./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor797385689 <...> forked to background, child pid 3184 no interfaces have a carrier [ 23.059155][ T3185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 23.069579][ T3185] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.28' (ECDSA) to the list of known hosts. execve("./syz-executor797385689", ["./syz-executor797385689"], 0x7ffe6da6eb40 /* 10 vars */) = 0 brk(NULL) = 0x555556afe000 brk(0x555556afec40) = 0x555556afec40 arch_prctl(ARCH_SET_FS, 0x555556afe300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor797385689", 4096) = 27 brk(0x555556b1fc40) = 0x555556b1fc40 brk(0x555556b20000) = 0x555556b20000 mprotect(0x7f4b416ff000, 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 getpid() = 3605 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "3605", 4) = 4 close(3) = 0 chmod("/dev/raw-gadget", 0666) = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3606 attached [pid 3606] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 3605] <... clone resumed>, child_tidptr=0x555556afe5d0) = 3606 [pid 3606] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 3606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3606] setsid() = 1 [pid 3606] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3606] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3606] unshare(CLONE_NEWNS) = 0 [pid 3606] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3606] unshare(CLONE_NEWIPC) = 0 [pid 3606] unshare(CLONE_NEWCGROUP) = 0 [pid 3606] unshare(CLONE_NEWUTS) = 0 [pid 3606] unshare(CLONE_SYSVSEM) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "16777216", 8) = 8 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "536870912", 9) = 9 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "8192", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024", 4) = 4 [pid 3606] close(3) = 0 [pid 3606] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3606] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3606] close(3) = 0 [pid 3606] getpid() = 1 [pid 3606] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 5b 5d 41 5c e9 de ae 94 ff e8 d9 ae 94 ff be 04 00 00 00 48 [ 43.290431][ C1] RSP: 0018:ffffc900001f0f48 EFLAGS: 00010086 [ 43.296487][ C1] RAX: 0000000000000000 RBX: ffff8880749cae80 RCX: 0000000000000000 [ 43.304446][ C1] RDX: ffff888011a83b00 RSI: ffffffff8160f6f8 RDI: fffff5200003e1db [ 43.312407][ C1] RBP: ffff8880749caee0 R08: 0000000000000005 R09: 0000000000000000 [ 43.320369][ C1] R10: 0000000080010002 R11: 0000000000000000 R12: 0000000000000000 [ 43.328329][ C1] R13: dffffc0000000000 R14: ffff8880b9b35f80 R15: 0000000000000000 [ 43.336291][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 43.345215][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.351787][ C1] CR2: 000055888af859e0 CR3: 000000001bc8e000 CR4: 0000000000350ee0 [ 43.359749][ C1] Call Trace: [ 43.363015][ C1] [ 43.365848][ C1] invalidate_bh_lru+0x99/0x150 [ 43.370694][ C1] __flush_smp_call_function_queue+0x205/0x9a0 [ 43.376896][ C1] ? __brelse+0xa0/0xa0 [ 43.381064][ C1] __sysvec_call_function_single+0x95/0x3d0 [ 43.386964][ C1] sysvec_call_function_single+0x8e/0xc0 [ 43.392630][ C1] [ 43.395554][ C1] [ 43.398507][ C1] asm_sysvec_call_function_single+0x16/0x20 [ 43.404515][ C1] RIP: 0010:acpi_idle_do_entry+0x1fd/0x2a0 [ 43.410323][ C1] Code: 89 de e8 c6 8e f4 f7 84 db 75 ac e8 3d 92 f4 f7 e8 78 09 fb f7 eb 0c e8 31 92 f4 f7 0f 00 2d 5a a8 ce 00 e8 25 92 f4 f7 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 f0 8e f4 f7 48 85 db [ 43.429931][ C1] RSP: 0018:ffffc90000187d18 EFLAGS: 00000293 [ 43.435994][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 43.443962][ C1] RDX: ffff888011a83b00 RSI: ffffffff8986834b RDI: 0000000000000000 [ 43.451926][ C1] RBP: ffff88814525f064 R08: 0000000000000001 R09: 0000000000000001 [ 43.459888][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 43.467851][ C1] R13: ffff88814525f000 