./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor679927743
<...>
[ 37.523403][ T4634] 8021q: adding VLAN 0 to HW filter on device bond0
[ 37.546959][ T4634] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 46.564005][ T26] kauditd_printk_skb: 37 callbacks suppressed
[ 46.564016][ T26] audit: type=1400 audit(1672918794.077:73): avc: denied { transition } for pid=4847 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 46.593927][ T26] audit: type=1400 audit(1672918794.117:74): avc: denied { write } for pid=4847 comm="sh" path="pipe:[27413]" dev="pipefs" ino=27413 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1
Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts.
execve("./syz-executor679927743", ["./syz-executor679927743"], 0x7fff7e9c94b0 /* 10 vars */) = 0
brk(NULL) = 0x555556ac4000
brk(0x555556ac4c40) = 0x555556ac4c40
arch_prctl(ARCH_SET_FS, 0x555556ac4300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor679927743", 4096) = 27
brk(0x555556ae5c40) = 0x555556ae5c40
brk(0x555556ae6000) = 0x555556ae6000
mprotect(0x7f6b3031d000, 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
socket(AF_UNIX, SOCK_DGRAM, 0) = 4
connect(4, {sa_family=AF_UNIX, sun_path="\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b"}, 110) = 0
sendmmsg(4, [{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_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, ...], 3682232011, MSG_DONTWAIT|MSG_EOR|MSG_FIN|MSG_SYN|MSG_CONFIRM|MSG_RST|MSG_ERRQUEUE) = 11
openat(AT_FDCWD, "/dev/input/event0", O_RDONLY) = 5
ioctl(5, FIOASYNC, [233]) = 0
openat(AT_FDCWD, "/dev/input/event0", O_RDWR|O_NOFOLLOW) = 6
[ 57.973179][ T26] audit: type=1400 audit(1672918805.487:75): avc: denied { execmem } for pid=5060 comm="syz-executor679" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 57.985901][ T5060]
[ 57.993770][ T26] audit: type=1400 audit(1672918805.487:76): avc: denied { read } for pid=5060 comm="syz-executor679" name="event0" dev="devtmpfs" ino=833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:event_device_t tclass=chr_file permissive=1
[ 57.995478][ T5060] =====================================================
[ 57.995484][ T5060] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected
[ 57.995493][ T5060] 6.2.0-rc2-syzkaller-00024-g512dee0c00ad #0 Not tainted
[ 57.995503][ T5060] -----------------------------------------------------
[ 57.995508][ T5060] syz-executor679/5060 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
[ 57.995529][ T5060] ffff88802a968948 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x13a/0x480
[ 58.019933][ T26] audit: type=1400 audit(1672918805.487:77): avc: denied { open } for pid=5060 comm="syz-executor679" path="/dev/input/event0" dev="devtmpfs" ino=833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:event_device_t tclass=chr_file permissive=1
[ 58.025889][ T5060]
[ 58.025889][ T5060] and this task is already holding:
