./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor438738957 <...> DUID 00:04:d9:3a:76:1c:b4:63:be:bc:0b:c2:08:9c:83:36:98:31 forked to background, child pid 3184 [ 24.850496][ T3185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 24.862948][ T3185] 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-executor438738957", ["./syz-executor438738957"], 0x7ffea1330a20 /* 10 vars */) = 0 brk(NULL) = 0x5555569c6000 brk(0x5555569c6c40) = 0x5555569c6c40 arch_prctl(ARCH_SET_FS, 0x5555569c6300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor438738957", 4096) = 27 brk(0x5555569e7c40) = 0x5555569e7c40 brk(0x5555569e8000) = 0x5555569e8000 mprotect(0x7fd4a730a000, 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 socket(AF_UNIX, SOCK_DGRAM, 0) = 3 bind(3, {sa_family=AF_UNIX, sun_path="\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b"}, 110) = 0 ioctl(3, FIOSETOWN, [-1]) = 0 ioctl(3, FIOASYNC, [2]) = 0 connect(3, {sa_family=AF_UNIX, sun_path="\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b"}, 110) = 0 sendmmsg(3, [{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, ...], 3682232011, MSG_DONTWAIT|MSG_EOR|MSG_FIN|MSG_SYN|MSG_CONFIRM|MSG_RST|MSG_ERRQUEUE) = 278 ioctl(-1, HIDIOCSUSAGES, 0x20000ac0) = -1 EBADF (Bad file descriptor) openat(AT_FDCWD, "/dev/input/event0", O_RDONLY) = 4 ioctl(4, FIOASYNC, [3]) = 0 openat(AT_FDCWD, "/dev/input/event0", O_RDWR|O_APPEND|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_CLOEXEC) = 5 syzkaller login: [ 48.210767][ T3606] [ 48.213126][ T3606] ===================================================== [ 48.220042][ T3606] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 48.227472][ T3606] 6.0.0-rc4-syzkaller-00062-g0066f1b0e275 #0 Not tainted [ 48.234468][ T3606] ----------------------------------------------------- [ 48.241373][ T3606] syz-executor438/3606 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 48.249416][ T3606] ffff8880719cb0c0 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x13b/0x430 [ 48.258118][ T3606] [ 48.258118][ T3606] and this task is already holding: [ 48.265484][ T3606] ffff8880173c0028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0xe5/0xb90 [ 48.275199][ T3606] which would create a new lock dependency: [ 48.281072][ T3606] (&client->buffer_lock){....}-{2:2} -> (&new->fa_lock){....}-{2:2} [ 48.289148][ T3606] [ 48.289148][ T3606] but this new dependency connects a HARDIRQ-irq-safe lock: [ 48.298580][ T3606] (&dev->event_lock#2){-...}-{2:2} [ 48.298604][ T3606] [ 48.298604][ T3606] ... which became HARDIRQ-irq-safe at: [ 48.311468][ T3606] lock_acquire+0x1a7/0x400 [ 48.316050][ T3606] _raw_spin_lock_irqsave+0xd1/0x120 [ 48.321417][ T3606] input_event+0x89/0xc0 [ 48.325742][ T3606] psmouse_report_standard_packet+0x4f/0x200 [ 48.331797][ T3606] psmouse_process_byte+0x447/0x630 [ 48.337066][ T3606] psmouse_handle_byte+0x44/0x4a0 [ 48.342169][ T3606] psmouse_interrupt+0x68a/0x1080 [ 48.347272][ T3606] serio_interrupt+0x88/0x130 [ 48.352039][ T3606] i8042_interrupt+0x32f/0x720 [ 48.356873][ T3606] __handle_irq_event_percpu+0x200/0x620 [ 48.362577][ T3606] handle_irq_event+0x83/0x1e0 [ 48.367414][ T3606] handle_edge_irq+0x245/0xbe0 [ 48.372258][ T3606] __common_interrupt+0xce/0x1e0 [ 48.377264][ T3606] common_interrupt+0x9f/0xc0 [ 48.382014][ T3606] asm_common_interrupt+0x22/0x40 [ 48.387109][ T3606] _raw_spin_unlock_irqrestore+0xd4/0x130 [ 48.392900][ T3606] i8042_aux_write+0x118/0x190 [ 48.397736][ T3606] ps2_do_sendbyte+0x20e/0x710 [ 48.402573][ T3606] ps2_sendbyte+0x5c/0x110 [ 48.407059][ T3606] cypress_ps2_read_cmd_status+0x152/0x5e0 [ 48.412936][ T3606] cypress_send_ext_cmd+0xfa/0x3f0 [ 48.418133][ T3606] cypress_detect+0x8f/0x220 [ 48.422792][ T3606] psmouse_try_protocol+0x31a/0x4a0 [ 48.428060][ T3606] psmouse_extensions+0x5e0/0xb20 [ 48.433155][ T3606] psmouse_switch_protocol+0x307/0x840 [ 48.438683][ T3606] psmouse_connect+0x923/0x1420 [ 48.443604][ T3606] serio_driver_probe+0x76/0x90 [ 48.448524][ T3606] call_driver_probe+0x96/0x250 [ 48.453453][ T3606] really_probe+0x24c/0x9f0 [ 48.458030][ T3606] __driver_probe_device+0x1f4/0x3f0 [ 48.463387][ T3606] driver_probe_device+0x50/0x240 [ 48.468481][ T3606] __driver_attach+0x364/0x5b0 [ 48.473317][ T3606] bus_for_each_dev+0x188/0x1f0 [ 48.478257][ T3606] serio_handle_event+0x8bc/0x1060 [ 48.483437][ T3606] process_one_work+0x81c/0xd10 [ 48.488359][ T3606] worker_thread+0xb14/0x1330 [ 48.493106][ T3606] kthread+0x266/0x300 [ 48.497247][ T3606] ret_from_fork+0x1f/0x30 [ 48.501736][ T3606] [ 48.501736][ T3606] to a HARDIRQ-irq-unsafe lock: [ 48.508740][ T3606] (tasklist_lock){.+.+}-{2:2} [ 48.508760][ T3606] [ 48.508760][ T3606] ... which became HARDIRQ-irq-unsafe at: [ 48.521360][ T3606] ... [ 48.521366][ T3606] lock_acquire+0x1a7/0x400 [ 48.528506][ T3606] _raw_read_lock+0x32/0x40 [ 48.533082][ T3606] do_wait+0x224/0x9d0 [ 48.537222][ T3606] kernel_wait+0xe4/0x230 [ 48.541620][ T3606] call_usermodehelper_exec_work+0xb4/0x220 [ 48.547585][ T3606] process_one_work+0x81c/0xd10 [ 48.552507][ T3606] worker_thread+0xb14/0x1330 [ 48.557258][ T3606] kthread+0x266/0x300 [ 48.561402][ T3606] ret_from_fork+0x1f/0x30 [ 48.565891][ T3606] [ 48.565891][ T3606] other info that might help us debug this: [ 48.565891][ T3606] [ 48.576100][ T3606] Chain exists of: [ 48.576100][ T3606] &dev->event_lock#2 --> &client->buffer_lock --> tasklist_lock [ 48.576100][ T3606] [ 48.589642][ T3606] Possible interrupt unsafe locking scenario: [ 48.589642][ T3606] [ 48.597941][ T3606] CPU0 CPU1 [ 48.603303][ T3606] ---- ---- [ 48.608665][ T3606] lock(tasklist_lock); [ 48.612892][ T3606] local_irq_disable(); [ 48.619649][ T3606] lock(&dev->event_lock#2); [ 48.626833][ T3606] lock(&client->buffer_lock); [ 48.634212][ T3606] [ 48.637662][ T3606] lock(&dev->event_lock#2); [ 48.642511][ T3606] [ 48.642511][ T3606] *** DEADLOCK *** [ 48.642511][ T3606] [ 48.650638][ T3606] 7 locks held by syz-executor438/3606: [ 48.656183][ T3606] #0: ffff8880226fd110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x26c/0x7d0 [ 48.665317][ T3606] #1: ffff888019113230 (&dev->event_lock#2){-...