./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1252928374 <...> Warning: Permanently added '10.128.0.199' (ED25519) to the list of known hosts. execve("./syz-executor1252928374", ["./syz-executor1252928374"], 0x7ffced92ce80 /* 10 vars */) = 0 brk(NULL) = 0x555556a45000 brk(0x555556a45d00) = 0x555556a45d00 arch_prctl(ARCH_SET_FS, 0x555556a45380) = 0 set_tid_address(0x555556a45650) = 5034 set_robust_list(0x555556a45660, 24) = 0 rseq(0x555556a45ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1252928374", 4096) = 28 getrandom("\xf8\x3c\x58\xdf\x0c\x94\x7a\xf4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556a45d00 brk(0x555556a66d00) = 0x555556a66d00 brk(0x555556a67000) = 0x555556a67000 mprotect(0x7f3ad35ca000, 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=0x555556a45650) = 5035 ./strace-static-x86_64: Process 5035 attached [pid 5035] set_robust_list(0x555556a45660, 24) = 0 [pid 5035] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5035] setsid() = 1 [pid 5035] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5035] unshare(CLONE_NEWNS) = 0 [pid 5035] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5035] unshare(CLONE_NEWIPC) = 0 [pid 5035] unshare(CLONE_NEWCGROUP) = 0 [pid 5035] unshare(CLONE_NEWUTS) = 0 [pid 5035] unshare(CLONE_SYSVSEM) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "16777216", 8) = 8 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "536870912", 9) = 9 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "8192", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5035] close(3) = 0 [pid 5035] getpid() = 1 [pid 5035] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< f7 f1 48 89 d3 48 03 5c 24 20 48 8b 84 24 d8 00 00 00 42 80 3c [ 71.302528][ T5035] RSP: 0018:ffffc900039ef7e0 EFLAGS: 00010246 [ 71.308621][ T5035] RAX: 0000000000000003 RBX: 0000000000000002 RCX: 0000000000000000 [ 71.316692][ T5035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888027da0000 [ 71.324712][ T5035] RBP: ffffc900039efa50 R08: ffff888027da0fff R09: 0000000000000000 [ 71.332762][ T5035] R10: ffff888027da0000 R11: ffffed1004fb4200 R12: 0000000000000003 [ 71.340786][ T5035] R13: dffffc0000000000 R14: ffff88807875c017 R15: ffff88807875c014 [ 71.348768][ T5035] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 71.357818][ T5035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.365110][ T5035] CR2: 000055b0bad913b8 CR3: 0000000073a9d000 CR4: 00000000003506e0 [ 71.373091][ T5035] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.381065][ T5035] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.389053][ T5035] Call Trace: [ 71.392340][ T5035] [ 71.395288][ T5035] ? __die_body+0x8b/0xe0 [ 71.399630][ T5035] ? die+0xa1/0xd0 [ 71.403367][ T5035] ? do_trap+0x153/0x380 [ 71.407635][ T5035] ? do_journal_end+0x129e/0x4770 [ 71.412757][ T5035] ? do_error_trap+0x1dc/0x2c0 [ 71.417570][ T5035] ? do_journal_end+0x129e/0x4770 [ 71.422604][ T5035] ? write_boundary_block+0xb0/0xb0 [ 71.427825][ T5035] ? do_int3+0x50/0x50 [ 71.431908][ T5035] ? rcu_is_watching+0x15/0xb0 [ 71.436682][ T5035] ? exc_divide_error+0x38/0x50 [ 71.441542][ T5035] ? do_journal_end+0x129e/0x4770 [ 71.446670][ T5035] ? asm_exc_divide_error+0x1a/0x20 [ 71.451974][ T5035] ? do_journal_end+0x129e/0x4770 [ 71.457023][ T5035] ? journal_join_abort+0xe0/0xe0 [ 71.462158][ T5035] ? dquot_writeback_dquots+0x8f7/0x9d0 [ 71.467756][ T5035] ? journal_mark_dirty+0xe40/0xe40 [ 71.472982][ T5035] ? dqput+0x440/0x440 [ 71.477074][ T5035] ? journal_end_sync+0x112/0x1e0 [ 71.482118][ T5035] reiserfs_sync_fs+0xce/0x150 [ 71.486901][ T5035] ? handle_attrs+0x1f0/0x1f0 [ 71.491601][ T5035] ? __static_call_return0+0x9/0x10 [ 71.496813][ T5035] ? dentry_kill+0xbb/0x290 [ 71.501318][ T5035] ? get_nr_dirty_inodes+0x1c7/0x210 [ 71.506613][ T5035] sync_filesystem+0xec/0x220 [ 71.511300][ T5035] generic_shutdown_super+0x72/0x2c0 [ 71.516594][ T5035] kill_block_super+0x41/0x70 [ 71.521276][ T5035] deactivate_locked_super+0xa4/0x110 [ 71.526668][ T5035] cleanup_mnt+0x426/0x4c0 [ 71.531100][ T5035] ? _raw_spin_unlock_irq+0x23/0x50 [ 71.536397][ T5035] task_work_run+0x24a/0x300 [ 71.541000][ T5035] ? kasan_quarantine_put+0xd8/0x230 [ 71.546291][ T5035] ? task_work_cancel+0x2b0/0x2b0 [ 71.551323][ T5035] ? kmem_cache_free+0x292/0x500 [ 71.556268][ T5035] ? do_exit+0xa27/0x2650 [ 71.562178][ T5035] do_exit+0xa2c/0x2650 [ 71.566436][ T5035] ? put_task_struct+0xb0/0xb0 [ 71.571208][ T5035] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 71.577194][ T5035] ? print_irqtrace_events+0x220/0x220 [ 71.582661][ T5035] ? _raw_spin_unlock_irq+0x23/0x50 [ 71.587870][ T5035] ? lockdep_hardirqs_on+0x98/0x140 [ 71.593075][ T5035] do_group_exit+0x206/0x2c0 [ 71.597704][ T5035] __x64_sys_exit_group+0x3f/0x40 [ 71.602758][ T5035] do_syscall_64+0x41/0xc0 [ 71.607213][ T5035] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 71.613230][ T5035] RIP: 0033:0x7f3ad3553849 [ 71.617661][ T5035] Code: Unable to access opcode bytes at 0x7f3ad355381f. [ 71.624685][ T5035] RSP: 002b:00007ffd0aceb888 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 71.633122][ T5035] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3ad3553849 [ 71.641101][ T5035] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 71.649098][ T5035] RBP: 00007f3ad35d02d0 R08: ffffffffffffffb8 R09: 00007ffd0aceb960 [ 71.657073][ T5035] R10: 00007ffd0aceb960 R11: 0000000000000246 R12: 00007f3ad35d02d0 [ 71.665065][ T5035] R13: 0000000000000000 R14: 00007f3ad35d1040 R15: 00007f3ad3521d70 [ 71.673053][ T5035] [ 71.676076][ T5035] Modules linked in: [ 71.683029][ T5035] ---[ end trace 0000000000000000 ]--- [ 71.688534][ T5035] RIP: 0010:do_journal_end+0x129e/0x4770 [ 71.695632][ T5035] Code: 28 84 c0 0f 85 00 2f 00 00 4d 8d 64 1c 01 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 07 2f 00 00 41 8b 0f 4c 89 e0 31 d2 <48> f7 f1 48 89 d3 48 03 5c 24 20 48 8b 84 24 d8 00 00 00 42 80 3c [ 71.715757][ T5035] RSP: 0018:ffffc900039ef7e0 EFLAGS: 00010246 [ 71.721921][ T5035] RAX: 0000000000000003 RBX: 0000000000000002 RCX: 0000000000000000 [ 71.729940][ T5035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888027da0000 [ 71.738180][ T5035] RBP: ffffc900039efa50 R08: ffff888027da0fff R09: 0000000000000000 [ 71.746275][ T5035] R10: ffff888027da0000 R11: ffffed1004fb4200 R12: 0000000000000003 [ 71.754361][ T5035] R13: dffffc0000000000 R14: ffff88807875c017 R15: ffff88807875c014 [ 71.762501][ T5035] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 71.771444][ T5035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.778111][ T5035] CR2: 00005633d424f078 CR3: 0000000025a21000 CR4: 00000000003506e0 [ 71.786206][ T5035] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.794251][ T5035] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.802334][ T5035] Kernel panic - not syncing: Fatal exception [ 71.808797][ T5035] Kernel Offset: disabled [ 71.813125][ T5035] Rebooting in 86400 seconds..