[ 58.025895][ T5060] ffff88807a298028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values.part.0+0xf6/0x960
[ 58.025954][ T5060] which would create a new lock dependency:
[ 58.025960][ T5060] (&client->buffer_lock
[ 58.033611][ T26] audit: type=1400 audit(1672918805.487:78): avc: denied { write } for pid=5060 comm="syz-executor679" name="event0" dev="devtmpfs" ino=833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:event_device_t tclass=chr_file permissive=1
[ 58.040395][ T5060] ){....}-{2:2} -> (&new->fa_lock){....}-{2:2}
[ 58.040428][ T5060]
[ 58.040428][ T5060] but this new dependency connects a HARDIRQ-irq-safe lock:
[ 58.040436][ T5060] (&dev->event_lock#2){-...}-{2:2}
[ 58.155379][ T5060]
[ 58.155379][ T5060] ... which became HARDIRQ-irq-safe at:
[ 58.168285][ T5060] lock_acquire+0x1e3/0x630
[ 58.172903][ T5060] _raw_spin_lock_irqsave+0x3d/0x60
[ 58.178216][ T5060] input_event+0x70/0xa0
[ 58.182568][ T5060] psmouse_report_standard_buttons+0x30/0x80
[ 58.188657][ T5060] psmouse_process_byte+0x39e/0x8b0
[ 58.193956][ T5060] psmouse_handle_byte+0x41/0x1b0
[ 58.199073][ T5060] psmouse_interrupt+0x308/0xf00
[ 58.204095][ T5060] serio_interrupt+0x8c/0x150
[ 58.208864][ T5060] i8042_interrupt+0x27e/0x520
[ 58.213720][ T5060] __handle_irq_event_percpu+0x264/0x970
[ 58.219437][ T5060] handle_irq_event+0xab/0x1e0
[ 58.224285][ T5060] handle_edge_irq+0x263/0xd00
[ 58.229225][ T5060] __common_interrupt+0xa1/0x210
[ 58.234252][ T5060] common_interrupt+0xa8/0xd0
[ 58.239027][ T5060] asm_common_interrupt+0x26/0x40
[ 58.244138][ T5060] _raw_spin_unlock_irqrestore+0x3c/0x70
[ 58.249919][ T5060] i8042_command+0x132/0x160
[ 58.254628][ T5060] i8042_aux_write+0xdb/0x120
[ 58.259397][ T5060] ps2_do_sendbyte+0x2cd/0x710
[ 58.264248][ T5060] ps2_sendbyte+0x5c/0x150
[ 58.268751][ T5060] cypress_ps2_sendbyte+0x2e/0x160
[ 58.273953][ T5060] cypress_send_ext_cmd+0x1d0/0x8d0
[ 58.279247][ T5060] cypress_detect+0x79/0x190
[ 58.283932][ T5060] psmouse_try_protocol+0x211/0x370
[ 58.289215][ T5060] psmouse_extensions+0x557/0x930
[ 58.294324][ T5060] psmouse_switch_protocol+0x52a/0x740
[ 58.299874][ T5060] psmouse_connect+0x5ef/0xec0
[ 58.304722][ T5060] serio_driver_probe+0x76/0xa0
[ 58.309665][ T5060] really_probe+0x249/0xb90
[ 58.314254][ T5060] __driver_probe_device+0x1df/0x4d0
[ 58.319634][ T5060] driver_probe_device+0x4c/0x1a0
[ 58.324752][ T5060] __driver_attach+0x271/0x570
[ 58.329603][ T5060] bus_for_each_dev+0x14b/0x1d0
[ 58.334541][ T5060] serio_handle_event+0x2c3/0xa40
[ 58.339669][ T5060] process_one_work+0x9bf/0x1710
[ 58.344691][ T5060] worker_thread+0x669/0x1090
[ 58.349476][ T5060] kthread+0x2e8/0x3a0
[ 58.353645][ T5060] ret_from_fork+0x1f/0x30
[ 58.358173][ T5060]
[ 58.358173][ T5060] to a HARDIRQ-irq-unsafe lock:
[ 58.365183][ T5060] (tasklist_lock){.+.+}-{2:2}
[ 58.365209][ T5060]
[ 58.365209][ T5060] ... which became HARDIRQ-irq-unsafe at:
[ 58.377821][ T5060] ...