}-{2:2}, at: input_inject_event+0xb4/0x270 [ 48.675392][ T3606] #2: ffffffff8cd208a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 48.684683][ T3606] #3: ffffffff8cd208a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 48.693973][ T3606] #4: ffffffff8cd208a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 48.703263][ T3606] #5: ffff8880173c0028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0xe5/0xb90 [ 48.713419][ T3606] #6: ffffffff8cd208a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 [ 48.722711][ T3606] [ 48.722711][ T3606] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 48.733096][ T3606] -> (&dev->event_lock#2){-...}-{2:2} { [ 48.738730][ T3606] IN-HARDIRQ-W at: [ 48.742780][ T3606] lock_acquire+0x1a7/0x400 [ 48.749095][ T3606] _raw_spin_lock_irqsave+0xd1/0x120 [ 48.756190][ T3606] input_event+0x89/0xc0 [ 48.762254][ T3606] psmouse_report_standard_packet+0x4f/0x200 [ 48.770042][ T3606] psmouse_process_byte+0x447/0x630 [ 48.777045][ T3606] psmouse_handle_byte+0x44/0x4a0 [ 48.783876][ T3606] psmouse_interrupt+0x68a/0x1080 [ 48.790709][ T3606] serio_interrupt+0x88/0x130 [ 48.797193][ T3606] i8042_interrupt+0x32f/0x720 [ 48.803778][ T3606] __handle_irq_event_percpu+0x200/0x620 [ 48.811217][ T3606] handle_irq_event+0x83/0x1e0 [ 48.817804][ T3606] handle_edge_irq+0x245/0xbe0 [ 48.824377][ T3606] __common_interrupt+0xce/0x1e0 [ 48.831121][ T3606] common_interrupt+0x9f/0xc0 [ 48.837608][ T3606] asm_common_interrupt+0x22/0x40 [ 48.844443][ T3606] _raw_spin_unlock_irqrestore+0xd4/0x130 [ 48.851970][ T3606] i8042_aux_write+0x118/0x190 [ 48.858541][ T3606] ps2_do_sendbyte+0x20e/0x710 [ 48.865122][ T3606] ps2_sendbyte+0x5c/0x110 [ 48.871346][ T3606] cypress_ps2_read_cmd_status+0x152/0x5e0 [ 48.878959][ T3606] cypress_send_ext_cmd+0xfa/0x3f0 [ 48.885876][ T3606] cypress_detect+0x8f/0x220 [ 48.892271][ T3606] psmouse_try_protocol+0x31a/0x4a0 [ 48.899281][ T3606] psmouse_extensions+0x5e0/0xb20 [ 48.906113][ T3606] psmouse_switch_protocol+0x307/0x840 [ 48.913378][ T3606] psmouse_connect+0x923/0x1420 [ 48.920040][ T3606] serio_driver_probe+0x76/0x90 [ 48.926698][ T3606] call_driver_probe+0x96/0x250 [ 48.933361][ T3606] really_probe+0x24c/0x9f0 [ 48.939673][ T3606] __driver_probe_device+0x1f4/0x3f0 [ 48.946769][ T3606] driver_probe_device+0x50/0x240 [ 48.953601][ T3606] __driver_attach+0x364/0x5b0 [ 48.960171][ T3606] bus_for_each_dev+0x188/0x1f0 [ 48.966829][ T3606] serio_handle_event+0x8bc/0x1060 [ 48.973747][ T3606] process_one_work+0x81c/0xd10 [ 48.980408][ T3606] worker_thread+0xb14/0x1330 [ 48.986894][ T3606] kthread+0x266/0x300 [ 48.992769][ T3606] ret_from_fork+0x1f/0x30 [ 48.999001][ T3606] INITIAL USE at: [ 49.002970][ T3606] lock_acquire+0x1a7/0x400 [ 49.009235][ T3606] _raw_spin_lock_irqsave+0xd1/0x120 [ 49.016260][ T3606] input_inject_event+0xb4/0x270 [ 49.022935][ T3606] led_trigger_event+0xdb/0x190 [ 49.029515][ T3606] kbd_led_trigger_activate+0xb8/0x100 [ 49.036697][ T3606] led_trigger_set+0x53b/0x910 [ 49.043184][ T3606] led_trigger_set_default+0x1d1/0x210 [ 49.050367][ T3606] led_classdev_register_ext+0x600/0x7f0 [ 49.057733][ T3606] input_leds_connect+0x55d/0x780 [ 49.064491][ T3606] input_register_device+0xd90/0x1150 [ 49.071609][ T3606] atkbd_connect+0x796/0xa60 [ 49.077933][ T3606] serio_driver_probe+0x76/0x90 [ 49.084519][ T3606] call_driver_probe+0x96/0x250 [ 49.091099][ T3606] really_probe+0x24c/0x9f0 [ 49.097333][ T3606] __driver_probe_device+0x1f4/0x3f0 [ 49.104344][ T3606] driver_probe_device+0x50/0x240 [ 49.111110][ T3606] __driver_attach+0x364/0x5b0 [ 49.117613][ T3606] bus_for_each_dev+0x188/0x1f0 [ 49.124186][ T3606] serio_handle_event+0x8bc/0x1060 [ 49.131021][ T3606] process_one_work+0x81c/0xd10 [ 49.137593][ T3606] worker_thread+0xb14/0x1330 [ 49.144008][ T3606] kthread+0x266/0x300 [ 49.149798][ T3606] ret_from_fork+0x1f/0x30 [ 49.155939][ T3606] } [ 49.158511][ T3606] ... key at: [] input_allocate_device.__key.5+0x0/0x20 [ 49.167618][ T3606] -> (&client->buffer_lock){....}-{2:2} { [ 49.173343][ T3606] INITIAL USE at: [ 49.177221][ T3606] lock_acquire+0x1a7/0x400 [ 49.183721][ T3606] _raw_spin_lock+0x2a/0x40 [ 49.189769][ T3606] evdev_pass_values+0xe5/0xb90 [ 49.196169][ T3606] evdev_events+0x195/0x280 [ 49.202218][ T3606] input_pass_values+0x8fc/0x12b0 [ 49.208794][ T3606] input_event_dispose+0x33f/0x620 [ 49.215456][ T3606] input_handle_event+0x3f2/0xa80 [ 49.222026][ T3606] input_inject_event+0x189/0x270 [ 49.228597][ T3606] evdev_write+0x685/0x7d0 [ 49.234559][ T3606] vfs_write+0x2e5/0xbb0 [ 49.240350][ T3606] ksys_write+0x19b/0x2c0 [ 49.246226][ T3606] do_syscall_64+0x2b/0x70 [ 49.252191][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.259634][ T3606] } [ 49.262119][ T3606] ... key at: [] evdev_open.__key.23+0x0/0x20 [ 49.270284][ T3606] ... acquired at: [ 49.274072][ T3606] lock_acquire+0x1a7/0x400 [ 49.278739][ T3606] _raw_spin_lock+0x2a/0x40 [ 49.283400][ T3606] evdev_pass_values+0xe5/0xb90 [ 49.288408][ T3606] evdev_events+0x195/0x280 [ 49.293071][ T3606] input_pass_values+0x8fc/0x12b0 [ 49.298254][ T3606] input_event_dispose+0x33f/0x620 [ 49.303521][ T3606] input_handle_event+0x3f2/0xa80 [ 49.308702][ T3606] input_inject_event+0x189/0x270 [ 49.313884][ T3606] evdev_write+0x685/0x7d0 [ 49.318457][ T3606] vfs_write+0x2e5/0xbb0 [ 49.322943][ T3606] ksys_write+0x19b/0x2c0 [ 49.327443][ T3606] do_syscall_64+0x2b/0x70 [ 49.332025][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.338081][ T3606] [ 49.340393][ T3606] [ 49.340393][ T3606] the dependencies between the lock to be acquired [ 49.340401][ T3606] and HARDIRQ-irq-unsafe lock: [ 49.353897][ T3606] -> (tasklist_lock){.+.+}-{2:2} { [ 49.359201][ T3606] HARDIRQ-ON-R at: [ 49.363351][ T3606] lock_acquire+0x1a7/0x400 [ 49.369851][ T3606] _raw_read_lock+0x32/0x40 [ 49.376346][ T3606] do_wait+0x224/0x9d0 [ 49.382400][ T3606] kernel_wait+0xe4/0x230 [ 49.388710][ T3606] call_usermodehelper_exec_work+0xb4/0x220 [ 49.396587][ T3606] process_one_work+0x81c/0xd10 [ 49.403417][ T3606] worker_thread+0xb14/0x1330 [ 49.410077][ T3606] kthread+0x266/0x300 [ 49.416125][ T3606] ret_from_fork+0x1f/0x30 [ 49.422524][ T3606] SOFTIRQ-ON-R at: [ 49.426663][ T3606] lock_acquire+0x1a7/0x400 [ 49.433159][ T3606] _raw_read_lock+0x32/0x40 [ 49.439657][ T3606] do_wait+0x224/0x9d0 [ 49.445714][ T3606] kernel_wait+0xe4/0x230 [ 49.452038][ T3606] call_usermodehelper_exec_work+0xb4/0x220 [ 49.459920][ T3606] process_one_work+0x81c/0xd10 [ 49.466755][ T3606] worker_thread+0xb14/0x1330 [ 49.473427][ T3606] kthread+0x266/0x300 [ 49.479489][ T3606] ret_from_fork+0x1f/0x30 [ 49.485897][ T3606] INITIAL USE at: [ 49.489962][ T3606] lock_acquire+0x1a7/0x400 [ 49.496369][ T3606] _raw_write_lock_irq+0xcf/0x110 [ 49.503294][ T3606] copy_process+0x24d6/0x4010 [ 49.509865][ T3606] kernel_clone+0x22f/0x7a0 [ 49.516284][ T3606] user_mode_thread+0x12d/0x190 [ 49.523031][ T3606] rest_init+0x21/0x270 [ 49.529083][ T3606] start_kernel+0x0/0x55b [ 49.535324][ T3606] start_kernel+0x4ac/0x55b [ 49.541724][ T3606] secondary_startup_64_no_verify+0xcf/0xdb [ 49.549509][ T3606] INITIAL READ USE at: [ 49.553996][ T3606] lock_acquire+0x1a7/0x400 [ 49.560826][ T3606] _raw_read_lock+0x32/0x40 [ 49.567655][ T3606] do_wait+0x224/0x9d0 [ 49.574052][ T3606] kernel_wait+0xe4/0x230 [ 49.580708][ T3606] call_usermodehelper_exec_work+0xb4/0x220 [ 49.588933][ T3606] process_one_work+0x81c/0xd10 [ 49.596115][ T3606] worker_thread+0xb14/0x1330 [ 49.603120][ T3606] kthread+0x266/0x300 [ 49.609525][ T3606] ret_from_fork+0x1f/0x30 [ 49.616270][ T3606] } [ 49.618941][ T3606] ... key at: [] tasklist_lock+0x18/0x40 [ 49.626828][ T3606] ... acquired at: [ 49.630790][ T3606] lock_acquire+0x1a7/0x400 [ 49.635450][ T3606] _raw_read_lock+0x32/0x40 [ 49.640122][ T3606] send_sigio+0xbe/0x300 [ 49.644525][ T3606] kill_fasync+0x1e4/0x430 [ 49.649098][ T3606] sock_wake_async+0x130/0x150 [ 49.654034][ T3606] sk_wake_async+0x12e/0x200 [ 49.658805][ T3606] sock_def_readable+0x152/0x200 [ 49.663918][ T3606] unix_dgram_sendmsg+0x1551/0x2050 [ 49.669272][ T3606] ____sys_sendmsg+0x597/0x8e0 [ 49.674209][ T3606] __sys_sendmmsg+0x3d7/0x770 [ 49.679042][ T3606] __x64_sys_sendmmsg+0x9c/0xb0 [ 49.684047][ T3606] do_syscall_64+0x2b/0x70 [ 49.688623][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.694671][ T3606] [ 49.696992][ T3606] -> (&f->f_owner.lock){....}-{2:2} { [ 49.702450][ T3606] INITIAL USE at: [ 49.706415][ T3606] lock_acquire+0x1a7/0x400 [ 49.712640][ T3606] _raw_write_lock_irq+0xcf/0x110 [ 49.719387][ T3606] f_modown+0x38/0x340 [ 49.725177][ T3606] f_setown+0x113/0x1a0 [ 49.731050][ T3606] sock_ioctl+0x591/0x770 [ 49.737100][ T3606] __se_sys_ioctl+0xfb/0x170 [ 49.743409][ T3606] do_syscall_64+0x2b/0x70 [ 49.749547][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.757162][ T3606] INITIAL READ USE at: [ 49.761561][ T3606] lock_acquire+0x1a7/0x400 [ 49.768309][ T3606] _raw_read_lock_irqsave+0xd9/0x120 [ 49.775752][ T3606] send_sigio+0x2f/0x300 [ 49.782149][ T3606] kill_fasync+0x1e4/0x430 [ 49.788721][ T3606] sock_wake_async+0x130/0x150 [ 49.795638][ T3606] sk_wake_async+0x12e/0x200 [ 49.802385][ T3606] sock_def_readable+0x152/0x200 [ 49.809480][ T3606] unix_dgram_sendmsg+0x1551/0x2050 [ 49.816834][ T3606] ____sys_sendmsg+0x597/0x8e0 [ 49.823779][ T3606] __sys_sendmmsg+0x3d7/0x770 [ 49.830613][ T3606] __x64_sys_sendmmsg+0x9c/0xb0 [ 49.837636][ T3606] do_syscall_64+0x2b/0x70 [ 49.844207][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.852273][ T3606] } [ 49.854862][ T3606] ... key at: [] __alloc_file.