./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3053209305 <...> Warning: Permanently added '10.128.0.111' (ECDSA) to the list of known hosts. execve("./syz-executor3053209305", ["./syz-executor3053209305"], 0x7fff3063ffb0 /* 10 vars */) = 0 brk(NULL) = 0x5555570f8000 brk(0x5555570f8c40) = 0x5555570f8c40 arch_prctl(ARCH_SET_FS, 0x5555570f8300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3053209305", 4096) = 28 brk(0x555557119c40) = 0x555557119c40 brk(0x55555711a000) = 0x55555711a000 mprotect(0x7fa7a771c000, 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./strace-static-x86_64: Process 5025 attached , child_tidptr=0x5555570f85d0) = 5025 [pid 5025] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5025] setsid() = 1 [pid 5025] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5025] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5025] unshare(CLONE_NEWNS) = 0 [pid 5025] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5025] unshare(CLONE_NEWIPC) = 0 [pid 5025] unshare(CLONE_NEWCGROUP) = 0 [pid 5025] unshare(CLONE_NEWUTS) = 0 [pid 5025] unshare(CLONE_SYSVSEM) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "16777216", 8) = 8 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "536870912", 9) = 9 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "8192", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5025] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5025] close(3) = 0 [pid 5025] getpid() = 1 [pid 5025] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c [ 57.451715][ T5025] RSP: 0018:ffffc900039dfa28 EFLAGS: 00010293 [ 57.457793][ T5025] RAX: 0000000000000000 RBX: ffff888148c8c500 RCX: 0000000000000000 [ 57.465782][ T5025] RDX: ffff8880196e8000 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 57.473742][ T5025] RBP: ffff888141313000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 57.481720][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148c8c538 [ 57.489715][ T5025] R13: ffffc900039f1000 R14: ffff888141313460 R15: ffff888148c8c500 [ 57.497713][ T5025] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 57.506679][ T5025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.513270][ T5025] CR2: 000055f3a581abf0 CR3: 000000001f06c000 CR4: 00000000003506f0 [ 57.521270][ T5025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.529265][ T5025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.537282][ T5025] Call Trace: [ 57.540583][ T5025] [ 57.543537][ T5025] ? __warn+0xe6/0x390 [ 57.547682][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.552211][ T5025] ? report_bug+0x2da/0x500 [ 57.556758][ T5025] ? handle_bug+0x3c/0x70 [ 57.561107][ T5025] ? exc_invalid_op+0x18/0x50 [ 57.565824][ T5025] ? asm_exc_invalid_op+0x1a/0x20 [ 57.570870][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.575418][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.579952][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.584452][ T5025] free_journal_ram+0x421/0x5c0 [ 57.589340][ T5025] journal_release+0x276/0x630 [ 57.594119][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 57.600828][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 57.606090][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 57.611025][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.616343][ T5025] ? dispose_list+0x1e0/0x1e0 [ 57.621045][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 57.626629][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.631943][ T5025] generic_shutdown_super+0x158/0x480 [ 57.637367][ T5025] kill_block_super+0x64/0xb0 [ 57.642070][ T5025] deactivate_locked_super+0x98/0x160 [ 57.647478][ T5025] deactivate_super+0xb1/0xd0 [ 57.652180][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 57.656659][ T5025] task_work_run+0x16f/0x270 [ 57.661275][ T5025] ? task_work_cancel+0x30/0x30 [ 57.666195][ T5025] ? __put_net+0x61/0x70 [ 57.670466][ T5025] do_exit+0xadc/0x2a30 [ 57.674618][ T5025] ? lock_downgrade+0x690/0x690 [ 57.679513][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 57.684570][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 57.689983][ T5025] ? spin_bug+0x1c0/0x1c0 [ 57.694338][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.699595][ T5025] do_group_exit+0xd4/0x2a0 [ 57.704115][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 57.709177][ T5025] do_syscall_64+0x39/0xb0 [ 57.713612][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.719541][ T5025] RIP: 0033:0x7fa7a76ab9c9 [ 57.723968][ T5025] Code: Unable to access opcode bytes at 0x7fa7a76ab99f. [ 57.731008][ T5025] RSP: 002b:00007ffe0907f348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 57.739472][ T5025] RAX: ffffffffffffffda RBX: 00007fa7a7722330 RCX: 00007fa7a76ab9c9 [ 57.747490][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 57.755494][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 57.763456][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa7a7722330 [ 57.771451][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 57.779513][ T5025] [ 57.782533][ T5025] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 57.789798][ T5025] CPU: 0 PID: 5025 Comm: syz-executor305 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 57.800647][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 57.810695][ T5025] Call Trace: [ 57.813958][ T5025] [ 57.816878][ T5025] dump_stack_lvl+0xd9/0x150 [ 57.821475][ T5025] panic+0x686/0x730 [ 57.825380][ T5025] ? panic_smp_self_stop+0xa0/0xa0 [ 57.830493][ T5025] ? show_trace_log_lvl+0x284/0x390 [ 57.835695][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.840194][ T5025] check_panic_on_warn+0xb1/0xc0 [ 57.845124][ T5025] __warn+0xf2/0x390 [ 57.849010][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.853505][ T5025] report_bug+0x2da/0x500 [ 57.857832][ T5025] handle_bug+0x3c/0x70 [ 57.861979][ T5025] exc_invalid_op+0x18/0x50 [ 57.866476][ T5025] asm_exc_invalid_op+0x1a/0x20 [ 57.871316][ T5025] RIP: 0010:blkdev_put+0x562/0x8a0 [ 57.876422][ T5025] Code: c0 74 08 3c 03 0f 8e 23 03 00 00 41 83 ac 24 f0 04 00 00 01 e9 2b fe ff ff e8 1a 39 90 fd 0f 0b e9 4b fc ff ff e8 0e 39 90 fd <0f> 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c [ 57.896013][ T5025] RSP: 0018:ffffc900039dfa28 EFLAGS: 00010293 [ 57.902065][ T5025] RAX: 0000000000000000 RBX: ffff888148c8c500 RCX: 0000000000000000 [ 57.910024][ T5025] RDX: ffff8880196e8000 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 57.917981][ T5025] RBP: ffff888141313000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 57.925940][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148c8c538 [ 57.933896][ T5025] R13: ffffc900039f1000 R14: ffff888141313460 R15: ffff888148c8c500 [ 57.941861][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.946364][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.950865][ T5025] free_journal_ram+0x421/0x5c0 [ 57.955710][ T5025] journal_release+0x276/0x630 [ 57.960464][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 57.967130][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 57.972326][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 57.977256][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.982533][ T5025] ? dispose_list+0x1e0/0x1e0 [ 57.987205][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 57.992740][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.998018][ T5025] generic_shutdown_super+0x158/0x480 [ 58.003383][ T5025] kill_block_super+0x64/0xb0 [ 58.008055][ T5025] deactivate_locked_super+0x98/0x160 [ 58.013419][ T5025] deactivate_super+0xb1/0xd0 [ 58.018090][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 58.022505][ T5025] task_work_run+0x16f/0x270 [ 58.027087][ T5025] ? task_work_cancel+0x30/0x30 [ 58.031924][ T5025] ? __put_net+0x61/0x70 [ 58.036174][ T5025] do_exit+0xadc/0x2a30 [ 58.040346][ T5025] ? lock_downgrade+0x690/0x690 [ 58.045213][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 58.050255][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 58.055632][ T5025] ? spin_bug+0x1c0/0x1c0 [ 58.059979][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.065188][ T5025] do_group_exit+0xd4/0x2a0 [ 58.069708][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 58.074744][ T5025] do_syscall_64+0x39/0xb0 [ 58.079170][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.085076][ T5025] RIP: 0033:0x7fa7a76ab9c9 [ 58.089502][ T5025] Code: Unable to access opcode bytes at 0x7fa7a76ab99f. [ 58.096513][ T5025] RSP: 002b:00007ffe0907f348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.104931][ T5025] RAX: ffffffffffffffda RBX: 00007fa7a7722330 RCX: 00007fa7a76ab9c9 [ 58.112906][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 58.120877][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 58.128849][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa7a7722330 [ 58.136820][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 58.144805][ T5025] [ 58.147973][ T5025] Kernel Offset: disabled [ 58.152365][ T5025] Rebooting in 86400 seconds..