[ 58.377827][ T5060] lock_acquire+0x1e3/0x630
[ 58.385090][ T5060] _raw_read_lock+0x5f/0x70
[ 58.389853][ T5060] do_wait+0x2b7/0xd70
[ 58.394020][ T5060] kernel_wait+0xa0/0x150
[ 58.398441][ T5060] call_usermodehelper_exec_work+0xf9/0x180
[ 58.404430][ T5060] process_one_work+0x9bf/0x1710
[ 58.409449][ T5060] worker_thread+0x669/0x1090
[ 58.414207][ T5060] kthread+0x2e8/0x3a0
[ 58.418355][ T5060] ret_from_fork+0x1f/0x30
[ 58.422857][ T5060]
[ 58.422857][ T5060] other info that might help us debug this:
[ 58.422857][ T5060]
[ 58.433172][ T5060] Chain exists of:
[ 58.433172][ T5060] &dev->event_lock#2 --> &client->buffer_lock --> tasklist_lock
[ 58.433172][ T5060]
[ 58.446830][ T5060] Possible interrupt unsafe locking scenario:
[ 58.446830][ T5060]
[ 58.455138][ T5060] CPU0 CPU1
[ 58.460494][ T5060] ---- ----
[ 58.465847][ T5060] lock(tasklist_lock);
[ 58.470086][ T5060] local_irq_disable();
[ 58.476829][ T5060] lock(&dev->event_lock#2);
[ 58.484038][ T5060] lock(&client->buffer_lock);
[ 58.491419][ T5060] <Interrupt>
[ 58.494868][ T5060] lock(&dev->event_lock#2);
[ 58.499720][ T5060]
[ 58.499720][ T5060] *** DEADLOCK ***
[ 58.499720][ T5060]
[ 58.507858][ T5060] 7 locks held by syz-executor679/5060:
[ 58.513391][ T5060] #0: ffff888147630110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x1d7/0x760
[ 58.522529][ T5060] #1: ffff8881462b9230 (&dev->event_lock#2){-...}-{2:2}, at: input_inject_event+0x9f/0x330
[ 58.532636][ T5060] #2: ffffffff8c78eac0 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0x8b/0x330
[ 58.542297][ T5060] #3: ffffffff8c78eac0 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x710
[ 58.552403][ T5060] #4: ffffffff8c78eac0 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x5d/0x3e0
[ 58.561549][ T5060] #5: ffff88807a298028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values.part.0+0xf6/0x960
[ 58.572435][ T5060] #6: ffffffff8c78eac0 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x45/0x480
[ 58.581485][ T5060]
[ 58.581485][ T5060] the dependencies between HARDIRQ-irq-safe lock and the holding lock:
[ 58.591878][ T5060] -> (&dev->event_lock#2){-...}-{2:2} {
[ 58.597526][ T5060] IN-HARDIRQ-W at:
[ 58.601588][ T5060] lock_acquire+0x1e3/0x630
[ 58.607922][ T5060] _raw_spin_lock_irqsave+0x3d/0x60
[ 58.614945][ T5060] input_event+0x70/0xa0
[ 58.621011][ T5060] psmouse_report_standard_buttons+0x30/0x80
[ 58.628814][ T5060] psmouse_process_byte+0x39e/0x8b0
[ 58.635834][ T5060] psmouse_handle_byte+0x41/0x1b0
[ 58.642678][ T5060] psmouse_interrupt+0x308/0xf00
[ 58.649434][ T5060] serio_interrupt+0x8c/0x150
[ 58.655935][ T5060] i8042_interrupt+0x27e/0x520
[ 58.662526][ T5060] __handle_irq_event_percpu+0x264/0x970
[ 58.670456][ T5060] handle_irq_event+0xab/0x1e0
[ 58.677241][ T5060] handle_edge_irq+0x263/0xd00
[ 58.683833][ T5060] __common_interrupt+0xa1/0x210
