./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1686845644 <...> Warning: Permanently added '10.128.0.30' (ED25519) to the list of known hosts. execve("./syz-executor1686845644", ["./syz-executor1686845644"], 0x7ffca41b0c00 /* 10 vars */) = 0 brk(NULL) = 0x55557fc55000 brk(0x55557fc55d00) = 0x55557fc55d00 arch_prctl(ARCH_SET_FS, 0x55557fc55380) = 0 set_tid_address(0x55557fc55650) = 5820 set_robust_list(0x55557fc55660, 24) = 0 rseq(0x55557fc55ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1686845644", 4096) = 28 getrandom("\x85\x14\x83\xc0\xc0\x62\x81\x5f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557fc55d00 brk(0x55557fc76d00) = 0x55557fc76d00 brk(0x55557fc77000) = 0x55557fc77000 mprotect(0x7f35b970a000, 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 5821 attached [pid 5821] set_robust_list(0x55557fc55660, 24 [pid 5820] <... clone resumed>, child_tidptr=0x55557fc55650) = 5821 [pid 5821] <... set_robust_list resumed>) = 0 [pid 5821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5821] getppid() = 0 [pid 5821] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5821] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5821] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5821] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5821] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5821] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5821] unshare(CLONE_NEWNS) = 0 [pid 5821] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5821] unshare(CLONE_NEWIPC) = 0 [pid 5821] unshare(CLONE_NEWCGROUP) = 0 [pid 5821] unshare(CLONE_NEWUTS) = 0 [pid 5821] unshare(CLONE_SYSVSEM) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "16777216", 8) = 8 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "536870912", 9) = 9 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1024", 4) = 4 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "8192", 4) = 4 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1024", 4) = 4 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1024", 4) = 4 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5821] close(3) = 0 [pid 5821] getpid() = 1 [pid 5821] 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 [ 60.693267][ T3547] RSP: 0018:ffffc9000ce2f260 EFLAGS: 00010293 [ 60.699329][ T3547] RAX: ffffffff8280c438 RBX: 0000000000000000 RCX: ffff888032353c00 [ 60.707296][ T3547] RDX: 0000000000000000 RSI: ffffffff8eb53da0 RDI: 0000000000000000 [ 60.715277][ T3547] RBP: ffffc9000ce2f3f0 R08: 0000000000000007 R09: ffffffff8280b6e2 [ 60.723257][ T3547] R10: 0000000000000003 R11: ffff888032353c00 R12: 1ffff920019c5e50 [ 60.731246][ T3547] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880347687d8 [ 60.739209][ T3547] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 60.748127][ T3547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.754705][ T3547] CR2: 00007f35b970e130 CR3: 000000000e736000 CR4: 00000000003526f0 [ 60.762664][ T3547] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.770623][ T3547] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.778584][ T3547] Call Trace: [ 60.781855][ T3547] [ 60.784778][ T3547] ? __die_body+0x5f/0xb0 [ 60.789112][ T3547] ? die+0x9e/0xc0 [ 60.792824][ T3547] ? do_trap+0x15a/0x3a0 [ 60.797062][ T3547] ? hfs_write_inode+0xeb9/0xec0 [ 60.802000][ T3547] ? do_error_trap+0x1dc/0x2c0 [ 60.806756][ T3547] ? hfs_write_inode+0xeb9/0xec0 [ 60.811684][ T3547] ? blk_start_plug+0x53/0x1b0 [ 60.816445][ T3547] ? __pfx_do_error_trap+0x10/0x10 [ 60.821549][ T3547] ? report_bug+0x3e8/0x500 [ 60.826054][ T3547] ? handle_invalid_op+0x34/0x40 [ 60.830989][ T3547] ? hfs_write_inode+0xeb9/0xec0 [ 60.835918][ T3547] ? exc_invalid_op+0x38/0x50 [ 60.840583][ T3547] ? asm_exc_invalid_op+0x1a/0x20 [ 60.845602][ T3547] ? hfs_write_inode+0x162/0xec0 [ 60.850534][ T3547] ? hfs_write_inode+0xeb8/0xec0 [ 60.855466][ T3547] ? hfs_write_inode+0xeb9/0xec0 [ 60.860399][ T3547] ? __pfx_hfs_write_inode+0x10/0x10 [ 60.865677][ T3547] ? __writeback_single_inode+0x48f/0x10d0 [ 60.871477][ T3547] ? do_raw_spin_unlock+0x13c/0x8b0 [ 60.876670][ T3547] __writeback_single_inode+0x708/0x10d0 [ 60.882296][ T3547] writeback_sb_inodes+0x820/0x1360 [ 60.887493][ T3547] ? __pfx_lock_acquire+0x10/0x10 [ 60.892508][ T3547] ? __pfx_lock_release+0x10/0x10 [ 60.897524][ T3547] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 60.903158][ T3547] ? rcu_is_watching+0x15/0xb0 [ 60.907915][ T3547] ? queue_io+0x3d9/0x5a0 [ 60.912239][ T3547] wb_writeback+0x413/0xb80 [ 60.916736][ T3547] ? queue_io+0x381/0x5a0 [ 60.921060][ T3547] ? __pfx_wb_writeback+0x10/0x10 [ 60.926079][ T3547] wb_workfn+0x410/0x1080 [ 60.930404][ T3547] ? __pfx_wb_workfn+0x10/0x10 [ 60.935156][ T3547] ? __pfx_lock_acquire+0x10/0x10 [ 60.940173][ T3547] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 60.946140][ T3547] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 60.952456][ T3547] ? process_scheduled_works+0x976/0x1840 [ 60.958168][ T3547] process_scheduled_works+0xa66/0x1840 [ 60.963723][ T3547] ? __pfx_process_scheduled_works+0x10/0x10 [ 60.969701][ T3547] ? assign_work+0x364/0x3d0 [ 60.974284][ T3547] worker_thread+0x870/0xd30 [ 60.978864][ T3547] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 60.984753][ T3547] ? __kthread_parkme+0x169/0x1d0 [ 60.989765][ T3547] ? __pfx_worker_thread+0x10/0x10 [ 60.994864][ T3547] kthread+0x2f0/0x390 [ 60.998922][ T3547] ? __pfx_worker_thread+0x10/0x10 [ 61.004018][ T3547] ? __pfx_kthread+0x10/0x10 [ 61.008600][ T3547] ret_from_fork+0x4b/0x80 [ 61.013005][ T3547] ? __pfx_kthread+0x10/0x10 [ 61.017596][ T3547] ret_from_fork_asm+0x1a/0x30 [ 61.022358][ T3547] [ 61.025366][ T3547] Modules linked in: [ 61.029542][ T3547] ---[ end trace 0000000000000000 ]--- [ 61.038974][ T3547] RIP: 0010:hfs_write_inode+0xeb9/0xec0 [ 61.044566][ T3547] Code: e9 88 fb ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 9d fb ff ff e8 f7 82 82 ff e9 93 fb ff ff e8 9d 45 40 09 e8 38 a3 1e ff 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 61.064313][ T3547] RSP: 0018:ffffc9000ce2f260 EFLAGS: 00010293 [ 61.070468][ T3547] RAX: ffffffff8280c438 RBX: 0000000000000000 RCX: ffff888032353c00 [ 61.078515][ T3547] RDX: 0000000000000000 RSI: ffffffff8eb53da0 RDI: 0000000000000000 [ 61.086617][ T3547] RBP: ffffc9000ce2f3f0 R08: 0000000000000007 R09: ffffffff8280b6e2 [ 61.094640][ T3547] R10: 0000000000000003 R11: ffff888032353c00 R12: 1ffff920019c5e50 [ 61.102650][ T3547] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880347687d8 [ 61.110667][ T3547] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 61.119632][ T3547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.126251][ T3547] CR2: 00007f35b970e130 CR3: 000000005c758000 CR4: 00000000003526f0 [ 61.134225][ T3547] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.142227][ T3547] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.150244][ T3547] Kernel panic - not syncing: Fatal exception [ 61.156520][ T3547] Kernel Offset: disabled [ 61.160831][ T3547] Rebooting in 86400 seconds..