./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor417758618 <...> Warning: Permanently added '10.128.1.60' (ED25519) to the list of known hosts. execve("./syz-executor417758618", ["./syz-executor417758618"], 0x7ffd412eceb0 /* 10 vars */) = 0 brk(NULL) = 0x555581b8c000 brk(0x555581b8cd00) = 0x555581b8cd00 arch_prctl(ARCH_SET_FS, 0x555581b8c380) = 0 set_tid_address(0x555581b8c650) = 5076 set_robust_list(0x555581b8c660, 24) = 0 rseq(0x555581b8cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor417758618", 4096) = 27 getrandom("\x5a\xdd\x27\x6c\xa1\x2e\xb3\x92", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555581b8cd00 brk(0x555581badd00) = 0x555581badd00 brk(0x555581bae000) = 0x555581bae000 mprotect(0x7fc1007f4000, 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./strace-static-x86_64: Process 5077 attached , child_tidptr=0x555581b8c650) = 5077 [pid 5077] set_robust_list(0x555581b8c660, 24) = 0 [pid 5077] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] setsid() = 1 [pid 5077] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5077] unshare(CLONE_NEWNS) = 0 [pid 5077] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5077] unshare(CLONE_NEWIPC) = 0 [pid 5077] unshare(CLONE_NEWCGROUP) = 0 [pid 5077] unshare(CLONE_NEWUTS) = 0 [pid 5077] unshare(CLONE_SYSVSEM) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "16777216", 8) = 8 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "536870912", 9) = 9 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "8192", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5077] close(3) = 0 [pid 5077] getpid() = 1 [pid 5077] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 77.923777][ T10] RSP: 0018:ffffc900000f7180 EFLAGS: 00010293 [ 77.929858][ T10] RAX: ffffffff827f7468 RBX: 0000000000000005 RCX: ffff888017699e00 [ 77.937836][ T10] RDX: 0000000000000000 RSI: ffffffff8e54ed40 RDI: 0000000000000005 [ 77.947935][ T10] RBP: ffffc900000f7310 R08: 0000000000000007 R09: ffffffff827f6712 [ 77.957676][ T10] R10: 0000000000000003 R11: ffff888017699e00 R12: 1ffff9200001ee34 [ 77.965666][ T10] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888078d08e58 [ 77.973668][ T10] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 77.982807][ T10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.989502][ T10] CR2: 00007fc0f8207c00 CR3: 0000000022718000 CR4: 00000000003506f0 [ 77.997501][ T10] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.005573][ T10] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.013726][ T10] Call Trace: [ 78.017054][ T10] [ 78.020080][ T10] ? __die_body+0x88/0xe0 [ 78.024612][ T10] ? die+0xcf/0x110 [ 78.028732][ T10] ? do_trap+0x15a/0x3a0 [ 78.033565][ T10] ? hfs_write_inode+0xeb9/0xec0 [ 78.039582][ T10] ? do_error_trap+0x1dc/0x2c0 [ 78.044707][ T10] ? hfs_write_inode+0xeb9/0xec0 [ 78.050757][ T10] ? __pfx_do_error_trap+0x10/0x10 [ 78.056119][ T10] ? report_bug+0x3e8/0x500 [ 78.060673][ T10] ? handle_invalid_op+0x34/0x40 [ 78.065915][ T10] ? hfs_write_inode+0xeb9/0xec0 [ 78.070880][ T10] ? exc_invalid_op+0x38/0x50 [ 78.075565][ T10] ? asm_exc_invalid_op+0x1a/0x20 [ 78.080599][ T10] ? hfs_write_inode+0x162/0xec0 [ 78.085540][ T10] ? hfs_write_inode+0xeb8/0xec0 [ 78.090478][ T10] ? hfs_write_inode+0xeb9/0xec0 [ 78.095509][ T10] ? __pfx_hfs_write_inode+0x10/0x10 [ 78.100815][ T10] ? __writeback_single_inode+0x4d1/0x10b0 [ 78.106664][ T10] ? do_raw_spin_unlock+0x13c/0x8b0 [ 78.112167][ T10] __writeback_single_inode+0x6b9/0x10b0 [ 78.117951][ T10] writeback_sb_inodes+0x905/0x1260 [ 78.123657][ T10] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 78.129316][ T10] ? do_raw_spin_lock+0x14f/0x370 [ 78.134372][ T10] ? __lock_acquire+0x1346/0x1fd0 [ 78.139696][ T10] ? rcu_is_watching+0x15/0xb0 [ 78.144556][ T10] ? queue_io+0x3d9/0x5a0 [ 78.148921][ T10] wb_writeback+0x457/0xce0 [ 78.153536][ T10] ? __pfx_wb_writeback+0x10/0x10 [ 78.159728][ T10] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 78.165837][ T10] wb_workfn+0x410/0x1090 [ 78.170284][ T10] ? __pfx_wb_workfn+0x10/0x10 [ 78.175084][ T10] ? __pfx_lock_acquire+0x10/0x10 [ 78.180147][ T10] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 78.186145][ T10] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 78.192497][ T10] ? process_scheduled_works+0x91b/0x17c0 [ 78.198332][ T10] process_scheduled_works+0xa10/0x17c0 [ 78.203996][ T10] ? __pfx_process_scheduled_works+0x10/0x10 [ 78.209981][ T10] ? assign_work+0x364/0x3d0 [ 78.214572][ T10] worker_thread+0x86d/0xd70 [ 78.219171][ T10] ? __kthread_parkme+0x169/0x1d0 [ 78.224200][ T10] ? __pfx_worker_thread+0x10/0x10 [ 78.229311][ T10] kthread+0x2f0/0x390 [ 78.233388][ T10] ? __pfx_worker_thread+0x10/0x10 [ 78.238501][ T10] ? __pfx_kthread+0x10/0x10 [ 78.243094][ T10] ret_from_fork+0x4b/0x80 [ 78.247538][ T10] ? __pfx_kthread+0x10/0x10 [ 78.252233][ T10] ret_from_fork_asm+0x1a/0x30 [ 78.257092][ T10] [ 78.260140][ T10] Modules linked in: [ 78.264251][ T10] ---[ end trace 0000000000000000 ]--- [ 78.269743][ T10] RIP: 0010:hfs_write_inode+0xeb9/0xec0 [ 78.275623][ T10] Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 37 9e 77 ff e9 93 fb ff ff e8 7d b8 f7 08 e8 08 8c 16 ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 78.296223][ T10] RSP: 0018:ffffc900000f7180 EFLAGS: 00010293 [ 78.302413][ T10] RAX: ffffffff827f7468 RBX: 0000000000000005 RCX: ffff888017699e00 [ 78.310422][ T10] RDX: 0000000000000000 RSI: ffffffff8e54ed40 RDI: 0000000000000005 [ 78.318461][ T10] RBP: ffffc900000f7310 R08: 0000000000000007 R09: ffffffff827f6712 [ 78.326488][ T10] R10: 0000000000000003 R11: ffff888017699e00 R12: 1ffff9200001ee34 [ 78.334519][ T10] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888078d08e58 [ 78.342531][ T10] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 78.351505][ T10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.358206][ T10] CR2: 00007fc0f8207c00 CR3: 000000000e134000 CR4: 00000000003506f0 [ 78.366305][ T10] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.374502][ T10] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.382558][ T10] Kernel panic - not syncing: Fatal exception [ 78.388881][ T10] Kernel Offset: disabled [ 78.393479][ T10] Rebooting in 86400 seconds..