./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1500127063 <...> Warning: Permanently added '10.128.0.196' (ECDSA) to the list of known hosts. execve("./syz-executor1500127063", ["./syz-executor1500127063"], 0x7ffdb64e4d80 /* 10 vars */) = 0 brk(NULL) = 0x555557351000 brk(0x555557351c40) = 0x555557351c40 arch_prctl(ARCH_SET_FS, 0x555557351300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1500127063", 4096) = 28 brk(0x555557372c40) = 0x555557372c40 brk(0x555557373000) = 0x555557373000 mprotect(0x7f7afb08d000, 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./strace-static-x86_64: Process 5080 attached , child_tidptr=0x5555573515d0) = 5080 [pid 5080] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5080] setsid() = 1 [pid 5080] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5080] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5080] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5080] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5080] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5080] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5080] unshare(CLONE_NEWNS) = 0 [pid 5080] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5080] unshare(CLONE_NEWIPC) = 0 [pid 5080] unshare(CLONE_NEWCGROUP) = 0 [pid 5080] unshare(CLONE_NEWUTS) = 0 [pid 5080] unshare(CLONE_SYSVSEM) = 0 [pid 5080] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "16777216", 8) = 8 [pid 5080] close(3) = 0 [pid 5080] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "536870912", 9) = 9 [pid 5080] close(3) = 0 [pid 5080] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "1024", 4) = 4 [pid 5080] close(3) = 0 [pid 5080] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "8192", 4) = 4 [pid 5080] close(3) = 0 [pid 5080] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "1024", 4) = 4 [pid 5080] close(3) = 0 [pid 5080] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "1024", 4) = 4 [pid 5080] close(3) = 0 [pid 5080] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5080] close(3) = 0 [pid 5080] getpid() = 1 [pid 5080] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<q.lock){+.-.}-{2:2}, at: dev_reset_queue+0x8a/0x130 [ 61.868280][ T5091] Modules linked in: [ 61.872397][ T5091] Preemption disabled at: [ 61.872404][ T5091] [<0000000000000000>] 0x0 [ 61.881577][ T5091] Kernel panic - not syncing: scheduling while atomic: panic_on_warn set ... [ 61.890330][ T5091] CPU: 1 PID: 5091 Comm: syz-executor150 Not tainted 6.2.0-rc3-syzkaller-00219-g010a74f52203 #0 [ 61.900736][ T5091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 61.910799][ T5091] Call Trace: [ 61.914074][ T5091] [ 61.917001][ T5091] dump_stack_lvl+0xd1/0x138 [ 61.921599][ T5091] panic+0x2cc/0x626 [ 61.925491][ T5091] ? panic_print_sys_info.part.0+0x110/0x110 [ 61.931469][ T5091] ? record_print_text.cold+0x16/0x16 [ 61.936834][ T5091] ? print_modules+0x19d/0x1d7 [ 61.941602][ T5091] ? msleep+0x67/0x100 [ 61.945678][ T5091] check_panic_on_warn.cold+0x19/0x35 [ 61.951052][ T5091] __schedule_bug.cold+0xd5/0xfe [ 61.955980][ T5091] __schedule+0x34e4/0x5450 [ 61.960486][ T5091] ? _raw_spin_unlock_irqrestore+0x3c/0x70 [ 61.966292][ T5091] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 61.972115][ T5091] ? __mod_timer+0x8d9/0xe80 [ 61.976702][ T5091] ? io_schedule_timeout+0x150/0x150 [ 61.982166][ T5091] ? enqueue_timer+0x660/0x660 [ 61.986930][ T5091] ? debug_object_free+0x360/0x360 [ 61.992050][ T5091] ? msleep+0x67/0x100 [ 61.996126][ T5091] schedule+0xde/0x1b0 [ 62.000194][ T5091] schedule_timeout+0x14e/0x2a0 [ 62.005132][ T5091] ? usleep_range_state+0x1b0/0x1b0 [ 62.010336][ T5091] ? collect_expired_timers+0x200/0x200 [ 62.015885][ T5091] ? _raw_spin_unlock_irqrestore+0x3c/0x70 [ 62.021689][ T5091] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 62.027499][ T5091] msleep+0xb6/0x100 [ 62.031394][ T5091] taprio_reset+0x93/0x270 [ 62.035814][ T5091] ? taprio_destroy+0x600/0x600 [ 62.040666][ T5091] qdisc_reset+0x10c/0x770 [ 62.045105][ T5091] dev_reset_queue+0x92/0x130 [ 62.049815][ T5091] dev_deactivate_many+0x36d/0x9f0 [ 62.054940][ T5091] dev_deactivate+0xed/0x1b0 [ 62.059539][ T5091] ? dev_deactivate_many+0x9f0/0x9f0 [ 62.064821][ T5091] ? rtnl_is_locked+0x15/0x20 [ 62.069508][ T5091] qdisc_graft+0xe4a/0x1380 [ 62.074032][ T5091] ? qdisc_create+0x659/0x1170 [ 62.078795][ T5091] ? tc_dump_qdisc+0x740/0x740 [ 62.083561][ T5091] ? tc_get_qdisc+0xb20/0xb20 [ 62.088242][ T5091] tc_modify_qdisc+0xb6b/0x19a0 [ 62.093102][ T5091] ? qdisc_create+0x1170/0x1170 [ 62.097954][ T5091] ? rtnetlink_rcv_msg+0x3e9/0xca0 [ 62.103075][ T5091] ? qdisc_create+0x1170/0x1170 [ 62.107933][ T5091] rtnetlink_rcv_msg+0x43e/0xca0 [ 62.112869][ T5091] ? rtnl_getlink+0xae0/0xae0 [ 62.117543][ T5091] ? __dev_queue_xmit+0xb54/0x3ba0 [ 62.122661][ T5091] netlink_rcv_skb+0x165/0x440 [ 62.127425][ T5091] ? rtnl_getlink+0xae0/0xae0 [ 62.132127][ T5091] ? netlink_ack+0x1370/0x1370 [ 62.136907][ T5091] ? netlink_deliver_tap+0x1b1/0xc50 [ 62.142206][ T5091] netlink_unicast+0x547/0x7f0 [ 62.146975][ T5091] ? netlink_attachskb+0x890/0x890 [ 62.152086][ T5091] ? __virt_addr_valid+0x61/0x2e0 [ 62.157112][ T5091] ? __phys_addr_symbol+0x30/0x70 [ 62.162228][ T5091] ? __check_object_size+0x2e2/0x5a0 [ 62.167514][ T5091] netlink_sendmsg+0x91b/0xe10 [ 62.172288][ T5091] ? netlink_unicast+0x7f0/0x7f0 [ 62.177415][ T5091] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 62.182723][ T5091] ? netlink_unicast+0x7f0/0x7f0 [ 62.187665][ T5091] sock_sendmsg+0xd3/0x120 [ 62.192078][ T5091] ____sys_sendmsg+0x712/0x8c0 [ 62.196842][ T5091] ? copy_msghdr_from_user+0xfc/0x150 [ 62.202235][ T5091] ? kernel_sendmsg+0x50/0x50 [ 62.206916][ T5091] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 62.212898][ T5091] ___sys_sendmsg+0x110/0x1b0 [ 62.217599][ T5091] ? do_recvmmsg+0x6e0/0x6e0 [ 62.222308][ T5091] ? lock_release+0x810/0x810 [ 62.226985][ T5091] ? ptrace_stop.part.0+0x4a3/0x8e0 [ 62.232195][ T5091] ? do_raw_spin_lock+0x124/0x2b0 [ 62.237231][ T5091] ? rwlock_bug.part.0+0x90/0x90 [ 62.242341][ T5091] ? _raw_spin_lock_irq+0x45/0x50 [ 62.247367][ T5091] ? __fget_light+0x20a/0x270 [ 62.252041][ T5091] __sys_sendmsg+0xf7/0x1c0 [ 62.256545][ T5091] ? __sys_sendmsg_sock+0x40/0x40 [ 62.261569][ T5091] ? lock_downgrade+0x6e0/0x6e0 [ 62.266440][ T5091] ? lockdep_hardirqs_on+0x7d/0x100 [ 62.271636][ T5091] ? _raw_spin_unlock_irq+0x2e/0x50 [ 62.276850][ T5091] ? ptrace_notify+0xfe/0x140 [ 62.281568][ T5091] do_syscall_64+0x39/0xb0 [ 62.286003][ T5091] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.291891][ T5091] RIP: 0033:0x7f7afb018ee9 [ 62.296297][ T5091] 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 [ 62.316201][ T5091] RSP: 002b:00007ffd5329a8c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 62.324635][ T5091] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7afb018ee9 [ 62.332659][ T5091] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 62.340631][ T5091] RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d [ 62.348594][ T5091] R10: 000000000000000d R11: 0000000000000246 R12: 00007ffd5329a8e0 [ 62.356558][ T5091] R13: 00000000000f4240 R14: 000000000000f13d R15: 00007ffd5329a8d4 [ 62.364555][ T5091] [ 62.367744][ T5091] Kernel Offset: disabled [ 62.372156][ T5091] Rebooting in 86400 seconds..