./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2175739148 <...> Warning: Permanently added '10.128.1.98' (ED25519) to the list of known hosts. execve("./syz-executor2175739148", ["./syz-executor2175739148"], 0x7fffd91b4ff0 /* 10 vars */) = 0 brk(NULL) = 0x55556ddc9000 brk(0x55556ddc9d40) = 0x55556ddc9d40 arch_prctl(ARCH_SET_FS, 0x55556ddc93c0) = 0 set_tid_address(0x55556ddc9690) = 282 set_robust_list(0x55556ddc96a0, 24) = 0 rseq(0x55556ddc9ce0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2175739148", 4096) = 28 getrandom("\xec\xcd\x7e\x6f\xa3\xa1\x4e\x7a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556ddc9d40 brk(0x55556ddead40) = 0x55556ddead40 brk(0x55556ddeb000) = 0x55556ddeb000 mprotect(0x7f9ce959d000, 16384, 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, 0executing program ) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("./syzkaller.Q2J32W", 0700) = 0 chmod("./syzkaller.Q2J32W", 0777) = 0 chdir("./syzkaller.Q2J32W") = 0 mkdir("./0", 0777) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556ddc9690) = 283 ./strace-static-x86_64: Process 283 attached [pid 283] set_robust_list(0x55556ddc96a0, 24) = 0 [pid 283] chdir("./0") = 0 [pid 283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 283] setpgid(0, 0) = 0 [pid 283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 283] write(3, "1000", 4) = 4 [pid 283] close(3) = 0 [pid 283] symlink("/dev/binderfs", "./binderfs") = 0 [pid 283] write(1, "executing program\n", 18) = 18 [pid 283] futex(0x7f9ce95a33ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 283] rt_sigaction(SIGRT_1, {sa_handler=0x7f9ce953d640, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f9ce952e7c0}, NULL, 8) = 0 [pid 283] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9ce94b7000 [pid 283] mprotect(0x7f9ce94b8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9ce94d7990, parent_tid=0x7f9ce94d7990, exit_signal=0, stack=0x7f9ce94b7000, stack_size=0x20300, tls=0x7f9ce94d76c0} => {parent_tid=[284]}, 88) = 284 [pid 283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 283] futex(0x7f9ce95a33e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 283] futex(0x7f9ce95a33ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 284 attached [pid 284] set_robust_list(0x7f9ce94d79a0, 24) = 0 [pid 284] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 284] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 284] futex(0x7f9ce95a33ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... futex resumed>) = 0 [pid 283] futex(0x7f9ce95a33e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 283] futex(0x7f9ce95a33ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 284] <... futex resumed>) = 1 [ 144.016537][ T24] audit: type=1400 audit(1752007256.430:64): avc: denied { execmem } for pid=282 comm="syz-executor217" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 144.036929][ T24] audit: type=1400 audit(1752007256.440:65): avc: denied { create } for pid=283 comm="syz-executor217" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [pid 