./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4206439886 <...> Warning: Permanently added '10.128.1.15' (ECDSA) to the list of known hosts. execve("./syz-executor4206439886", ["./syz-executor4206439886"], 0x7ffe9f2e8a20 /* 10 vars */) = 0 brk(NULL) = 0x555556412000 brk(0x555556412c40) = 0x555556412c40 arch_prctl(ARCH_SET_FS, 0x555556412300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor4206439886", 4096) = 28 brk(0x555556433c40) = 0x555556433c40 brk(0x555556434000) = 0x555556434000 mprotect(0x7f0e29a3b000, 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 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555564125d0) = 3608 ./strace-static-x86_64: Process 3608 attached [pid 3608] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3608] setsid() = 1 [pid 3608] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3608] unshare(CLONE_NEWNS) = 0 [pid 3608] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3608] unshare(CLONE_NEWIPC) = 0 [pid 3608] unshare(CLONE_NEWCGROUP) = 0 [pid 3608] unshare(CLONE_NEWUTS) = 0 [pid 3608] unshare(CLONE_SYSVSEM) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "16777216", 8) = 8 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "536870912", 9) = 9 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "8192", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3608] close(3) = 0 [pid 3608] getpid() = 1 [pid 3608] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 45 31 f6 e9 8d fe ff ff 65 ff 05 61 f1 45 7e 48 c7 c0 60 75 [ 45.326409][ T3608] RSP: 0018:ffffc90002f9f8e0 EFLAGS: 00010246 [ 45.332749][ T3608] RAX: 0000000000000000 RBX: 1ffff920005f3f1d RCX: 0000000000000000 [ 45.340767][ T3608] RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000000 [ 45.349009][ T3608] RBP: 0000000000060a20 R08: 0000000000000001 R09: 0000000000000000 [ 45.357640][ T3608] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000012 [ 45.366018][ T3608] R13: 0000000000000000 R14: 0000000000000012 R15: 0000000000000000 [ 45.374436][ T3608] FS: 0000555556412300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 45.383737][ T3608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.390363][ T3608] CR2: 00007f6e643a8300 CR3: 00000000711fc000 CR4: 0000000000350ee0 [ 45.398535][ T3608] Call Trace: [ 45.403320][ T3608] [ 45.406336][ T3608] ? __alloc_pages_slowpath.constprop.0+0x2160/0x2160 [ 45.413817][ T3608] ? rcu_read_lock_sched_held+0x3a/0x70 [ 45.419381][ T3608] ? trace_contention_end+0xea/0x150 [ 45.424784][ T3608] kmalloc_large_node+0x62/0x130 [ 45.429790][ T3608] __kmalloc_node_track_caller+0x2ec/0x360 [ 45.435991][ T3608] ? tun_get_user+0x1ef8/0x3b00 [ 45.440906][ T3608] ? __build_skb_around+0x274/0x340 [ 45.446632][ T3608] pskb_expand_head+0xf23/0x1070 [ 45.451575][ T3608] ? __local_bh_enable_ip+0xa0/0x120 [ 45.457591][ T3608] tun_get_user+0x1ef8/0x3b00 [ 45.462762][ T3608] ? tun_build_skb+0x1170/0x1170 [ 45.467870][ T3608] ? lock_downgrade+0x6e0/0x6e0 [ 45.473143][ T3608] tun_chr_write_iter+0xdb/0x200 [ 45.478118][ T3608] new_sync_write+0x38a/0x560 [ 45.483765][ T3608] ? new_sync_read+0x5f0/0x5f0 [ 45.488523][ T3608] ? rwlock_bug.part.0+0x90/0x90 [ 45.493530][ T3608] ? _raw_spin_lock_irq+0x41/0x50 [ 45.498579][ T3608] ? bpf_lsm_file_permission+0x5/0x10 [ 45.504143][ T3608] ? security_file_permission+0xab/0xd0 [ 45.509770][ T3608] vfs_write+0x7c0/0xac0 [ 45.514363][ T3608] ksys_write+0x127/0x250 [ 45.518735][ T3608] ? __ia32_sys_read+0xb0/0xb0 [ 45.523756][ T3608] ? lockdep_hardirqs_on+0x79/0x100 [ 45.528980][ T3608] ? _raw_spin_unlock_irq+0x2a/0x40 [ 45.534609][ T3608] ? ptrace_notify+0xfa/0x140 [ 45.539356][ T3608] do_syscall_64+0x35/0xb0 [ 45.543989][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.549933][ T3608] RIP: 0033:0x7f0e299c7509 [ 45.554635][ T3608] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 45.574542][ T3608] RSP: 002b:00007ffdb88b3fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.583658][ T3608] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0e299c7509 [ 45.591948][ T3608] RDX: 000000002000032a RSI: 0000000020000300 