R14: ffff88814525f064 R15: ffff888017eaf804 [ 43.475840][ C1] ? acpi_idle_do_entry+0x1fb/0x2a0 [ 43.481049][ C1] ? acpi_idle_do_entry+0x1fb/0x2a0 [ 43.486241][ C1] acpi_idle_enter+0x364/0x500 [ 43.491005][ C1] cpuidle_enter_state+0x1ab/0xd30 [ 43.496140][ C1] cpuidle_enter+0x4a/0xa0 [ 43.500582][ C1] do_idle+0x3e8/0x590 [ 43.504651][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 43.509680][ C1] cpu_startup_entry+0x14/0x20 [ 43.514441][ C1] start_secondary+0x21d/0x2b0 [ 43.519214][ C1] ? set_cpu_sibling_map+0x2260/0x2260 [ 43.524769][ C1] secondary_startup_64_no_verify+0xce/0xdb [ 43.530680][ C1] [ 43.533693][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 43.540265][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.0.0-syzkaller-03015-g2bca25eaeba6 #0 [ 43.549539][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 43.559589][ C1] Call Trace: [ 43.562862][ C1] [ 43.565738][ C1] dump_stack_lvl+0xcd/0x134 [ 43.570359][ C1] panic+0x2c8/0x627 [ 43.574249][ C1] ? panic_print_sys_info.part.0+0x10b/0x10b [ 43.580230][ C1] ? __warn.cold+0x248/0x2c4 [ 43.584818][ C1] ? __brelse+0x67/0xa0 [ 43.588973][ C1] __warn.cold+0x259/0x2c4 [ 43.593387][ C1] ? __brelse+0x67/0xa0 [ 43.597538][ C1] report_bug+0x1bc/0x210 [ 43.601896][ C1] handle_bug+0x3c/0x70 [ 43.606048][ C1] exc_invalid_op+0x14/0x40 [ 43.611414][ C1] asm_exc_invalid_op+0x16/0x20 [ 43.616281][ C1] RIP: 0010:__brelse+0x67/0xa0 [ 43.621046][ C1] Code: 7c 04 84 d2 75 4e 44 8b 63 60 31 ff 44 89 e6 e8 bf ab 94 ff 45 85 e4 75 1c e8 f5 ae 94 ff 48 c7 c7 80 9c fc 89 e8 c5 d7 57 07 <0f> 0b 5b 5d 41 5c e9 de ae 94 ff e8 d9 ae 94 ff be 04 00 00 00 48 [ 43.640657][ C1] RSP: 0018:ffffc900001f0f48 EFLAGS: 00010086 [ 43.646719][ C1] RAX: 0000000000000000 RBX: ffff8880749cae80 RCX: 0000000000000000 [ 43.654696][ C1] RDX: ffff888011a83b00 RSI: ffffffff8160f6f8 RDI: fffff5200003e1db [ 43.662676][ C1] RBP: ffff8880749caee0 R08: 0000000000000005 R09: 0000000000000000 [ 43.670644][ C1] R10: 0000000080010002 R11: 0000000000000000 R12: 0000000000000000 [ 43.678607][ C1] R13: dffffc0000000000 R14: ffff8880b9b35f80 R15: 0000000000000000 [ 43.686578][ C1] ? vprintk+0x88/0x90 [ 43.690649][ C1] ? __brelse+0x67/0xa0 [ 43.694802][ C1] invalidate_bh_lru+0x99/0x150 [ 43.699650][ C1] __flush_smp_call_function_queue+0x205/0x9a0 [ 43.705798][ C1] ? __brelse+0xa0/0xa0 [ 43.709949][ C1] __sysvec_call_function_single+0x95/0x3d0 [ 43.715848][ C1] sysvec_call_function_single+0x8e/0xc0 [ 43.721494][ C1] [ 43.724414][ C1] [ 43.727333][ C1] asm_sysvec_call_function_single+0x16/0x20 [ 43.733325][ C1] RIP: 0010:acpi_idle_do_entry+0x1fd/0x2a0 [ 43.739131][ C1] Code: 89 de e8 c6 8e f4 f7 84 db 75 ac e8 3d 92 f4 f7 e8 78 09 fb f7 eb 0c e8 31 92 f4 f7 0f 00 2d 5a a8 ce 00 e8 25 92 f4 f7 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 f0 8e f4 f7 48 85 db [ 43.758832][ C1] RSP: 0018:ffffc90000187d18 EFLAGS: 00000293 [ 43.764895][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 43.772871][ C1] RDX: ffff888011a83b00 RSI: ffffffff8986834b RDI: 0000000000000000 [ 43.780836][ C1] RBP: ffff88814525f064 R08: 0000000000000001 R09: 0000000000000001 [ 43.788801][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 43.796764][ C1] R13: ffff88814525f000 R14: ffff88814525f064 R15: ffff888017eaf804 [ 43.804745][ C1] ? acpi_idle_do_entry+0x1fb/0x2a0 [ 43.809959][ C1] ? acpi_idle_do_entry+0x1fb/0x2a0 [ 43.815155][ C1] acpi_idle_enter+0x364/0x500 [ 43.819929][ C1] cpuidle_enter_state+0x1ab/0xd30 [ 43.825050][ C1] cpuidle_enter+0x4a/0xa0 [ 43.829469][ C1] do_idle+0x3e8/0x590 [ 43.833540][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 43.838572][ C1] cpu_startup_entry+0x14/0x20 [ 43.843334][ C1] start_secondary+0x21d/0x2b0 [ 43.848101][ C1] ? set_cpu_sibling_map+0x2260/0x2260 [ 43.853591][ C1] secondary_startup_64_no_verify+0xce/0xdb [ 43.859496][ C1] [ 43.863140][ C1] Kernel Offset: disabled [ 43.867525][ C1] Rebooting in 86400 seconds..