./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor606097287 <...> Warning: Permanently added '10.128.1.75' (ED25519) to the list of known hosts. execve("./syz-executor606097287", ["./syz-executor606097287"], 0x7fffdfdcc380 /* 10 vars */) = 0 brk(NULL) = 0x55558ac11000 brk(0x55558ac11d00) = 0x55558ac11d00 arch_prctl(ARCH_SET_FS, 0x55558ac11380) = 0 set_tid_address(0x55558ac11650) = 5233 set_robust_list(0x55558ac11660, 24) = 0 rseq(0x55558ac11ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor606097287", 4096) = 27 getrandom("\xa5\xe0\xfa\x75\xe8\x22\x72\xab", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558ac11d00 brk(0x55558ac32d00) = 0x55558ac32d00 brk(0x55558ac33000) = 0x55558ac33000 mprotect(0x7fcfb5269000, 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=0x55558ac11650) = 5234 ./strace-static-x86_64: Process 5234 attached [pid 5234] set_robust_list(0x55558ac11660, 24) = 0 [pid 5234] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5234] setsid() = 1 [pid 5234] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5234] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5234] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5234] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5234] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5234] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5234] unshare(CLONE_NEWNS) = 0 [pid 5234] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5234] unshare(CLONE_NEWIPC) = 0 [pid 5234] unshare(CLONE_NEWCGROUP) = 0 [pid 5234] unshare(CLONE_NEWUTS) = 0 [pid 5234] unshare(CLONE_SYSVSEM) = 0 [pid 5234] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "16777216", 8) = 8 [pid 5234] close(3) = 0 [pid 5234] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "536870912", 9) = 9 [pid 5234] close(3) = 0 [pid 5234] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "1024", 4) = 4 [pid 5234] close(3) = 0 [pid 5234] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "8192", 4) = 4 [pid 5234] close(3) = 0 [pid 5234] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "1024", 4) = 4 [pid 5234] close(3) = 0 [pid 5234] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "1024", 4) = 4 [pid 5234] close(3) = 0 [pid 5234] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5234] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5234] close(3) = 0 [pid 5234] getpid() = 1 [pid 5234] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 90 48 8b 44 24 18 48 c7 44 24 40 0e 36 e0 45 49 c7 04 07 [ 64.785720][ T5234] RSP: 0018:ffffc9000345fa20 EFLAGS: 00010246 [ 64.791866][ T5234] RAX: 2a2d0aee2eb64600 RBX: ffff888032f1f548 RCX: ffff888029431e00 [ 64.799934][ T5234] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.807956][ T5234] RBP: ffffc9000345fb08 R08: ffffffff8155b2f2 R09: 1ffff1101710519a [ 64.815950][ T5234] R10: dffffc0000000000 R11: ffffed101710519b R12: ffff888011d38640 [ 64.823978][ T5234] R13: 0000000000000004 R14: 0000000000000000 R15: dffffc0000000000 [ 64.832103][ T5234] FS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 64.841109][ T5234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.847748][ T5234] CR2: 00007fcfb52722f0 CR3: 000000000e734000 CR4: 00000000003506f0 [ 64.855782][ T5234] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.863828][ T5234] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.871841][ T5234] Call Trace: [ 64.875131][ T5234] [ 64.878114][ T5234] ? __warn+0x163/0x4e0 [ 64.882297][ T5234] ? remove_proc_entry+0x2e7/0x5d0 [ 64.887423][ T5234] ? report_bug+0x2b3/0x500 [ 64.891977][ T5234] ? remove_proc_entry+0x2e7/0x5d0 [ 64.897105][ T5234] ? handle_bug+0x3e/0x70 [ 64.901477][ T5234] ? exc_invalid_op+0x1a/0x50 [ 64.906164][ T5234] ? asm_exc_invalid_op+0x1a/0x20 [ 64.911246][ T5234] ? __warn_printk+0x292/0x360 [ 64.916023][ T5234] ? remove_proc_entry+0x2e7/0x5d0 [ 64.921204][ T5234] ? __local_bh_enable_ip+0x168/0x200 [ 64.926601][ T5234] ? __pfx_remove_proc_entry+0x10/0x10 [ 64.932137][ T5234] ? bcm_release+0x1ec/0x880 [ 64.936750][ T5234] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 64.942539][ T5234] ? do_raw_spin_unlock+0x13c/0x8b0 [ 64.947755][ T5234] bcm_release+0x250/0x880 [ 64.952284][ T5234] sock_close+0xbc/0x240 [ 64.956574][ T5234] ? __pfx_sock_close+0x10/0x10 [ 64.961497][ T5234] __fput+0x24a/0x8a0 [ 64.965501][ T5234] task_work_run+0x24f/0x310 [ 64.970229][ T5234] ? __pfx_task_work_run+0x10/0x10 [ 64.975354][ T5234] ? do_exit+0xa2a/0x27f0 [ 64.979729][ T5234] ? kmem_cache_free+0x145/0x350 [ 64.984681][ T5234] do_exit+0xa2f/0x27f0 [ 64.989260][ T5234] ? __pfx_do_exit+0x10/0x10 [ 64.993863][ T5234] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 64.999896][ T5234] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 65.006246][ T5234] ? _raw_spin_unlock_irq+0x23/0x50 [ 65.011494][ T5234] ? lockdep_hardirqs_on+0x99/0x150 [ 65.016704][ T5234] do_group_exit+0x207/0x2c0 [ 65.021352][ T5234] __x64_sys_exit_group+0x3f/0x40 [ 65.026390][ T5234] x64_sys_call+0x2634/0x2640 [ 65.031111][ T5234] do_syscall_64+0xf3/0x230 [ 65.035626][ T5234] ? clear_bhb_loop+0x35/0x90 [ 65.040379][ T5234] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.046285][ T5234] RIP: 0033:0x7fcfb51ee969 [ 65.050767][ T5234] Code: Unable to access opcode bytes at 0x7fcfb51ee93f. [ 65.057788][ T5234] RSP: 002b:00007ffce0109ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 65.066276][ T5234] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcfb51ee969 [ 65.074375][ T5234] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 65.082415][ T5234] RBP: 00007fcfb526f3b0 R08: ffffffffffffffb8 R09: 0000555500000000 [ 65.090428][ T5234] R10: 0000555500000000 R11: 0000000000000246 R12: 00007fcfb526f3b0 [ 65.098436][ T5234] R13: 0000000000000000 R14: 00007fcfb5271ee0 R15: 00007fcfb51bf160 [ 65.106425][ T5234] [ 65.109490][ T5234] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 65.116770][ T5234] CPU: 0 UID: 0 PID: 5234 Comm: syz-executor606 Not tainted 6.11.0-rc5-syzkaller-00178-g5517ae241919 #0 [ 65.127868][ T5234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 65.137923][ T5234] Call Trace: [ 65.141191][ T5234] [ 65.144194][ T5234] dump_stack_lvl+0x241/0x360 [ 65.148860][ T5234] ? __pfx_dump_stack_lvl+0x10/0x10 [ 65.154041][ T5234] ? __pfx__printk+0x10/0x10 [ 65.158641][ T5234] ? vscnprintf+0x5d/0x90 [ 65.162959][ T5234] panic+0x349/0x860 [ 65.166837][ T5234] ? __warn+0x172/0x4e0 [ 65.170985][ T5234] ? __pfx_panic+0x10/0x10 [ 65.175398][ T5234] __warn+0x346/0x4e0 [ 65.179365][ T5234] ? remove_proc_entry+0x2e7/0x5d0 [ 65.184460][ T5234] report_bug+0x2b3/0x500 [ 65.188778][ T5234] ? remove_proc_entry+0x2e7/0x5d0 [ 65.193880][ T5234] handle_bug+0x3e/0x70 [ 65.198042][ T5234] exc_invalid_op+0x1a/0x50 [ 65.202528][ T5234] asm_exc_invalid_op+0x1a/0x20 [ 65.207363][ T5234] RIP: 0010:remove_proc_entry+0x2e7/0x5d0 [ 65.213074][ T5234] Code: ff eb 05 e8 cb 1e 5e ff 48 8b 5c 24 10 48 c7 c7 e0 f7 aa 8e e8 2a 38 8e 09 90 48 c7 c7 60 3a 1b 8c 48 89 de e8 da 42 20 ff 90 <0f> 0b 90 90 48 8b 44 24 18 48 c7 44 24 40 0e 36 e0 45 49 c7 04 07 [ 65.232686][ T5234] RSP: 0018:ffffc9000345fa20 EFLAGS: 00010246 [ 65.238768][ T5234] RAX: 2a2d0aee2eb64600 RBX: ffff888032f1f548 RCX: ffff888029431e00 [ 65.246730][ T5234] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 65.254692][ T5234] RBP: ffffc9000345fb08 R08: ffffffff8155b2f2 R09: 1ffff1101710519a [ 65.262654][ T5234] R10: dffffc0000000000 R11: ffffed101710519b R12: ffff888011d38640 [ 65.270619][ T5234] R13: 0000000000000004 R14: 0000000000000000 R15: dffffc0000000000 [ 65.278588][ T5234] ? __warn_printk+0x292/0x360 [ 65.283379][ T5234] ? __local_bh_enable_ip+0x168/0x200 [ 65.288773][ T5234] ? __pfx_remove_proc_entry+0x10/0x10 [ 65.294235][ T5234] ? bcm_release+0x1ec/0x880 [ 65.298818][ T5234] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 65.304528][ T5234] ? do_raw_spin_unlock+0x13c/0x8b0 [ 65.309725][ T5234] bcm_release+0x250/0x880 [ 65.314145][ T5234] sock_close+0xbc/0x240 [ 65.318392][ T5234] ? __pfx_sock_close+0x10/0x10 [ 65.323242][ T5234] __fput+0x24a/0x8a0 [ 65.327229][ T5234] task_work_run+0x24f/0x310 [ 65.331817][ T5234] ? __pfx_task_work_run+0x10/0x10 [ 65.336920][ T5234] ? do_exit+0xa2a/0x27f0 [ 65.341240][ T5234] ? kmem_cache_free+0x145/0x350 [ 65.346177][ T5234] do_exit+0xa2f/0x27f0 [ 65.350330][ T5234] ? __pfx_do_exit+0x10/0x10 [ 65.354909][ T5234] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 65.360888][ T5234] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 65.367221][ T5234] ? _raw_spin_unlock_irq+0x23/0x50 [ 65.372416][ T5234] ? lockdep_hardirqs_on+0x99/0x150 [ 65.377607][ T5234] do_group_exit+0x207/0x2c0 [ 65.382194][ T5234] __x64_sys_exit_group+0x3f/0x40 [ 65.387210][ T5234] x64_sys_call+0x2634/0x2640 [ 65.391883][ T5234] do_syscall_64+0xf3/0x230 [ 65.396382][ T5234] ? clear_bhb_loop+0x35/0x90 [ 65.401057][ T5234] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.406945][ T5234] RIP: 0033:0x7fcfb51ee969 [ 65.411351][ T5234] Code: Unable to access opcode bytes at 0x7fcfb51ee93f. [ 65.418358][ T5234] RSP: 002b:00007ffce0109ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 65.426771][ T5234] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcfb51ee969 [ 65.434734][ T5234] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 65.442696][ T5234] RBP: 00007fcfb526f3b0 R08: ffffffffffffffb8 R09: 0000555500000000 [ 65.450661][ T5234] R10: 0000555500000000 R11: 0000000000000246 R12: 00007fcfb526f3b0 [ 65.458622][ T5234] R13: 0000000000000000 R14: 00007fcfb5271ee0 R15: 00007fcfb51bf160 [ 65.466598][ T5234] [ 65.469832][ T5234] Kernel Offset: disabled [ 65.474189][ T5234] Rebooting in 86400 seconds..