./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3134473947 <...> Warning: Permanently added '10.128.0.56' (ECDSA) to the list of known hosts. execve("./syz-executor3134473947", ["./syz-executor3134473947"], 0x7ffe7c673b30 /* 10 vars */) = 0 brk(NULL) = 0x555556803000 brk(0x555556803c40) = 0x555556803c40 arch_prctl(ARCH_SET_FS, 0x555556803300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3134473947", 4096) = 28 brk(0x555556824c40) = 0x555556824c40 brk(0x555556825000) = 0x555556825000 mprotect(0x7fe3bd343000, 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 5027 attached , child_tidptr=0x5555568035d0) = 5027 [pid 5027] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5027] setsid() = 1 [pid 5027] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5027] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5027] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5027] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5027] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5027] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5027] unshare(CLONE_NEWNS) = 0 [pid 5027] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5027] unshare(CLONE_NEWIPC) = 0 [pid 5027] unshare(CLONE_NEWCGROUP) = 0 [pid 5027] unshare(CLONE_NEWUTS) = 0 [pid 5027] unshare(CLONE_SYSVSEM) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "16777216", 8) = 8 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "536870912", 9) = 9 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1024", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "8192", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1024", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1024", 4) = 4 [pid 5027] close(3) = 0 [pid 5027] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5027] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5027] close(3) = 0 [pid 5027] getpid() = 1 [pid 5027] 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 [ 57.874807][ T5027] RSP: 0018:ffffc90003a6fa28 EFLAGS: 00010293 [ 57.880897][ T5027] RAX: 0000000000000000 RBX: ffff888148d3c500 RCX: 0000000000000000 [ 57.888931][ T5027] RDX: ffff888021181dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 57.896950][ T5027] RBP: ffff888140fa6000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 57.904975][ T5027] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148d3c538 [ 57.912950][ T5027] R13: ffffc90003b61000 R14: ffff888140fa6460 R15: ffff888148d3c500 [ 57.920950][ T5027] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 57.929923][ T5027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.936533][ T5027] CR2: 00007fe3bd347140 CR3: 000000000c775000 CR4: 00000000003506e0 [ 57.944516][ T5027] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.952970][ T5027] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.961001][ T5027] Call Trace: [ 57.964281][ T5027] [ 57.967240][ T5027] ? __warn+0xe6/0x390 [ 57.971336][ T5027] ? blkdev_put+0x562/0x8a0 [ 57.975877][ T5027] ? report_bug+0x2da/0x500 [ 57.980416][ T5027] ? handle_bug+0x3c/0x70 [ 57.984736][ T5027] ? exc_invalid_op+0x18/0x50 [ 57.989459][ T5027] ? asm_exc_invalid_op+0x1a/0x20 [ 57.994495][ T5027] ? blkdev_put+0x562/0x8a0 [ 57.999062][ T5027] ? blkdev_put+0x562/0x8a0 [ 58.003585][ T5027] ? blkdev_put+0x562/0x8a0 [ 58.008160][ T5027] free_journal_ram+0x421/0x5c0 [ 58.013043][ T5027] journal_release+0x276/0x630 [ 58.017874][ T5027] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 58.024567][ T5027] ? do_raw_spin_unlock+0x175/0x230 [ 58.029818][ T5027] reiserfs_put_super+0xe4/0x5c0 [ 58.034817][ T5027] ? reiserfs_quota_read+0x4f0/0x4f0 [ 58.040120][ T5027] ? dispose_list+0x1e0/0x1e0 [ 58.044853][ T5027] ? fscrypt_destroy_keyring+0x1a/0x380 [ 58.050414][ T5027] ? reiserfs_quota_read+0x4f0/0x4f0 [ 58.055770][ T5027] generic_shutdown_super+0x158/0x480 [ 58.061166][ T5027] kill_block_super+0x64/0xb0 [ 58.065907][ T5027] deactivate_locked_super+0x98/0x160 [ 58.071307][ T5027] deactivate_super+0xb1/0xd0 [ 58.076021][ T5027] cleanup_mnt+0x2ae/0x3d0 [ 58.080454][ T5027] task_work_run+0x16f/0x270 [ 58.085078][ T5027] ? task_work_cancel+0x30/0x30 [ 58.089943][ T5027] ? __put_net+0x61/0x70 [ 58.094185][ T5027] do_exit+0xadc/0x2a30 [ 58.098374][ T5027] ? lock_downgrade+0x690/0x690 [ 58.103248][ T5027] ? do_raw_spin_lock+0x124/0x2b0 [ 58.108327][ T5027] ? mm_update_next_owner+0x7b0/0x7b0 [ 58.113714][ T5027] ? spin_bug+0x1c0/0x1c0 [ 58.118102][ T5027] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.123318][ T5027] do_group_exit+0xd4/0x2a0 [ 58.127885][ T5027] __x64_sys_exit_group+0x3e/0x50 [ 58.132954][ T5027] do_syscall_64+0x39/0xb0 [ 58.137445][ T5027] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.143358][ T5027] RIP: 0033:0x7fe3bd2d29b9 [ 58.147799][ T5027] Code: Unable to access opcode bytes at 0x7fe3bd2d298f. [ 58.154859][ T5027] RSP: 002b:00007fff1af7a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.163264][ T5027] RAX: ffffffffffffffda RBX: 00007fe3bd349330 RCX: 00007fe3bd2d29b9 [ 58.171282][ T5027] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 58.179284][ T5027] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001113 [ 58.187291][ T5027] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe3bd349330 [ 58.195286][ T5027] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 58.203254][ T5027] [ 58.206301][ T5027] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 58.213578][ T5027] CPU: 1 PID: 5027 Comm: syz-executor313 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 58.223451][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 58.233495][ T5027] Call Trace: [ 58.236762][ T5027] [ 58.239676][ T5027] dump_stack_lvl+0xd9/0x150 [ 58.244256][ T5027] panic+0x686/0x730 [ 58.248152][ T5027] ? panic_smp_self_stop+0xa0/0xa0 [ 58.253282][ T5027] ? show_trace_log_lvl+0x284/0x390 [ 58.258511][ T5027] ? blkdev_put+0x562/0x8a0 [ 58.263030][ T5027] check_panic_on_warn+0xb1/0xc0 [ 58.268072][ T5027] __warn+0xf2/0x390 [ 58.271981][ T5027] ? blkdev_put+0x562/0x8a0 [ 58.276501][ T5027] report_bug+0x2da/0x500 [ 58.280842][ T5027] handle_bug+0x3c/0x70 [ 58.285017][ T5027] exc_invalid_op+0x18/0x50 [ 58.289541][ T5027] asm_exc_invalid_op+0x1a/0x20 [ 58.294402][ T5027] RIP: 0010:blkdev_put+0x562/0x8a0 [ 58.299537][ T5027] 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 [ 58.319159][ T5027] RSP: 0018:ffffc90003a6fa28 EFLAGS: 00010293 [ 58.325241][ T5027] RAX: 0000000000000000 RBX: ffff888148d3c500 RCX: 0000000000000000 [ 58.333221][ T5027] RDX: ffff888021181dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 58.341199][ T5027] RBP: ffff888140fa6000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 58.349174][ T5027] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148d3c538 [ 58.357151][ T5027] R13: ffffc90003b61000 R14: ffff888140fa6460 R15: ffff888148d3c500 [ 58.365137][ T5027] ? blkdev_put+0x562/0x8a0 [ 58.369667][ T5027] ? blkdev_put+0x562/0x8a0 [ 58.374197][ T5027] free_journal_ram+0x421/0x5c0 [ 58.379065][ T5027] journal_release+0x276/0x630 [ 58.383835][ T5027] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 58.390524][ T5027] ? do_raw_spin_unlock+0x175/0x230 [ 58.395751][ T5027] reiserfs_put_super+0xe4/0x5c0 [ 58.400700][ T5027] ? reiserfs_quota_read+0x4f0/0x4f0 [ 58.406001][ T5027] ? dispose_list+0x1e0/0x1e0 [ 58.410697][ T5027] ? fscrypt_destroy_keyring+0x1a/0x380 [ 58.416260][ T5027] ? reiserfs_quota_read+0x4f0/0x4f0 [ 58.421565][ T5027] generic_shutdown_super+0x158/0x480 [ 58.426951][ T5027] kill_block_super+0x64/0xb0 [ 58.431642][ T5027] deactivate_locked_super+0x98/0x160 [ 58.437029][ T5027] deactivate_super+0xb1/0xd0 [ 58.441727][ T5027] cleanup_mnt+0x2ae/0x3d0 [ 58.446159][ T5027] task_work_run+0x16f/0x270 [ 58.450767][ T5027] ? task_work_cancel+0x30/0x30 [ 58.455625][ T5027] ? __put_net+0x61/0x70 [ 58.459913][ T5027] do_exit+0xadc/0x2a30 [ 58.464085][ T5027] ? lock_downgrade+0x690/0x690 [ 58.468949][ T5027] ? do_raw_spin_lock+0x124/0x2b0 [ 58.473990][ T5027] ? mm_update_next_owner+0x7b0/0x7b0 [ 58.479369][ T5027] ? spin_bug+0x1c0/0x1c0 [ 58.483714][ T5027] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.489008][ T5027] do_group_exit+0xd4/0x2a0 [ 58.493525][ T5027] __x64_sys_exit_group+0x3e/0x50 [ 58.498558][ T5027] do_syscall_64+0x39/0xb0 [ 58.502982][ T5027] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.508885][ T5027] RIP: 0033:0x7fe3bd2d29b9 [ 58.513299][ T5027] Code: Unable to access opcode bytes at 0x7fe3bd2d298f. [ 58.520311][ T5027] RSP: 002b:00007fff1af7a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.528728][ T5027] RAX: ffffffffffffffda RBX: 00007fe3bd349330 RCX: 00007fe3bd2d29b9 [ 58.536699][ T5027] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 58.544671][ T5027] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001113 [ 58.552641][ T5027] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe3bd349330 [ 58.560614][ T5027] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 58.568611][ T5027] [ 58.571792][ T5027] Kernel Offset: disabled [ 58.576195][ T5027] Rebooting in 86400 seconds..