./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2989701976 <...> Warning: Permanently added '10.128.0.149' (ECDSA) to the list of known hosts. execve("./syz-executor2989701976", ["./syz-executor2989701976"], 0x7ffcb892da00 /* 10 vars */) = 0 brk(NULL) = 0x5555569f2000 brk(0x5555569f2c40) = 0x5555569f2c40 arch_prctl(ARCH_SET_FS, 0x5555569f2300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2989701976", 4096) = 28 brk(0x555556a13c40) = 0x555556a13c40 brk(0x555556a14000) = 0x555556a14000 mprotect(0x7fd2213d6000, 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=0x5555569f25d0) = 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 [ 62.374935][ T5025] RSP: 0018:ffffc90003aafa28 EFLAGS: 00010293 [ 62.381058][ T5025] RAX: 0000000000000000 RBX: ffff888148cc8000 RCX: 0000000000000000 [ 62.389452][ T5025] RDX: ffff888027ca0000 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 62.397664][ T5025] RBP: ffff88801fbee000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 62.405790][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148cc8038 [ 62.414363][ T5025] R13: ffffc90003ab1000 R14: ffff88801fbee460 R15: ffff888148cc8000 [ 62.422447][ T5025] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 62.431433][ T5025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.438136][ T5025] CR2: 00007fd2213da140 CR3: 000000000c775000 CR4: 00000000003506f0 [ 62.446153][ T5025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.454156][ T5025] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.462139][ T5025] Call Trace: [ 62.465462][ T5025] [ 62.468410][ T5025] ? __warn+0xe6/0x390 [ 62.472484][ T5025] ? blkdev_put+0x562/0x8a0 [ 62.477042][ T5025] ? report_bug+0x2da/0x500 [ 62.481579][ T5025] ? handle_bug+0x3c/0x70 [ 62.485966][ T5025] ? exc_invalid_op+0x18/0x50 [ 62.490667][ T5025] ? asm_exc_invalid_op+0x1a/0x20 [ 62.495915][ T5025] ? blkdev_put+0x562/0x8a0 [ 62.500448][ T5025] ? blkdev_put+0x562/0x8a0 [ 62.505018][ T5025] ? blkdev_put+0x562/0x8a0 [ 62.509660][ T5025] free_journal_ram+0x421/0x5c0 [ 62.514562][ T5025] journal_release+0x276/0x630 [ 62.519345][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 62.526101][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 62.531349][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 62.536376][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 62.541694][ T5025] ? dispose_list+0x1e0/0x1e0 [ 62.546513][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 62.552081][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 62.557418][ T5025] generic_shutdown_super+0x158/0x480 [ 62.562829][ T5025] kill_block_super+0x64/0xb0 [ 62.567561][ T5025] deactivate_locked_super+0x98/0x160 [ 62.572958][ T5025] deactivate_super+0xb1/0xd0 [ 62.577677][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 62.582118][ T5025] task_work_run+0x16f/0x270 [ 62.586760][ T5025] ? task_work_cancel+0x30/0x30 [ 62.591644][ T5025] ? __put_net+0x61/0x70 [ 62.595953][ T5025] do_exit+0xadc/0x2a30 [ 62.600141][ T5025] ? lock_downgrade+0x690/0x690 [ 62.605031][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 62.610168][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 62.615579][ T5025] ? spin_bug+0x1c0/0x1c0 [ 62.619933][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 62.625181][ T5025] do_group_exit+0xd4/0x2a0 [ 62.629713][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 62.634880][ T5025] do_syscall_64+0x39/0xb0 [ 62.639320][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.645270][ T5025] RIP: 0033:0x7fd2213659c9 [ 62.649791][ T5025] Code: Unable to access opcode bytes at 0x7fd22136599f. [ 62.656872][ T5025] RSP: 002b:00007fffb7940298 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 62.665380][ T5025] RAX: ffffffffffffffda RBX: 00007fd2213dc330 RCX: 00007fd2213659c9 [ 62.673365][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 62.681374][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 