[ 58.690604][ T5060] common_interrupt+0xa8/0xd0
[ 58.697098][ T5060] asm_common_interrupt+0x26/0x40
[ 58.703946][ T5060] _raw_spin_unlock_irqrestore+0x3c/0x70
[ 58.711406][ T5060] i8042_command+0x132/0x160
[ 58.717814][ T5060] i8042_aux_write+0xdb/0x120
[ 58.724315][ T5060] ps2_do_sendbyte+0x2cd/0x710
[ 58.730894][ T5060] ps2_sendbyte+0x5c/0x150
[ 58.737127][ T5060] cypress_ps2_sendbyte+0x2e/0x160
[ 58.744068][ T5060] cypress_send_ext_cmd+0x1d0/0x8d0
[ 58.751093][ T5060] cypress_detect+0x79/0x190
[ 58.757513][ T5060] psmouse_try_protocol+0x211/0x370
[ 58.764536][ T5060] psmouse_extensions+0x557/0x930
[ 58.771383][ T5060] psmouse_switch_protocol+0x52a/0x740
[ 58.778746][ T5060] psmouse_connect+0x5ef/0xec0
[ 58.785332][ T5060] serio_driver_probe+0x76/0xa0
[ 58.792012][ T5060] really_probe+0x249/0xb90
[ 58.798341][ T5060] __driver_probe_device+0x1df/0x4d0
[ 58.805448][ T5060] driver_probe_device+0x4c/0x1a0
[ 58.812298][ T5060] __driver_attach+0x271/0x570
[ 58.818885][ T5060] bus_for_each_dev+0x14b/0x1d0
[ 58.825555][ T5060] serio_handle_event+0x2c3/0xa40
[ 58.832407][ T5060] process_one_work+0x9bf/0x1710
[ 58.839170][ T5060] worker_thread+0x669/0x1090
[ 58.845706][ T5060] kthread+0x2e8/0x3a0
[ 58.851592][ T5060] ret_from_fork+0x1f/0x30
[ 58.857833][ T5060] INITIAL USE at:
[ 58.861831][ T5060] lock_acquire+0x1e3/0x630
[ 58.868074][ T5060] _raw_spin_lock_irqsave+0x3d/0x60
[ 58.875008][ T5060] input_inject_event+0x9f/0x330
[ 58.881681][ T5060] led_set_brightness_nosleep+0xea/0x1a0
[ 58.889050][ T5060] led_set_brightness+0x138/0x180
[ 58.895814][ T5060] led_trigger_event+0xb4/0x200
[ 58.902403][ T5060] kbd_led_trigger_activate+0xcd/0x110
[ 58.909686][ T5060] led_trigger_set+0x5db/0xaf0
[ 58.916188][ T5060] led_trigger_set_default+0x1aa/0x230
[ 58.923388][ T5060] led_classdev_register_ext+0x573/0x770
[ 58.930759][ T5060] input_leds_connect+0x4c1/0x860
[ 58.937522][ T5060] input_attach_handler+0x180/0x1f0
[ 58.944470][ T5060] input_register_device.cold+0xf0/0x2fd
[ 58.951834][ T5060] atkbd_connect+0x5ca/0x9d0
[ 58.958154][ T5060] serio_driver_probe+0x76/0xa0
[ 58.964766][ T5060] really_probe+0x249/0xb90
[ 58.971006][ T5060] __driver_probe_device+0x1df/0x4d0
[ 58.978029][ T5060] driver_probe_device+0x4c/0x1a0
[ 58.984793][ T5060] __driver_attach+0x271/0x570
[ 58.991294][ T5060] bus_for_each_dev+0x14b/0x1d0
[ 58.997876][ T5060] serio_handle_event+0x2c3/0xa40
[ 59.004641][ T5060] process_one_work+0x9bf/0x1710
[ 59.011312][ T5060] worker_thread+0x669/0x1090
[ 59.017724][ T5060] kthread+0x2e8/0x3a0
[ 59.023523][ T5060] ret_from_fork+0x1f/0x30
[ 59.029676][ T5060] }
[ 59.032252][ T5060] ... key at: [<ffffffff91f24c00>] __key.7+0x0/0x40
[ 59.039453][ T5060] -> (&client->buffer_lock){....}-{2:2} {
[ 59.045184][ T5060] INITIAL USE at:
[ 59.049068][ T5060] lock_acquire+0x1e3/0x630
[ 59.055142][ T5060] _raw_spin_lock+0x2e/0x40
