./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2259582309 <...> Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. execve("./syz-executor2259582309", ["./syz-executor2259582309"], 0x7fff31011e10 /* 10 vars */) = 0 brk(NULL) = 0x555556285000 brk(0x555556285c40) = 0x555556285c40 arch_prctl(ARCH_SET_FS, 0x555556285300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2259582309", 4096) = 28 brk(0x5555562a6c40) = 0x5555562a6c40 brk(0x5555562a7000) = 0x5555562a7000 mprotect(0x7f38c5049000, 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=0x5555562855d0) = 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 [ 57.431701][ T5026] RSP: 0018:ffffc90003a1fa28 EFLAGS: 00010293 [ 57.437938][ T5026] RAX: 0000000000000000 RBX: ffff88801e534500 RCX: 0000000000000000 [ 57.445902][ T5026] RDX: ffff888079889dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 57.454201][ T5026] RBP: ffff8881407ad000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 57.462416][ T5026] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801e534538 [ 57.470732][ T5026] R13: ffffc90003a31000 R14: ffff8881407ad460 R15: ffff88801e534500 [ 57.478762][ T5026] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 57.487960][ T5026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.494551][ T5026] CR2: 00007f38c504d140 CR3: 000000002aa62000 CR4: 00000000003506f0 [ 57.502654][ T5026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.510852][ T5026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.518871][ T5026] Call Trace: [ 57.522154][ T5026] [ 57.525074][ T5026] ? __warn+0xe6/0x390 [ 57.529213][ T5026] ? blkdev_put+0x562/0x8a0 [ 57.533753][ T5026] ? report_bug+0x2da/0x500 [ 57.538323][ T5026] ? handle_bug+0x3c/0x70 [ 57.542673][ T5026] ? exc_invalid_op+0x18/0x50 [ 57.547495][ T5026] ? asm_exc_invalid_op+0x1a/0x20 [ 57.552542][ T5026] ? blkdev_put+0x562/0x8a0 [ 57.557235][ T5026] ? blkdev_put+0x562/0x8a0 [ 57.561766][ T5026] ? blkdev_put+0x562/0x8a0 [ 57.566274][ T5026] free_journal_ram+0x421/0x5c0 [ 57.571252][ T5026] journal_release+0x276/0x630 [ 57.576035][ T5026] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 57.582771][ T5026] ? do_raw_spin_unlock+0x175/0x230 [ 57.588053][ T5026] reiserfs_put_super+0xe4/0x5c0 [ 57.592992][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.598320][ T5026] ? dispose_list+0x1e0/0x1e0 [ 57.603022][ T5026] ? fscrypt_destroy_keyring+0x1a/0x380 [ 57.608652][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.613968][ T5026] generic_shutdown_super+0x158/0x480 [ 57.619430][ T5026] kill_block_super+0x64/0xb0 [ 57.624385][ T5026] deactivate_locked_super+0x98/0x160 [ 57.629824][ T5026] deactivate_super+0xb1/0xd0 [ 57.634527][ T5026] cleanup_mnt+0x2ae/0x3d0 [ 57.639099][ T5026] task_work_run+0x16f/0x270 [ 57.643799][ T5026] ? task_work_cancel+0x30/0x30 [ 57.648779][ T5026] ? __put_net+0x61/0x70 [ 57.653051][ T5026] do_exit+0xadc/0x2a30 [ 57.657253][ T5026] ? lock_downgrade+0x690/0x690 [ 57.662126][ T5026] ? do_raw_spin_lock+0x124/0x2b0 [ 57.667226][ T5026] ? mm_update_next_owner+0x7b0/0x7b0 [ 57.672639][ T5026] ? spin_bug+0x1c0/0x1c0 [ 57.677022][ T5026] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.682337][ T5026] do_group_exit+0xd4/0x2a0 [ 57.686912][ T5026] __x64_sys_exit_group+0x3e/0x50 [ 57.691951][ T5026] do_syscall_64+0x39/0xb0 [ 57.696454][ T5026] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.702396][ T5026] RIP: 0033:0x7f38c4fd89c9 [ 57.706878][ T5026] Code: Unable to access opcode bytes at 0x7f38c4fd899f. [ 57.713968][ T5026] RSP: 002b:00007ffedbc0fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 57.722418][ T5026] RAX: ffffffffffffffda RBX: 00007f38c504f330 RCX: 00007f38c4fd89c9 [ 57.730709][ T5026] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 57.738740][ T5026] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 57.746796][ T5026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38c504f330 [ 57.754796][ T5026] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 57.762839][ T5026] [ 57.765867][ T5026] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 57.773139][ T5026] CPU: 0 PID: 5026 Comm: syz-executor225 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 57.783011][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 57.793053][ T5026] Call Trace: [ 57.796317][ T5026] [ 57.799236][ T5026] dump_stack_lvl+0xd9/0x150 [ 57.803819][ T5026] panic+0x686/0x730 [ 57.807708][ T5026] ? panic_smp_self_stop+0xa0/0xa0 [ 57.812815][ T5026] ? show_trace_log_lvl+0x284/0x390 [ 57.818017][ T5026] ? blkdev_put+0x562/0x8a0 [ 57.822516][ T5026] check_panic_on_warn+0xb1/0xc0 [ 57.827455][ T5026] __warn+0xf2/0x390 [ 57.831344][ T5026] ? blkdev_put+0x562/0x8a0 [ 57.835842][ T5026] report_bug+0x2da/0x500 [ 57.840426][ T5026] handle_bug+0x3c/0x70 [ 57.844577][ T5026] exc_invalid_op+0x18/0x50 [ 57.849072][ T5026] asm_exc_invalid_op+0x1a/0x20 [ 57.853912][ T5026] RIP: 0010:blkdev_put+0x562/0x8a0 [ 57.859111][ 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 [ 57.878724][ T5026] RSP: 0018:ffffc90003a1fa28 EFLAGS: 00010293 [ 57.884810][ T5026] RAX: 0000000000000000 RBX: ffff88801e534500 RCX: 0000000000000000 [ 57.892788][ T5026] RDX: ffff888079889dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 57.900767][ T5026] RBP: ffff8881407ad000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 57.908760][ T5026] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801e534538 [ 57.916834][ T5026] R13: ffffc90003a31000 R14: ffff8881407ad460 R15: ffff88801e534500 [ 57.924910][ T5026] ? blkdev_put+0x562/0x8a0 [ 57.929443][ T5026] ? blkdev_put+0x562/0x8a0 [ 57.933972][ T5026] free_journal_ram+0x421/0x5c0 [ 57.938836][ T5026] journal_release+0x276/0x630 [ 57.943606][ T5026] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 57.950295][ T5026] ? do_raw_spin_unlock+0x175/0x230 [ 57.955609][ T5026] reiserfs_put_super+0xe4/0x5c0 [ 57.960560][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.965861][ T5026] ? dispose_list+0x1e0/0x1e0 [ 57.970559][ T5026] ? fscrypt_destroy_keyring+0x1a/0x380 [ 57.976227][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 57.981552][ T5026] generic_shutdown_super+0x158/0x480 [ 57.986947][ T5026] kill_block_super+0x64/0xb0 [ 57.991641][ T5026] deactivate_locked_super+0x98/0x160 [ 57.997031][ T5026] deactivate_super+0xb1/0xd0 [ 58.001726][ T5026] cleanup_mnt+0x2ae/0x3d0 [ 58.006154][ T5026] task_work_run+0x16f/0x270 [ 58.010755][ T5026] ? task_work_cancel+0x30/0x30 [ 58.015612][ T5026] ? __put_net+0x61/0x70 [ 58.019879][ T5026] do_exit+0xadc/0x2a30 [ 58.024043][ T5026] ? lock_downgrade+0x690/0x690 [ 58.028924][ T5026] ? do_raw_spin_lock+0x124/0x2b0 [ 58.033965][ T5026] ? mm_update_next_owner+0x7b0/0x7b0 [ 58.039343][ T5026] ? spin_bug+0x1c0/0x1c0 [ 58.043690][ T5026] ? _raw_spin_unlock_irq+0x23/0x50 [ 58.048902][ T5026] do_group_exit+0xd4/0x2a0 [ 58.053414][ T5026] __x64_sys_exit_group+0x3e/0x50 [ 58.058445][ T5026] do_syscall_64+0x39/0xb0 [ 58.062874][ T5026] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.068963][ T5026] RIP: 0033:0x7f38c4fd89c9 [ 58.073377][ T5026] Code: Unable to access opcode bytes at 0x7f38c4fd899f. [ 58.080432][ T5026] RSP: 002b:00007ffedbc0fea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 58.088849][ T5026] RAX: ffffffffffffffda RBX: 00007f38c504f330 RCX: 00007f38c4fd89c9 [ 58.096995][ T5026] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 58.104991][ T5026] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 58.113060][ T5026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f38c504f330 [ 58.121041][ T5026] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 58.129030][ T5026] [ 58.132260][ T5026] Kernel Offset: disabled [ 58.136849][ T5026] Rebooting in 86400 seconds..