ci-upstream-kasan-gce-selinux-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce-selinux-root/syz-executor3816994978 <...> Warning: Permanently added '10.128.1.21' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce-selinux-root/syz-executor3816994978", ["ci-upstream-kasan-gce-selinux-root/syz-executor3816994978"], 0x7fff572d2270 /* 10 vars */) = 0 brk(NULL) = 0x555588ab0000 brk(0x555588ab0d80) = 0x555588ab0d80 arch_prctl(ARCH_SET_FS, 0x555588ab0400) = 0 set_tid_address(0x555588ab06d0) = 5610 set_robust_list(0x555588ab06e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-kasan-gce-selinux-root/syz-executor3816994978", 4096) = 63 getrandom("\x44\xe0\xdf\x9a\x6e\x34\x4a\x63", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555588ab0d80 brk(0x555588ad1d80) = 0x555588ad1d80 brk(0x555588ad2000) = 0x555588ad2000 mprotect(0x7f63a1b0d000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 unshare(CLONE_NEWPID) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555588ab06d0) = 5611 ci-upstream-kasan-gce-selinux-root/strace-static-x86_64: Process 5611 attached [pid 5610] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5611] set_robust_list(0x555588ab06e0, 24) = 0 [pid 5611] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5611] getppid() = 0 [pid 5611] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3 [pid 5611] dup2(3, 201) = 201 [pid 5611] close(3) = 0 [pid 5611] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5611] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5611] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5611] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5611] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5611] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5611] unshare(CLONE_NEWNS) = 0 [pid 5611] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5611] unshare(CLONE_NEWIPC) = 0 [pid 5611] unshare(CLONE_NEWCGROUP) = 0 [pid 5611] unshare(CLONE_NEWUTS) = 0 [pid 5611] unshare(CLONE_SYSVSEM) = 0 [pid 5611] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [ 61.771880][ T30] kauditd_printk_skb: 8 callbacks suppressed [ 61.771897][ T30] audit: type=1400 audit(1789418655.219:129): avc: denied { execmem } for pid=5610 comm="syz-executor381" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5611] write(3, "16777216", 8) = 8 [pid 5611] close(3) = 0 [pid 5611] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5611] write(3, "536870912", 9) = 9 [pid 5611] close(3) = 0 [ 61.814992][ T30] audit: type=1400 audit(1789418655.269:130): avc: denied { read } for pid=5611 comm="syz-executor381" dev="nsfs" ino=4026531833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 61.815257][ T30] audit: type=1400 audit(1789418655.269:131): avc: denied { open } for pid=5611 comm="syz-executor381" path="net:[4026531833]" dev="nsfs" ino=4026531833 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [pid 5611] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5611] write(3, "1024", 4) = 4 [pid 5611] close(3) = 0 [pid 5611] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5611] write(3, "8192", 4) = 4 [pid 5611] close(3) = 0 [pid 5611] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5611] write(3, "1024", 