[ 59.061211][ T5060] evdev_pass_values.part.0+0xf6/0x960
[ 59.068242][ T5060] evdev_events+0x35d/0x3e0
[ 59.074317][ T5060] input_to_handler+0x2a0/0x4c0
[ 59.080724][ T5060] input_pass_values.part.0+0x230/0x710
[ 59.087830][ T5060] input_event_dispose+0x5cf/0x730
[ 59.094506][ T5060] input_handle_event+0x120/0xe70
[ 59.101090][ T5060] input_inject_event+0x1c8/0x330
[ 59.107679][ T5060] evdev_write+0x434/0x760
[ 59.113650][ T5060] vfs_write+0x2db/0xdd0
[ 59.119459][ T5060] ksys_write+0x1ec/0x250
[ 59.125354][ T5060] do_syscall_64+0x39/0xb0
[ 59.131337][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 59.138814][ T5060] }
[ 59.141307][ T5060] ... key at: [<ffffffff91f25080>] __key.3+0x0/0x40
[ 59.148421][ T5060] ... acquired at:
[ 59.152220][ T5060] _raw_spin_lock+0x2e/0x40
[ 59.156901][ T5060] evdev_pass_values.part.0+0xf6/0x960
[ 59.162539][ T5060] evdev_events+0x35d/0x3e0
[ 59.167221][ T5060] input_to_handler+0x2a0/0x4c0
[ 59.172243][ T5060] input_pass_values.part.0+0x230/0x710
[ 59.177962][ T5060] input_event_dispose+0x5cf/0x730
[ 59.183246][ T5060] input_handle_event+0x120/0xe70
[ 59.188451][ T5060] input_inject_event+0x1c8/0x330
[ 59.193650][ T5060] evdev_write+0x434/0x760
[ 59.198233][ T5060] vfs_write+0x2db/0xdd0
[ 59.202655][ T5060] ksys_write+0x1ec/0x250
[ 59.207157][ T5060] do_syscall_64+0x39/0xb0
[ 59.211849][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 59.217944][ T5060]
[ 59.220268][ T5060]
[ 59.220268][ T5060] the dependencies between the lock to be acquired
[ 59.220276][ T5060] and HARDIRQ-irq-unsafe lock:
[ 59.233799][ T5060] -> (tasklist_lock){.+.+}-{2:2} {
[ 59.239095][ T5060] HARDIRQ-ON-R at:
[ 59.243239][ T5060] lock_acquire+0x1e3/0x630
[ 59.249750][ T5060] _raw_read_lock+0x5f/0x70
[ 59.256251][ T5060] do_wait+0x2b7/0xd70
[ 59.262316][ T5060] kernel_wait+0xa0/0x150
[ 59.268647][ T5060] call_usermodehelper_exec_work+0xf9/0x180
[ 59.276544][ T5060] process_one_work+0x9bf/0x1710
[ 59.283482][ T5060] worker_thread+0x669/0x1090
[ 59.290152][ T5060] kthread+0x2e8/0x3a0
[ 59.296210][ T5060] ret_from_fork+0x1f/0x30
[ 59.302627][ T5060] SOFTIRQ-ON-R at:
[ 59.306771][ T5060] lock_acquire+0x1e3/0x630
[ 59.313275][ T5060] _raw_read_lock+0x5f/0x70
[ 59.319780][ T5060] do_wait+0x2b7/0xd70
[ 59.325861][ T5060] kernel_wait+0xa0/0x150
[ 59.332266][ T5060] call_usermodehelper_exec_work+0xf9/0x180
[ 59.340205][ T5060] process_one_work+0x9bf/0x1710
[ 59.347161][ T5060] worker_thread+0x669/0x1090
[ 59.353837][ T5060] kthread+0x2e8/0x3a0
[ 59.359898][ T5060] ret_from_fork+0x1f/0x30
[ 59.366318][ T5060] INITIAL USE at:
[ 59.370380][ T5060] lock_acquire+0x1e3/0x630
[ 59.376816][ T5060] _raw_write_lock_irq+0x36/0x50
[ 59.383695][ T5060] copy_process+0x4efb/0x7520
[ 59.390302][ T5060] kernel_clone+0xeb/0x990
[ 59.396636][ T5060] user_mode_thread+0xb1/0xf0