284] sendmsg(3, {msg_name={sa_family=AF_TIPC, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=16, msg_iov=[{iov_base="\xc3\xe9\x72\xbd\x85\xa6\xd8\x41\x36\xd6\xdd\x55\x04\x8d\x35\x93\xa7\x4f\x33\x8c\xe6\x77\x2a\xb9\xa6\xf6\x40\x41\xc2\xf6\xfb\xbe\xcd\xc0\x8e\xbc\xd3\x19\x2b\x6a\x53\x66\x2d\xae\x7c\x8e\x9c\x66\x5e\x80\xa5\xd0\x92\x5f\x72\x8d\xca\xc3\x0c\x29\x79\x39\x92\xe5\x88\x95\x26\x53\xd4\x14\xcb\x8c\xcd\xab\xc3\x87\x67\xfe\xe8\x19\xec\x5a\xf0\xc5\xee\x93\x68\x80\xfe\x85\x49\xb4\xed\x34\x77\x79\xca\xb4\xff\xd4", iov_len=100}, {iov_base="V", iov_len=1}, {iov_base="\x3e\xed\x50\xd0\x12\x57\x19\xa8\x10\xf8\x8e\x3f\x47\x18\x6f\xe4\xda\xe7\x41\x82\xdf\xd1\x09\xa2\x58\x7c\x47\x97\x41\x0c\x9b\x8e\x39\xbd\x3d\x9a\xa1\x44\xd5\x90\x86\x47\xc3\x0c\x8d\xb6\x9b\x5c\x17\x08\x4c\x9b\x1b\xfb\xb8\x68\x07\x37\xc4\xf8\x8a\xbc\xdb\xc7\xd2\x94\xd7\x2a\xb1\xb3\x44\x27\x09\x15\xdf\x9d\xdf\x56\x35\x64\x4c\x35\x1c\x22\xb2\x9d\x94\x8a\xc4\x10\x6b\xce\x71\x07\x57\x0b\xee\xd6\x30\x77"..., iov_len=4096}, {iov_base="\xb7\x68\xeb\x20\x30\x4f\x2f\xdc\x5a\x96\x94\xa4\x86\x78\x40\xd9\x31\x70\xca\x1a\x86\x40\x6f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x04\x00\x00\x00\x20\x00\x00\x64\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x20\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x16\x00\x00"..., iov_len=4294966976}], msg_iovlen=4, msg_controllen=0, msg_flags=MSG_PROBE|MSG_MORE}, 0 [pid 283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 283] futex(0x7f9ce95a33ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 283] futex(0x7f9ce95a33fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f9ce9496000 [pid 283] mprotect(0x7f9ce9497000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 283] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 283] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f9ce94b6990, parent_tid=0x7f9ce94b6990, exit_signal=0, stack=0x7f9ce9496000, stack_size=0x20300, tls=0x7f9ce94b66c0} => {parent_tid=[285]}, 88) = 285 [pid 283] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 283] futex(0x7f9ce95a33f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 283] futex(0x7f9ce95a33fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 285 attached [pid 285] set_robust_list(0x7f9ce94b69a0, 24) = 0 [pid 285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 285] dup2(4, 3) = 3 [pid 285] futex(0x7f9ce95a33fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 283] <... futex resumed>) = 0 [pid 283] futex(0x7f9ce95a33f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 283] futex(0x7f9ce95a33fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 285] futex(0x7f9ce95a33fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 285] futex(0x7f9ce95a33f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 283] <... futex resumed>) = 0 [pid 283] futex(0x7f9ce95a33f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 283] futex(0x7f9ce95a33fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 285] <... futex resumed>) = 0 [pid 