./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1219222202 <...> Warning: Permanently added '10.128.0.146' (ECDSA) to the list of known hosts. execve("./syz-executor1219222202", ["./syz-executor1219222202"], 0x7ffd801df800 /* 10 vars */) = 0 brk(NULL) = 0x5555567ba000 brk(0x5555567bac40) = 0x5555567bac40 arch_prctl(ARCH_SET_FS, 0x5555567ba300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1219222202", 4096) = 28 brk(0x5555567dbc40) = 0x5555567dbc40 brk(0x5555567dc000) = 0x5555567dc000 mprotect(0x7f4da56a2000, 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=0x5555567ba5d0) = 5026 ./strace-static-x86_64: Process 5026 attached [pid 5026] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5026] setsid() = 1 [pid 5026] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5026] unshare(CLONE_NEWNS) = 0 [pid 5026] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5026] unshare(CLONE_NEWIPC) = 0 [pid 5026] unshare(CLONE_NEWCGROUP) = 0 [pid 5026] unshare(CLONE_NEWUTS) = 0 [pid 5026] unshare(CLONE_SYSVSEM) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "16777216", 8) = 8 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "536870912", 9) = 9 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "8192", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5026] close(3) = 0 [pid 5026] getpid() = 1 [pid 5026] 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 [ 58.828629][ T5026] RSP: 0018:ffffc90003a1fa28 EFLAGS: 00010293 [ 58.834717][ T5026] RAX: 0000000000000000 RBX: ffff88801e618000 RCX: 0000000000000000 [ 58.842743][ T5026] RDX: ffff88802993d940 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 58.850785][ T5026] RBP: ffff888141764000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 58.858821][ T5026] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801e618038 [ 58.867100][ T5026] R13: ffffc90003a41000 R14: ffff888141764460 R15: ffff88801e618000 [ 58.875121][ T5026] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 58.884069][ T5026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.890714][ T5026] CR2: 00007f4da56766f8 CR3: 000000000c775000 CR4: 00000000003506e0 [ 58.898764][ T5026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.906788][ T5026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.914790][ T5026] Call Trace: [ 58.918124][ T5026] [ 58.921066][ T5026] ? __warn+0xe6/0x390 [ 58.925189][ T5026] ? blkdev_put+0x562/0x8a0 [ 58.929721][ T5026] ? report_bug+0x2da/0x500 [ 58.934232][ T5026] ? handle_bug+0x3c/0x70 [ 58.938618][ T5026] ? exc_invalid_op+0x18/0x50 [ 58.943320][ T5026] ? asm_exc_invalid_op+0x1a/0x20 [ 58.948448][ T5026] ? blkdev_put+0x562/0x8a0 [ 58.952992][ T5026] ? blkdev_put+0x562/0x8a0 [ 58.957560][ T5026] ? blkdev_put+0x562/0x8a0 [ 58.962091][ T5026] free_journal_ram+0x421/0x5c0 [ 58.967084][ T5026] journal_release+0x276/0x630 [ 58.971872][ T5026] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 58.978645][ T5026] ? do_raw_spin_unlock+0x175/0x230 [ 58.983877][ T5026] reiserfs_put_super+0xe4/0x5c0 [ 58.988869][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 58.994184][ T5026] ? dispose_list+0x1e0/0x1e0 [ 58.998916][ T5026] ? fscrypt_destroy_keyring+0x1a/0x380 [ 59.004489][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 59.009931][ T5026] generic_shutdown_super+0x158/0x480 [ 59.015356][ T5026] kill_block_super+0x64/0xb0 [ 59.020048][ T5026] deactivate_locked_super+0x98/0x160 [ 59.025574][ T5026] deactivate_super+0xb1/0xd0 [ 59.030290][ T5026] cleanup_mnt+0x2ae/0x3d0 [ 59.034749][ T5026] task_work_run+0x16f/0x270 [ 59.039403][ T5026] ? task_work_cancel+0x30/0x30 [ 59.044272][ T5026] ? __put_net+0x61/0x70 [ 59.048580][ T5026] do_exit+0xadc/0x2a30 [ 59.052756][ T5026] ? lock_downgrade+0x690/0x690 [ 59.057656][ T5026] ? do_raw_spin_lock+0x124/0x2b0 [ 59.062707][ T5026] ? mm_update_next_owner+0x7b0/0x7b0 [ 59.068132][ T5026] ? spin_bug+0x1c0/0x1c0 [ 59.072489][ T5026] ? _raw_spin_unlock_irq+0x23/0x50 [ 59.077825][ T5026] do_group_exit+0xd4/0x2a0 [ 59.082353][ T5026] __x64_sys_exit_group+0x3e/0x50 [ 59.087435][ T5026] do_syscall_64+0x39/0xb0 [ 59.091875][ T5026] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.097824][ T5026] RIP: 0033:0x7f4da5631cf9 [ 59.102250][ T5026] Code: Unable to access opcode bytes at 