[ 59.403238][ T5060] rest_init+0x27/0x270
[ 59.409324][ T5060] arch_call_rest_init+0x13/0x1c
[ 59.416174][ T5060] start_kernel+0x44f/0x470
[ 59.422584][ T5060] secondary_startup_64_no_verify+0xce/0xdb
[ 59.430391][ T5060] INITIAL READ USE at:
[ 59.434883][ T5060] lock_acquire+0x1e3/0x630
[ 59.441759][ T5060] _raw_read_lock+0x5f/0x70
[ 59.448621][ T5060] do_wait+0x2b7/0xd70
[ 59.455039][ T5060] kernel_wait+0xa0/0x150
[ 59.461732][ T5060] call_usermodehelper_exec_work+0xf9/0x180
[ 59.469976][ T5060] process_one_work+0x9bf/0x1710
[ 59.477261][ T5060] worker_thread+0x669/0x1090
[ 59.484366][ T5060] kthread+0x2e8/0x3a0
[ 59.490817][ T5060] ret_from_fork+0x1f/0x30
[ 59.497580][ T5060] }
[ 59.500251][ T5060] ... key at: [<ffffffff8c40a098>] tasklist_lock+0x18/0x40
[ 59.508144][ T5060] ... acquired at:
[ 59.512110][ T5060] _raw_read_lock+0x5f/0x70
[ 59.516786][ T5060] send_sigio+0xaf/0x370
[ 59.521200][ T5060] kill_fasync+0x1fc/0x480
[ 59.525800][ T5060] sock_wake_async+0xd6/0x160
[ 59.530656][ T5060] sock_def_readable+0x34d/0x4e0
[ 59.535767][ T5060] unix_dgram_sendmsg+0xf8c/0x1bc0
[ 59.541054][ T5060] sock_sendmsg+0xd3/0x120
[ 59.545645][ T5060] ____sys_sendmsg+0x334/0x8c0
[ 59.550589][ T5060] ___sys_sendmsg+0x110/0x1b0
[ 59.555435][ T5060] __sys_sendmmsg+0x18f/0x460
[ 59.560278][ T5060] __x64_sys_sendmmsg+0x9d/0x100
[ 59.565384][ T5060] do_syscall_64+0x39/0xb0
[ 59.569981][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 59.576045][ T5060]
[ 59.578360][ T5060] -> (&f->f_owner.lock){....}-{2:2} {
[ 59.583830][ T5060] INITIAL USE at:
[ 59.587803][ T5060] lock_acquire+0x1e3/0x630
[ 59.594053][ T5060] _raw_write_lock_irq+0x36/0x50
[ 59.600732][ T5060] f_modown+0x2a/0x390
[ 59.606533][ T5060] f_setown+0xdb/0x230
[ 59.612332][ T5060] sock_ioctl+0x450/0x680
[ 59.618419][ T5060] __x64_sys_ioctl+0x197/0x210
[ 59.624930][ T5060] do_syscall_64+0x39/0xb0
[ 59.631089][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 59.638722][ T5060] INITIAL READ USE at:
[ 59.643129][ T5060] lock_acquire+0x1e3/0x630
[ 59.649805][ T5060] _raw_read_lock_irqsave+0x74/0x90
[ 59.657175][ T5060] send_sigio+0x28/0x370
[ 59.663585][ T5060] kill_fasync+0x1fc/0x480
[ 59.670167][ T5060] sock_wake_async+0xd6/0x160
[ 59.677015][ T5060] sock_def_readable+0x34d/0x4e0
[ 59.684125][ T5060] unix_dgram_sendmsg+0xf8c/0x1bc0
[ 59.691412][ T5060] sock_sendmsg+0xd3/0x120
[ 59.698002][ T5060] ____sys_sendmsg+0x334/0x8c0
[ 59.704941][ T5060] ___sys_sendmsg+0x110/0x1b0
[ 59.711783][ T5060] __sys_sendmmsg+0x18f/0x460
[ 59.718628][ T5060] __x64_sys_sendmmsg+0x9d/0x100
[ 59.725745][ T5060] do_syscall_64+0x39/0xb0
[ 59.732428][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 59.740490][ T5060] }
[ 59.743066][ T5060] ... key at: [<ffffffff91c6f9c0>] __key.5+0x0/0x40
[ 59.750266][ T5060] ... acquired at:
[ 59.754144][ T5060] _raw_read_lock_irqsave+0x74/0x90
