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-executor3940964142 <...> Warning: Permanently added '10.128.1.19' (ED25519) to the list of known hosts. execve("ci-upstream-kasan-gce-selinux-root/syz-executor3940964142", ["ci-upstream-kasan-gce-selinux-root/syz-executor3940964142"], 0x7ffcb9210eb0 /* 10 vars */) = 0 brk(NULL) = 0x55558f8e8000 brk(0x55558f8e8e40) = 0x55558f8e8e40 arch_prctl(ARCH_SET_FS, 0x55558f8e84c0) = 0 set_tid_address(0x55558f8e8790) = 5611 set_robust_list(0x55558f8e87a0, 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-executor3940964142", 4096) = 63 getrandom("\x63\xf7\x31\xd2\x5f\x2d\x9d\x56", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558f8e8e40 brk(0x55558f909e40) = 0x55558f909e40 brk(0x55558f90a000) = 0x55558f90a000 mprotect(0x7f2cc6869000, 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 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f2cc67c8c10, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f2cc67cb7c0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f2cc67c8c10, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f2cc67cb7c0}, NULL, 8) = 0 executing program write(1, "executing program\n", 18) = 18 openat(AT_FDCWD, "/dev/ptmx", O_RDWR) = 3 ioctl(3, TIOCSPTLCK, [0]) = 0 ioctl(3, TIOCGPTN, [0]) = 0 openat(AT_FDCWD, "/dev/pts/0", O_RDWR) = 4 ioctl(4, TIOCSETD, [17]) = 0 socket(AF_LLC, SOCK_DGRAM, 0) = 5 ioctl(5, SIOCSIFFLAGS, {ifr_name="can0", ifr_flags=IFF_UP}) = 0 [ 61.643368][ T30] kauditd_printk_skb: 8 callbacks suppressed [ 61.643386][ T30] audit: type=1400 audit(1789423501.707:129): avc: denied { execmem } for pid=5611 comm="syz-executor394" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 61.684327][ T5611] can0: slcan on pts0. write(3, "e1a\r", 4) = 4 [ 61.685923][ T30] audit: type=1400 audit(1789423501.747:130): avc: denied { create } for pid=5611 comm="syz-executor394" scontext=root:s ** replaying previous printk message ** [ 61.685923][ T30] audit: type=1400 audit(1789423501.747:130): avc: denied { create } for pid=5611 comm="syz-executor394" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=llc_socket permissive=1 exit_group(0) = ? [ 61.687501][ T30] audit: type=1400 audit(1789423501.747:131): avc: denied { ioctl } for pid=5611 comm="syz-executor394" path="socket:[4713]" dev="sockfs" ino=4713 ioctlcmd=0x8914 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=llc_socket permissive=1 [ 61.704500][ C0] ------------[ cut here ]------------ [ 61.704514][ C0] 1 [ 61.704520][ C0] WARNING: ./include/linux/skbuff.h:3003 at __netif_receive_skb_core.constprop.0+0x1706/0x3530, CPU#0: kworker/u8:1/13 [ 61.773575][ C0] Modules linked in: [ 61.777482][ C0] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full) [ 61.786836][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 [ 61.796952][ C0] Workqueue: events_unbound flush_to_ldisc [ 61.802855][ C0] RIP: 0010:__netif_receive_skb_core.constprop.0+0x1706/0x3530 [ 61.810454][ 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 [ 61.830121][ C0] RSP: 0018:ffffc90000007990 EFLAGS: 00010246 [ 61.836206][ C0] RAX: 0000000000000000 RBX: 0000000000000040 RCX: 0000000000000101 [ 61.844263][ C0] RDX: ffff88801f2a0000 RSI: ffffffff89a02015 RDI: ffff88801f2a0000 [ 61.852269][ C0] RBP: 000000000000ffff R08: 0000000000000003 R09: 000000000000ffff [ 61.860260][ C0] R10: 000000000000ffff R11: 0000000000000001 R12: ffff888075f88140 [ 61.868258][ C0] R13: ffffc90000007c10 R14: ffff888075f88140 R15: ffff888075f88140 [ 61.876228][ C0] FS: 0000000000000000(0000) GS:ffff888123b59000(0000) knlGS:0000000000000000 [ 61.885509][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.892128][ C0] CR2: 00007ffd21e26870 CR3: 00000000729f5000 CR4: 00000000003526f0 [ 61.900124][ C0] Call Trace: [ 61.903411][ C0] [ 61.906258][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 61.911235][ C0] ? stack_trace_save+0x8e/0xc0 [ 61.916080][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 61.921497][ C0] ? __pfx___netif_receive_skb_core.constprop.0+0x10/0x10 [ 61.928649][ C0] ? add_lock_to_list+0x9d/0x1d0 [ 61.933588][ C0] ? check_prev_add+0x354/0xe60 [ 61.938449][ C0] ? __lock_acquire+0x5c0/0x1f40 [ 61.943396][ C0] ? process_backlog+0x437/0x1600 [ 61.948446][ C0] __netif_receive_skb_one_core+0xb0/0x1e0 [ 61.954265][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 61.960693][ C0] ? lock_acquire+0x1d1/0x380 [ 61.965379][ C0] ? process_backlog+0x437/0x1600 [ 61.970413][ C0] ? process_backlog+0x437/0x1600 [ 61.975440][ C0] __netif_receive_skb+0x1f/0x120 [ 61.980475][ C0] process_backlog+0x487/0x1600 [ 61.985328][ C0] __napi_poll.constprop.0+0xaf/0x450 [ 61.990726][ C0] net_rx_action+0xa40/0xf20 [ 61.995316][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 62.000465][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 62.005694][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 62.010911][ C0] ? sched_clock+0x3a/0x60 [ 62.015325][ C0] ? sched_clock_cpu+0x6c/0x570 [ 62.020222][ C0] ? mark_held_locks+0x40/0x70 [ 62.025001][ C0] handle_softirqs+0x1e6/0x9d0 [ 62.029821][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 62.035088][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 62.040371][ C0] ? netif_rx+0x65/0xb0 [ 62.044510][ C0] do_softirq+0xaf/0xf0 [ 62.048680][ C0] [ 62.051603][ C0] [ 62.054521][ C0] __local_bh_enable_ip+0xff/0x120 [ 62.059642][ C0] ? netif_rx+0x65/0xb0 [ 62.063806][ C0] netif_rx+0x93/0xb0 [ 62.067809][ C0] slcan_receive_buf+0x1a66/0x1f30 [ 62.072921][ C0] ? __pfx_slcan_receive_buf+0x10/0x10 [ 62.078388][ C0] ? ldsem_down_read_trylock+0x115/0x190 [ 62.084023][ C0] ? ldsem_down_read_trylock+0x11b/0x190 [ 62.089683][ C0] ? __pfx_ldsem_down_read_trylock+0x10/0x10 [ 62.095682][ C0] ? __pfx_slcan_receive_buf+0x10/0x10 [ 62.101160][ C0] tty_ldisc_receive_buf+0x15a/0x1a0 [ 62.106444][ C0] tty_port_default_receive_buf+0x70/0xb0 [ 62.112439][ C0] flush_to_ldisc+0x26b/0x730 [ 62.117140][ C0] ? process_one_work+0x906/0x1b10 [ 62.122312][ C0] process_one_work+0xac7/0x1b10 [ 62.127261][ C0] ? __pfx_process_one_work+0x10/0x10 [ 62.132671][ C0] ? lock_acquire+0x1d1/0x380 [ 62.137362][ C0] ? __pfx_flush_to_ldisc+0x10/0x10 [ 62.142599][ C0] worker_thread+0x5ef/0xe50 [ 62.147211][ C0] ? kthread+0x13a/0x450 [ 62.151505][ C0] ? __pfx_worker_thread+0x10/0x10 [ 62.156626][ C0] kthread+0x373/0x450 [ 62.160730][ C0] ? __pfx_kthread+0x10/0x10 [ 62.165301][ C0] ret_from_fork+0x730/0xd60 [ 62.169891][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 62.174984][ C0] ? __switch_to+0x800/0x10f0 [ 62.179684][ C0] ? __pfx_kthread+0x10/0x10 [ 62.184297][ C0] ret_from_fork_asm+0x1a/0x30 [ 62.189078][ C0] [ 62.192092][ C0] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 62.199349][ C0] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full) [ 62.208601][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 [ 62.218640][ C0] Workqueue: events_unbound flush_to_ldisc [ 62.224447][ C0] Call Trace: [ 62.227717][ C0] [ 62.230545][ C0] dump_stack_lvl+0x100/0x190 [ 62.235207][ C0] vpanic+0x553/0x970 [ 62.239165][ C0] ? __pfx_vpanic+0x10/0x10 [ 62.243648][ C0] panic+0xd1/0xe0 [ 62.247341][ C0] ? __pfx_panic+0x10/0x10 [ 62.252175][ C0] check_panic_on_warn.cold+0x19/0x34 [ 62.257532][ C0] ? __netif_receive_skb_core.constprop.0+0x1706/0x3530 [ 62.264449][ C0] __warn.cold+0x191/0x318 [ 62.268840][ C0] __report_bug+0x30f/0x440 [ 62.273320][ C0] ? __netif_receive_skb_core.constprop.0+0x1706/0x3530 [ 62.280230][ C0] ? __pfx___report_bug+0x10/0x10 [ 62.285242][ C0] ? __kasan_check_byte+0x13/0x50 [ 62.290250][ C0] ? unwind_next_frame+0x3be/0x2090 [ 62.295432][ C0] ? rcu_is_watching+0x13/0xc0 [ 62.300180][ C0] ? __kasan_check_byte+0x13/0x50 [ 62.305192][ C0] ? __kasan_check_byte+0x13/0x50 [ 62.310203][ C0] ? __netif_receive_skb_core.constprop.0+0x1706/0x3530 [ 62.317123][ C0] report_bug+0xb3/0x220 [ 62.321354][ C0] ? __netif_receive_skb_core.constprop.0+0x1706/0x3530 [ 62.328273][ C0] handle_bug+0x16a/0x2a0 [ 62.332599][ C0] exc_invalid_op+0x17/0x50 [ 62.337093][ C0] asm_exc_invalid_op+0x1a/0x20 [ 62.341936][ C0] RIP: 0010:__netif_receive_skb_core.constprop.0+0x1706/0x3530 [ 62.349473][ 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 [ 62.369498][ C0] RSP: 0018:ffffc90000007990 EFLAGS: 00010246 [ 62.375548][ C0] RAX: 0000000000000000 RBX: 0000000000000040 RCX: 0000000000000101 [ 62.383500][ C0] RDX: ffff88801f2a0000 RSI: ffffffff89a02015 RDI: ffff88801f2a0000 [ 62.391454][ C0] RBP: 000000000000ffff R08: 0000000000000003 R09: 000000000000ffff [ 62.399408][ C0] R10: 000000000000ffff R11: 0000000000000001 R12: ffff888075f88140 [ 62.407374][ C0] R13: ffffc90000007c10 R14: ffff888075f88140 R15: ffff888075f88140 [ 62.415333][ C0] ? __netif_receive_skb_core.constprop.0+0x1705/0x3530 [ 