./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3744743189 <...> [ 102.316889][ T8] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.103' (ED25519) to the list of known hosts. [ 107.009835][ T27] audit: type=1400 audit(1697204892.893:83): avc: denied { append } for pid=4465 comm="syslogd" name="messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 107.032188][ T27] audit: type=1400 audit(1697204892.893:84): avc: denied { open } for pid=4465 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 107.055804][ T27] audit: type=1400 audit(1697204892.893:85): avc: denied { getattr } for pid=4465 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 107.083896][ T27] audit: type=1400 audit(1697204892.963:86): avc: denied { write } for pid=5030 comm="sh" path="pipe:[3946]" dev="pipefs" ino=3946 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 execve("./syz-executor3744743189", ["./syz-executor3744743189"], 0x7fffc284eee0 /* 10 vars */) = 0 brk(NULL) = 0x555556919000 brk(0x555556919d00) = 0x555556919d00 arch_prctl(ARCH_SET_FS, 0x555556919380) = 0 set_tid_address(0x555556919650) = 5033 set_robust_list(0x555556919660, 24) = 0 rseq(0x555556919ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3744743189", 4096) = 28 getrandom("\x70\xc9\xb2\xc8\xfb\x31\xc2\x77", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556919d00 brk(0x55555693ad00) = 0x55555693ad00 brk(0x55555693b000) = 0x55555693b000 mprotect(0x7f934a767000, 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=0x555556919650) = 5034 ./strace-static-x86_64: Process 5034 attached [pid 5034] set_robust_list(0x555556919660, 24) = 0 [pid 5034] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5034] setsid() = 1 [pid 5034] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5034] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5034] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5034] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5034] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5034] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5034] unshare(CLONE_NEWNS) = 0 [pid 5034] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5034] unshare(CLONE_NEWIPC) = 0 [pid 5034] unshare(CLONE_NEWCGROUP) = 0 [pid 5034] unshare(CLONE_NEWUTS) = 0 [pid 5034] unshare(CLONE_SYSVSEM) = 0 [pid 5034] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5034] write(3, "16777216", 8) = 8 [pid 5034] close(3) = 0 [pid 5034] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [ 107.210922][ T27] audit: type=1400 audit(1697204893.093:87): avc: denied { execmem } for pid=5033 comm="syz-executor374" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 107.231597][ T27] audit: type=1400 audit(1697204893.103:88): avc: denied { mounton } for pid=5034 comm="syz-executor374" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [pid 5034] write(3, "536870912", 9) = 9 [pid 5034] close(3) = 0 [pid 5034] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5034] write(3, "1024", 4) = 4 [pid 5034] close(3) = 0 [pid 5034] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5034] write(3, "8192", 4) = 4 [pid 5034] close(3) = 0 [pid 5034] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5034] write(3, "1024", 4) = 4 [pid 5034] close(3) = 0 [pid 5034] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5034] write(3, "1024", 4) = 