[ 59.759515][ T5060] send_sigio+0x28/0x370
[ 59.763936][ T5060] kill_fasync+0x1fc/0x480
[ 59.768523][ T5060] sock_wake_async+0xd6/0x160
[ 59.773490][ T5060] sock_def_readable+0x34d/0x4e0
[ 59.778601][ T5060] unix_dgram_sendmsg+0xf8c/0x1bc0
[ 59.783977][ T5060] sock_sendmsg+0xd3/0x120
[ 59.788567][ T5060] ____sys_sendmsg+0x334/0x8c0
[ 59.793508][ T5060] ___sys_sendmsg+0x110/0x1b0
[ 59.798351][ T5060] __sys_sendmmsg+0x18f/0x460
[ 59.803197][ T5060] __x64_sys_sendmmsg+0x9d/0x100
[ 59.808311][ T5060] do_syscall_64+0x39/0xb0
[ 59.812909][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 59.818982][ T5060]
[ 59.821294][ T5060] -> (&new->fa_lock){....}-{2:2} {
[ 59.826503][ T5060] INITIAL READ USE at:
[ 59.830820][ T5060] lock_acquire+0x1e3/0x630
[ 59.837327][ T5060] _raw_read_lock_irqsave+0x74/0x90
[ 59.844524][ T5060] kill_fasync+0x13a/0x480
[ 59.850936][ T5060] sock_wake_async+0xd6/0x160
[ 59.857642][ T5060] sock_def_readable+0x34d/0x4e0
[ 59.864581][ T5060] unix_dgram_sendmsg+0xf8c/0x1bc0
[ 59.871708][ T5060] sock_sendmsg+0xd3/0x120
[ 59.878146][ T5060] ____sys_sendmsg+0x334/0x8c0
[ 59.884908][ T5060] ___sys_sendmsg+0x110/0x1b0
[ 59.891574][ T5060] __sys_sendmmsg+0x18f/0x460
[ 59.898247][ T5060] __x64_sys_sendmmsg+0x9d/0x100
[ 59.905175][ T5060] do_syscall_64+0x39/0xb0
[ 59.911597][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 59.919489][ T5060] }
[ 59.921984][ T5060] ... key at: [<ffffffff91c707a0>] __key.0+0x0/0x40
[ 59.929095][ T5060] ... acquired at:
[ 59.932886][ T5060] lock_acquire+0x1e3/0x630
[ 59.937566][ T5060] _raw_read_lock_irqsave+0x74/0x90
[ 59.942945][ T5060] kill_fasync+0x13a/0x480
[ 59.947531][ T5060] evdev_pass_values.part.0+0x667/0x960
[ 59.953258][ T5060] evdev_events+0x35d/0x3e0
[ 59.957940][ T5060] input_to_handler+0x2a0/0x4c0
[ 59.962963][ T5060] input_pass_values.part.0+0x230/0x710
[ 59.968692][ T5060] input_event_dispose+0x5cf/0x730
[ 59.973976][ T5060] input_handle_event+0x120/0xe70
[ 59.979172][ T5060] input_inject_event+0x1c8/0x330
[ 59.984381][ T5060] evdev_write+0x434/0x760
[ 59.988966][ T5060] vfs_write+0x2db/0xdd0
[ 59.993388][ T5060] ksys_write+0x1ec/0x250
[ 59.997891][ T5060] do_syscall_64+0x39/0xb0
[ 60.002486][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 60.008564][ T5060]
[ 60.010886][ T5060]
[ 60.010886][ T5060] stack backtrace:
[ 60.016760][ T5060] CPU: 0 PID: 5060 Comm: syz-executor679 Not tainted 6.2.0-rc2-syzkaller-00024-g512dee0c00ad #0
[ 60.027164][ T5060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 60.037213][ T5060] Call Trace:
[ 60.040486][ T5060] <TASK>
[ 60.043414][ T5060] dump_stack_lvl+0xd1/0x138
[ 60.048011][ T5060] check_irq_usage.cold+0x4e4/0x761
[ 60.053215][ T5060] ? print_shortest_lock_dependencies_backwards+0x80/0x80
[ 60.060339][ T5060] ? mark_lock.part.0+0xee/0x1910
[ 60.065371][ T5060] ? check_path.constprop.0+0x24/0x50