RDI: 0000000000000003 [ 45.599970][ T3608] RBP: 00007ffdb88b3ff0 R08: 0000000000000001 R09: 0000000000000000 [ 45.608206][ T3608] R10: 000000000000f0ff R11: 0000000000000246 R12: 0000000000000004 [ 45.616567][ T3608] R13: 00007ffdb88b4010 R14: 0000000000000003 R15: 0000000000000000 [ 45.624700][ T3608] [ 45.627729][ T3608] Kernel panic - not syncing: panic_on_warn set ... [ 45.634311][ T3608] CPU: 1 PID: 3608 Comm: syz-executor420 Not tainted 5.19.0-rc7-syzkaller-00007-g353f7988dd84 #0 [ 45.644812][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 45.654938][ T3608] Call Trace: [ 45.658199][ T3608] [ 45.661111][ T3608] dump_stack_lvl+0xcd/0x134 [ 45.665696][ T3608] panic+0x2d7/0x636 [ 45.669593][ T3608] ? panic_print_sys_info.part.0+0x10b/0x10b [ 45.675563][ T3608] ? __warn.cold+0x1d1/0x2c5 [ 45.680136][ T3608] ? __alloc_pages+0x39e/0x510 [ 45.684883][ T3608] __warn.cold+0x1e2/0x2c5 [ 45.689281][ T3608] ? __alloc_pages+0x39e/0x510 [ 45.694042][ T3608] report_bug+0x1bc/0x210 [ 45.698358][ T3608] handle_bug+0x3c/0x60 [ 45.702494][ T3608] exc_invalid_op+0x14/0x40 [ 45.706977][ T3608] asm_exc_invalid_op+0x16/0x20 [ 45.711825][ T3608] RIP: 0010:__alloc_pages+0x39e/0x510 [ 45.717183][ T3608] Code: ff ff 00 0f 84 33 fe ff ff 80 ce 01 e9 2b fe ff ff 83 fe 0a 0f 86 3e fd ff ff 80 3d c7 6b ea 0b 00 75 09 c6 05 be 6b ea 0b 01 <0f> 0b 45 31 f6 e9 8d fe ff ff 65 ff 05 61 f1 45 7e 48 c7 c0 60 75 [ 45.736862][ T3608] RSP: 0018:ffffc90002f9f8e0 EFLAGS: 00010246 [ 45.742912][ T3608] RAX: 0000000000000000 RBX: 1ffff920005f3f1d RCX: 0000000000000000 [ 45.750860][ T3608] RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000000 [ 45.758811][ T3608] RBP: 0000000000060a20 R08: 0000000000000001 R09: 0000000000000000 [ 45.766761][ T3608] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000012 [ 45.774727][ T3608] R13: 0000000000000000 R14: 0000000000000012 R15: 0000000000000000 [ 45.782686][ T3608] ? __alloc_pages_slowpath.constprop.0+0x2160/0x2160 [ 45.789451][ T3608] ? rcu_read_lock_sched_held+0x3a/0x70 [ 45.794978][ T3608] ? trace_contention_end+0xea/0x150 [ 45.800247][ T3608] kmalloc_large_node+0x62/0x130 [ 45.805170][ T3608] __kmalloc_node_track_caller+0x2ec/0x360 [ 45.810960][ T3608] ? tun_get_user+0x1ef8/0x3b00 [ 45.815792][ T3608] ? __build_skb_around+0x274/0x340 [ 45.820972][ T3608] pskb_expand_head+0xf23/0x1070 [ 45.825891][ T3608] ? __local_bh_enable_ip+0xa0/0x120 [ 45.831157][ T3608] tun_get_user+0x1ef8/0x3b00 [ 45.835821][ T3608] ? tun_build_skb+0x1170/0x1170 [ 45.840738][ T3608] ? lock_downgrade+0x6e0/0x6e0 [ 45.845575][ T3608] tun_chr_write_iter+0xdb/0x200 [ 45.850488][ T3608] new_sync_write+0x38a/0x560 [ 45.855150][ T3608] ? new_sync_read+0x5f0/0x5f0 [ 45.859892][ T3608] ? rwlock_bug.part.0+0x90/0x90 [ 45.864803][ T3608] ? _raw_spin_lock_irq+0x41/0x50 [ 45.869815][ T3608] ? bpf_lsm_file_permission+0x5/0x10 [ 45.875166][ T3608] ? security_file_permission+0xab/0xd0 [ 45.880694][ T3608] vfs_write+0x7c0/0xac0 [ 45.884921][ T3608] ksys_write+0x127/0x250 [ 45.889230][ T3608] ? __ia32_sys_read+0xb0/0xb0 [ 45.893971][ T3608] ? lockdep_hardirqs_on+0x79/0x100 [ 45.899170][ T3608] ? _raw_spin_unlock_irq+0x2a/0x40 [ 45.904352][ T3608] ? ptrace_notify+0xfa/0x140 [ 45.909011][ T3608] do_syscall_64+0x35/0xb0 [ 45.913410][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.919283][ T3608] RIP: 0033:0x7f0e299c7509 [ 45.923678][ T3608] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 45.943278][ T3608] RSP: 002b:00007ffdb88b3fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.951690][ T3608] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0e299c7509 [ 45.959671][ T3608] RDX: 000000002000032a RSI: 0000000020000300 RDI: 0000000000000003 [ 45.967623][ T3608] RBP: 00007ffdb88b3ff0 R08: 0000000000000001 R09: 0000000000000000 [ 45.975575][ T3608] R10: 000000000000f0ff R11: 0000000000000246 R12: 0000000000000004 [ 45.983786][ T3608] R13: 00007ffdb88b4010 R14: 0000000000000003 R15: 0000000000000000 [ 45.991764][ T3608] [ 45.995618][ T3608] Kernel Offset: disabled [ 46.000012][ T3608] Rebooting in 86400 seconds..