./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor196766144 <...> [ 3.713083][ T84] acpid (84) used greatest stack depth: 23344 bytes left [ 3.974388][ T99] udevd[99]: starting version 3.2.11 [ 4.023967][ T100] udevd[100]: starting eudev-3.2.11 [ 4.026649][ T99] udevd (99) used greatest stack depth: 22288 bytes left [ 12.035665][ T30] kauditd_printk_skb: 50 callbacks suppressed [ 12.035681][ T30] audit: type=1400 audit(1683599474.375:61): avc: denied { transition } for pid=223 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.046442][ T30] audit: type=1400 audit(1683599474.375:62): avc: denied { noatsecure } for pid=223 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.053633][ T30] audit: type=1400 audit(1683599474.375:63): avc: denied { write } for pid=223 comm="sh" path="pipe:[13322]" dev="pipefs" ino=13322 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 12.060586][ T30] audit: type=1400 audit(1683599474.375:64): avc: denied { rlimitinh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.067025][ T30] audit: type=1400 audit(1683599474.375:65): avc: denied { siginh } for pid=223 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.108' (ECDSA) to the list of known hosts. execve("./syz-executor196766144", ["./syz-executor196766144"], 0x7fffae8c51d0 /* 10 vars */) = 0 brk(NULL) = 0x555556435000 brk(0x555556435c40) = 0x555556435c40 arch_prctl(ARCH_SET_FS, 0x555556435300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555564355d0) = 294 set_robust_list(0x5555564355e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f4615f541f0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f4615f548c0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f4615f54290, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f4615f548c0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor196766144", 4096) = 27 brk(0x555556456c40) = 0x555556456c40 brk(0x555556457000) = 0x555556457000 mprotect(0x7f4616014000, 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 futex(0x7f461601a4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4615f23000 mprotect(0x7f4615f24000, 131072, PROT_READ|PROT_WRITE) = 0 clone(child_stack=0x7f4615f433f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[295], tls=0x7f4615f43700, child_tidptr=0x7f4615f439d0) = 295 futex(0x7f461601a4a8, FUTEX_WAKE_PRIVATE, 1000000) = 0 futex(0x7f461601a4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=3, tv_nsec=50000000}./strace-static-x86_64: Process 295 attached [pid 295] set_robust_list(0x7f4615f439e0, 24) = 0 [pid 295] openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 [pid 295] ioctl(3, USB_RAW_IOCTL_INIT, 0x7f4615f422c0) = 0 [pid 295] ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f422c0) = 0 [ 22.643387][ T30] audit: type=1400 audit(1683599484.985:66): avc: denied { execmem } for pid=294 comm="syz-executor196" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.651134][ T30] audit: type=1400 audit(1683599484.985:67): avc: denied { read write } for pid=294 comm="syz-executor196" name="raw-gadget" dev="devtmpfs" ino=162 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 22.658979][ T30] audit: type=1400 audit(1683599484.985:68): avc: denied { open } for pid=294 comm="syz-executor196" path="/dev/raw-gadget" dev="devtmpfs" ino=162 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 22.673911][ T30] audit: type=1400 audit(1683599484.985:69): avc: denied { ioctl } for pid=294 comm="syz-executor196" path="/dev/raw-gadget" dev="devtmpfs" ino=162 ioctlcmd=0x5500 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [pid 295] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f422c0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7f4615f412b0) = 18 [ 22.909598][ T20] usb 1-1: new high-speed USB device number 2 using dummy_hcd [pid 295] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f422c0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7f4615f412b0) = 18 [pid 295] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f422c0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7f4615f412b0) = 9 [pid 295] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f422c0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7f4615f412b0) = 92 [pid 295] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f422c0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7f4615f412b0) = 4 [ 23.269893][ T20] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [pid 295] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f422c0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7f4615f412b0) = 8 [pid 295] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f422c0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7f4615f412b0) = 8 [pid 295] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f422c0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7f4615f412b0) = 8 [pid 295] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f422c0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7f461601a5ec) = 