4) = 4 [pid 5611] close(3) = 0 [pid 5611] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5611] write(3, "1024", 4) = 4 [pid 5611] close(3) = 0 [pid 5611] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5611] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5611] close(3) = 0 [pid 5611] getpid() = 1 [pid 5611] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 31 db e9 43 eb ff ff e8 eb fc 6b f8 e8 66 af 4f f8 31 ff [ 64.813325][ C0] RSP: 0018:ffffc90000007990 EFLAGS: 00010246 [ 64.819430][ C0] RAX: 0000000000000000 RBX: 0000000000000040 RCX: 0000000000000101 [ 64.827478][ C0] RDX: ffff88801fac2580 RSI: ffffffff89a02015 RDI: ffff88801fac2580 [ 64.835493][ C0] RBP: 000000000000ffff R08: 0000000000000003 R09: 000000000000ffff [ 64.843472][ C0] R10: 000000000000ffff R11: 0000000000000001 R12: ffff888076f6eb40 [ 64.851499][ C0] R13: ffffc90000007c10 R14: ffff888076f6eb40 R15: ffff888076f6eb40 [ 64.859510][ C0] FS: 0000000000000000(0000) GS:ffff888123b59000(0000) knlGS:0000000000000000 [ 64.868496][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.875117][ C0] CR2: 0000562d9f3d5b60 CR3: 000000007345a000 CR4: 00000000003526f0 [ 64.883102][ C0] Call Trace: [ 64.886426][ C0] [ 64.889274][ C0] ? free_old_xmit+0x136/0x1f0 [ 64.894090][ C0] ? napi_complete_done+0x3de/0x940 [ 64.899298][ C0] ? __pfx___netif_receive_skb_core.constprop.0+0x10/0x10 [ 64.906464][ C0] ? virtqueue_enable_cb_prepare_split+0x65/0x250 [ 64.912891][ C0] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 64.918842][ C0] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 64.924779][ C0] ? virtqueue_poll+0x2da/0x3d0 [ 64.929638][ C0] ? virtnet_poll+0x14f8/0x3a90 [ 64.934547][ C0] ? __lock_acquire+0x5c0/0x1f40 [ 64.939495][ C0] ? __lock_acquire+0x5c0/0x1f40 [ 64.944489][ C0] ? process_backlog+0x437/0x1600 [ 64.949512][ C0] __netif_receive_skb_one_core+0xb0/0x1e0 [ 64.955373][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 64.961791][ C0] ? lock_acquire+0x1d1/0x380 [ 64.966519][ C0] ? process_backlog+0x437/0x1600 [ 64.971543][ C0] ? process_backlog+0x437/0x1600 [ 64.976615][ C0] __netif_receive_skb+0x1f/0x120 [ 64.981645][ C0] process_backlog+0x487/0x1600 [ 64.986553][ C0] __napi_poll.constprop.0+0xaf/0x450 [ 64.991926][ C0] net_rx_action+0xa40/0xf20 [ 64.996560][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 65.001679][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 65.006945][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 65.012151][ C0] ? sched_clock+0x3a/0x60 [ 65.016623][ C0] ? sched_clock_cpu+0x6c/0x570 [ 65.021493][ C0] ? mark_held_locks+0x40/0x70 [ 65.026312][ C0] handle_softirqs+0x1e6/0x9d0 [ 65.031082][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 65.036422][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 65.041711][ C0] ? netif_rx+0x65/0xb0 [ 65.045931][ C0] do_softirq+0xaf/0xf0 [ 65.050094][ C0] [ 65.053023][ C0] [ 65.056015][ C0] __local_bh_enable_ip+0xff/0x120 [ 65.061133][ C0] ? netif_rx+0x65/0xb0 [ 65.065341][ C0] netif_rx+0x93/0xb0 [ 65.069322][ C0] slcan_receive_buf+0x1a66/0x1f30 [ 65.074457][ C0] ? __pfx_slcan_receive_buf+0x10/0x10 [ 65.079916][ C0] ? ldsem_down_read_trylock+0x115/0x190 [ 65.085576][ C0] ? ldsem_down_read_trylock+0x11b/0x190 [ 65.091219][ C0] ? __pfx_ldsem_down_read_trylock+0x10/0x10 [ 65.097218][ C0] ? __pfx_slcan_receive_buf+0x10/0x10 [ 65.102698][ C0] tty_ldisc_receive_buf+0x15a/0x1a0 [ 65.107998][ C0] tty_port_default_receive_buf+0x70/0xb0 [ 65.113715][ C0] flush_to_ldisc+0x26b/0x730 [ 65.118432][ C0] ? process_one_work+0x906/0x1b10 [ 65.123566][ C0] process_one_work+0xac7/0x1b10 [ 65.128545][ C0] ? __pfx_process_one_work+0x10/0x10 [ 65.133952][ C0] ? lock_acquire+0x1d1/0x380 [ 65.138631][ C0] ? __pfx_flush_to_ldisc+0x10/0x10 [ 65.143864][ C0] worker_thread+0x5ef/0xe50 [ 65.148440][ C0] ? __pfx_worker_thread+0x10/0x10 [ 65.153528][ C0] ? kthread+0x13a/0x450 [ 65.157791][ C0] ? __pfx_worker_thread+0x10/0x10 [ 65.162892][ C0] kthread+0x373/0x450 [ 65.167002][ C0] ? __pfx_kthread+0x10/0x10 [ 65.171598][ C0] ret_from_fork+0x730/0xd60 [ 65.176210][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 65.181322][ C0] ? __switch_to+0x800/0x10f0 [ 65.186041][ C0] ? __pfx_kthread+0x10/0x10 [ 65.190640][ C0] ret_from_fork_asm+0x1a/0x30 [ 65.195428][ C0] [ 65.198442][ C0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 65.205708][ C0] CPU: 0 UID: 0 PID: 43 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(full) [ 65.214966][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 [ 65.224999][ C0] Workqueue: events_unbound flush_to_ldisc [ 65.230787][ C0] Call Trace: [ 65.234040][ C0] [ 65.236859][ C0] dump_stack_lvl+0x100/0x190 [ 65.241516][ C0] vpanic+0x553/0x970 [ 65.245471][ C0] ? __pfx_vpanic+0x10/0x10 [ 65.249947][ C0] panic+0xd1/0xe0 [ 65.253645][ C0] ? __pfx_panic+0x10/0x10 [ 65.258063][ C0] check_panic_on_warn.cold+0x19/0x34 [ 65.263424][ C0] ? __netif_receive_skb_core.constprop.0+0x1706/0x3530 [ 65.270338][ C0] __warn.cold+0x191/0x318 [ 65.274741][ C0] __report_bug+0x30f/0x440 [ 65.279225][ C0] ? __netif_receive_skb_core.constprop.0+0x1706/0x3530 [ 65.286145][ C0] ? __pfx___report_bug+0x10/0x10 [ 65.291147][ C0] ? __netif_receive_skb_list_core+0x559/0x940 [ 65.297279][ C0] ? __pfx___netif_receive_skb_list_core+0x10/0x10 [ 65.303758][ C0] ? __netif_receive_skb_core.constprop.0+0x1706/0x3530 [ 65.310682][ C0] report_bug+0xb3/0x220 [ 65.314910][ C0] ? __netif_receive_skb_core.constprop.0+0x1706/0x3530 [ 65.321822][ C0] handle_bug+0x16a/0x2a0 [ 65.326140][ C0] exc_invalid_op+0x17/0x50 [ 65.330619][ C0] asm_exc_invalid_op+0x1a/0x20 [ 65.335441][ C0] RIP: 0010:__netif_receive_skb_core.constprop.0+0x1706/0x3530 [ 65.342956][ C0] Code: de 4c 8b bc 24 e8 00 00 00 e8 86 f7 6b f8 85 db 0f 88 11 f2 ff ff 31 db 4d 8d af 81 00 00 00 e9 01 ed ff ff e8 fb fc 6b f8 90 <0f> 0b 90 31 db e9 43 eb ff ff e8 eb fc 6b f8 e8 66 af 4f f8 31 ff [ 65.362543][ C0] RSP: 0018:ffffc90000007990 EFLAGS: 00010246 [ 65.368618][ C0] RAX: 0000000000000000 RBX: 0000000000000040 RCX: 0000000000000101 [ 65.376596][ C0] RDX: ffff88801fac2580 RSI: ffffffff89a02015 RDI: ffff88801fac2580 [ 65.384572][ C0] RBP: 000000000000ffff R08: 0000000000000003 R09: 000000000000ffff [ 65.392542][ C0] R10: 000000000000ffff R11: 0000000000000001 R12: ffff888076f6eb40 [ 65.400490][ C0] R13: ffffc90000007c10 R14: ffff888076f6eb40 R15: ffff888076f6eb40 [ 65.408441][ C0] ? __netif_receive_skb_core.constprop.0+0x1705/0x3530 [ 65.415359][ C0] ? free_old_xmit+0x136/0x1f0 [ 65.420099][ C0] ? napi_complete_done+0x3de/0x940 [ 65.425282][ C0] ? __pfx___netif_receive_skb_core.constprop.0+0x10/0x10 [ 65.432363][ C0] ? virtqueue_enable_cb_prepare_split+0x65/0x250 [ 65.438754][ C0] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 65.444618][ C0] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 65.450488][ C0] ? virtqueue_poll+0x2da/0x3d0 [ 65.455317][ C0] ? virtnet_poll+0x14f8/0x3a90 [ 65.460163][ C0] ? __lock_acquire+0x5c0/0x1f40 [ 65.465082][ C0] ? __lock_acquire+0x5c0/0x1f40 [ 65.470002][ C0] ? process_backlog+0x437/0x1600 [ 65.475000][ C0] __netif_receive_skb_one_core+0xb0/0x1e0 [ 65.480785][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 65.487181][ C0] ? lock_acquire+0x1d1/0x380 [ 65.491838][ C0] ? process_backlog+0x437/0x1600 [ 65.496857][ C0] ? process_backlog+0x437/0x1600 [ 65.501873][ C0] __netif_receive_skb+0x1f/0x120 [ 65.506883][ C0] process_backlog+0x487/0x1600 [ 65.511741][ C0] __napi_poll.constprop.0+0xaf/0x450 [ 65.517095][ C0] net_rx_action+0xa40/0xf20 [ 65.521662][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 65.526746][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 65.531921][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 65.537101][ C0] ? sched_clock+0x3a/0x60 [ 65.541491][ C0] ? sched_clock_cpu+0x6c/0x570 [ 65.546330][ C0] ? mark_held_locks+0x40/0x70 [ 65.551068][ C0] handle_softirqs+0x1e6/0x9d0 [ 65.555821][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 65.561083][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 65.566343][ C0] ? netif_rx+0x65/0xb0 [ 65.570479][ C0] do_softirq+0xaf/0xf0 [ 65.574610][ C0] [ 65.577514][ C0] [ 65.580417][ C0] __local_bh_enable_ip+0xff/0x120 [ 65.585501][ C0] ? netif_rx+0x65/0xb0 [ 65.589631][ C0] netif_rx+0x93/0xb0 [ 65.593585][ C0] slcan_receive_buf+0x1a66/0x1f30 [ 65.598673][ C0] ? __pfx_slcan_receive_buf+0x10/0x10 [ 65.604112][ C0] ? ldsem_down_read_trylock+0x115/0x190 [ 65.609765][ C0] ? ldsem_down_read_trylock+0x11b/0x190 [ 65.615376][ C0] ? __pfx_ldsem_down_read_trylock+0x10/0x10 [ 65.621340][ C0] ? __pfx_slcan_receive_buf+0x10/0x10 [ 65.626781][ C0] tty_ldisc_receive_buf+0x15a/0x1a0 [ 65.632042][ C0] tty_port_default_receive_buf+0x70/0xb0 [ 65.637735][ C0] flush_to_ldisc+0x26b/0x730 [ 65.642387][ C0] ? process_one_work+0x906/0x1b10 [ 65.647495][ C0] process_one_work+0xac7/0x1b10 [ 65.652416][ C0] ? __pfx_process_one_work+0x10/0x10 [ 65.657787][ C0] ? lock_acquire+0x1d1/0x380 [ 65.662447][ C0] ? __pfx_flush_to_ldisc+0x10/0x10 [ 65.667621][ C0] worker_thread+0x5ef/0xe50 [ 65.672191][ C0] ? __pfx_worker_thread+0x10/0x10 [ 65.677283][ C0] ? kthread+0x13a/0x450 [ 65.681508][ C0] ? __pfx_worker_thread+0x10/0x10 [ 65.686593][ C0] kthread+0x373/0x450 [ 65.690639][ C0] ? __pfx_kthread+0x10/0x10 [ 65.695203][ C0] ret_from_fork+0x730/0xd60 [ 65.699867][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 65.704953][ C0] ? __switch_to+0x800/0x10f0 [ 65.709619][ C0] ? __pfx_kthread+0x10/0x10 [ 65.714187][ C0] ret_from_fork_asm+0x1a/0x30 [ 65.718933][ C0] [ 65.722147][ C0] Kernel Offset: disabled [ 65.726459][ C0] Rebooting in 86400 seconds..