./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor953715959 <...> DUID 00:04:53:46:a9:9d:03:7a:46:b2:48:ff:4a:ea:3f:46:f2:43 forked to background, child pid 4692 [ 48.970724][ T4693] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.004477][ T4693] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.167' (ECDSA) to the list of known hosts. execve("./syz-executor953715959", ["./syz-executor953715959"], 0x7fff48467660 /* 10 vars */) = 0 brk(NULL) = 0x555556c7d000 brk(0x555556c7dc40) = 0x555556c7dc40 arch_prctl(ARCH_SET_FS, 0x555556c7d300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor953715959", 4096) = 27 brk(0x555556c9ec40) = 0x555556c9ec40 brk(0x555556c9f000) = 0x555556c9f000 mprotect(0x7f6e02e9f000, 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=0x555556c7d5d0) = 5028 ./strace-static-x86_64: Process 5028 attached [pid 5028] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5028] setsid() = 1 [pid 5028] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5028] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5028] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5028] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5028] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5028] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5028] unshare(CLONE_NEWNS) = 0 [pid 5028] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5028] unshare(CLONE_NEWIPC) = 0 [pid 5028] unshare(CLONE_NEWCGROUP) = 0 [pid 5028] unshare(CLONE_NEWUTS) = 0 [pid 5028] unshare(CLONE_SYSVSEM) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "16777216", 8) = 8 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "536870912", 9) = 9 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1024", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "8192", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1024", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1024", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5028] close(3) = 0 [pid 5028] getpid() = 1 [pid 5028] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 48 b8 00 00 00 00 00 fc ff df 48 8b 14 24 48 c1 ea 03 0f b6 [ 77.492163][ T5033] RSP: 0018:ffffc90003a8f338 EFLAGS: 00010286 [ 77.498389][ T5033] RAX: 0000000000000000 RBX: ffff888072f54c80 RCX: 0000000000000000 [ 77.506502][ T5033] RDX: ffff888027d71dc0 RSI: ffffffff814c65a7 RDI: 0000000000000001 [ 77.514548][ T5033] RBP: ffff88807d730e20 R08: 0000000000000001 R09: 0000000000000000 [ 77.522550][ T5033] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000a00 [ 77.530620][ T5033] R13: ffff888072f56898 R14: ffff888072f54000 R15: 0000000000000000 [ 77.538696][ T5033] FS: 0000555556c7d300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 77.547763][ T5033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.554419][ T5033] CR2: 0000000020000200 CR3: 00000000721df000 CR4: 00000000003506f0 [ 77.562447][ T5033] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.570549][ T5033] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.578622][ T5033] Call Trace: [ 77.581919][ T5033] [ 77.584960][ T5033] ? __warn+0xe6/0x390 [ 77.589094][ T5033] ? preempt_schedule_notrace+0x5f/0xd0 [ 77.594752][ T5033] ? ieee80211_bss_info_change_notify+0x305/0x9c0 [ 77.601231][ T5033] ? report_bug+0x2da/0x500 [ 77.605876][ T5033] ? handle_bug+0x3c/0x70 [ 77.610255][ T5033] ? exc_invalid_op+0x18/0x50 [ 77.615019][ T5033] ? asm_exc_invalid_op+0x1a/0x20 [ 77.620116][ T5033] ? __warn_printk+0x187/0x310 [ 77.625006][ T5033] ? ieee80211_bss_info_change_notify+0x305/0x9c0 [ 77.631488][ T5033] ? ieee80211_bss_info_change_notify+0x305/0x9c0 [ 77.638025][ T5033] ieee80211_ibss_disconnect+0x408/0x9c0 [ 77.643768][ T5033] ieee80211_ibss_leave+0x16/0x160 [ 77.648925][ T5033] __cfg80211_leave_ibss+0x1a1/0x5c0 [ 77.654329][ T5033] cfg80211_leave_ibss+0x58/0x80 [ 77.659340][ T5033] cfg80211_change_iface+0x45d/0xe00 [ 77.664781][ T5033] nl80211_set_interface+0x695/0x960 [ 77.670128][ T5033] ? nl80211_notify_iface+0x190/0x190 [ 77.675615][ T5033] ? nl80211_pre_doit+0x120/0xab0 [ 77.680702][ T5033] genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 [ 77.687000][ T5033] ? genl_start+0x660/0x660 [ 77.691593][ T5033] ? ns_capable+0xe0/0x110 [ 77.696148][ T5033] genl_rcv_msg+0x4ff/0x7e0 [ 77.700725][ T5033] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 77.707217][ T5033] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 77.713264][ T5033] ? validate_beacon_tx_rate+0x8d0/0x8d0 [ 77.719029][ T5033] ? nl80211_notify_iface+0x190/0x190 [ 77.724564][ T5033] ? cfg80211_vendor_cmd_reply+0x2f0/0x2f0 [ 77.730461][ T5033] netlink_rcv_skb+0x165/0x440 [ 77.735350][ T5033] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 77.741754][ T5033] ? netlink_ack+0x1360/0x1360 [ 77.746694][ T5033] ? down_write_killable+0x250/0x250 [ 77.752059][ T5033] ? netlink_deliver_tap+0x1b1/0xcf0 [ 77.757459][ T5033] genl_rcv+0x28/0x40 [ 77.761487][ T5033] netlink_unicast+0x547/0x7f0 [ 77.766365][ T5033] ? netlink_attachskb+0x890/0x890 [ 77.771533][ T5033] ? __virt_addr_valid+0x61/0x2e0 [ 77.776671][ T5033] ? __phys_addr_symbol+0x30/0x70 [ 77.781745][ T5033] ? __check_object_size+0x323/0x730 [ 77.787146][ T5033] netlink_sendmsg+0x925/0xe30 [ 77.791969][ T5033] ? netlink_unicast+0x7f0/0x7f0 [ 77.797011][ T5033] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 77.802369][ T5033] ? netlink_unicast+0x7f0/0x7f0 [ 77.807472][ T5033] sock_sendmsg+0xde/0x190 [ 77.811960][ T5033] ____sys_sendmsg+0x739/0x920 [ 77.816856][ T5033] ? copy_msghdr_from_user+0xfc/0x150 [ 77.822277][ T5033] ? kernel_sendmsg+0x50/0x50 [ 77.827080][ T5033] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 77.833130][ T5033] ___sys_sendmsg+0x110/0x1b0 [ 77.837919][ T5033] ? do_recvmmsg+0x6f0/0x6f0 [ 77.842588][ T5033] ? lock_sync+0x190/0x190 [ 77.847162][ T5033] ? ptrace_stop.part.0+0x4a3/0x8e0 [ 77.852424][ T5033] ? do_raw_spin_lock+0x124/0x2b0 [ 77.857584][ T5033] ? spin_bug+0x1c0/0x1c0 [ 77.861971][ T5033] ? _raw_spin_lock_irq+0x45/0x50 [ 77.867155][ T5033] ? __fget_light+0x201/0x270 [ 77.871917][ T5033] __sys_sendmsg+0xf7/0x1c0 [ 77.876552][ T5033] ? __sys_sendmsg_sock+0x40/0x40 [ 77.881624][ T5033] ? lock_downgrade+0x690/0x690 [ 77.886601][ T5033] ? lockdep_hardirqs_on+0x7d/0x100 [ 77.891878][ T5033] ? _raw_spin_unlock_irq+0x2e/0x50 [ 