0 [pid 295] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7f4615f412b0) = 0 [ 23.439757][ T20] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 23.448636][ T20] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 23.456719][ T20] usb 1-1: Product: syz [ 23.460850][ T20] usb 1-1: Manufacturer: syz [ 23.465246][ T20] usb 1-1: SerialNumber: syz [pid 295] futex(0x7f461601a4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 295] <... futex resumed>) = 1 [pid 294] futex(0x7f461601a4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] ioctl(-1, USB_RAW_IOCTL_EVENT_FETCH [pid 294] <... futex resumed>) = 0 [pid 295] <... ioctl resumed>, 0x7f4615f422d0) = -1 EBADF (Bad file descriptor) [pid 294] futex(0x7f461601a4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=350000000} [pid 295] futex(0x7f461601a4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 295] <... futex resumed>) = 0 [pid 294] futex(0x7f461601a4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 295] ioctl(3, USB_RAW_IOCTL_EP_WRITE [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7f461601a4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=350000000}) = -1 ETIMEDOUT (Connection timed out) [pid 294] futex(0x7f461601a4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 294] futex(0x7f461601a4bc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f4615f02000 [pid 294] mprotect(0x7f4615f03000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 294] clone(child_stack=0x7f4615f223f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[298], tls=0x7f4615f22700, child_tidptr=0x7f4615f229d0) = 298 [pid 294] futex(0x7f461601a4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f461601a4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=350000000}./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x7f4615f229e0, 24) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f212d0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP_DISABLE, 0) = -1 EINVAL (Invalid argument) [pid 298] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7f461601aa0c) = 10 [pid 298] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7f461601aa1c) = 11 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7f4615f202c0) = 0 [pid 298] futex(0x7f461601a4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7f461601a4b8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f461601a4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=350000000} [pid 298] <... futex resumed>) = 1 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f212d0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP_DISABLE, 0xa) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP_DISABLE, 0xb) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7f4615f202c0) = 0 [pid 298] futex(0x7f461601a4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = 1 [pid 294] futex(0x7f461601a4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH [pid 294] <... futex resumed>) = 0 [pid 298] <... ioctl resumed>, 0x7f4615f212d0) = 0 [pid 294] futex(0x7f461601a4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=350000000} [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7f4615f202c0) = 28 [pid 298] futex(0x7f461601a4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = 1 [pid 294] futex(0x7f461601a4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH [pid 294] <... futex resumed>) = 0 [pid 298] <... ioctl resumed>, 0x7f4615f212d0) = 0 [pid 294] futex(0x7f461601a4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=350000000} [pid 298] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7f461601aa0c) = 10 [pid 298] ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7f461601aa1c) = 11 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7f4615f202c0) = 0 [pid 298] futex(0x7f461601a4bc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = 1 [pid 294] futex(0x7f461601a4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH [pid 294] <... futex resumed>) = 0 [pid 298] <... ioctl resumed>, 0x7f4615f212d0) = 0 [pid 294] futex(0x7f461601a4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=350000000} [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7f4615f202c0) = 26 [ 24.949726][ T20] cdc_ncm 1-1:1.0: MAC-Address: 42:42:42:42:42:42 [ 24.955975][ T20] cdc_ncm 1-1:1.0: dwNtbInMaxSize=0 is too small. Using 2048 [ 24.963457][ T20] cdc_ncm 1-1:1.0: setting rx_max = 2048 [pid 298] futex(0x7f461601a4bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] futex(0x7f461601a4b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7f461601a4b8, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7f461601a4bc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=350000000} [pid 298] ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7f4615f212d0) = 0 [pid 298] ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7f4615f202c0) = 4 [ 25.184182][ T20] cdc_ncm 1-1:1.0 usb0: register 'cdc_ncm' at usb-dummy_hcd.0-1, CDC NCM, 42:42:42:42:42:42 [ 25.198858][ T30] audit: type=1400 audit(1683599487.535:70): avc: denied { read } for pid=138 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 [pid 295] <... ioctl resumed>, 0x7f4615f422f0) = 73 [ 25.309757][ T57] IPv6: ADDRCONF(NETDEV_CHANGE): usb0: link becomes ready [ 25.349744][ T57] skbuff: skb_over_panic: text:ffffffff831f755b len:184 put:172 head:ffff88811f1c6c00 data:ffff88811f1c6c00 tail:0xb8 end:0x80 dev: [ 25.363946][ T57] ------------[ cut here ]------------ [ 25.369347][ T57] kernel BUG at net/core/skbuff.c:113! [ 25.374688][ T57] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 25.380637][ T57] CPU: 0 PID: 57 Comm: kworker/0:2 Not tainted 5.15.106-syzkaller-00249-g19c0ed55a470 #0 [ 25.390261][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 25.400164][ T57] Workqueue: mld mld_ifc_work [ 25.404669][ T57] RIP: 0010:skb_over_panic+0x14c/0x150 [ 25.409965][ T57] Code: c0 c6 b1 85 48 c7 c6 b0 6f fd 85 48 8b 55 c0 8b 4d d4 44 8b 45 d0 4c 8b 4d c8 53 41 55 41 54 41 57 e8 ad 02 dd 00 48 83 c4 20 <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 10 89 [ 25.429581][ T57] RSP: 0018:ffffc900008d6f80 EFLAGS: 00010282 [ 25.435481][ T57] RAX: 0000000000000087 RBX: ffffffff85b1c740 RCX: 3b464bf4c86e1400 [ 25.443331][ T57] RDX: 0000000000000000 RSI: 0000000080000603 RDI: 0000000000000000 [ 25.451110][ T57] RBP: ffffc900008d6fc0 R08: ffffffff815748e5 R09: ffffed103ee065e8 [pid 295] futex(0x7f461601a4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 25.458913][ T57] R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000000b8 [ 25.466725][ T57] R13: 0000000000000080 R14: dffffc0000000000 R15: ffff88811f1c6c00 [ 25.474536][ T57] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 25.483304][ T57] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.489824][ T57] CR2: 000055d06720e000 CR3: 0000000115e8d000 CR4: 00000000003506b0 [ 25.497635][ T57] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.505448][ T57] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.513297][ T57] Call Trace: [ 25.516381][ T57] [ 25.519165][ T57] ? cdc_ncm_fill_tx_frame+0x11ab/0x3da0 [ 25.524628][ T57] ? cdc_ncm_fill_tx_frame+0x11ab/0x3da0 [ 25.530094][ T57] skb_put+0x151/0x210 [ 25.534001][ T57] cdc_ncm_fill_tx_frame+0x11ab/0x3da0 [ 25.539302][ T57] cdc_ncm_tx_fixup+0xa3/0x100 [ 25.543899][ T57] usbnet_start_xmit+0x118/0x1b60 [ 25.548757][ T57] ? netif_skb_features+0x7b9/0xae0 [ 25.553791][ T57] ? validate_xmit_skb+0x6a2/0xce0 [ 25.558749][ T57] dev_hard_start_xmit+0x228/0x620 [ 25.563798][ T57] sch_direct_xmit+0x298/0x9b0 [ 25.568396][ T57] ? __kasan_check_write+0x14/0x20 [ 25.573342][ T57] ? _raw_spin_trylock+0xcd/0x1a0 [ 25.578201][ T57] ? stp_proto_unregister+0x200/0x200 [ 25.583413][ T57] ? mld_sendpack+0x662/0xbb0 [ 25.587926][ T57] ? process_one_work+0x6bb/0xc10 [ 25.592786][ T57] ? netdev_core_pick_tx+0xce/0x300 [ 25.597822][ T57] __dev_queue_xmit+0x161e/0x2e70 [ 25.602680][ T57] ? dev_queue_xmit+0x20/0x20 [ 25.607194][ T57] ? __kasan_check_write+0x14/0x20 [ 25.612138][ T57] ? _raw_write_lock_bh+0xa4/0x170 [ 25.617091][ T57] ? _raw_write_lock_irq+0x170/0x170 [ 25.622217][ T57] ? eth_header+0x120/0x200 [ 25.626550][ T57] ? memcpy+0x56/0x70 [ 25.630381][ T57] dev_queue_xmit+0x17/0x20 [ 25.634710][ T57] neigh_resolve_output+0x6b8/0x760 [ 25.639743][ T57] ip6_finish_output2+0xf95/0x16e0 [ 25.644700][ T57] ? __ip6_finish_output+0x850/0x850 [ 25.649907][ T57] __ip6_finish_output+0x678/0x850 [ 25.654864][ T57] ip6_finish_output+0x31/0x210 [ 25.659531][ T57] ? ip6_output+0x486/0x4d0 [ 25.663871][ T57] ip6_output+0x1f7/0x4d0 [ 25.668382][ T57] ? ac6_seq_show+0xf0/0xf0 [ 25.672725][ T57] ? xfrm_lookup+0x38/0x50 [ 25.676977][ T57] ? ip6_output+0x4d0/0x4d0 [ 25.681313][ T57] ? icmp6_dst_alloc+0x4f0/0x560 [ 25.686090][ T57] mld_sendpack+0x662/0xbb0 [ 25.690432][ T57] ? add_grec+0x13a0/0x13a0 [ 25.694772][ T57] ? igmp6_send+0x10a0/0x10a0 [ 25.699289][ T57] ? add_grec+0x112/0x13a0 [ 25.703538][ T57] ? finish_task_switch+0x167/0x7b0 [ 25.708569][ T57] mld_ifc_work+0x7dc/0xbb0 [ 25.712910][ T57] ? __kasan_check_read+0x11/0x20 [ 25.717767][ T57] ? strscpy+0x9c/0x260 [ 25.721771][ T57] process_one_work+0x6bb/0xc10 [ 25.726451][ T57] worker_thread+0xad5/0x12a0 [ 25.730983][ T57] ? _raw_spin_lock+0x1b0/0x1b0 [ 25.735652][ T57] kthread+0x421/0x510 [ 25.739565][ T57] ? worker_clr_flags+0x180/0x180 [ 25.744414][ T57] ? kthread_blkcg+0xd0/0xd0 [ 25.748844][ T57] ret_from_fork+0x1f/0x30 [ 25.753104][ T57] [ 25.755966][ T57] Modules linked in: [pid 295] futex(0x7f461601a4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 298] futex(0x7f461601a4bc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] futex(0x7f461601a4b8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] <... futex resumed>) = 0 [pid 294] exit_group(0) = ? [pid 298] <... futex resumed>) = ? [pid 295] <... futex resumed>) = ? [pid 298] +++ exited with 0 +++ [pid 295] +++ exited with 0 +++ +++ exited with 0 +++ [ 25.759762][ T57] -