62.422260][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 62.427188][ C0] ? stack_trace_save+0x8e/0xc0 [ 62.432022][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 62.437386][ C0] ? __pfx___netif_receive_skb_core.constprop.0+0x10/0x10 [ 62.444485][ C0] ? add_lock_to_list+0x9d/0x1d0 [ 62.449408][ C0] ? check_prev_add+0x354/0xe60 [ 62.454244][ C0] ? __lock_acquire+0x5c0/0x1f40 [ 62.459177][ C0] ? process_backlog+0x437/0x1600 [ 62.464182][ C0] __netif_receive_skb_one_core+0xb0/0x1e0 [ 62.469986][ C0] ? __pfx___netif_receive_skb_one_core+0x10/0x10 [ 62.476386][ C0] ? lock_acquire+0x1d1/0x380 [ 62.481050][ C0] ? process_backlog+0x437/0x1600 [ 62.486057][ C0] ? process_backlog+0x437/0x1600 [ 62.491062][ C0] __netif_receive_skb+0x1f/0x120 [ 62.496069][ C0] process_backlog+0x487/0x1600 [ 62.500907][ C0] __napi_poll.constprop.0+0xaf/0x450 [ 62.506265][ C0] net_rx_action+0xa40/0xf20 [ 62.510848][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 62.515946][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 62.521131][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 62.526317][ C0] ? sched_clock+0x3a/0x60 [ 62.530736][ C0] ? sched_clock_cpu+0x6c/0x570 [ 62.535578][ C0] ? mark_held_locks+0x40/0x70 [ 62.540326][ C0] handle_softirqs+0x1e6/0x9d0 [ 62.545077][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 62.550346][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 62.555615][ C0] ? netif_rx+0x65/0xb0 [ 62.559759][ C0] do_softirq+0xaf/0xf0 [ 62.563909][ C0] [ 62.566835][ C0] [ 62.569767][ C0] __local_bh_enable_ip+0xff/0x120 [ 62.574879][ C0] ? netif_rx+0x65/0xb0 [ 62.579026][ C0] netif_rx+0x93/0xb0 [ 62.582997][ C0] slcan_receive_buf+0x1a66/0x1f30 [ 62.588104][ C0] ? __pfx_slcan_receive_buf+0x10/0x10 [ 62.593549][ C0] ? ldsem_down_read_trylock+0x115/0x190 [ 62.599171][ C0] ? ldsem_down_read_trylock+0x11b/0x190 [ 62.604795][ C0] ? __pfx_ldsem_down_read_trylock+0x10/0x10 [ 62.610768][ C0] ? __pfx_slcan_receive_buf+0x10/0x10 [ 62.616215][ C0] tty_ldisc_receive_buf+0x15a/0x1a0 [ 62.621492][ C0] tty_port_default_receive_buf+0x70/0xb0 [ 62.627200][ C0] flush_to_ldisc+0x26b/0x730 [ 62.631863][ C0] ? process_one_work+0x906/0x1b10 [ 62.636968][ C0] process_one_work+0xac7/0x1b10 [ 62.641905][ C0] ? __pfx_process_one_work+0x10/0x10 [ 62.647267][ C0] ? lock_acquire+0x1d1/0x380 [ 62.651933][ C0] ? __pfx_flush_to_ldisc+0x10/0x10 [ 62.657118][ C0] worker_thread+0x5ef/0xe50 [ 62.661706][ C0] ? kthread+0x13a/0x450 [ 62.665945][ C0] ? __pfx_worker_thread+0x10/0x10 [ 62.671044][ C0] kthread+0x373/0x450 [ 62.675121][ C0] ? __pfx_kthread+0x10/0x10 [ 62.679705][ C0] ret_from_fork+0x730/0xd60 [ 62.684286][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 62.689385][ C0] ? __switch_to+0x800/0x10f0 [ 62.694054][ C0] ? __pfx_kthread+0x10/0x10 [ 62.698637][ C0] ret_from_fork_asm+0x1a/0x30 [ 62.703396][ C0] [ 62.706587][ C0] Kernel Offset: disabled [ 62.710887][ C0] Rebooting in 86400 seconds..