./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor870557976 <...> Warning: Permanently added '10.128.0.25' (ED25519) to the list of known hosts. execve("./syz-executor870557976", ["./syz-executor870557976"], 0x7ffc81f23b50 /* 10 vars */) = 0 brk(NULL) = 0x55555658b000 brk(0x55555658bd00) = 0x55555658bd00 arch_prctl(ARCH_SET_FS, 0x55555658b380) = 0 set_tid_address(0x55555658b650) = 5061 set_robust_list(0x55555658b660, 24) = 0 rseq(0x55555658bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor870557976", 4096) = 27 getrandom("\x21\x8f\x17\xf5\x85\x83\xe7\xd7", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555658bd00 brk(0x5555565acd00) = 0x5555565acd00 brk(0x5555565ad000) = 0x5555565ad000 mprotect(0x7f6af4c1d000, 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 5062 attached , child_tidptr=0x55555658b650) = 5062 [pid 5062] set_robust_list(0x55555658b660, 24) = 0 [pid 5062] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5062] setsid() = 1 [ 73.606196][ T27] audit: type=1400 audit(1704553272.147:83): avc: denied { execmem } for pid=5061 comm="syz-executor870" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5062] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5062] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5062] unshare(CLONE_NEWNS) = 0 [pid 5062] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5062] unshare(CLONE_NEWIPC) = 0 [ 73.634990][ T27] audit: type=1400 audit(1704553272.167:84): avc: denied { mounton } for pid=5062 comm="syz-executor870" 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 [ 73.659664][ T27] audit: type=1400 audit(1704553272.167:85): avc: denied { mount } for pid=5062 comm="syz-executor870" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 73.682755][ T27] audit: type=1400 audit(1704553272.197:86): avc: denied { append } for pid=4493 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 [ 73.705920][ T27] audit: type=1400 audit(1704553272.197:87): avc: denied { open } for pid=4493 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 [ 73.728478][ T27] audit: type=1400 audit(1704553272.197:88): avc: denied { getattr } for pid=4493 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 [pid 5062] unshare(CLONE_NEWCGROUP) = 0 [pid 5062] unshare(CLONE_NEWUTS) = 0 [pid 5062] unshare(CLONE_SYSVSEM) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "16777216", 8) = 8 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "536870912", 9) = 9 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024", 4) = 4 [ 73.751381][ T27] audit: type=1400 audit(1704553272.227:89): avc: denied { mounton } for pid=5062 comm="syz-executor870" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "8192", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024", 4) = 4 [pid 5062] close(3) = 0 [pid 5062] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5062] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5062] close(3) = 0 [pid 5062] getpid() = 1 [pid 5062] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 90 e8 f2 8e 97 f7 4c 89 e2 48 b8 00 00 00 00 00 fc ff df [ 74.621253][ T5062] RSP: 0018:ffffc900031df450 EFLAGS: 00010286 [ 74.627358][ T5062] RAX: 0000000000000000 RBX: ffff888020928c80 RCX: ffffffff814ca759 [ 74.635395][ T5062] RDX: ffff888020490080 RSI: ffffffff814ca766 RDI: 0000000000000001 [ 74.643361][ T5062] RBP: 0000000002000000 R08: 0000000000000001 R09: 0000000000000000 [ 74.651375][ T5062] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880209294d0 [ 74.659408][ T5062] R13: ffff88802092a2a8 R14: ffff88807ae20e20 R15: 0000000000000000 [ 74.667416][ T5062] FS: 000055555658b380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 74.676395][ T5062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.682972][ T5062] CR2: 0000000020006440 CR3: 000000007f16b000 CR4: 00000000003506f0 [ 74.691010][ T5062] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.699062][ T5062] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.707100][ T5062] Call Trace: [ 74.710389][ T5062] [ 74.713315][ T5062] ? show_regs+0x8f/0xa0 [ 74.717628][ T5062] ? __warn+0xe6/0x390 [ 74.721716][ T5062] ? ieee80211_link_info_change_notify+0x215/0x340 [ 74.728274][ T5062] ? report_bug+0x3bc/0x580 [ 74.732792][ T5062] ? handle_bug+0x3d/0x70 [ 74.737211][ T5062] ? exc_invalid_op+0x17/0x40 [ 74.741922][ T5062] ? asm_exc_invalid_op+0x1a/0x20 [ 74.746996][ T5062] ? __warn_printk+0x199/0x350 [ 74.751778][ T5062] ? __warn_printk+0x1a6/0x350 [ 74.756650][ T5062] ? ieee80211_link_info_change_notify+0x215/0x340 [ 74.763170][ T5062] ieee80211_set_mcast_rate+0x42/0x50 [ 74.768601][ T5062] ? ieee80211_copy_rnr_beacon+0x280/0x280 [ 74.774498][ T5062] nl80211_set_mcast_rate+0x339/0x580 [ 74.780115][ T5062] ? nl80211_nan_del_func+0x510/0x510 [ 74.785538][ T5062] ? nl80211_pre_doit+0x1b0/0xb10 [ 74.790557][ T5062] genl_family_rcv_msg_doit+0x1fc/0x2e0 [ 74.796159][ T5062] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 74.803550][ T5062] ? ns_capable+0xd5/0x110 [ 74.808040][ T5062] genl_rcv_msg+0x561/0x800 [ 74.812600][ T5062] ? genl_family_rcv_msg_dumpit+0x2d0/0x2d0 [ 74.818572][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.824585][ T5062] ? cfg80211_crit_proto_stopped+0x490/0x490 [ 74.830665][ T5062] ? nl80211_nan_del_func+0x510/0x510 [ 74.836137][ T5062] ? nl80211_get_power_save+0x480/0x480 [ 74.841719][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.847760][ T5062] netlink_rcv_skb+0x16b/0x440 [ 74.852543][ T5062] ? genl_family_rcv_msg_dumpit+0x2d0/0x2d0 [ 74.858498][ T5062] ? netlink_ack+0x1380/0x1380 [ 74.863276][ T5062] ? down_read+0xc9/0x330 [ 74.867654][ T5062] ? rwsem_down_read_slowpath+0xb20/0xb20 [ 74.873417][ T5062] ? netlink_deliver_tap+0x1a0/0xd00 [ 74.878771][ T5062] genl_rcv+0x28/0x40 [ 74.882761][ T5062] netlink_unicast+0x53b/0x810 [ 74.887581][ T5062] ? netlink_attachskb+0x880/0x880 [ 74.892728][ T5062] netlink_sendmsg+0x93c/0xe40 [ 74.897875][ T5062] ? netlink_unicast+0x810/0x810 [ 74.902814][ T5062] ? netlink_unicast+0x810/0x810 [ 74.907791][ T5062] __sock_sendmsg+0xd5/0x180 [ 74.912413][ T5062] ____sys_sendmsg+0x6ac/0x940 [ 74.917248][ T5062] ? copy_msghdr_from_user+0x10b/0x160 [ 74.922733][ T5062] ? kernel_sendmsg+0x50/0x50 [ 74.927452][ T5062] ? hlock_class+0x4e/0x130 [ 74.931977][ T5062] ___sys_sendmsg+0x135/0x1d0 [ 74.936723][ T5062] ? do_recvmmsg+0x740/0x740 [ 74.941340][ T5062] ? recalc_sigpending_tsk+0x187/0x1d0 [ 74.946882][ T5062] ? __fget_light+0x1fc/0x260 [ 74.951581][ T5062] __sys_sendmsg+0x117/0x1e0 [ 74.956261][ T5062] ? __sys_sendmsg_sock+0x30/0x30 [ 74.961320][ T5062] ? ptrace_notify+0xf4/0x130 [ 74.966061][ T5062] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 74.972322][ T5062] do_syscall_64+0x40/0x110 [ 74.976993][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 74.982917][ T5062] RIP: 0033:0x7f6af4ba4c79 [ 74.987369][ T5062] 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 [ 75.007036][ T5062] RSP: 002b:00007ffc0f9f0388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.015488][ T5062] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6af4ba4c79 [ 75.023481][ T5062] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 [ 75.031514][ T5062] RBP: 0000000000000031 R08: 0000000c5658c378 R09: 0000000c5658c378 [ 75.039530][ T5062] R10: 0000000c5658c378 R11: 0000000000000246 R12: 0000000000000003 [ 75.047564][ T5062] R13: 0000000000050012 R14: 00007ffc0f9f03ba R15: 00007f6af4c23320 [ 75.055885][ T5062] [ 75.058905][ T5062] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 75.066179][ T5062] CPU: 0 PID: 5062 Comm: syz-executor870 Not tainted 6.7.0-rc8-syzkaller-00174-g95c8a35f1c01 #0 [ 75.076584][ T5062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 75.086637][ T5062] Call Trace: [ 75.089912][ T5062] [ 75.092837][ T5062] dump_stack_lvl+0xd9/0x1b0 [ 75.097425][ T5062] panic+0x6dc/0x790 [ 75.101311][ T5062] ? panic_smp_self_stop+0xa0/0xa0 [ 75.106412][ T5062] ? show_trace_log_lvl+0x363/0x4f0 [ 75.111602][ T5062] ? check_panic_on_warn+0x1f/0xb0 [ 75.116709][ T5062] ? ieee80211_link_info_change_notify+0x215/0x340 [ 75.123218][ T5062] check_panic_on_warn+0xab/0xb0 [ 75.128167][ T5062] __warn+0xf2/0x390 [ 75.132063][ T5062] ? ieee80211_link_info_change_notify+0x215/0x340 [ 75.138579][ T5062] report_bug+0x3bc/0x580 [ 75.142928][ T5062] handle_bug+0x3d/0x70 [ 75.147097][ T5062] exc_invalid_op+0x17/0x40 [ 75.151627][ T5062] asm_exc_invalid_op+0x1a/0x20 [ 75.156497][ T5062] RIP: 0010:ieee80211_link_info_change_notify+0x215/0x340 [ 75.163622][ T5062] Code: e8 20 8f 97 f7 48 8b 74 24 08 48 89 74 24 08 e8 11 8f 97 f7 8b 54 24 04 48 c7 c7 c0 a7 0b 8c 48 8b 74 24 08 e8 9c cf 5d f7 90 <0f> 0b 90 90 e8 f2 8e 97 f7 4c 89 e2 48 b8 00 00 00 00 00 fc ff df [ 75.183235][ T5062] RSP: 0018:ffffc900031df450 EFLAGS: 00010286 [ 75.189303][ T5062] RAX: 0000000000000000 RBX: ffff888020928c80 RCX: ffffffff814ca759 [ 75.197273][ T5062] RDX: ffff888020490080 RSI: ffffffff814ca766 RDI: 0000000000000001 [ 75.205242][ T5062] RBP: 0000000002000000 R08: 0000000000000001 R09: 0000000000000000 [ 75.213209][ T5062] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880209294d0 [ 75.221180][ T5062] R13: ffff88802092a2a8 R14: ffff88807ae20e20 R15: 0000000000000000 [ 75.229174][ T5062] ? __warn_printk+0x199/0x350 [ 75.233946][ T5062] ? __warn_printk+0x1a6/0x350 [ 75.238713][ T5062] ieee80211_set_mcast_rate+0x42/0x50 [ 75.244092][ T5062] ? ieee80211_copy_rnr_beacon+0x280/0x280 [ 75.249905][ T5062] nl80211_set_mcast_rate+0x339/0x580 [ 75.255284][ T5062] ? nl80211_nan_del_func+0x510/0x510 [ 75.260660][ T5062] ? nl80211_pre_doit+0x1b0/0xb10 [ 75.265685][ T5062] genl_family_rcv_msg_doit+0x1fc/0x2e0 [ 75.271237][ T5062] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x280/0x280 [ 75.278609][ T5062] ? ns_capable+0xd5/0x110 [ 75.283031][ T5062] genl_rcv_msg+0x561/0x800 [ 75.287536][ T5062] ? genl_family_rcv_msg_dumpit+0x2d0/0x2d0 [ 75.293429][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.299414][ T5062] ? cfg80211_crit_proto_stopped+0x490/0x490 [ 75.305394][ T5062] ? nl80211_nan_del_func+0x510/0x510 [ 75.310768][ T5062] ? nl80211_get_power_save+0x480/0x480 [ 75.316317][ T5062] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 75.322307][ T5062] netlink_rcv_skb+0x16b/0x440 [ 75.327089][ T5062] ? genl_family_rcv_msg_dumpit+0x2d0/0x2d0 [ 75.333009][ T5062] ? netlink_ack+0x1380/0x1380 [ 75.337779][ T5062] ? down_read+0xc9/0x330 [ 75.342115][ T5062] ? rwsem_down_read_slowpath+0xb20/0xb20 [ 75.347842][ T5062] ? netlink_deliver_tap+0x1a0/0xd00 [ 75.353144][ T5062] genl_rcv+0x28/0x40 [ 75.357219][ T5062] netlink_unicast+0x53b/0x810 [ 75.361984][ T5062] ? netlink_attachskb+0x880/0x880 [ 75.367102][ T5062] netlink_sendmsg+0x93c/0xe40 [ 75.371865][ T5062] ? netlink_unicast+0x810/0x810 [ 75.376803][ T5062] ? netlink_unicast+0x810/0x810 [ 75.381744][ T5062] __sock_sendmsg+0xd5/0x180 [ 75.386338][ T5062] ____sys_sendmsg+0x6ac/0x940 [ 75.391111][ T5062] ? copy_msghdr_from_user+0x10b/0x160 [ 75.396575][ T5062] ? kernel_sendmsg+0x50/0x50 [ 75.401252][ T5062] ? hlock_class+0x4e/0x130 [ 75.405760][ T5062] ___sys_sendmsg+0x135/0x1d0 [ 75.410465][ T5062] ? do_recvmmsg+0x740/0x740 [ 75.415063][ T5062] ? recalc_sigpending_tsk+0x187/0x1d0 [ 75.420532][ T5062] ? __fget_light+0x1fc/0x260 [ 75.425211][ T5062] __sys_sendmsg+0x117/0x1e0 [ 75.429813][ T5062] ? __sys_sendmsg_sock+0x30/0x30 [ 75.434848][ T5062] ? ptrace_notify+0xf4/0x130 [ 75.439524][ T5062] ? syscall_trace_enter.constprop.0+0xaf/0x1e0 [ 75.445770][ T5062] do_syscall_64+0x40/0x110 [ 75.450283][ T5062] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 75.456191][ T5062] RIP: 0033:0x7f6af4ba4c79 [ 75.460603][ T5062] 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 [ 75.480209][ T5062] RSP: 002b:00007ffc0f9f0388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.488731][ T5062] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6af4ba4c79 [ 75.496713][ T5062] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004 [ 75.504687][ T5062] RBP: 0000000000000031 R08: 0000000c5658c378 R09: 0000000c5658c378 [ 75.512654][ T5062] R10: 0000000c5658c378 R11: 0000000000000246 R12: 0000000000000003 [ 75.520709][ T5062] R13: 0000000000050012 R14: 00007ffc0f9f03ba R15: 00007f6af4c23320 [ 75.528681][ T5062] [ 75.531868][ T5062] Kernel Offset: disabled [ 75.536271][ T5062] Rebooting in 86400 seconds..