77.897206][ T5033] ? ptrace_notify+0xfe/0x140 [ 77.901935][ T5033] do_syscall_64+0x39/0xb0 [ 77.906548][ T5033] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 77.912509][ T5033] RIP: 0033:0x7f6e02e2b349 [ 77.917031][ T5033] 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 [ 77.936794][ T5033] RSP: 002b:00007ffc61ef4a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.945314][ T5033] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6e02e2b349 [ 77.953322][ T5033] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 77.961390][ T5033] RBP: 0000000000000000 R08: 00007ffc61ef4a87 R09: 00007ffc61ef4a87 [ 77.969471][ T5033] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000012de7 [ 77.977566][ T5033] R13: 00007ffc61ef4ad0 R14: 00007ffc61ef4ac0 R15: 00007ffc61ef4a8c [ 77.985651][ T5033] [ 77.988715][ T5033] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 77.996023][ T5033] CPU: 0 PID: 5033 Comm: syz-executor953 Not tainted 6.4.0-next-20230630-syzkaller #0 [ 78.005591][ T5033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 78.015662][ T5033] Call Trace: [ 78.018977][ T5033] [ 78.021926][ T5033] dump_stack_lvl+0xd9/0x150 [ 78.026552][ T5033] panic+0x686/0x730 [ 78.030479][ T5033] ? panic_smp_self_stop+0xa0/0xa0 [ 78.035624][ T5033] ? show_trace_log_lvl+0x284/0x390 [ 78.040872][ T5033] ? ieee80211_bss_info_change_notify+0x305/0x9c0 [ 78.047318][ T5033] check_panic_on_warn+0xb1/0xc0 [ 78.052291][ T5033] __warn+0xf2/0x390 [ 78.056216][ T5033] ? preempt_schedule_notrace+0x5f/0xd0 [ 78.061798][ T5033] ? ieee80211_bss_info_change_notify+0x305/0x9c0 [ 78.068246][ T5033] report_bug+0x2da/0x500 [ 78.072609][ T5033] handle_bug+0x3c/0x70 [ 78.076793][ T5033] exc_invalid_op+0x18/0x50 [ 78.081329][ T5033] asm_exc_invalid_op+0x1a/0x20 [ 78.086206][ T5033] RIP: 0010:ieee80211_bss_info_change_notify+0x305/0x9c0 [ 78.093261][ T5033] Code: f8 08 00 00 4d 85 f6 0f 84 c7 05 00 00 e8 b3 c4 f0 f7 e8 ae c4 f0 f7 8b 54 24 08 4c 89 f6 48 c7 c7 a0 25 a1 8b e8 0b 15 b8 f7 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 48 8b 14 24 48 c1 ea 03 0f b6 [ 78.112894][ T5033] RSP: 0018:ffffc90003a8f338 EFLAGS: 00010286 [ 78.118987][ T5033] RAX: 0000000000000000 RBX: ffff888072f54c80 RCX: 0000000000000000 [ 78.126990][ T5033] RDX: ffff888027d71dc0 RSI: ffffffff814c65a7 RDI: 0000000000000001 [ 78.135000][ T5033] RBP: ffff88807d730e20 R08: 0000000000000001 R09: 0000000000000000 [ 78.143020][ T5033] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000a00 [ 78.151058][ T5033] R13: ffff888072f56898 R14: ffff888072f54000 R15: 0000000000000000 [ 78.159082][ T5033] ? __warn_printk+0x187/0x310 [ 78.163898][ T5033] ? ieee80211_bss_info_change_notify+0x305/0x9c0 [ 78.170460][ T5033] ieee80211_ibss_disconnect+0x408/0x9c0 [ 78.176161][ T5033] ieee80211_ibss_leave+0x16/0x160 [ 78.181335][ T5033] __cfg80211_leave_ibss+0x1a1/0x5c0 [ 78.186676][ T5033] cfg80211_leave_ibss+0x58/0x80 [ 78.191666][ T5033] cfg80211_change_iface+0x45d/0xe00 [ 78.197013][ T5033] nl80211_set_interface+0x695/0x960 [ 78.202362][ T5033] ? nl80211_notify_iface+0x190/0x190 [ 78.207798][ T5033] ? nl80211_pre_doit+0x120/0xab0 [ 78.212878][ T5033] genl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 [ 78.219078][ T5033] ? genl_start+0x660/0x660 [ 78.223629][ T5033] ? ns_capable+0xe0/0x110 [ 78.228170][ T5033] genl_rcv_msg+0x4ff/0x7e0 [ 78.232746][ T5033] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 78.239124][ T5033] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 78.245157][ T5033] ? validate_beacon_tx_rate+0x8d0/0x8d0 [ 78.250847][ T5033] ? nl80211_notify_iface+0x190/0x190 [ 78.256252][ T5033] ? cfg80211_vendor_cmd_reply+0x2f0/0x2f0 [ 78.262106][ T5033] netlink_rcv_skb+0x165/0x440 [ 78.266925][ T5033] ? genl_family_rcv_msg_doit.isra.0+0x2d0/0x2d0 [ 78.273298][ T5033] ? netlink_ack+0x1360/0x1360 [ 78.278103][ T5033] ? down_write_killable+0x250/0x250 [ 78.283431][ T5033] ? netlink_deliver_tap+0x1b1/0xcf0 [ 78.288760][ T5033] genl_rcv+0x28/0x40 [ 78.292798][ T5033] netlink_unicast+0x547/0x7f0 [ 78.297599][ T5033] ? netlink_attachskb+0x890/0x890 [ 78.302740][ T5033] ? __virt_addr_valid+0x61/0x2e0 [ 78.307797][ T5033] ? __phys_addr_symbol+0x30/0x70 [ 78.312847][ T5033] ? __check_object_size+0x323/0x730 [ 78.318165][ T5033] netlink_sendmsg+0x925/0xe30 [ 78.322962][ T5033] ? netlink_unicast+0x7f0/0x7f0 [ 78.327936][ T5033] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 78.333261][ T5033] ? netlink_unicast+0x7f0/0x7f0 [ 78.338245][ T5033] sock_sendmsg+0xde/0x190 [ 78.342728][ T5033] ____sys_sendmsg+0x739/0x920 [ 78.347552][ T5033] ? copy_msghdr_from_user+0xfc/0x150 [ 78.352963][ T5033] ? kernel_sendmsg+0x50/0x50 [ 78.357693][ T5033] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 78.363733][ T5033] ___sys_sendmsg+0x110/0x1b0 [ 78.368464][ T5033] ? do_recvmmsg+0x6f0/0x6f0 [ 78.373112][ T5033] ? lock_sync+0x190/0x190 [ 78.377570][ T5033] ? ptrace_stop.part.0+0x4a3/0x8e0 [ 78.382801][ T5033] ? do_raw_spin_lock+0x124/0x2b0 [ 78.387871][ T5033] ? spin_bug+0x1c0/0x1c0 [ 78.392256][ T5033] ? _raw_spin_lock_irq+0x45/0x50 [ 78.397327][ T5033] ? __fget_light+0x201/0x270 [ 78.402053][ T5033] __sys_sendmsg+0xf7/0x1c0 [ 78.406597][ T5033] ? __sys_sendmsg_sock+0x40/0x40 [ 78.411650][ T5033] ? lock_downgrade+0x690/0x690 [ 78.416547][ T5033] ? lockdep_hardirqs_on+0x7d/0x100 [ 78.421779][ T5033] ? _raw_spin_unlock_irq+0x2e/0x50 [ 78.427024][ T5033] ? ptrace_notify+0xfe/0x140 [ 78.431738][ T5033] do_syscall_64+0x39/0xb0 [ 78.436183][ T5033] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 78.442115][ T5033] RIP: 0033:0x7f6e02e2b349 [ 78.446554][ T5033] 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 [ 78.466180][ T5033] RSP: 002b:00007ffc61ef4a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.474616][ T5033] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f6e02e2b349 [ 78.482602][ T5033] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 [ 78.490590][ T5033] RBP: 0000000000000000 R08: 00007ffc61ef4a87 R09: 00007ffc61ef4a87 [ 78.498581][ T5033] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000012de7 [ 78.506570][ T5033] R13: 00007ffc61ef4ad0 R14: 00007ffc61ef4ac0 R15: 00007ffc61ef4a8c [ 78.514578][ T5033] [ 78.517924][ T5033] Kernel Offset: disabled [ 78.522381][ T5033] Rebooting in 86400 seconds..