./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2959703127 <...> Warning: Permanently added '10.128.0.125' (ECDSA) to the list of known hosts. execve("./syz-executor2959703127", ["./syz-executor2959703127"], 0x7ffc9555dd50 /* 10 vars */) = 0 brk(NULL) = 0x555555fd1000 brk(0x555555fd1c40) = 0x555555fd1c40 arch_prctl(ARCH_SET_FS, 0x555555fd1300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2959703127", 4096) = 28 brk(0x555555ff2c40) = 0x555555ff2c40 brk(0x555555ff3000) = 0x555555ff3000 mprotect(0x7fa18dff1000, 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=0x555555fd15d0) = 5024 ./strace-static-x86_64: Process 5024 attached [pid 5024] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5024] setsid() = 1 [pid 5024] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5024] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5024] unshare(CLONE_NEWNS) = 0 [pid 5024] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5024] unshare(CLONE_NEWIPC) = 0 [pid 5024] unshare(CLONE_NEWCGROUP) = 0 [pid 5024] unshare(CLONE_NEWUTS) = 0 [pid 5024] unshare(CLONE_SYSVSEM) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "16777216", 8) = 8 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "536870912", 9) = 9 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "8192", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024", 4) = 4 [pid 5024] close(3) = 0 [pid 5024] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5024] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5024] close(3) = 0 [pid 5024] getpid() = 1 [pid 5024] 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 [ 61.255536][ T5024] RSP: 0018:ffffc90003a8fa28 EFLAGS: 00010293 [ 61.261618][ T5024] RAX: 0000000000000000 RBX: ffff88801ac32e00 RCX: 0000000000000000 [ 61.269822][ T5024] RDX: ffff88807e563b80 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 61.278053][ T5024] RBP: ffff888141b07000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 61.286230][ T5024] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801ac32e38 [ 61.294231][ T5024] R13: ffffc90003ab1000 R14: ffff888141b07460 R15: ffff88801ac32e00 [ 61.302316][ T5024] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 61.311299][ T5024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.317930][ T5024] CR2: 00007fa18dff5140 CR3: 000000000c775000 CR4: 00000000003506f0 [ 61.325948][ T5024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.333914][ T5024] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.341935][ T5024] Call Trace: [ 61.345248][ T5024] [ 61.348173][ T5024] ? __warn+0xe6/0x390 [ 61.352242][ T5024] ? blkdev_put+0x562/0x8a0 [ 61.356788][ T5024] ? report_bug+0x2da/0x500 [ 61.361338][ T5024] ? handle_bug+0x3c/0x70 [ 61.365717][ T5024] ? exc_invalid_op+0x18/0x50 [ 61.370416][ T5024] ? asm_exc_invalid_op+0x1a/0x20 [ 61.375527][ T5024] ? blkdev_put+0x562/0x8a0 [ 61.380064][ T5024] ? blkdev_put+0x562/0x8a0 [ 61.384636][ T5024] ? blkdev_put+0x562/0x8a0 [ 61.389172][ T5024] free_journal_ram+0x421/0x5c0 [ 61.394028][ T5024] journal_release+0x276/0x630 [ 61.398881][ T5024] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 61.405648][ T5024] ? do_raw_spin_unlock+0x175/0x230 [ 61.411035][ T5024] reiserfs_put_super+0xe4/0x5c0 [ 61.416051][ T5024] ? reiserfs_quota_read+0x4f0/0x4f0 [ 61.421416][ T5024] ? dispose_list+0x1e0/0x1e0 [ 61.426200][ T5024] ? fscrypt_destroy_keyring+0x1a/0x380 [ 61.431832][ T5024] ? reiserfs_quota_read+0x4f0/0x4f0 [ 61.437189][ T5024] generic_shutdown_super+0x158/0x480 [ 61.442695][ T5024] kill_block_super+0x64/0xb0 [ 61.447432][ T5024] deactivate_locked_super+0x98/0x160 [ 61.452834][ T5024] deactivate_super+0xb1/0xd0 [ 61.457572][ T5024] cleanup_mnt+0x2ae/0x3d0 [ 61.462046][ T5024] task_work_run+0x16f/0x270 [ 61.466697][ T5024] ? task_work_cancel+0x30/0x30 [ 61.471567][ T5024] ? __put_net+0x61/0x70 [ 61.475875][ T5024] do_exit+0xadc/0x2a30 [ 61.480053][ T5024] ? lock_downgrade+0x690/0x690 [ 61.485143][ T5024] ? do_raw_spin_lock+0x124/0x2b0 [ 61.490197][ T5024] ? mm_update_next_owner+0x7b0/0x7b0 [ 61.495665][ T5024] ? spin_bug+0x1c0/0x1c0 [ 61.500063][ T5024] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.505325][ T5024] do_group_exit+0xd4/0x2a0 [ 61.509853][ T5024] __x64_sys_exit_group+0x3e/0x50 [ 61.514930][ T5024] do_syscall_64+0x39/0xb0 [ 61.519372][ T5024] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.525319][ T5024] RIP: 0033:0x7fa18df809c9 [ 61.529763][ T5024] Code: Unable to access opcode bytes at 0x7fa18df8099f. [ 61.537108][ T5024] RSP: 002b:00007fff06af5f78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 61.545686][ T5024] RAX: ffffffffffffffda RBX: 00007fa18dff7330 RCX: 00007fa18df809c9 [ 61.553673][ T5024] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 61.561703][ T5024] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 61.569754][ T5024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa18dff7330 [ 61.577798][ T5024] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 61.585828][ T5024] [ 61.588842][ T5024] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 61.596124][ T5024] CPU: 0 PID: 5024 Comm: syz-executor295 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 61.606644][ T5024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 61.616690][ T5024] Call Trace: [ 61.619957][ T5024] [ 61.622876][ T5024] dump_stack_lvl+0xd9/0x150 [ 61.627463][ T5024] panic+0x686/0x730 [ 61.631357][ T5024] ? panic_smp_self_stop+0xa0/0xa0 [ 61.636463][ T5024] ? show_trace_log_lvl+0x284/0x390 [ 61.641687][ T5024] ? blkdev_put+0x562/0x8a0 [ 61.646190][ T5024] check_panic_on_warn+0xb1/0xc0 [ 61.651139][ T5024] __warn+0xf2/0x390 [ 61.655034][ T5024] ? blkdev_put+0x562/0x8a0 [ 61.659542][ T5024] report_bug+0x2da/0x500 [ 61.663869][ T5024] handle_bug+0x3c/0x70 [ 61.668023][ T5024] exc_invalid_op+0x18/0x50 [ 61.672519][ T5024] asm_exc_invalid_op+0x1a/0x20 [ 61.677364][ T5024] RIP: 0010:blkdev_put+0x562/0x8a0 [ 61.682477][ T5024] 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 [ 61.702265][ T5024] RSP: 0018:ffffc90003a8fa28 EFLAGS: 00010293 [ 61.708343][ T5024] RAX: 0000000000000000 RBX: ffff88801ac32e00 RCX: 0000000000000000 [ 61.716323][ T5024] RDX: ffff88807e563b80 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 61.724302][ T5024] RBP: ffff888141b07000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 61.732282][ T5024] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801ac32e38 [ 61.740261][ T5024] R13: ffffc90003ab1000 R14: ffff888141b07460 R15: ffff88801ac32e00 [ 61.748248][ T5024] ? blkdev_put+0x562/0x8a0 [ 61.752781][ T5024] ? blkdev_put+0x562/0x8a0 [ 61.757316][ T5024] free_journal_ram+0x421/0x5c0 [ 61.762188][ T5024] journal_release+0x276/0x630 [ 61.767015][ T5024] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 61.773709][ T5024] ? do_raw_spin_unlock+0x175/0x230 [ 61.778953][ T5024] reiserfs_put_super+0xe4/0x5c0 [ 61.783908][ T5024] ? reiserfs_quota_read+0x4f0/0x4f0 [ 61.789218][ T5024] ? dispose_list+0x1e0/0x1e0 [ 61.793916][ T5024] ? fscrypt_destroy_keyring+0x1a/0x380 [ 61.799477][ T5024] ? reiserfs_quota_read+0x4f0/0x4f0 [ 61.804783][ T5024] generic_shutdown_super+0x158/0x480 [ 61.810178][ T5024] kill_block_super+0x64/0xb0 [ 61.814892][ T5024] deactivate_locked_super+0x98/0x160 [ 61.820287][ T5024] deactivate_super+0xb1/0xd0 [ 61.824985][ T5024] cleanup_mnt+0x2ae/0x3d0 [ 61.829420][ T5024] task_work_run+0x16f/0x270 [ 61.834022][ T5024] ? task_work_cancel+0x30/0x30 [ 61.838883][ T5024] ? __put_net+0x61/0x70 [ 61.843167][ T5024] do_exit+0xadc/0x2a30 [ 61.847338][ T5024] ? lock_downgrade+0x690/0x690 [ 61.852207][ T5024] ? do_raw_spin_lock+0x124/0x2b0 [ 61.857253][ T5024] ? mm_update_next_owner+0x7b0/0x7b0 [ 61.862635][ T5024] ? spin_bug+0x1c0/0x1c0 [ 61.866991][ T5024] ? _raw_spin_unlock_irq+0x23/0x50 [ 61.872206][ T5024] do_group_exit+0xd4/0x2a0 [ 61.876730][ T5024] __x64_sys_exit_group+0x3e/0x50 [ 61.881769][ T5024] do_syscall_64+0x39/0xb0 [ 61.886206][ T5024] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.892899][ T5024] RIP: 0033:0x7fa18df809c9 [ 61.897319][ T5024] Code: Unable to access opcode bytes at 0x7fa18df8099f. [ 61.904338][ T5024] RSP: 002b:00007fff06af5f78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 61.912763][ T5024] RAX: ffffffffffffffda RBX: 00007fa18dff7330 RCX: 00007fa18df809c9 [ 61.920740][ T5024] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 61.928715][ T5024] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 61.936691][ T5024] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa18dff7330 [ 61.944755][ T5024] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 61.952754][ T5024] [ 61.955980][ T5024] Kernel Offset: disabled [ 61.960479][ T5024] Rebooting in 86400 seconds..