0x7f4da5631ccf. [ 59.109307][ T5026] RSP: 002b:00007ffc2fb98cc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 59.119090][ T5026] RAX: ffffffffffffffda RBX: 00007f4da56a83f0 RCX: 00007f4da5631cf9 [ 59.127151][ T5026] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 59.135167][ T5026] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000010f7 [ 59.143147][ T5026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4da56a83f0 [ 59.151183][ T5026] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 59.159249][ T5026] [ 59.162277][ T5026] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.169548][ T5026] CPU: 1 PID: 5026 Comm: syz-executor121 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 59.179427][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 59.189474][ T5026] Call Trace: [ 59.192742][ T5026] [ 59.195665][ T5026] dump_stack_lvl+0xd9/0x150 [ 59.200255][ T5026] panic+0x686/0x730 [ 59.204150][ T5026] ? panic_smp_self_stop+0xa0/0xa0 [ 59.209256][ T5026] ? show_trace_log_lvl+0x284/0x390 [ 59.214460][ T5026] ? blkdev_put+0x562/0x8a0 [ 59.218962][ T5026] check_panic_on_warn+0xb1/0xc0 [ 59.223901][ T5026] __warn+0xf2/0x390 [ 59.227790][ T5026] ? blkdev_put+0x562/0x8a0 [ 59.232289][ T5026] report_bug+0x2da/0x500 [ 59.236614][ T5026] handle_bug+0x3c/0x70 [ 59.240761][ T5026] exc_invalid_op+0x18/0x50 [ 59.245273][ T5026] asm_exc_invalid_op+0x1a/0x20 [ 59.250118][ T5026] RIP: 0010:blkdev_put+0x562/0x8a0 [ 59.255227][ T5026] 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 [ 59.274922][ T5026] RSP: 0018:ffffc90003a1fa28 EFLAGS: 00010293 [ 59.280997][ T5026] RAX: 0000000000000000 RBX: ffff88801e618000 RCX: 0000000000000000 [ 59.288972][ T5026] RDX: ffff88802993d940 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 59.296947][ T5026] RBP: ffff888141764000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 59.304921][ T5026] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801e618038 [ 59.312894][ T5026] R13: ffffc90003a41000 R14: ffff888141764460 R15: ffff88801e618000 [ 59.320882][ T5026] ? blkdev_put+0x562/0x8a0 [ 59.325420][ T5026] ? blkdev_put+0x562/0x8a0 [ 59.329949][ T5026] free_journal_ram+0x421/0x5c0 [ 59.334816][ T5026] journal_release+0x276/0x630 [ 59.339593][ T5026] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 59.346286][ T5026] ? do_raw_spin_unlock+0x175/0x230 [ 59.351517][ T5026] reiserfs_put_super+0xe4/0x5c0 [ 59.356473][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 59.361781][ T5026] ? dispose_list+0x1e0/0x1e0 [ 59.366479][ T5026] ? fscrypt_destroy_keyring+0x1a/0x380 [ 59.372040][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 59.377341][ T5026] generic_shutdown_super+0x158/0x480 [ 59.382729][ T5026] kill_block_super+0x64/0xb0 [ 59.387420][ T5026] deactivate_locked_super+0x98/0x160 [ 59.392808][ T5026] deactivate_super+0xb1/0xd0 [ 59.397507][ T5026] cleanup_mnt+0x2ae/0x3d0 [ 59.401938][ T5026] task_work_run+0x16f/0x270 [ 59.406540][ T5026] ? task_work_cancel+0x30/0x30 [ 59.411396][ T5026] ? __put_net+0x61/0x70 [ 59.415665][ T5026] do_exit+0xadc/0x2a30 [ 59.419833][ T5026] ? lock_downgrade+0x690/0x690 [ 59.424700][ T5026] ? do_raw_spin_lock+0x124/0x2b0 [ 59.429743][ T5026] ? mm_update_next_owner+0x7b0/0x7b0 [ 59.435121][ T5026] ? spin_bug+0x1c0/0x1c0 [ 59.439473][ T5026] ? _raw_spin_unlock_irq+0x23/0x50 [ 59.444690][ T5026] do_group_exit+0xd4/0x2a0 [ 59.449204][ T5026] __x64_sys_exit_group+0x3e/0x50 [ 59.454240][ T5026] do_syscall_64+0x39/0xb0 [ 59.458680][ T5026] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.464584][ T5026] RIP: 0033:0x7f4da5631cf9 [ 59.469005][ T5026] Code: Unable to access opcode bytes at 0x7f4da5631ccf. [ 59.476019][ T5026] RSP: 002b:00007ffc2fb98cc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 59.484448][ T5026] RAX: ffffffffffffffda RBX: 00007f4da56a83f0 RCX: 00007f4da5631cf9 [ 59.492425][ T5026] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 59.500402][ T5026] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000000010f7 [ 59.508381][ T5026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4da56a83f0 [ 59.516355][ T5026] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 59.524343][ T5026] [ 59.527513][ T5026] Kernel Offset: disabled [ 59.531915][ T5026] Rebooting in 86400 seconds..