./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor892362165 <...> Warning: Permanently added '10.128.1.66' (ECDSA) to the list of known hosts. execve("./syz-executor892362165", ["./syz-executor892362165"], 0x7ffffd6ad760 /* 10 vars */) = 0 brk(NULL) = 0x555555a1b000 brk(0x555555a1bc40) = 0x555555a1bc40 arch_prctl(ARCH_SET_FS, 0x555555a1b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor892362165", 4096) = 27 brk(0x555555a3cc40) = 0x555555a3cc40 brk(0x555555a3d000) = 0x555555a3d000 mprotect(0x7fa5a9fe7000, 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=0x555555a1b5d0) = 5025 ./strace-static-x86_64: Process 5025 attached [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 [ 56.859588][ T5025] RSP: 0018:ffffc9000399fa28 EFLAGS: 00010293 [ 56.865703][ T5025] RAX: 0000000000000000 RBX: ffff88801e604500 RCX: 0000000000000000 [ 56.873850][ T5025] RDX: ffff88802037bb80 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 56.881921][ T5025] RBP: ffff8881401d3000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 56.890046][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801e604538 [ 56.898093][ T5025] R13: ffffc90003a31000 R14: ffff8881401d3460 R15: ffff88801e604500 [ 56.906123][ T5025] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 56.915272][ T5025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.921876][ T5025] CR2: 00007fa5a9feb140 CR3: 000000000c775000 CR4: 00000000003506e0 [ 56.931188][ T5025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.939398][ T5025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.947408][ T5025] Call Trace: [ 56.950701][ T5025] [ 56.953622][ T5025] ? __warn+0xe6/0x390 [ 56.957750][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.962284][ T5025] ? report_bug+0x2da/0x500 [ 56.966861][ T5025] ? handle_bug+0x3c/0x70 [ 56.971207][ T5025] ? exc_invalid_op+0x18/0x50 [ 56.975939][ T5025] ? asm_exc_invalid_op+0x1a/0x20 [ 56.980986][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.985556][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.990084][ T5025] ? blkdev_put+0x562/0x8a0 [ 56.994587][ T5025] free_journal_ram+0x421/0x5c0 [ 56.999528][ T5025] journal_release+0x276/0x630 [ 57.004312][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 57.011047][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 57.016303][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 57.021239][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.026577][ T5025] ? dispose_list+0x1e0/0x1e0 [ 57.031283][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 57.036900][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.042234][ T5025] generic_shutdown_super+0x158/0x480 [ 57.047687][ T5025] kill_block_super+0x64/0xb0 [ 57.052387][ T5025] deactivate_locked_super+0x98/0x160 [ 57.057816][ T5025] deactivate_super+0xb1/0xd0 [ 57.062515][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 57.066984][ T5025] task_work_run+0x16f/0x270 [ 57.071597][ T5025] ? task_work_cancel+0x30/0x30 [ 57.076509][ T5025] ? __put_net+0x61/0x70 [ 57.080780][ T5025] do_exit+0xadc/0x2a30 [ 57.084927][ T5025] ? lock_downgrade+0x690/0x690 [ 57.089828][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 57.094882][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 57.100316][ T5025] ? spin_bug+0x1c0/0x1c0 [ 57.104682][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.110108][ T5025] do_group_exit+0xd4/0x2a0 [ 57.114658][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 57.119752][ T5025] do_syscall_64+0x39/0xb0 [ 57.124194][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.130178][ T5025] RIP: 0033:0x7fa5a9f769c9 [ 57.134655][ T5025] Code: Unable to access opcode bytes at 0x7fa5a9f7699f. [ 57.141721][ T5025] RSP: 002b:00007fffbbd1d0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 57.150186][ T5025] RAX: ffffffffffffffda RBX: 00007fa5a9fed330 RCX: 00007fa5a9f769c9 [ 57.158219][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 57.166242][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 57.174231][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa5a9fed330 [ 57.182322][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 57.190369][ T5025] [ 57.193380][ T5025] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 57.200678][ T5025] CPU: 1 PID: 5025 Comm: syz-executor892 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 57.210576][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 57.220632][ T5025] Call Trace: [ 57.223905][ T5025] [ 57.226827][ T5025] dump_stack_lvl+0xd9/0x150 [ 57.231420][ T5025] panic+0x686/0x730 [ 57.235310][ T5025] ? panic_smp_self_stop+0xa0/0xa0 [ 57.240415][ T5025] ? show_trace_log_lvl+0x284/0x390 [ 57.245636][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.250147][ T5025] check_panic_on_warn+0xb1/0xc0 [ 57.255090][ T5025] __warn+0xf2/0x390 [ 57.259006][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.263509][ T5025] report_bug+0x2da/0x500 [ 57.267848][ T5025] handle_bug+0x3c/0x70 [ 57.272020][ T5025] exc_invalid_op+0x18/0x50 [ 57.276513][ T5025] asm_exc_invalid_op+0x1a/0x20 [ 57.281380][ T5025] RIP: 0010:blkdev_put+0x562/0x8a0 [ 57.286485][ 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 [ 57.306179][ T5025] RSP: 0018:ffffc9000399fa28 EFLAGS: 00010293 [ 57.312254][ T5025] RAX: 0000000000000000 RBX: ffff88801e604500 RCX: 0000000000000000 [ 57.320313][ T5025] RDX: ffff88802037bb80 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 57.328287][ T5025] RBP: ffff8881401d3000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 57.336349][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801e604538 [ 57.344424][ T5025] R13: ffffc90003a31000 R14: ffff8881401d3460 R15: ffff88801e604500 [ 57.352495][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.357112][ T5025] ? blkdev_put+0x562/0x8a0 [ 57.361637][ T5025] free_journal_ram+0x421/0x5c0 [ 57.366501][ T5025] journal_release+0x276/0x630 [ 57.371276][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 57.377978][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 57.383384][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 57.388420][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.393810][ T5025] ? dispose_list+0x1e0/0x1e0 [ 57.398509][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 57.404070][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.409380][ T5025] generic_shutdown_super+0x158/0x480 [ 57.414773][ T5025] kill_block_super+0x64/0xb0 [ 57.419468][ T5025] deactivate_locked_super+0x98/0x160 [ 57.424865][ T5025] deactivate_super+0xb1/0xd0 [ 57.429561][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 57.433991][ T5025] task_work_run+0x16f/0x270 [ 57.438594][ T5025] ? task_work_cancel+0x30/0x30 [ 57.443450][ T5025] ? __put_net+0x61/0x70 [ 57.447713][ T5025] do_exit+0xadc/0x2a30 [ 57.451876][ T5025] ? lock_downgrade+0x690/0x690 [ 57.456742][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 57.461786][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 57.467166][ T5025] ? spin_bug+0x1c0/0x1c0 [ 57.471515][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.476726][ T5025] do_group_exit+0xd4/0x2a0 [ 57.481237][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 57.486319][ T5025] do_syscall_64+0x39/0xb0 [ 57.490753][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.496661][ T5025] RIP: 0033:0x7fa5a9f769c9 [ 57.501076][ T5025] Code: Unable to access opcode bytes at 0x7fa5a9f7699f. [ 57.508086][ T5025] RSP: 002b:00007fffbbd1d0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 57.516516][ T5025] RAX: ffffffffffffffda RBX: 00007fa5a9fed330 RCX: 00007fa5a9f769c9 [ 57.524489][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 57.532491][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 57.540466][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa5a9fed330 [ 57.548439][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 57.556427][ T5025] [ 57.559711][ T5025] Kernel Offset: disabled [ 57.564119][ T5025] Rebooting in 86400 seconds..