285] sendmmsg(3, [{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=0}, {iov_base="\xe8\x1a\xc9\xa4\xbc\x34\x9c\x10\x7e\xf6\xc1\xd5\x04\x90\xa8\x72\xc3\xdb\x14\x7c\xe7\x03\x20\x63\x54\x91\xd8\xf1\x69\xa3\xa0\x25\xe7\x5a\xdd\xef\xa7\x8b\x31\xb6\x29\xd7\xab\x8a\x10\x4f\x9c\xcc\xd8\xb3\x2b\x6c\xe1\xf3\xca\x7e\x7f\xbf\xba\x28\x2b\x24\x86\x8a\x15\xb1\xc0\x08\x56\x57\xd7\xa0\xfb\x42\xe6\xe7\xd0\x9c\xf7\xbb\xe6\xe9\x8b\x2c\x5a\xe0\x62\x01\x75\xe8\x06\xac\x5e\x23\xb4\xea\xad\xa0\x1c\x42"..., iov_len=4096}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}, {iov_base=NULL, iov_len=0}], msg_iovlen=10, msg_controllen=0, msg_flags=0}, msg_len=4096}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=1}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_control=NULL, msg_controllen=13144, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}}], 16, MSG_OOB|MSG_PROBE|MSG_DONTWAIT|MSG_EOR|MSG_FASTOPEN) = 12 [pid 285] futex(0x7f9ce95a33fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 283] <... futex resumed>) = 0 [pid 285] <... futex resumed>) = 1 [ 144.058268][ T24] audit: type=1400 audit(1752007256.440:66): avc: denied { write } for pid=283 comm="syz-executor217" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [ 144.088557][ T24] audit: type=1400 audit(1752007256.500:67): avc: denied { setopt } for pid=283 comm="syz-executor217" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [pid 285] futex(0x7f9ce95a33f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 283] exit_group(0 [pid 285] <... futex resumed>) = ? [pid 283] <... exit_group resumed>) = ? [pid 285] +++ exited with 0 +++ [pid 282] kill(-283, SIGKILL) = 0 [pid 282] kill(283, SIGKILL) = 0 [pid 282] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 282] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 282] getdents64(3, 0x55556ddca730 /* 2 entries */, 32768) = 48 [pid 282] getdents64(3, 0x55556ddca730 /* 0 entries */, 32768) = 0 [pid 282] close(3) = 0 [ 244.125528][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 244.132335][ C1] rcu: 1-....: (1 GPs behind) idle=b0a/1/0x4000000000000000 softirq=1434/1434 fqs=4998 last_accelerate: c2c2/e9d4 dyntick_enabled: 1 [ 244.146078][ C1] (t=10001 jiffies g=837 q=14) [ 244.150970][ C1] NMI backtrace for cpu 1 [ 244.155326][ C1] CPU: 1 PID: 284 Comm: syz-executor217 Not tainted 5.10.238-syzkaller-00008-g59e9a7228857 #0 [ 244.165689][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 244.175825][ C1] Call Trace: [ 244.179123][ C1] [ 244.182018][ C1] __dump_stack+0x21/0x24 [ 244.186398][ C1] dump_stack_lvl+0x169/0x1d8 [ 244.191430][ C1] ? show_regs_print_info+0x18/0x18 [ 244.196845][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 244.202337][ C1] ? _raw_spin_lock+0xe0/0xe0 [ 244.207039][ C1] ? printk+0xcc/0x110 [ 244.211205][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 244.217296][ C1] dump_stack+0x15/0x1c [ 244.221478][ C1] nmi_trigger_cpumask_backtrace+0x27f/0x2c0 [ 244.227502][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 244.233415][ C1] rcu_dump_cpu_stacks+0x19c/0x2c0 [ 244.238647][ C1] rcu_sched_clock_irq+0xf79/0x1870 [ 244.243994][ C1] ? rcutree_dead_cpu+0x2f0/0x2f0 [ 244.249041][ C1] ? hrtimer_run_queues+0x166/0x430 [ 244.254447][ C1] update_process_times+0x198/0x200 [ 244.259671][ C1] tick_sched_timer+0x17c/0x240 [ 244.264827][ C1] ? tick_setup_sched_timer+0x450/0x450 [ 244.270815][ C1] __hrtimer_run_queues+0x37a/0x960 [ 244.276057][ C1] ? hrtimer_interrupt+0xdc0/0xdc0 [ 244.281572][ C1] ? ktime_get_update_offsets_now+0x293/0x2b0 [ 244.287674][ C1] hrtimer_interrupt+0x3a6/0xdc0 [ 244.292840][ C1] ? do_sync_core+0x22/0x30 [ 244.297387][ C1] __sysvec_apic_timer_interrupt+0xfa/0x3f0 [ 244.303306][ C1] asm_call_irq_on_stack+0xf/0x20 [ 244.308367][ C1] [ 244.311360][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 244.317391][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 244.323403][ C1] RIP: 0010:__kasan_check_write+0x15/0x20 [ 244.329415][ C1] Code: d2 e8 bf ed ff ff 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 89 f6 48 8b 4d 08 ba 01 00 00 00 e8 9c ed ff ff 5d 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 53 48 89 [ 244.349111][ C1] RSP: 0018:ffffc90000b96918 EFLAGS: 00000297 [ 244.355391][ C1] RAX: 0000000000000401 RBX: ffffc90000b96df4 RCX: ffffffff8474b67e [ 244.363397][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000b96940 [ 244.371632][ C1] RBP: ffffc90000b969b0 R08: 0000000000000004 R09: 0000000000000003 [ 244.379846][ C1] R10: fffff52000172d28 R11: 1ffff92000172d28 R12: dffffc0000000000 [ 244.388020][ C1] R13: ffffc90000b96df0 R14: ffffc90000b96940 R15: 1ffff92000172d24 [ 244.396033][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 244.401033][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 244.406018][ C1] ? _raw_spin_lock_irq+0xe0/0xe0 [ 244.411067][ C1] ? tipc_sk_rcv+0x1a47/0x1ef0 [ 244.416373][ C1] tipc_sk_rcv+0x221/0x1ef0 [ 244.420909][ C1] ? __stack_depot_save+0x479/0x4c0 [ 244.426505][ C1] ? kasan_set_track+0x5b/0x70 [ 244.431532][ C1] ? kasan_set_track+0x4a/0x70 [ 244.436350][ C1] ? kasan_set_free_info+0x23/0x40 [ 244.441582][ C1] ? ____kasan_slab_free+0x125/0x160 [ 244.446996][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 244.452589][ C1] ? kmem_cache_free+0x100/0x2d0 [ 244.457551][ C1] ? kfree_skbmem+0x10c/0x180 [ 244.462403][ C1] ? kfree_skb+0xc1/0x2f0 [ 244.466806][ C1] ? tipc_msg_reverse+0x698/0x900 [ 244.471886][ C1] ? tipc_node_xmit+0x256/0xcd0 [ 244.476763][ C1] ? tipc_sk_filter_rcv+0x1581/0x3850 [ 244.482169][ C1] ? tipc_node_xmit+0x256/0xcd0 [ 244.487191][ C1] ? tipc_node_distr_xmit+0x292/0x390 [ 244.492587][ C1] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 244.497916][ C1] ? syscall_exit_to_user_mode+0x5b/0x90 [ 244.503660][ C1] ? do_syscall_64+0x3d/0x40 [ 244.508309][ C1] ? __skb_queue_purge+0x170/0x170 [ 244.513543][ C1] tipc_node_xmit+0x256/0xcd0 [ 244.518271][ C1] ? ____kasan_slab_free+0x130/0x160 [ 244.523859][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 244.529435][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 244.535154][ C1] ? kfree_skbmem+0x10c/0x180 [ 244.539946][ C1] ? kmem_cache_free+0x100/0x2d0 [ 244.544930][ C1] tipc_node_xmit_skb+0xe9/0x130 [ 244.549884][ C1] ? kfree_skb+0xc1/0x2f0 [ 244.554328][ C1] ? __skb_queue_purge+0x170/0x170 [ 244.559548][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 244.564946][ C1] tipc_sk_rcv+0x1d77/0x1ef0 [ 244.569574][ C1] ? _raw_spin_unlock+0x4d/0x70 [ 244.574465][ C1] ? __kernel_text_address+0xa0/0x100 [ 244.579868][ C1] ? __skb_queue_purge+0x170/0x170 [ 244.585139][ C1] tipc_node_xmit+0x256/0xcd0 [ 244.589960][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 244.595537][ C1] ? unwind_get_return_address+0x4d/0x90 [ 244.601375][ C1] ? __kasan_check_write+0x14/0x20 [ 244.606721][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 244.612207][ C1] ? _raw_spin_lock+0xe0/0xe0 [ 244.616904][ C1] tipc_sk_filter_rcv+0x1581/0x3850 [ 244.622170][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 244.627022][ C1] ? __kasan_check_write+0x14/0x20 [ 244.632333][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 244.637292][ C1] tipc_sk_rcv+0x7cc/0x1ef0 [ 244.642044][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 244.647886][ C1] ? kmem_cache_free+0x100/0x2d0 [ 244.652852][ C1] ? __skb_queue_purge+0x170/0x170 [ 244.658125][ C1] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 244.663628][ C1] ? ____fput+0x15/0x20 [ 244.667914][ C1] ? task_work_run+0x127/0x190 [ 244.672986][ C1] tipc_node_xmit+0x256/0xcd0 [ 244.677694][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 244.683361][ C1] tipc_node_distr_xmit+0x292/0x390 [ 244.688589][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 244.693813][ C1] ? kfree_skbmem+0x10c/0x180 [ 244.698514][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 244.703673][ C1] ? tipc_sk_timeout+0x970/0x970 [ 244.708750][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 244.714265][ C1] __release_sock+0x146/0x360 [ 244.719196][ C1] release_sock+0x60/0x1b0 [ 244.723642][ C1] tipc_release+0xbd4/0x1490 [ 244.728352][ C1] sock_close+0xe0/0x270 [ 244.732703][ C1] ? sock_mmap+0xa0/0xa0 [ 244.736992][ C1] __fput+0x2fb/0x770 [ 244.741007][ C1] ____fput+0x15/0x20 [ 244.745110][ C1] task_work_run+0x127/0x190 [ 244.749726][ C1] ptrace_notify+0x212/0x250 [ 244.754355][ C1] ? fput+0x1a/0x20 [ 244.758185][ C1] ? __x64_sys_sendmsg+0x24b/0x2a0 [ 244.763412][ C1] ? do_notify_parent+0x7e0/0x7e0 [ 244.768474][ C1] ? ___sys_sendmsg+0x260/0x260 [ 244.773349][ C1] syscall_exit_work+0x6e/0x140 [ 244.778224][ C1] syscall_exit_to_user_mode+0x5b/0x90 [ 244.783848][ C1] do_syscall_64+0x3d/0x40 [ 244.788643][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 244.794559][ C1] RIP: 0033:0x7f9ce95171d9 [ 244.799032][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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 b0 ff ff ff f7 d8 64 89 01 48 [ 244.818904][ C1] RSP: 002b:00007f9ce94d7218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 244.827441][ C1] RAX: 00000000000203a0 RBX: 00007f9ce95a33e8 RCX: 00007f9ce95171d9 [ 244.835730][ C1] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 244.843912][ C1] RBP: 00007f9ce95a33e0 R08: 0000000000000000 R09: 0000000000000000 [ 244.852021][ C1] R10: 00002000000003c0 R11: 0000000000000246 R12: 00007f9ce9570084 [ 244.860273][ C1] R13: 0000200000004b40 R14: 0000200000010dd0 R15: 0000200000010c80 [ 397.103402][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor217:284] [ 397.112262][ C1] Modules linked in: [ 397.116218][ C1] CPU: 1 PID: 284 Comm: syz-executor217 Not tainted 5.10.238-syzkaller-00008-g59e9a7228857 #0 [ 397.126798][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 397.137080][ C1] RIP: 0010:kasan_check_range+0x2/0x290 [ 397.142794][ C1] Code: ee 03 48 01 c6 48 89 c7 e8 eb 50 d2 02 31 c0 5d c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc b0 01 <48> 85 f6 0f 84 a9 01 00 00 55 48 89 e5 41 57 41 56 53 49 89 f8 49 [ 