_probe_device+0x4c/0x1a0 [ 52.126610][ C1] __device_attach_driver+0x20b/0x2f0 [ 52.126633][ C1] bus_for_each_drv+0x15f/0x1e0 [ 52.126653][ C1] __device_attach+0x1e4/0x530 [ 52.126675][ C1] bus_probe_device+0x1e4/0x290 [ 52.126696][ C1] device_add+0xbda/0x1ea0 [ 52.126714][ C1] usb_new_device.cold+0x641/0x1091 [ 52.126737][ C1] hub_event+0x25d5/0x4690 [ 52.126756][ C1] process_one_work+0x996/0x1610 [ 52.126777][ C1] worker_thread+0x665/0x1080 [ 52.126798][ C1] kthread+0x2e9/0x3a0 [ 52.126816][ C1] ret_from_fork+0x1f/0x30 [ 52.126838][ C1] [ 52.126842][ C1] The buggy address belongs to the object at ffff888072530000 [ 52.126842][ C1] which belongs to the cache kmalloc-4k of size 4096 [ 52.126860][ C1] The buggy address is located 2752 bytes inside of [ 52.126860][ C1] 4096-byte region [ffff888072530000, ffff888072531000) [ 52.126882][ C1] [ 52.126886][ C1] The buggy address belongs to the physical page: [ 52.126894][ C1] page:ffffea0001c94c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x72530 [ 52.126918][ C1] head:ffffea0001c94c00 order:1 compound_mapcount:0 compound_pincount:0 [ 52.126935][ C1] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 52.126965][ C1] raw: 00fff00000010200 ffffea0001c2b008 ffffea00008f5488 ffff888011840900 [ 52.126987][ C1] raw: 0000000000000000 ffff888072530000 0000000100000001 0000000000000000 [ 52.127000][ C1] page dumped because: kasan: bad access detected [ 52.127009][ C1] page_owner tracks the page as allocated [ 52.127015][ C1] page last allocated via order 1, migratetype Unmovable, gfp_mask 0x2420c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_COMP|__GFP_THISNODE), pid 26, tgid 26 (kworker/1:1), ts 51432430344, free_ts 50719597953 [ 52.127054][ C1] get_page_from_freelist+0x1290/0x3b70 [ 52.127077][ C1] __alloc_pages+0x1c7/0x510 [ 52.127097][ C1] cache_grow_begin+0x75/0x350 [ 52.127118][ C1] cache_alloc_refill+0x27f/0x380 [ 52.127140][ C1] kmem_cache_alloc_trace+0x380/0x4a0 [ 52.127162][ C1] si470x_usb_driver_probe+0x51/0xf90 [ 52.127187][ C1] usb_probe_interface+0x315/0x7f0 [ 52.127211][ C1] really_probe+0x23e/0xb90 [ 52.127231][ C1] __driver_probe_device+0x338/0x4d0 [ 52.127254][ C1] driver_probe_device+0x4c/0x1a0 [ 52.127276][ C1] __device_attach_driver+0x20b/0x2f0 [ 52.127299][ C1] bus_for_each_drv+0x15f/0x1e0 [ 52.127319][ C1] __device_attach+0x1e4/0x530 [ 52.127340][ C1] bus_probe_device+0x1e4/0x290 [ 52.127360][ C1] device_add+0xbda/0x1ea0 [ 52.127379][ C1] usb_set_configuration+0x101e/0x1900 [ 52.127402][ C1] page last free stack trace: [ 52.127408][ C1] free_pcp_prepare+0x549/0xd20 [ 52.127434][ C1] free_unref_page+0x19/0x6a0 [ 52.127453][ C1] slabs_destroy+0x89/0xc0 [ 52.127481][ C1] ___cache_free+0x34e/0x670 [ 52.127502][ C1] qlist_free_all+0x4f/0x1b0 [ 52.127528][ C1] kasan_quarantine_reduce+0x180/0x200 [ 52.127555][ C1] __kasan_slab_alloc+0x97/0xb0 [ 52.127578][ C1] __kmalloc+0x27a/0x4d0 [ 52.127599][ C1] tomoyo_encode2.part.0+0xe9/0x3a0 [ 52.127620][ C1] tomoyo_encode+0x28/0x50 [ 52.127639][ C1] tomoyo_path_perm+0x368/0x400 [ 52.127664][ C1] tomoyo_path_symlink+0x94/0xe0 [ 52.127685][ C1] security_path_symlink+0xdf/0x150 [ 52.127709][ C1] do_symlinkat+0x106/0x2e0 [ 52.127728][ C1] __x64_sys_symlink+0x75/0x90 [ 52.127748][ C1] do_syscall_64+0x35/0xb0 [ 52.127767][ C1] [ 52.127771][ C1] Memory state around the buggy address: [ 52.127781][ C1] ffff888072530980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.127796][ C1] ffff888072530a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.127811][ C1] >ffff888072530a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.127822][ C1] ^ [ 52.127833][ C1] ffff888072530b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.127848][ C1] ffff888072530b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 52.127860][ C1] ================================================================== [ 52.127868][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 52.127877][ C1] CPU: 1 PID: 26 Comm: kworker/1:1 Not tainted 5.19.0-rc5-syzkaller-00056-ge35e5b6f695d #0 [ 52.127903][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 52.127919][ C1] Workqueue: usb_hub_wq hub_event [ 52.127940][ C1] Call Trace: [ 52.127946][ C1] [ 52.127953][ C1] dump_stack_lvl+0xcd/0x134 [ 52.127980][ C1] panic+0x2d7/0x636 [ 52.128003][ C1] ? panic_print_sys_info.part.0+0x10b/0x10b [ 52.128031][ C1] ? si470x_int_in_callback.cold+0x96/0xbf [ 52.128057][ C1] end_report.part.0+0x3f/0x7c [ 52.128080][ C1] kasan_report.cold+0x93/0x1c6 [ 52.128104][ C1] ? si470x_int_in_callback.cold+0x96/0xbf [ 52.128127][ C1] si470x_int_in_callback.cold+0x96/0xbf [ 52.128151][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 52.128173][ C1] ? si470x_fops_read+0x790/0x790 [ 52.128198][ C1] ? usb_hcd_unmap_urb_for_dma+0x105/0x6d0 [ 52.128221][ C1] ? dummy_timer+0x11e7/0x32b0 [ 52.128247][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 52.128271][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 52.128295][ C1] dummy_timer+0x11f9/0x32b0 [ 52.128320][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 52.128354][ C1] ? dummy_dequeue+0x500/0x500 [ 52.128380][ C1] ? dummy_dequeue+0x500/0x500 [ 52.128413][ C1] call_timer_fn+0x1a5/0x6b0 [ 52.128433][ C1] ? timer_fixup_activate+0x350/0x350 [ 52.128461][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.128486][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.128511][ C1] ? dummy_dequeue+0x500/0x500 [ 52.128536][ C1] __run_timers.part.0+0x679/0xa80 [ 52.128560][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 52.128582][ C1] ? __wake_up_locked_sync_key+0x20/0x20 [ 52.128613][ C1] run_timer_softirq+0xb3/0x1d0 [ 52.128635][ C1] __do_softirq+0x29b/0x9c2 [ 52.128657][ C1] __irq_exit_rcu+0x123/0x180 [ 52.128678][ C1] irq_exit_rcu+0x5/0x20 [ 52.128697][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 52.128723][ C1] [ 52.128729][ C1] [ 52.128736][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 52.128764][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 52.128792][ C1] Code: 48 89 ef 5d e9 61 a4 4b 00 5d be 03 00 00 00 e9 b6 7b 82 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 b9 d7 88 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b [ 52.128814][ C1] RSP: 0018:ffffc90000c2ee80 EFLAGS: 00000293 [ 52.128831][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 52.128846][ C1] RDX: ffff888016ad61c0 RSI: ffffffff815fb8f5 RDI: 0000000000000007 [ 52.128861][ C1] RBP: ffffc90000c2f028 R08: 0000000000000007 R09: 0000000000000000 [ 52.128875][ C1] R10: 0000000000000200 R11: 0000000000000001 R12: 0000000000000001 [ 52.128889][ C1] R13: ffffffff90f0ad20 R14: 0000000000000200 R15: ffffffff8c8112b8 [ 52.128907][ C1] ? console_emit_next_record.constprop.0+0x4f5/0x840 [ 52.128935][ C1] console_emit_next_record.constprop.0+0x4fb/0x840 [ 52.128965][ C1] ? devkmsg_read+0x730/0x730 [ 52.128992][ C1] ? lock_release+0x780/0x780 [ 52.129018][ C1] console_unlock+0x37a/0x5a0 [ 52.129044][ C1] ? console_emit_next_record.constprop.0+0x840/0x840 [ 52.129074][ C1] ? __down_trylock_console_sem+0x108/0x120 [ 52.129102][ C1] ? vprintk+0x70/0x90 [ 52.129121][ C1] ? vprintk+0x80/0x90 [ 52.129141][ C1] vprintk_emit+0x1b9/0x5f0 [ 52.129166][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 52.129194][ C1] vprintk+0x80/0x90 [ 52.129213][ C1] _printk+0xba/0xed [ 52.129232][ C1] ? record_print_text.cold+0x16/0x16 [ 52.129255][ C1] ? rpm_drop_usage_count+0x46/0x80 [ 52.129278][ C1] ? __pm_runtime_suspend+0xd0/0x2d0 [ 52.129304][ C1] ? usb_probe_interface+0x3bf/0x7f0 [ 52.129328][ C1] really_probe.cold+0x6c/0x179 [ 52.129350][ C1] __driver_probe_device+0x338/0x4d0 [ 52.129372][ C1] ? usb_match_id.part.0+0x15d/0x1b0 [ 52.129395][ C1] driver_probe_device+0x4c/0x1a0 [ 52.129418][ C1] __device_attach_driver+0x20b/0x2f0 [ 52.129463][ C1] ? driver_allows_async_probing+0x170/0x170 [ 52.129488][ C1] bus_for_each_drv+0x15f/0x1e0 [ 52.129507][ C1] ? bus_for_each_dev+0x1d0/0x1d0 [ 52.129526][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 52.129550][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 52.129574][ C1] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 52.129622][ C1] __device_attach+0x1e4/0x530 [ 52.129642][ C1] ? device_driver_attach+0x210/0x210 [ 52.129666][ C1] ? kobject_uevent_env+0x2ac/0x1660 [ 52.129695][ C1] bus_probe_device+0x1e4/0x290 [ 52.129718][ C1] device_add+0xbda/0x1ea0 [ 52.129738][ C1] ? preempt_schedule_common+0x59/0xc0 [ 52.129761][ C1] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 52.129785][ C1] ? preempt_schedule_thunk+0x16/0x18 [ 52.129811][ C1] usb_set_configuration+0x101e/0x1900 [ 52.129839][ C1] usb_generic_driver_probe+0xba/0x100 [ 52.129864][ C1] usb_probe_device+0xd9/0x2c0 [ 52.129888][ C1] ? usb_driver_release_interface+0x180/0x180 [ 52.129914][ C1] really_probe+0x23e/0xb90 [ 52.129937][ C1] __driver_probe_device+0x338/0x4d0 [ 52.129960][ C1] driver_probe_device+0x4c/0x1a0 [ 52.129981][ C1] __device_attach_driver+0x20b/0x2f0 [ 52.130004][ C1] ? driver_allows_async_probing+0x170/0x170 [ 52.130029][ C1] bus_for_each_drv+0x15f/0x1e0 [ 52.130050][ C1] ? bus_for_each_dev+0x1d0/0x1d0 [ 52.130071][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 52.130097][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 52.130119][ C1] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 52.130146][ C1] __device_attach+0x1e4/0x530 [ 52.130168][ C1] ? device_driver_attach+0x210/0x210 [ 52.130192][ C1] ? kobject_uevent_env+0x2ac/0x1660 [ 52.130220][ C1] bus_probe_device+0x1e4/0x290 [ 52.130242][ C1] device_add+0xbda/0x1ea0 [ 52.130262][ C1] ? usb_match_device+0xd4/0x550 [ 52.130285][ C1] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0 [ 52.130307][ C1] ? usb_detect_static_quirks+0x305/0x3b0 [ 52.130338][ C1] usb_new_device.cold+0x641/0x1091 [ 52.130365][ C1] ? hub_disconnect+0x510/0x510 [ 52.130385][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 52.130405][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.130430][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.130461][ C1] hub_event+0x25d5/0x4690 [ 52.130488][ C1] ? hub_port_debounce+0x3c0/0x3c0 [ 52.130509][ C1] ? lock_release+0x780/0x780 [ 52.130533][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 52.130558][ C1] ? do_raw_spin_lock+0x120/0x2a0 [ 52.130588][ C1] process_one_work+0x996/0x1610 [ 52.130611][ C1] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 52.130634][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 52.130654][ C1] ? _raw_spin_lock_irq+0x41/0x50 [ 52.130680][ C1] worker_thread+0x665/0x1080 [ 52.130702][ C1] ? __kthread_parkme+0x15f/0x220 [ 52.130727][ C1] ? process_one_work+0x1610/0x1610 [ 52.130748][ C1] kthread+0x2e9/0x3a0 [ 52.130766][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 52.130789][ C1] ret_from_fork+0x1f/0x30 [ 52.130815][ C1] [ 52.130976][ C1] Kernel Offset: disabled [ 54.156407][ C1] Rebooting in 86400 seconds..