./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2120025584 <...> Warning: Permanently added '10.128.1.57' (ECDSA) to the list of known hosts. execve("./syz-executor2120025584", ["./syz-executor2120025584"], 0x7ffd2b05a960 /* 10 vars */) = 0 brk(NULL) = 0x55555585f000 brk(0x55555585fc40) = 0x55555585fc40 arch_prctl(ARCH_SET_FS, 0x55555585f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2120025584", 4096) = 28 brk(0x555555880c40) = 0x555555880c40 brk(0x555555881000) = 0x555555881000 mprotect(0x7f19d53ef000, 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./strace-static-x86_64: Process 3610 attached , child_tidptr=0x55555585f5d0) = 3610 [pid 3610] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3610] setsid() = 1 [pid 3610] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3610] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3610] unshare(CLONE_NEWNS) = 0 [pid 3610] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3610] unshare(CLONE_NEWIPC) = 0 [pid 3610] unshare(CLONE_NEWCGROUP) = 0 [pid 3610] unshare(CLONE_NEWUTS) = 0 [pid 3610] unshare(CLONE_SYSVSEM) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "16777216", 8) = 8 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "536870912", 9) = 9 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "8192", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3610] close(3) = 0 [pid 3610] getpid() = 1 [pid 3610] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 83 fb 0a 0f 86 c8 fd ff ff 31 db 48 c7 44 24 20 0e 36 e0 45 [ 45.927211][ T3610] RSP: 0018:ffffc9000301f760 EFLAGS: 00010246 [ 45.933343][ T3610] RAX: ffffc9000301f7c0 RBX: 0000000000000012 RCX: 0000000000000000 [ 45.941534][ T3610] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc9000301f7e8 [ 45.949572][ T3610] RBP: ffffc9000301f880 R08: dffffc0000000000 R09: ffffc9000301f7c0 [ 45.958575][ T3610] R10: fffff52000603efd R11: 1ffff92000603ef8 R12: 0000000000060a20 [ 45.966634][ T3610] R13: 1ffff92000603ef4 R14: dffffc0000000000 R15: 1ffff92000603ef0 [ 45.975187][ T3610] FS: 000055555585f300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 45.985360][ T3610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.992209][ T3610] CR2: 0000562942f20078 CR3: 000000001cae5000 CR4: 00000000003506e0 [ 46.001096][ T3610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.009302][ T3610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.017491][ T3610] Call Trace: [ 46.020830][ T3610] [ 46.023766][ T3610] ? __rmqueue_pcplist+0x1d20/0x1d20 [ 46.029550][ T3610] ? tun_napi_alloc_frags+0x1af/0xb60 [ 46.034958][ T3610] ? rcu_read_lock_sched_held+0x89/0x130 [ 46.040855][ T3610] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 46.046867][ T3610] ? tun_napi_alloc_frags+0x1af/0xb60 [ 46.052699][ T3610] kmalloc_large_node+0x7c/0x180 [ 46.057875][ T3610] ? tun_napi_alloc_frags+0x1af/0xb60 [ 46.063275][ T3610] ? tun_napi_alloc_frags+0x1af/0xb60 [ 46.069530][ T3610] __kmalloc_node_track_caller+0x2ee/0x3f0 [ 46.075371][ T3610] ? tun_napi_alloc_frags+0x1af/0xb60 [ 46.081351][ T3610] pskb_expand_head+0x2a6/0x1220 [ 46.086321][ T3610] ? local_bh_enable+0x5/0x20 [ 46.091139][ T3610] ? _local_bh_enable+0xa0/0xa0 [ 46.096358][ T3610] ? napi_get_frags+0xb5/0x140 [ 46.101423][ T3610] tun_napi_alloc_frags+0x1af/0xb60 [ 46.106704][ T3610] tun_get_user+0x9ca/0x2540 [ 46.111562][ T3610] ? tun_ring_recv+0xcc0/0xcc0 [ 46.116358][ T3610] ? __lock_acquire+0x1f80/0x1f80 [ 46.121800][ T3610] tun_chr_write_iter+0x10a/0x1e0 [ 46.126861][ T3610] vfs_write+0xa22/0xd40 [ 46.135408][ T3610] ? _raw_spin_lock_irqsave+0x120/0x120 [ 46.141147][ T3610] ? file_end_write+0x230/0x230 [ 46.146054][ T3610] ? print_irqtrace_events+0x220/0x220 [ 46.151692][ T3610] ? _raw_spin_unlock_irq+0x2a/0x40 [ 46.156935][ T3610] ? __fdget_pos+0x1d2/0x2e0 [ 46.161826][ T3610] ksys_write+0x19b/0x2c0 [ 46.166179][ T3610] ? print_irqtrace_events+0x220/0x220 [ 46.172505][ T3610] ? __ia32_sys_read+0x80/0x80 [ 46.178032][ T3610] ? syscall_enter_from_user_mode+0x2e/0x1a0 [ 46.184119][ T3610] ? syscall_enter_from_user_mode+0x86/0x1a0 [ 46.190156][ T3610] do_syscall_64+0x2b/0x70 [ 46.194588][ T3610] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 46.200861][ T3610] RIP: 0033:0x7f19d537b3d9 [ 46.205308][ T3610] 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 [ 46.227505][ T3610] RSP: 002b:00007ffe73ace008 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.236170][ T3610] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f19d537b3d9 [ 46.245184][ T3610] RDX: 000000002000fd85 RSI: 0000000020000040 RDI: 0000000000000003 [ 46.253302][ T3610] RBP: 00007ffe73ace020 R08: 0000000000000001 R09: 0000000000000000 [ 46.261613][ T3610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.269688][ T3610] R13: 00007ffe73ace040 R14: 0000000000000003 R15: 0000000000000000 [ 46.278124][ T3610] [ 46.282378][ T3610] Kernel panic - not syncing: panic_on_warn set ... [ 46.288973][ T3610] CPU: 0 PID: 3610 Comm: syz-executor212 Not tainted 5.19.0-rc5-syzkaller-00105-g9f09069cde34 #0 [ 46.299484][ T3610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 46.309549][ T3610] Call Trace: [ 46.312821][ T3610] [ 46.315746][ T3610] dump_stack_lvl+0x1e3/0x2cb [ 46.320423][ T3610] ? bfq_pos_tree_add_move+0x436/0x436 [ 46.325875][ T3610] ? panic+0x76e/0x76e [ 46.329951][ T3610] ? vscnprintf+0x59/0x80 [ 46.334287][ T3610] ? __alloc_pages+0x2f0/0x560 [ 46.339057][ T3610] panic+0x312/0x76e [ 46.343081][ T3610] ? __warn+0x131/0x220 [ 46.347238][ T3610] ? fb_is_primary_device+0xcc/0xcc [ 46.352442][ T3610] ? __alloc_pages+0x30a/0x560 [ 46.357204][ T3610] __warn+0x1fa/0x220 [ 46.361218][ T3610] ? __alloc_pages+0x30a/0x560 [ 46.365980][ T3610] report_bug+0x1b3/0x2d0 [ 46.370309][ T3610] handle_bug+0x3d/0x70 [ 46.374460][ T3610] exc_invalid_op+0x16/0x40 [ 46.378979][ T3610] asm_exc_invalid_op+0x1b/0x20 [ 46.383828][ T3610] RIP: 0010:__alloc_pages+0x30a/0x560 [ 46.389200][ T3610] Code: 5c 24 04 0f 85 f3 00 00 00 44 89 e1 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cc 41 89 cc e9 e3 00 00 00 c6 05 50 ab 21 0c 01 <0f> 0b 