./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor586686464 <...> Warning: Permanently added '10.128.1.138' (ED25519) to the list of known hosts. execve("./syz-executor586686464", ["./syz-executor586686464"], 0x7ffee1a3b420 /* 10 vars */) = 0 brk(NULL) = 0x55555845d000 brk(0x55555845dd00) = 0x55555845dd00 arch_prctl(ARCH_SET_FS, 0x55555845d380) = 0 set_tid_address(0x55555845d650) = 5088 set_robust_list(0x55555845d660, 24) = 0 rseq(0x55555845dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor586686464", 4096) = 27 getrandom("\x77\x07\xc3\x13\x1a\xe3\xef\x34", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555845dd00 brk(0x55555847ed00) = 0x55555847ed00 brk(0x55555847f000) = 0x55555847f000 mprotect(0x7f33b3a48000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555845d650) = 5089 ./strace-static-x86_64: Process 5089 attached [pid 5089] set_robust_list(0x55555845d660, 24) = 0 [pid 5089] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5089] setsid() = 1 [pid 5089] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5089] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5089] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5089] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5089] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5089] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5089] unshare(CLONE_NEWNS) = 0 [pid 5089] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5089] unshare(CLONE_NEWIPC) = 0 [pid 5089] unshare(CLONE_NEWCGROUP) = 0 [pid 5089] unshare(CLONE_NEWUTS) = 0 [pid 5089] unshare(CLONE_SYSVSEM) = 0 [pid 5089] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "16777216", 8) = 8 [pid 5089] close(3) = 0 [pid 5089] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "536870912", 9) = 9 [pid 5089] close(3) = 0 [pid 5089] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1024", 4) = 4 [pid 5089] close(3) = 0 [pid 5089] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "8192", 4) = 4 [pid 5089] close(3) = 0 [pid 5089] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1024", 4) = 4 [pid 5089] close(3) = 0 [pid 5089] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1024", 4) = 4 [pid 5089] close(3) = 0 [pid 5089] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5089] close(3) = 0 [pid 5089] getpid() = 1 [pid 5089] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 59 fe ff ff e8 b7 6a 97 f7 90 0f 0b 90 e9 e6 fe ff ff [ 73.406071][ T5089] RSP: 0018:ffffc900036efc38 EFLAGS: 00010293 [ 73.412282][ T5089] RAX: ffffffff89fec56b RBX: 0000000000000000 RCX: ffff88807ba80000 [ 73.420887][ T5089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.429021][ T5089] RBP: 0000000000000004 R08: ffffffff89fec3bc R09: 1ffffffff25f42c7 [ 73.437465][ T5089] R10: dffffc0000000000 R11: fffffbfff25f42c8 R12: ffff888066a1f800 [ 73.445715][ T5089] R13: 1ffff920006ddfcc R14: ffff888066a90c00 R15: ffff88802d681a00 [ 73.454578][ T5089] FS: 000055555845d380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 73.463652][ T5089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.470339][ T5089] CR2: 0000000020000044 CR3: 000000007a52e000 CR4: 00000000003506f0 [ 73.478401][ T5089] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.486504][ T5089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.495009][ T5089] Call Trace: [ 73.498297][ T5089] [ 73.501253][ T5089] ? __warn+0x163/0x4e0 [ 73.505593][ T5089] ? __inet_accept+0x22c/0x2e0 [ 73.510459][ T5089] ? report_bug+0x2b3/0x500 [ 73.515383][ T5089] ? __inet_accept+0x22c/0x2e0 [ 73.520208][ T5089] ? handle_bug+0x3e/0x70 [ 73.524787][ T5089] ? exc_invalid_op+0x1a/0x50 [ 73.529511][ T5089] ? asm_exc_invalid_op+0x1a/0x20 [ 73.534612][ T5089] ? __inet_accept+0x7c/0x2e0 [ 73.539307][ T5089] ? __inet_accept+0x22b/0x2e0 [ 73.544173][ T5089] ? __inet_accept+0x22c/0x2e0 [ 73.549150][ T5089] ? __inet_accept+0x22b/0x2e0 [ 73.554056][ T5089] inet_accept+0xdf/0x150 [ 73.558456][ T5089] do_accept+0x4bf/0x6c0 [ 73.562792][ T5089] ? __pfx_do_accept+0x10/0x10 [ 73.567781][ T5089] __sys_accept4+0x11e/0x1c0 [ 73.572762][ T5089] ? __pfx___sys_accept4+0x10/0x10 [ 73.578450][ T5089] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 73.584986][ T5089] ? do_syscall_64+0x102/0x240 [ 73.589785][ T5089] __x64_sys_accept+0x7d/0x90 [ 73.594856][ T5089] do_syscall_64+0xf5/0x240 [ 73.599547][ T5089] ? clear_bhb_loop+0x35/0x90 [ 73.604346][ T5089] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.610276][ T5089] RIP: 0033:0x7f33b39d0459 [ 73.614993][ T5089] Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48 [ 73.635543][ T5089] RSP: 002b:00007fff7b92bf98 EFLAGS: 00000246 ORIG_RAX: 000000000000002b [ 73.644226][ T5089] RAX: ffffffffffffffda RBX: 00007f33b3a1d390 RCX: 00007f33b39d0459 [ 73.652446][ T5089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 73.660641][ T5089] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 73.668892][ T5089] R10: 0000555500000000 R11: 0000000000000246 R12: 00007fff7b92bfe0 [ 73.677202][ T5089] R13: 00007fff7b92bfb0 R14: 0000000000000001 R15: 00007fff7b92bfe0 [ 73.685276][ T5089] [ 73.688421][ T5089] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 73.695698][ T5089] CPU: 0 PID: 5089 Comm: syz-executor586 Not tainted 6.9.0-syzkaller-09429-g61307b7be41a #0 [ 73.705867][ T5089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 73.716380][ T5089] Call Trace: [ 73.719713][ T5089] [ 73.722719][ T5089] dump_stack_lvl+0x241/0x360 [ 73.727499][ T5089] ? __pfx_dump_stack_lvl+0x10/0x10 [ 73.732699][ T5089] ? __pfx__printk+0x10/0x10 [ 73.737381][ T5089] ? _printk+0xd5/0x120 [ 73.741755][ T5089] ? vscnprintf+0x5d/0x90 [ 73.746098][ T5089] panic+0x349/0x860 [ 73.750264][ T5089] ? __warn+0x172/0x4e0 [ 73.754423][ T5089] ? __pfx_panic+0x10/0x10 [ 73.758831][ T5089] ? show_trace_log_lvl+0x4e6/0x520 [ 73.764053][ T5089] __warn+0x346/0x4e0 [ 73.768209][ T5089] ? __inet_accept+0x22c/0x2e0 [ 73.773077][ T5089] report_bug+0x2b3/0x500 [ 73.777428][ T5089] ? __inet_accept+0x22c/0x2e0 [ 73.782216][ T5089] handle_bug+0x3e/0x70 [ 73.786974][ T5089] exc_invalid_op+0x1a/0x50 [ 73.791569][ T5089] asm_exc_invalid_op+0x1a/0x20 [ 73.796533][ T5089] RIP: 0010:__inet_accept+0x22c/0x2e0 [ 73.802276][ T5089] Code: 04 20 84 c0 0f 85 8a 00 00 00 41 c7 06 03 00 00 00 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 c5 6a 97 f7 90 <0f> 0b 90 e9 59 fe ff ff e8 b7 6a 97 f7 90 0f 0b 90 e9 e6 fe ff ff [ 73.822716][ T5089] RSP: 0018:ffffc900036efc38 EFLAGS: 00010293 [ 73.828906][ T5089] RAX: ffffffff89fec56b RBX: 0000000000000000 RCX: ffff88807ba80000 [ 73.837087][ T5089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.845071][ T5089] RBP: 0000000000000004 R08: ffffffff89fec3bc R09: 1ffffffff25f42c7 [ 73.853154][ T5089] R10: dffffc0000000000 R11: fffffbfff25f42c8 R12: ffff888066a1f800 [ 73.861675][ T5089] R13: 1ffff920006ddfcc R14: ffff888066a90c00 R15: ffff88802d681a00 [ 73.869743][ T5089] ? __inet_accept+0x7c/0x2e0 [ 73.874604][ T5089] ? __inet_accept+0x22b/0x2e0 [ 73.879978][ T5089] ? __inet_accept+0x22b/0x2e0 [ 73.885783][ T5089] inet_accept+0xdf/0x150 [ 73.890316][ T5089] do_accept+0x4bf/0x6c0 [ 73.894576][ T5089] ? __pfx_do_accept+0x10/0x10 [ 73.899383][ T5089] __sys_accept4+0x11e/0x1c0 [ 73.904068][ T5089] ? __pfx___sys_accept4+0x10/0x10 [ 73.909492][ T5089] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 73.916081][ T5089] ? do_syscall_64+0x102/0x240 [ 73.921281][ T5089] __x64_sys_accept+0x7d/0x90 [ 73.926574][ T5089] do_syscall_64+0xf5/0x240 [ 73.931181][ T5089] ? clear_bhb_loop+0x35/0x90 [ 73.936050][ T5089] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.942417][ T5089] RIP: 0033:0x7f33b39d0459 [ 73.946874][ T5089] Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 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 b8 ff ff ff f7 d8 64 89 01 48 [ 73.970859][ T5089] RSP: 002b:00007fff7b92bf98 EFLAGS: 00000246 ORIG_RAX: 000000000000002b [ 73.979401][ T5089] RAX: ffffffffffffffda RBX: 00007f33b3a1d390 RCX: 00007f33b39d0459 [ 73.987916][ T5089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 73.995972][ T5089] RBP: 0000000000000003 R08: 0000555500000000 R09: 0000555500000000 [ 74.004025][ T5089] R10: 0000555500000000 R11: 0000000000000246 R12: 00007fff7b92bfe0 [ 74.011990][ T5089] R13: 00007fff7b92bfb0 R14: 0000000000000001 R15: 00007fff7b92bfe0 [ 74.019967][ T5089] [ 74.023307][ T5089] Kernel Offset: disabled [ 74.027687][ T5089] Rebooting in 86400 seconds..