62.689911][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd2213dc330 [ 62.697916][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 62.705947][ T5025] [ 62.708969][ T5025] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 62.716233][ T5025] CPU: 0 PID: 5025 Comm: syz-executor298 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 62.726196][ T5025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 62.736239][ T5025] Call Trace: [ 62.739506][ T5025] [ 62.742438][ T5025] dump_stack_lvl+0xd9/0x150 [ 62.747022][ T5025] panic+0x686/0x730 [ 62.750912][ T5025] ? panic_smp_self_stop+0xa0/0xa0 [ 62.756017][ T5025] ? show_trace_log_lvl+0x284/0x390 [ 62.761220][ T5025] ? blkdev_put+0x562/0x8a0 [ 62.765730][ T5025] check_panic_on_warn+0xb1/0xc0 [ 62.770684][ T5025] __warn+0xf2/0x390 [ 62.774590][ T5025] ? blkdev_put+0x562/0x8a0 [ 62.779121][ T5025] report_bug+0x2da/0x500 [ 62.783490][ T5025] handle_bug+0x3c/0x70 [ 62.787678][ T5025] exc_invalid_op+0x18/0x50 [ 62.792218][ T5025] asm_exc_invalid_op+0x1a/0x20 [ 62.797113][ T5025] RIP: 0010:blkdev_put+0x562/0x8a0 [ 62.802275][ 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 [ 62.822071][ T5025] RSP: 0018:ffffc90003aafa28 EFLAGS: 00010293 [ 62.828260][ T5025] RAX: 0000000000000000 RBX: ffff888148cc8000 RCX: 0000000000000000 [ 62.836248][ T5025] RDX: ffff888027ca0000 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 62.844237][ T5025] RBP: ffff88801fbee000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 62.852214][ T5025] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff888148cc8038 [ 62.860234][ T5025] R13: ffffc90003ab1000 R14: ffff88801fbee460 R15: ffff888148cc8000 [ 62.868367][ T5025] ? blkdev_put+0x562/0x8a0 [ 62.872931][ T5025] ? blkdev_put+0x562/0x8a0 [ 62.877469][ T5025] free_journal_ram+0x421/0x5c0 [ 62.882348][ T5025] journal_release+0x276/0x630 [ 62.887144][ T5025] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 62.893868][ T5025] ? do_raw_spin_unlock+0x175/0x230 [ 62.899109][ T5025] reiserfs_put_super+0xe4/0x5c0 [ 62.904069][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 62.909379][ T5025] ? dispose_list+0x1e0/0x1e0 [ 62.914075][ T5025] ? fscrypt_destroy_keyring+0x1a/0x380 [ 62.919636][ T5025] ? reiserfs_quota_read+0x4f0/0x4f0 [ 62.924941][ T5025] generic_shutdown_super+0x158/0x480 [ 62.930353][ T5025] kill_block_super+0x64/0xb0 [ 62.935063][ T5025] deactivate_locked_super+0x98/0x160 [ 62.940468][ T5025] deactivate_super+0xb1/0xd0 [ 62.945171][ T5025] cleanup_mnt+0x2ae/0x3d0 [ 62.949619][ T5025] task_work_run+0x16f/0x270 [ 62.954239][ T5025] ? task_work_cancel+0x30/0x30 [ 62.959118][ T5025] ? __put_net+0x61/0x70 [ 62.963390][ T5025] do_exit+0xadc/0x2a30 [ 62.967565][ T5025] ? lock_downgrade+0x690/0x690 [ 62.972445][ T5025] ? do_raw_spin_lock+0x124/0x2b0 [ 62.977498][ T5025] ? mm_update_next_owner+0x7b0/0x7b0 [ 62.982880][ T5025] ? spin_bug+0x1c0/0x1c0 [ 62.987226][ T5025] ? _raw_spin_unlock_irq+0x23/0x50 [ 62.992438][ T5025] do_group_exit+0xd4/0x2a0 [ 62.996956][ T5025] __x64_sys_exit_group+0x3e/0x50 [ 63.001989][ T5025] do_syscall_64+0x39/0xb0 [ 63.006414][ T5025] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.012318][ T5025] RIP: 0033:0x7fd2213659c9 [ 63.016740][ T5025] Code: Unable to access opcode bytes at 0x7fd22136599f. [ 63.023757][ T5025] RSP: 002b:00007fffb7940298 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 63.032174][ T5025] RAX: ffffffffffffffda RBX: 00007fd2213dc330 RCX: 00007fd2213659c9 [ 63.040149][ T5025] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 63.048121][ T5025] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 63.056101][ T5025] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd2213dc330 [ 63.064069][ T5025] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 63.072061][ T5025] [ 63.075229][ T5025] Kernel Offset: disabled [ 63.079635][ T5025] Rebooting in 86400 seconds..