4 [pid 5034] close(3) = 0 [pid 5034] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5034] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5034] close(3) = 0 [pid 5034] getpid() = 1 [pid 5034] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e8 30 e1 d6 f7 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 [ 107.828610][ T5036] RSP: 0018:ffffc9000344f2f8 EFLAGS: 00010286 [ 107.834776][ T5036] RAX: 0000000000000000 RBX: ffff88807da50c80 RCX: 0000000000000000 [ 107.842805][ T5036] RDX: ffff88807d852040 RSI: ffffffff814cf016 RDI: 0000000000000001 [ 107.850962][ T5036] RBP: 0000000000000a00 R08: 0000000000000001 R09: 0000000000000000 [ 107.859032][ T5036] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888072358e20 [ 107.867143][ T5036] R13: ffff88807da528b0 R14: ffff88807da515a0 R15: 0000000000000000 [ 107.875255][ T5036] FS: 0000555556919380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 107.884411][ T5036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 107.891045][ T5036] CR2: 00007f934a6ed463 CR3: 00000000268ad000 CR4: 00000000003506e0 [ 107.899112][ T5036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 107.907225][ T5036] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 107.915283][ T5036] Call Trace: [ 107.918597][ T5036] [ 107.921545][ T5036] ? show_regs+0x8f/0xa0 [ 107.925889][ T5036] ? __warn+0xe6/0x380 [ 107.930019][ T5036] ? preempt_schedule_notrace+0x5f/0xe0 [ 107.935666][ T5036] ? ieee80211_bss_info_change_notify+0x2c9/0x820 [ 107.942125][ T5036] ? report_bug+0x3bc/0x580 [ 107.946718][ T5036] ? handle_bug+0x3c/0x70 [ 107.951098][ T5036] ? exc_invalid_op+0x17/0x40 [ 107.955850][ T5036] ? asm_exc_invalid_op+0x1a/0x20 [ 107.960929][ T5036] ? __warn_printk+0x1a6/0x350 [ 107.965823][ T5036] ? ieee80211_bss_info_change_notify+0x2c9/0x820 [ 107.972375][ T5036] ? ieee80211_bss_info_change_notify+0x2c9/0x820 [ 107.978952][ T5036] ieee80211_ibss_disconnect+0x411/0x9d0 [ 107.984741][ T5036] ieee80211_ibss_leave+0x16/0x160 [ 107.989930][ T5036] __cfg80211_leave_ibss+0x1a2/0x410 [ 107.995303][ T5036] cfg80211_leave_ibss+0x59/0x80 [ 108.000323][ T5036] cfg80211_change_iface+0x457/0xdf0 [ 108.005738][ T5036] nl80211_set_interface+0x708/0x9b0 [ 108.011104][ T5036] ? nl80211_notify_iface+0x190/0x190 [ 108.016578][ T5036] ? nl80211_pre_doit+0x713/0xb00 [ 108.021657][ T5036] ? nl80211_pre_doit+0x1b0/0xb00 [ 108.026818][ T5036] genl_family_rcv_msg_doit+0x1fc/0x2e0 [ 108.032420][ T5036] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 108.039874][ T5036] ? ns_capable+0xd5/0x110 [ 108.044382][ T5036] genl_rcv_msg+0x55c/0x800 [ 108.048918][ T5036] ? genl_family_rcv_msg_dumpit+0x2d0/0x2d0 [ 108.054885][ T5036] ? nl80211_post_doit+0x2f0/0x2f0 [ 108.060049][ T5036] ? nl80211_notify_iface+0x190/0x190 [ 108.065526][ T5036] ? nl80211_parse_sta_wme+0x3d0/0x3d0 [ 108.071061][ T5036] netlink_rcv_skb+0x16b/0x440 [ 108.076056][ T5036] ? genl_family_rcv_msg_dumpit+0x2d0/0x2d0 [ 108.082011][ T5036] ? netlink_ack+0x1370/0x1370 [ 108.086980][ T5036] ? down_write_killable+0x250/0x250 [ 108.092337][ T5036] ? netlink_deliver_tap+0x1a0/0xd00 [ 108.097730][ T5036] genl_rcv+0x28/0x40 [ 108.101775][ T5036] netlink_unicast+0x536/0x810 [ 108.106686][ T5036] ? netlink_attachskb+0x880/0x880 [ 108.111871][ T5036] netlink_sendmsg+0x93c/0xe40 [ 108.116771][ T5036] ? netlink_unicast+0x810/0x810 [ 108.121779][ T5036] ? netlink_unicast+0x810/0x810 [ 108.126864][ T5036] __sock_sendmsg+0xd5/0x180 [ 108.131536][ T5036] ____sys_sendmsg+0x6ac/0x940 [ 108.136437][ T5036] ? copy_msghdr_from_user+0x10b/0x160 [ 108.141993][ T5036] ? kernel_sendmsg+0x50/0x50 [ 108.146884][ T5036] ___sys_sendmsg+0x135/0x1d0 [ 108.151613][ T5036] ? do_recvmmsg+0x740/0x740 [ 108.156282][ T5036] ? lock_sync+0x190/0x190 [ 108.160751][ T5036] ? ptrace_stop.part.0+0x4af/0x900 [ 108.166060][ T5036] ? __fget_light+0x1fc/0x260 [ 108.170791][ T5036] __sys_sendmsg+0x117/0x1e0 [ 108.175455][ T5036] ? __sys_sendmsg_sock+0x30/0x30 [ 108.180536][ T5036] ? ptrace_notify+0xf4/0x130 [ 108.185332][ T5036] ? lockdep_hardirqs_on+0x7d/0x100 [ 108.190629][ T5036] ? _raw_spin_unlock_irq+0x2e/0x50 [ 108.195924][ T5036] ? ptrace_notify+0xf4/0x130 [ 108.200645][ T5036] do_syscall_64+0x38/0xb0 [ 108.205174][ T5036] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 108.211154][ T5036] RIP: 0033:0x7f934a6ef4e9 [ 108.215639][ T5036] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 108.235349][ T5036] RSP: 002b:00007ffc0722bea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.243811][ T5036] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f934a6ef4e9 [ 108.251914][ T5036] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000005 [ 108.259995][ T5036] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 108.268083][ T5036] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 108.276185][ T5036] R13: 0000000000000000 R14: 00007ffc0722bf20 R15: 00007ffc0722bf10 [ 108.284271][ T5036] [ 108.287338][ T5036] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 108.294661][ T5036] CPU: 1 PID: 5036 Comm: syz-executor374 Not tainted 6.6.0-rc5-syzkaller-00171-gce583d5fb9d3 #0 [ 108.305440][ T5036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 108.317500][ T5036] Call Trace: [ 108.320842][ T5036] [ 108.323824][ T5036] dump_stack_lvl+0xd9/0x1b0 [ 108.328477][ T5036] panic+0x6a6/0x750 [ 108.332423][ T5036] ? panic_smp_self_stop+0xa0/0xa0 [ 108.337582][ T5036] ? ieee80211_bss_info_change_notify+0x2c9/0x820 [ 108.344243][ T5036] check_panic_on_warn+0xab/0xb0 [ 108.349236][ T5036] __warn+0xf2/0x380 [ 108.353159][ T5036] ? preempt_schedule_notrace+0x5f/0xe0 [ 108.358846][ T5036] ? ieee80211_bss_info_change_notify+0x2c9/0x820 [ 108.365306][ T5036] report_bug+0x3bc/0x580 [ 108.369659][ T5036] handle_bug+0x3c/0x70 [ 108.373838][ T5036] exc_invalid_op+0x17/0x40 [ 108.378365][ T5036] asm_exc_invalid_op+0x1a/0x20 [ 108.383242][ T5036] RIP: 0010:ieee80211_bss_info_change_notify+0x2c9/0x820 [ 108.390288][ T5036] Code: 00 00 e8 5a e1 d6 f7 48 8b 74 24 08 48 89 74 24 08 e8 4b e1 d6 f7 8b 14 24 48 c7 c7 e0 7b c4 8b 48 8b 74 24 08 e8 77 0a 9d f7 <0f> 0b e8 30 e1 d6 f7 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 [ 108.409936][ T5036] RSP: 0018:ffffc9000344f2f8 EFLAGS: 00010286 [ 108.416034][ T5036] RAX: 0000000000000000 RBX: ffff88807da50c80 RCX: 0000000000000000 [ 108.424048][ T5036] RDX: ffff88807d852040 RSI: ffffffff814cf016 RDI: 0000000000000001 [ 108.432050][ T5036] RBP: 0000000000000a00 R08: 0000000000000001 R09: 0000000000000000 [ 108.440050][ T5036] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888072358e20 [ 108.448057][ T5036] R13: ffff88807da528b0 R14: ffff88807da515a0 R15: 0000000000000000 [ 