./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor676666127 <...> Warning: Permanently added '10.128.1.121' (ED25519) to the list of known hosts. execve("./syz-executor676666127", ["./syz-executor676666127"], 0x7ffe65d4ff50 /* 10 vars */) = 0 brk(NULL) = 0x555555c8e000 brk(0x555555c8ed00) = 0x555555c8ed00 arch_prctl(ARCH_SET_FS, 0x555555c8e380) = 0 set_tid_address(0x555555c8e650) = 5069 set_robust_list(0x555555c8e660, 24) = 0 rseq(0x555555c8eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor676666127", 4096) = 27 getrandom("\x84\x75\x99\x79\x78\xb3\x57\x86", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555c8ed00 brk(0x555555cafd00) = 0x555555cafd00 brk(0x555555cb0000) = 0x555555cb0000 mprotect(0x7f9054186000, 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=0x555555c8e650) = 5070 ./strace-static-x86_64: Process 5070 attached [pid 5070] set_robust_list(0x555555c8e660, 24) = 0 [pid 5070] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setsid() = 1 [pid 5070] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5070] unshare(CLONE_NEWNS) = 0 [pid 5070] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5070] unshare(CLONE_NEWIPC) = 0 [pid 5070] unshare(CLONE_NEWCGROUP) = 0 [pid 5070] unshare(CLONE_NEWUTS) = 0 [pid 5070] unshare(CLONE_SYSVSEM) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "16777216", 8) = 8 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "536870912", 9) = 9 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "8192", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5070] close(3) = 0 [pid 5070] getpid() = 1 [pid 5070] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< f7 f1 49 89 d4 48 8b 84 24 e8 00 00 00 42 80 3c 28 00 48 8b 9c [ 56.255131][ T5070] RSP: 0018:ffffc9000434f7e0 EFLAGS: 00010246 [ 56.261184][ T5070] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 56.269166][ T5070] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888029962000 [ 56.277143][ T5070] RBP: ffffc9000434fa50 R08: ffff888029962fff R09: 0000000000000000 [ 56.285123][ T5070] R10: ffff888029962000 R11: ffffed100532c600 R12: ffff88807cc85017 [ 56.293094][ T5070] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff88807cc85014 [ 56.301077][ T5070] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 56.310012][ T5070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.316600][ T5070] CR2: 0000000020223000 CR3: 0000000017b41000 CR4: 00000000003506f0 [ 56.324579][ T5070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.332567][ T5070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.340547][ T5070] Call Trace: [ 56.343841][ T5070] [ 56.346793][ T5070] ? __die_body+0x8b/0xe0 [ 56.351124][ T5070] ? die+0xa1/0xd0 [ 56.354845][ T5070] ? do_trap+0x153/0x380 [ 56.359086][ T5070] ? do_journal_end+0x1901/0x4b50 [ 56.364102][ T5070] ? do_error_trap+0x1dc/0x2c0 [ 56.368901][ T5070] ? do_journal_end+0x1901/0x4b50 [ 56.373939][ T5070] ? write_boundary_block+0xb0/0xb0 [ 56.379150][ T5070] ? do_int3+0x50/0x50 [ 56.383240][ T5070] ? rcu_is_watching+0x15/0xb0 [ 56.388016][ T5070] ? exc_divide_error+0x39/0x50 [ 56.392878][ T5070] ? do_journal_end+0x1901/0x4b50 [ 56.397901][ T5070] ? asm_exc_divide_error+0x1a/0x20 [ 56.403102][ T5070] ? do_journal_end+0x1901/0x4b50 [ 56.408135][ T5070] ? journal_join_abort+0xe0/0xe0 [ 56.413160][ T5070] ? journal_mark_dirty+0xe40/0xe40 [ 56.418353][ T5070] ? dqput+0x450/0x450 [ 56.422411][ T5070] ? journal_end_sync+0x112/0x1e0 [ 56.427430][ T5070] reiserfs_sync_fs+0xce/0x150 [ 56.432191][ T5070] ? handle_attrs+0x1f0/0x1f0 [ 56.436860][ T5070] ? __dentry_kill+0x52e/0x660 [ 56.441617][ T5070] ? __static_call_return0+0x9/0x10 [ 56.446802][ T5070] ? dentry_kill+0xbb/0x290 [ 56.451293][ T5070] ? get_nr_dirty_inodes+0x1c7/0x210 [ 56.456566][ T5070] sync_filesystem+0xec/0x220 [ 56.461232][ T5070] generic_shutdown_super+0x72/0x2c0 [ 56.466505][ T5070] kill_block_super+0x44/0x90 [ 56.471168][ T5070] deactivate_locked_super+0xc1/0x130 [ 56.476527][ T5070] cleanup_mnt+0x426/0x4c0 [ 56.480931][ T5070] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.486120][ T5070] task_work_run+0x24a/0x300 [ 56.490698][ T5070] ? kasan_quarantine_put+0xd8/0x230 [ 56.495974][ T5070] ? task_work_cancel+0x2b0/0x2b0 [ 56.500988][ T5070] ? kmem_cache_free+0x299/0x470 [ 56.505914][ T5070] ? do_exit+0xa2f/0x2750 [ 56.510238][ T5070] do_exit+0xa34/0x2750 [ 56.514387][ T5070] ? put_task_struct+0xb0/0xb0 [ 56.519142][ T5070] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 56.525111][ T5070] ? print_irqtrace_events+0x220/0x220 [ 56.530558][ T5070] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.535756][ T5070] ? lockdep_hardirqs_on+0x98/0x140 [ 56.540946][ T5070] do_group_exit+0x206/0x2c0 [ 56.545528][ T5070] __x64_sys_exit_group+0x3f/0x40 [ 56.550545][ T5070] do_syscall_64+0x45/0x110 [ 56.555038][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 56.560921][ T5070] RIP: 0033:0x7f905410f849 [ 56.565320][ T5070] Code: Unable to access opcode bytes at 0x7f905410f81f. [ 56.572315][ T5070] RSP: 002b:00007ffe4bf23728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.580728][ T5070] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f905410f849 [ 56.588684][ T5070] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.596638][ T5070] RBP: 00007f905418c2d0 R08: ffffffffffffffb8 R09: 0000000000000002 [ 56.604594][ T5070] R10: 0000000000001400 R11: 0000000000000246 R12: 00007f905418c2d0 [ 56.612550][ T5070] R13: 0000000000000000 R14: 00007f905418d040 R15: 00007f90540ddda0 [ 56.620513][ T5070] [ 56.623530][ T5070] Modules linked in: [ 56.627709][ T5070] ---[ end trace 0000000000000000 ]--- [ 56.633220][ T5070] RIP: 0010:do_journal_end+0x1901/0x4b50 [ 56.638893][ T5070] Code: 28 84 c0 0f 85 05 2c 00 00 4a 8d 5c 33 01 4c 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 0c 2c 00 00 41 8b 0f 48 89 d8 31 d2 <48> f7 f1 49 89 d4 48 8b 84 24 e8 00 00 00 42 80 3c 28 00 48 8b 9c [ 56.658592][ T5070] RSP: 0018:ffffc9000434f7e0 EFLAGS: 00010246 [ 56.664719][ T5070] RAX: 0000000000000003 RBX: 0000000000000003 RCX: 0000000000000000 [ 56.672712][ T5070] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888029962000 [ 56.681246][ T5070] RBP: ffffc9000434fa50 R08: ffff888029962fff R09: 0000000000000000 [ 56.689238][ T5070] R10: ffff888029962000 R11: ffffed100532c600 R12: ffff88807cc85017 [ 56.697241][ T5070] R13: dffffc0000000000 R14: 0000000000000002 R15: ffff88807cc85014 [ 56.705291][ T5070] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 56.714264][ T5070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.720846][ T5070] CR2: 0000000020223000 CR3: 0000000017b41000 CR4: 00000000003506f0 [ 56.728855][ T5070] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.736846][ T5070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.744832][ T5070] Kernel panic - not syncing: Fatal exception [ 56.751134][ T5070] Kernel Offset: disabled [ 56.755446][ T5070] Rebooting in 86400 seconds..