__key+0x0/0x10 [ 49.863021][ T3606] ... acquired at: [ 49.866903][ T3606] lock_acquire+0x1a7/0x400 [ 49.871573][ T3606] _raw_read_lock_irqsave+0xd9/0x120 [ 49.877017][ T3606] send_sigio+0x2f/0x300 [ 49.881421][ T3606] kill_fasync+0x1e4/0x430 [ 49.885993][ T3606] sock_wake_async+0x130/0x150 [ 49.890914][ T3606] sk_wake_async+0x12e/0x200 [ 49.895662][ T3606] sock_def_readable+0x152/0x200 [ 49.900757][ T3606] unix_dgram_sendmsg+0x1551/0x2050 [ 49.906115][ T3606] ____sys_sendmsg+0x597/0x8e0 [ 49.911035][ T3606] __sys_sendmmsg+0x3d7/0x770 [ 49.915956][ T3606] __x64_sys_sendmmsg+0x9c/0xb0 [ 49.920963][ T3606] do_syscall_64+0x2b/0x70 [ 49.925551][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.931602][ T3606] [ 49.933914][ T3606] -> (&new->fa_lock){....}-{2:2} { [ 49.939026][ T3606] INITIAL READ USE at: [ 49.943337][ T3606] lock_acquire+0x1a7/0x400 [ 49.949822][ T3606] _raw_read_lock_irqsave+0xd9/0x120 [ 49.957086][ T3606] kill_fasync+0x13b/0x430 [ 49.963484][ T3606] sock_wake_async+0x130/0x150 [ 49.970227][ T3606] sk_wake_async+0x12e/0x200 [ 49.976802][ T3606] sock_def_readable+0x152/0x200 [ 49.983720][ T3606] unix_dgram_sendmsg+0x1551/0x2050 [ 49.990904][ T3606] ____sys_sendmsg+0x597/0x8e0 [ 49.997661][ T3606] __sys_sendmmsg+0x3d7/0x770 [ 50.004318][ T3606] __x64_sys_sendmmsg+0x9c/0xb0 [ 50.011150][ T3606] do_syscall_64+0x2b/0x70 [ 50.017549][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.025422][ T3606] } [ 50.027907][ T3606] ... key at: [] fasync_insert_entry.__key+0x0/0x20 [ 50.036592][ T3606] ... acquired at: [ 50.040386][ T3606] lock_acquire+0x1a7/0x400 [ 50.045071][ T3606] _raw_read_lock_irqsave+0xd9/0x120 [ 50.050520][ T3606] kill_fasync+0x13b/0x430 [ 50.055106][ T3606] evdev_pass_values+0x5b1/0xb90 [ 50.060208][ T3606] evdev_events+0x195/0x280 [ 50.064876][ T3606] input_pass_values+0x8fc/0x12b0 [ 50.070071][ T3606] input_event_dispose+0x33f/0x620 [ 50.075360][ T3606] input_handle_event+0x3f2/0xa80 [ 50.080544][ T3606] input_inject_event+0x189/0x270 [ 50.085727][ T3606] evdev_write+0x685/0x7d0 [ 50.090306][ T3606] vfs_write+0x2e5/0xbb0 [ 50.094730][ T3606] ksys_write+0x19b/0x2c0 [ 50.099243][ T3606] do_syscall_64+0x2b/0x70 [ 50.103829][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.109958][ T3606] [ 50.112275][ T3606] [ 50.112275][ T3606] stack backtrace: [ 50.118150][ T3606] CPU: 1 PID: 3606 Comm: syz-executor438 Not tainted 6.0.0-rc4-syzkaller-00062-g0066f1b0e275 #0 [ 50.128549][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 50.138589][ T3606] Call Trace: [ 50.141885][ T3606] [ 50.144809][ T3606] dump_stack_lvl+0x1e3/0x2cb [ 50.149484][ T3606] ? io_alloc_page_table+0x110/0x110 [ 50.154755][ T3606] ? panic+0x76b/0x76b [ 50.158827][ T3606] ? print_shortest_lock_dependencies+0x102/0x160 [ 50.165230][ T3606] validate_chain+0x575e/0x6600 [ 50.170075][ T3606] ? reacquire_held_locks+0x680/0x680 [ 50.175435][ T3606] ? rcu_read_lock_sched_held+0x89/0x130 [ 50.181056][ T3606] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 50.187026][ T3606] ? reacquire_held_locks+0x680/0x680 [ 50.192385][ T3606] ? reacquire_held_locks+0x680/0x680 [ 50.197749][ T3606] ? register_lock_class+0xfe/0x9b0 [ 50.202935][ T3606] ? is_dynamic_key+0x1f0/0x1f0 [ 50.207787][ T3606] ? mark_lock+0x9a/0x350 [ 50.212114][ T3606] __lock_acquire+0x1292/0x1f60 [ 50.216958][ T3606] lock_acquire+0x1a7/0x400 [ 50.221485][ T3606] ? kill_fasync+0x13b/0x430 [ 50.226080][ T3606] ? read_lock_is_recursive+0x10/0x10 [ 50.231469][ T3606] ? read_lock_is_recursive+0x10/0x10 [ 50.236830][ T3606] _raw_read_lock_irqsave+0xd9/0x120 [ 50.242106][ T3606] ? kill_fasync+0x13b/0x430 [ 50.246686][ T3606] ? _raw_read_lock+0x40/0x40 [ 50.251395][ T3606] kill_fasync+0x13b/0x430 [ 50.255806][ T3606] evdev_pass_values+0x5b1/0xb90 [ 50.260739][ T3606] ? evdev_pass_values+0x641/0xb90 [ 50.265842][ T3606] evdev_events+0x195/0x280 [ 50.270331][ T3606] ? evdev_event+0x170/0x170 [ 50.274908][ T3606] input_pass_values+0x8fc/0x12b0 [ 50.279929][ T3606] input_event_dispose+0x33f/0x620 [ 50.285029][ T3606] input_handle_event+0x3f2/0xa80 [ 50.290040][ T3606] ? userio_device_write+0x1f0/0x1f0 [ 50.295337][ T3606] input_inject_event+0x189/0x270 [ 50.300358][ T3606] evdev_write+0x685/0x7d0 [ 50.304762][ T3606] ? evdev_read+0xe10/0xe10 [ 50.309255][ T3606] ? bpf_lsm_file_permission+0x5/0x10 [ 50.314616][ T3606] ? security_file_permission+0xe0/0x5c0 [ 50.320239][ T3606] ? vfs_write+0x213/0xbb0 [ 50.324641][ T3606] ? evdev_read+0xe10/0xe10 [ 50.329131][ T3606] vfs_write+0x2e5/0xbb0 [ 50.333360][ T3606] ? lockdep_hardirqs_on_prepare+0x448/0x7b0 [ 50.339327][ T3606] ? file_end_write+0x230/0x230 [ 50.344163][ T3606] ? do_raw_spin_unlock+0x134/0x8a0 [ 50.349345][ T3606] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.354528][ T3606] ? lockdep_hardirqs_on+0x95/0x140 [ 50.359714][ T3606] ? _raw_spin_unlock_irq+0x2a/0x40 [ 50.364901][ T3606] ? __fdget_pos+0x1d2/0x2e0 [ 50.369479][ T3606] ksys_write+0x19b/0x2c0 [ 50.373803][ T3606] ? print_irqtrace_events+0x220/0x220 [ 50.379253][ T3606] ? __ia32_sys_read+0x80/0x80 [ 50.384004][ T3606] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 50.389971][ T3606] ? syscall_enter_from_user_mode+0x86/0x1d0 [ 50.395939][ T3606] do_syscall_64+0x2b/0x70 [ 50.400355][ T3606] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.406240][ T3606] RIP: 0033:0x7fd4a729d739 [ 50.410643][ T3606] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 50.430256][ T3606] RSP: 002b:00007ffda169d2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.438656][ T3606] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd4a729d739 [ 50.446612][ T3606] RDX: 0000000000003888 RSI: 0000000020000080 RDI: 0000000000000005 [ 50.454568][ T3606] RBP: 00007fd4a725cfb0 R08: 0000000000000000 R09: 0000000000000000 [ 50.462531][ T3606] R10: 000000000000ffff R11: 0000000000000246 R12: 00007fd4a725d040 write(5, "\x26\x00\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b\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"..., 14472) = 14472 exit_group(0) = ? +++ exited with 0 +++ [