108.456070][ T5036] ? __warn_printk+0x1a6/0x350 [ 108.460887][ T5036] ? ieee80211_bss_info_change_notify+0x2c9/0x820 [ 108.467342][ T5036] ieee80211_ibss_disconnect+0x411/0x9d0 [ 108.473053][ T5036] ieee80211_ibss_leave+0x16/0x160 [ 108.478205][ T5036] __cfg80211_leave_ibss+0x1a2/0x410 [ 108.483543][ T5036] cfg80211_leave_ibss+0x59/0x80 [ 108.488612][ T5036] cfg80211_change_iface+0x457/0xdf0 [ 108.493946][ T5036] nl80211_set_interface+0x708/0x9b0 [ 108.499270][ T5036] ? nl80211_notify_iface+0x190/0x190 [ 108.504681][ T5036] ? nl80211_pre_doit+0x713/0xb00 [ 108.509749][ T5036] ? nl80211_pre_doit+0x1b0/0xb00 [ 108.514812][ T5036] genl_family_rcv_msg_doit+0x1fc/0x2e0 [ 108.520403][ T5036] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 108.527813][ T5036] ? ns_capable+0xd5/0x110 [ 108.532262][ T5036] genl_rcv_msg+0x55c/0x800 [ 108.536798][ T5036] ? genl_family_rcv_msg_dumpit+0x2d0/0x2d0 [ 108.542724][ T5036] ? nl80211_post_doit+0x2f0/0x2f0 [ 108.547869][ T5036] ? nl80211_notify_iface+0x190/0x190 [ 108.553270][ T5036] ? nl80211_parse_sta_wme+0x3d0/0x3d0 [ 108.558779][ T5036] netlink_rcv_skb+0x16b/0x440 [ 108.563609][ T5036] ? genl_family_rcv_msg_dumpit+0x2d0/0x2d0 [ 108.569566][ T5036] ? netlink_ack+0x1370/0x1370 [ 108.574372][ T5036] ? down_write_killable+0x250/0x250 [ 108.579848][ T5036] ? netlink_deliver_tap+0x1a0/0xd00 [ 108.585187][ T5036] genl_rcv+0x28/0x40 [ 108.589211][ T5036] netlink_unicast+0x536/0x810 [ 108.594022][ T5036] ? netlink_attachskb+0x880/0x880 [ 108.599172][ T5036] netlink_sendmsg+0x93c/0xe40 [ 108.603971][ T5036] ? netlink_unicast+0x810/0x810 [ 108.608941][ T5036] ? netlink_unicast+0x810/0x810 [ 108.613909][ T5036] __sock_sendmsg+0xd5/0x180 [ 108.618542][ T5036] ____sys_sendmsg+0x6ac/0x940 [ 108.623347][ T5036] ? copy_msghdr_from_user+0x10b/0x160 [ 108.628839][ T5036] ? kernel_sendmsg+0x50/0x50 [ 108.633592][ T5036] ___sys_sendmsg+0x135/0x1d0 [ 108.638306][ T5036] ? do_recvmmsg+0x740/0x740 [ 108.642926][ T5036] ? lock_sync+0x190/0x190 [ 108.647392][ T5036] ? ptrace_stop.part.0+0x4af/0x900 [ 108.652647][ T5036] ? __fget_light+0x1fc/0x260 [ 108.657374][ T5036] __sys_sendmsg+0x117/0x1e0 [ 108.662027][ T5036] ? __sys_sendmsg_sock+0x30/0x30 [ 108.667091][ T5036] ? ptrace_notify+0xf4/0x130 [ 108.671822][ T5036] ? lockdep_hardirqs_on+0x7d/0x100 [ 108.677068][ T5036] ? _raw_spin_unlock_irq+0x2e/0x50 [ 108.682312][ T5036] ? ptrace_notify+0xf4/0x130 [ 108.687033][ T5036] do_syscall_64+0x38/0xb0 [ 108.691513][ T5036] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 108.697462][ T5036] RIP: 0033:0x7f934a6ef4e9 [ 108.701910][ T5036] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 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 b8 ff ff ff f7 d8 64 89 01 48 [ 108.721580][ T5036] RSP: 002b:00007ffc0722bea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.730026][ T5036] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f934a6ef4e9 [ 108.738018][ T5036] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000005 [ 108.746013][ T5036] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 108.757230][ T5036] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 108.765226][ T5036] R13: 0000000000000000 R14: 00007ffc0722bf20 R15: 00007ffc0722bf10 [ 108.773238][ T5036] [ 108.776595][ T5036] Kernel Offset: disabled [ 108.781183][ T5036] Rebooting in 86400 seconds..