397.163951][ C1] RSP: 0018:ffffc90000b969a8 EFLAGS: 00000283 [ 397.170232][ C1] RAX: 0000000000000001 RBX: ffffc90000b96de0 RCX: ffffffff845a16f1 [ 397.178466][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88811f498a80 [ 397.186718][ C1] RBP: ffffc90000b969b0 R08: dffffc0000000000 R09: ffffed1023e93152 [ 397.195771][ C1] R10: ffffed1023e93152 R11: 1ffff11023e93151 R12: dffffc0000000000 [ 397.203948][ C1] R13: ffff88811f498a00 R14: 0000000000000000 R15: 0000000003e82e89 [ 397.211962][ C1] FS: 00007f9ce94d76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 397.221135][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 397.227977][ C1] CR2: 00007f9ce94b6d58 CR3: 00000001063e9000 CR4: 00000000003506a0 [ 397.235972][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 397.243979][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 397.252471][ C1] Call Trace: [ 397.255802][ C1] ? __kasan_check_write+0x14/0x20 [ 397.261029][ C1] tipc_sk_rcv+0x19d1/0x1ef0 [ 397.265839][ C1] ? __stack_depot_save+0x479/0x4c0 [ 397.271361][ C1] ? kasan_set_track+0x5b/0x70 [ 397.276210][ C1] ? kasan_set_track+0x4a/0x70 [ 397.281015][ C1] ? kasan_set_free_info+0x23/0x40 [ 397.286257][ C1] ? ____kasan_slab_free+0x125/0x160 [ 397.291570][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 397.297258][ C1] ? kmem_cache_free+0x100/0x2d0 [ 397.302324][ C1] ? kfree_skbmem+0x10c/0x180 [ 397.307449][ C1] ? kfree_skb+0xc1/0x2f0 [ 397.311803][ C1] ? tipc_msg_reverse+0x698/0x900 [ 397.316877][ C1] ? tipc_node_xmit+0x256/0xcd0 [ 397.321823][ C1] ? tipc_sk_filter_rcv+0x1581/0x3850 [ 397.327252][ C1] ? tipc_node_xmit+0x256/0xcd0 [ 397.332224][ C1] ? tipc_node_distr_xmit+0x292/0x390 [ 397.337617][ C1] ? tipc_sk_backlog_rcv+0x16f/0x1f0 [ 397.343019][ C1] ? syscall_exit_to_user_mode+0x5b/0x90 [ 397.348873][ C1] ? do_syscall_64+0x3d/0x40 [ 397.353666][ C1] ? __skb_queue_purge+0x170/0x170 [ 397.358973][ C1] tipc_node_xmit+0x256/0xcd0 [ 397.363694][ C1] ? ____kasan_slab_free+0x130/0x160 [ 397.369024][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 397.374692][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 397.380282][ C1] ? kfree_skbmem+0x10c/0x180 [ 397.385212][ C1] ? kmem_cache_free+0x100/0x2d0 [ 397.390581][ C1] tipc_node_xmit_skb+0xe9/0x130 [ 397.395567][ C1] ? kfree_skb+0xc1/0x2f0 [ 397.400040][ C1] ? __skb_queue_purge+0x170/0x170 [ 397.405274][ C1] ? trace_tipc_sk_rej_msg+0x2c/0x6d0 [ 397.410685][ C1] tipc_sk_rcv+0x1d77/0x1ef0 [ 397.415486][ C1] ? _raw_spin_unlock+0x4d/0x70 [ 397.420408][ C1] ? __kernel_text_address+0xa0/0x100 [ 397.425830][ C1] ? __skb_queue_purge+0x170/0x170 [ 397.431108][ C1] tipc_node_xmit+0x256/0xcd0 [ 397.435828][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 397.441454][ C1] ? unwind_get_return_address+0x4d/0x90 [ 397.447243][ C1] ? __kasan_check_write+0x14/0x20 [ 397.452377][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 397.457879][ C1] ? _raw_spin_lock+0xe0/0xe0 [ 397.462586][ C1] tipc_sk_filter_rcv+0x1581/0x3850 [ 397.467830][ C1] ? tipc_sk_dump+0xfc0/0xfc0 [ 397.472534][ C1] ? __kasan_check_write+0x14/0x20 [ 397.477672][ C1] ? _raw_spin_lock_bh+0x8e/0xe0 [ 397.482628][ C1] tipc_sk_rcv+0x7cc/0x1ef0 [ 397.487146][ C1] ? slab_free_freelist_hook+0xc5/0x190 [ 397.492711][ C1] ? kmem_cache_free+0x100/0x2d0 [ 397.497671][ C1] ? __skb_queue_purge+0x170/0x170 [ 397.502883][ C1] ? tipc_sk_filter_rcv+0x3034/0x3850 [ 397.508265][ C1] ? ____fput+0x15/0x20 [ 397.512486][ C1] ? task_work_run+0x127/0x190 [ 397.517270][ C1] tipc_node_xmit+0x256/0xcd0 [ 397.522302][ C1] ? tipc_node_get_linkname+0x1a0/0x1a0 [ 397.527964][ C1] tipc_node_distr_xmit+0x292/0x390 [ 397.533341][ C1] ? tipc_node_xmit_skb+0x130/0x130 [ 397.538563][ C1] ? kfree_skbmem+0x10c/0x180 [ 397.543264][ C1] tipc_sk_backlog_rcv+0x16f/0x1f0 [ 397.548397][ C1] ? tipc_sk_timeout+0x970/0x970 [ 397.553380][ C1] ? _raw_spin_lock_irqsave+0xb0/0x110 [ 397.559008][ C1] __release_sock+0x146/0x360 [ 397.564167][ C1] release_sock+0x60/0x1b0 [ 397.568634][ C1] tipc_release+0xbd4/0x1490 [ 397.573269][ C1] sock_close+0xe0/0x270 [ 397.577725][ C1] ? sock_mmap+0xa0/0xa0 [ 397.582001][ C1] __fput+0x2fb/0x770 [ 397.586012][ C1] ____fput+0x15/0x20 [ 397.590262][ C1] task_work_run+0x127/0x190 [ 397.594891][ C1] ptrace_notify+0x212/0x250 [ 397.599503][ C1] ? fput+0x1a/0x20 [ 397.603364][ C1] ? __x64_sys_sendmsg+0x24b/0x2a0 [ 397.608655][ C1] ? do_notify_parent+0x7e0/0x7e0 [ 397.613700][ C1] ? ___sys_sendmsg+0x260/0x260 [ 397.618662][ C1] syscall_exit_work+0x6e/0x140 [ 397.623535][ C1] syscall_exit_to_user_mode+0x5b/0x90 [ 397.629117][ C1] do_syscall_64+0x3d/0x40 [ 397.633577][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 397.639656][ C1] RIP: 0033:0x7f9ce95171d9 [ 397.644107][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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 b0 ff ff ff f7 d8 64 89 01 48 [ 397.664396][ C1] RSP: 002b:00007f9ce94d7218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 397.672913][ C1] RAX: 00000000000203a0 RBX: 00007f9ce95a33e8 RCX: 00007f9ce95171d9 [ 397.681020][ C1] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 [ 397.689049][ C1] RBP: 00007f9ce95a33e0 R08: 0000000000000000 R09: 0000000000000000 [ 397.697378][ C1] R10: 00002000000003c0 R11: 0000000000000246 R12: 00007f9ce9570084 [ 397.705375][ C1] R13: 0000200000004b40 R14: 0000200000010dd0 R15: 0000200000010c80 [ 397.725976][ T24] audit: type=1400 audit(1752007510.130:68): avc: denied { read } for pid=76 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 397.756419][ T24] audit: type=1400 audit(1752007510.130:69): avc: denied { search } for pid=76 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 397.778183][ T24] audit: type=1400 audit(1752007510.130:70): avc: denied { write } for pid=76 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 397.799663][ T24] audit: type=1400 audit(1752007510.130:71): avc: denied { add_name } for pid=76 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 397.820809][ T24] audit: type=1400 audit(1752007510.130:72): avc: denied { create } for pid=76 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 397.841725][ T24] audit: type=1400 audit(1752007510.130:73): avc: denied { append open } for pid=76 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 397.864960][ T24] audit: type=1400 audit(1752007510.130:74): avc: denied { getattr } for pid=76 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1