./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1525695183 <...> Warning: Permanently added '10.128.15.208' (ECDSA) to the list of known hosts. execve("./syz-executor1525695183", ["./syz-executor1525695183"], 0x7ffda16f7cb0 /* 10 vars */) = 0 brk(NULL) = 0x55555720f000 brk(0x55555720fc40) = 0x55555720fc40 arch_prctl(ARCH_SET_FS, 0x55555720f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1525695183", 4096) = 28 brk(0x555557230c40) = 0x555557230c40 brk(0x555557231000) = 0x555557231000 mprotect(0x7f97f3bd9000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555720f5d0) = 3482 ./strace-static-x86_64: Process 3482 attached [pid 3482] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3482] setsid() = 1 [pid 3482] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3482] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3482] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3482] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3482] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3482] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3482] unshare(CLONE_NEWNS) = 0 [pid 3482] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3482] unshare(CLONE_NEWIPC) = 0 [pid 3482] unshare(CLONE_NEWCGROUP) = 0 [pid 3482] unshare(CLONE_NEWUTS) = 0 [pid 3482] unshare(CLONE_SYSVSEM) = 0 [pid 3482] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3482] write(3, "16777216", 8) = 8 [pid 3482] close(3) = 0 [pid 3482] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3482] write(3, "536870912", 9) = 9 [pid 3482] close(3) = 0 [pid 3482] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3482] write(3, "1024", 4) = 4 [pid 3482] close(3) = 0 [pid 3482] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3482] write(3, "8192", 4) = 4 [pid 3482] close(3) = 0 [pid 3482] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3482] write(3, "1024", 4) = 4 [pid 3482] close(3) = 0 [pid 3482] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3482] write(3, "1024", 4) = 4 [pid 3482] close(3) = 0 [pid 3482] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3482] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3482] close(3) = 0 [pid 3482] getpid() = 1 [pid 3482] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 135.544323][ T3509] dump_stack_lvl+0x1c8/0x256 [ 135.549127][ T3509] dump_stack+0x1a/0x21 [ 135.553429][ T3509] panic+0x4d3/0xc64 [ 135.557457][ T3509] ? add_taint+0x104/0x1a0 [ 135.561997][ T3509] kmsan_report+0x2ca/0x2d0 [ 135.566669][ T3509] ? is_module_text_address+0x3e5/0x670 [ 135.572371][ T3509] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 135.578356][ T3509] ? kmsan_internal_check_memory+0x472/0x530 [ 135.584501][ T3509] ? kmsan_handle_skb+0x2a/0x60 [ 135.589477][ T3509] ? xmit_one+0x100/0x5f0 [ 135.593947][ T3509] ? dev_hard_start_xmit+0xe5/0x370 [ 135.599300][ T3509] ? __dev_queue_xmit+0x1dec/0x31f0 [ 135.604639][ T3509] ? __netlink_deliver_tap+0x7f6/0xca0 [ 135.610182][ T3509] ? netlink_unicast+0x10fb/0x1270 [ 135.615414][ T3509] ? netlink_sendmsg+0x127d/0x1430 [ 135.620624][ T3509] ? ____sys_sendmsg+0xa8e/0xe70 [ 135.625795][ T3509] ? ___sys_sendmsg+0x2a1/0x3f0 [ 135.630768][ T3509] ? __x64_sys_sendmsg+0x367/0x540 [ 135.635972][ T3509] ? do_syscall_64+0x3d/0xb0 [ 135.640663][ T3509] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.646885][ T3509] ? kernel_text_address+0x11d/0x1a0 [ 135.652376][ T3509] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 135.658369][ T3509] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 135.664363][ T3509] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 135.670345][ T3509] ? kmsan_metadata_is_contiguous+0xda/0x1e0 [ 135.676502][ T3509] kmsan_internal_check_memory+0x472/0x530 [ 135.682450][ T3509] kmsan_handle_skb+0x2a/0x60 [ 135.687259][ T3509] xmit_one+0x100/0x5f0 [ 135.691551][ T3509] dev_hard_start_xmit+0xe5/0x370 [ 135.696731][ T3509] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 135.702664][ T3509] __dev_queue_xmit+0x1dec/0x31f0 [ 135.707841][ T3509] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 135.713836][ T3509] __netlink_deliver_tap+0x7f6/0xca0 [ 135.719313][ T3509] netlink_unicast+0x10fb/0x1270 [ 135.724432][ T3509] netlink_sendmsg+0x127d/0x1430 [ 135.729495][ T3509] ? netlink_getsockopt+0x13b0/0x13b0 [ 135.734980][ T3509] ____sys_sendmsg+0xa8e/0xe70 [ 135.739888][ T3509] ___sys_sendmsg+0x2a1/0x3f0 [ 135.744660][ T3509] ? __x64_sys_sendmsg+0xa5/0x540 [ 135.749852][ T3509] ? __stack_depot_save+0x21/0x4b0 [ 135.755121][ T3509] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 135.761038][ T3509] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 135.766968][ T3509] __x64_sys_sendmsg+0x367/0x540 [ 135.772155][ T3509] do_syscall_64+0x3d/0xb0 [ 135.776716][ T3509] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 135.782711][ T3509] RIP: 0033:0x7f97f3b65b09 [ 135.787207][ T3509] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 [ 135.806982][ T3509] RSP: 002b:00007ffe24381b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 135.815534][ T3509] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f97f3b65b09 [ 135.823575][ T3509] RDX: 0000000000000000 RSI: 000000002000d300 RDI: 0000000000000003 [ 135.831612][ T3509] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 135.839704][ T3509] R10: 00007ffe24381610 R11: 0000000000000246 R12: 00007ffe24381bb0 [ 135.847810][ T3509] R13: 00000000000f4240 R14: 0000000000021054 R15: 00007ffe24381ba4 [ 135.855929][ T3509] [ 135.859210][ T3509] Kernel Offset: disabled [ 135.863588][ T3509] Rebooting in 86400 seconds..