83 fb 0a 0f 86 c8 fd ff ff 31 db 48 c7 44 24 20 0e 36 e0 45 [ 46.408804][ T3610] RSP: 0018:ffffc9000301f760 EFLAGS: 00010246 [ 46.414867][ T3610] RAX: ffffc9000301f7c0 RBX: 0000000000000012 RCX: 0000000000000000 [ 46.422917][ T3610] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc9000301f7e8 [ 46.430880][ T3610] RBP: ffffc9000301f880 R08: dffffc0000000000 R09: ffffc9000301f7c0 [ 46.438845][ T3610] R10: fffff52000603efd R11: 1ffff92000603ef8 R12: 0000000000060a20 [ 46.446808][ T3610] R13: 1ffff92000603ef4 R14: dffffc0000000000 R15: 1ffff92000603ef0 [ 46.454794][ T3610] ? __rmqueue_pcplist+0x1d20/0x1d20 [ 46.460087][ T3610] ? tun_napi_alloc_frags+0x1af/0xb60 [ 46.465455][ T3610] ? rcu_read_lock_sched_held+0x89/0x130 [ 46.471124][ T3610] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 46.477124][ T3610] ? tun_napi_alloc_frags+0x1af/0xb60 [ 46.482493][ T3610] kmalloc_large_node+0x7c/0x180 [ 46.487427][ T3610] ? tun_napi_alloc_frags+0x1af/0xb60 [ 46.492793][ T3610] ? tun_napi_alloc_frags+0x1af/0xb60 [ 46.498160][ T3610] __kmalloc_node_track_caller+0x2ee/0x3f0 [ 46.503965][ T3610] ? tun_napi_alloc_frags+0x1af/0xb60 [ 46.509328][ T3610] pskb_expand_head+0x2a6/0x1220 [ 46.514276][ T3610] ? local_bh_enable+0x5/0x20 [ 46.518949][ T3610] ? _local_bh_enable+0xa0/0xa0 [ 46.523848][ T3610] ? napi_get_frags+0xb5/0x140 [ 46.528613][ T3610] tun_napi_alloc_frags+0x1af/0xb60 [ 46.533819][ T3610] tun_get_user+0x9ca/0x2540 [ 46.538422][ T3610] ? tun_ring_recv+0xcc0/0xcc0 [ 46.543178][ T3610] ? __lock_acquire+0x1f80/0x1f80 [ 46.548235][ T3610] tun_chr_write_iter+0x10a/0x1e0 [ 46.553260][ T3610] vfs_write+0xa22/0xd40 [ 46.557503][ T3610] ? _raw_spin_lock_irqsave+0x120/0x120 [ 46.563052][ T3610] ? file_end_write+0x230/0x230 [ 46.567902][ T3610] ? print_irqtrace_events+0x220/0x220 [ 46.573369][ T3610] ? _raw_spin_unlock_irq+0x2a/0x40 [ 46.578568][ T3610] ? __fdget_pos+0x1d2/0x2e0 [ 46.583162][ T3610] ksys_write+0x19b/0x2c0 [ 46.587490][ T3610] ? print_irqtrace_events+0x220/0x220 [ 46.592958][ T3610] ? __ia32_sys_read+0x80/0x80 [ 46.597720][ T3610] ? syscall_enter_from_user_mode+0x2e/0x1a0 [ 46.603705][ T3610] ? syscall_enter_from_user_mode+0x86/0x1a0 [ 46.609681][ T3610] do_syscall_64+0x2b/0x70 [ 46.614105][ T3610] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 46.620031][ T3610] RIP: 0033:0x7f19d537b3d9 [ 46.624464][ T3610] 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 [ 46.644066][ T3610] RSP: 002b:00007ffe73ace008 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.652479][ T3610] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f19d537b3d9 [ 46.660495][ T3610] RDX: 000000002000fd85 RSI: 0000000020000040 RDI: 0000000000000003 [ 46.668549][ T3610] RBP: 00007ffe73ace020 R08: 0000000000000001 R09: 0000000000000000 [ 46.676516][ T3610] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.684481][ T3610] R13: 00007ffe73ace040 R14: 0000000000000003 R15: 0000000000000000 [ 46.692461][ T3610] [ 46.695830][ T3610] Kernel Offset: disabled [ 46.700234][ T3610] Rebooting in 86400 seconds..