[ 60.070749][ T5060] ? register_lock_class+0xbe/0x1120
[ 60.076043][ T5060] ? lock_chain_count+0x20/0x20
[ 60.080900][ T5060] ? is_dynamic_key.part.0+0x130/0x130
[ 60.086365][ T5060] ? try_to_wake_up+0x107/0x2080
[ 60.091299][ T5060] __lock_acquire+0x2a5b/0x56d0
[ 60.096160][ T5060] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 60.102150][ T5060] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 60.108160][ T5060] lock_acquire+0x1e3/0x630
[ 60.112673][ T5060] ? kill_fasync+0x13a/0x480
[ 60.117264][ T5060] ? lock_release+0x810/0x810
[ 60.121945][ T5060] ? lock_release+0x810/0x810
[ 60.126629][ T5060] ? lock_release+0x810/0x810
[ 60.131314][ T5060] ? __wake_up_common+0x650/0x650
[ 60.136345][ T5060] _raw_read_lock_irqsave+0x74/0x90
[ 60.141549][ T5060] ? kill_fasync+0x13a/0x480
[ 60.146137][ T5060] kill_fasync+0x13a/0x480
[ 60.150552][ T5060] evdev_pass_values.part.0+0x667/0x960
[ 60.156124][ T5060] ? evdev_free+0x70/0x70
[ 60.160461][ T5060] ? ktime_mono_to_any+0xb9/0x1e0
[ 60.165503][ T5060] evdev_events+0x35d/0x3e0
[ 60.170013][ T5060] ? evdev_connect+0x4b0/0x4b0
[ 60.174795][ T5060] input_to_handler+0x2a0/0x4c0
[ 60.179642][ T5060] input_pass_values.part.0+0x230/0x710
[ 60.185191][ T5060] input_event_dispose+0x5cf/0x730
[ 60.190308][ T5060] input_handle_event+0x120/0xe70
[ 60.195335][ T5060] input_inject_event+0x1c8/0x330
[ 60.200362][ T5060] evdev_write+0x434/0x760
[ 60.204825][ T5060] ? evdev_read+0xe40/0xe40
[ 60.209356][ T5060] ? security_file_permission+0xaf/0xd0
[ 60.214913][ T5060] vfs_write+0x2db/0xdd0
[ 60.219159][ T5060] ? evdev_read+0xe40/0xe40
[ 60.223672][ T5060] ? kernel_write+0x630/0x630
[ 60.228352][ T5060] ? find_held_lock+0x2d/0x110
[ 60.233133][ T5060] ? ptrace_notify+0xfe/0x140
[ 60.237806][ T5060] ? lock_downgrade+0x6e0/0x6e0
[ 60.242666][ T5060] ? __fget_light+0x20a/0x270
[ 60.247347][ T5060] ksys_write+0x1ec/0x250
[ 60.251775][ T5060] ? __ia32_sys_read+0xb0/0xb0
[ 60.256542][ T5060] ? lockdep_hardirqs_on+0x7d/0x100
[ 60.261746][ T5060] ? _raw_spin_unlock_irq+0x2e/0x50
[ 60.266976][ T5060] ? ptrace_notify+0xfe/0x140
[ 60.271681][ T5060] do_syscall_64+0x39/0xb0
[ 60.276139][ T5060] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 60.282044][ T5060] RIP: 0033:0x7f6b302b0829
[ 60.286455][ T5060] 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
[ 60.306060][ T5060] RSP: 002b:00007fff8368f4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 60.314478][ T5060] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b302b0829
[ 60.322445][ T5060] RDX: 0000000000000079 RSI: 000000002004d000 RDI: 0000000000000006
write(6, "\x00\x00\x00\x00\x00\x00\x00\x00\x10\x27\x00\x00\x00\x00\x00\x00\x00\x00\x01\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"..., 121) = 120
exit_group(0) = ?
+++ exited with 0 +++
[ 60.330410][ T5060] RBP: 00007f6b30