./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1175706934 <...> Warning: Permanently added '10.128.1.212' (ED25519) to the list of known hosts. execve("./syz-executor1175706934", ["./syz-executor1175706934"], 0x7fff2cba20a0 /* 10 vars */) = 0 brk(NULL) = 0x55557cd55000 brk(0x55557cd55d00) = 0x55557cd55d00 arch_prctl(ARCH_SET_FS, 0x55557cd55380) = 0 set_tid_address(0x55557cd55650) = 5220 set_robust_list(0x55557cd55660, 24) = 0 rseq(0x55557cd55ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1175706934", 4096) = 28 getrandom("\xbb\x77\x56\xce\x20\xa5\x59\x31", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557cd55d00 brk(0x55557cd76d00) = 0x55557cd76d00 brk(0x55557cd77000) = 0x55557cd77000 mprotect(0x7fa3564e0000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557cd55650) = 5221 ./strace-static-x86_64: Process 5221 attached [pid 5221] set_robust_list(0x55557cd55660, 24) = 0 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] setpgid(0, 0) = 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1000", 4) = 4 [pid 5221] close(3) = 0 executing program [pid 5221] write(1, "executing program\n", 18) = 18 [pid 5221] memfd_create("syzkaller", 0) = 3 [pid 5221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa34e000000 [pid 5221] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5221] munmap(0x7fa34e000000, 138412032) = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5221] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5221] close(3) = 0 [pid 5221] close(4) = 0 [pid 5221] mkdir("./file1", 0777) = 0 [ 53.679881][ T5221] loop0: detected capacity change from 0 to 32768 [pid 5221] mount("/dev/loop0", "./file1", "ocfs2", MS_NOATIME|MS_I_VERSION|MS_LAZYTIME, "localalloc=18446744073709551608,resv_level=00000000000000000002,heartbeat=none,coherency=buffered,er"...) = 0 [pid 5221] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5221] chdir("./file1") = 0 [pid 5221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 53.746998][ T5221] JBD2: Ignoring recovery information on journal [ 53.771542][ T5221] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 53.827804][ T5221] ------------[ cut here ]------------ [ 53.833345][ T5221] kernel BUG at fs/ocfs2/extent_map.c:971! [ 53.839284][ T5221] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 53.846241][ T5221] CPU: 1 UID: 0 PID: 5221 Comm: syz-executor117 Not tainted 6.12.0-rc2-syzkaller-00006-g87d6aab2389e #0 [ 53.857337][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 53.867380][ T5221] RIP: 0010:ocfs2_read_virt_blocks+0xaa3/0xb20 [ 53.873532][ T5221] Code: 8b 54 24 30 8b 4c 24 1c 4c 8b 44 24 38 45 89 e1 ff 74 24 48 e8 7e 0a 0c 00 48 83 c4 08 eb 25 e8 43 d2 34 08 e8 ee d1 0c fe 90 <0f> 0b e8 e6 d1 0c fe 4c 89 e8 45 89 e5 49 89 c4 e9 01 f7 ff ff e8 [ 53.893121][ T5221] RSP: 0018:ffffc90002e2e820 EFLAGS: 00010293 [ 53.899182][ T5221] RAX: ffffffff83881432 RBX: 0000000000000000 RCX: ffff88802d3e9e00 [ 53.907143][ T5221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.915105][ T5221] RBP: ffffc90002e2e9f0 R08: ffffffff83880eae R09: 1ffffffff203781d [ 53.923062][ T5221] R10: dffffc0000000000 R11: fffffbfff203781e R12: ffff8880764d8878 [ 53.931021][ T5221] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff920005c5d18 [ 53.938979][ T5221] FS: 000055557cd55380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 53.947895][ T5221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.954464][ T5221] CR2: 00005628fd41e058 CR3: 000000002d2e6000 CR4: 00000000003526f0 [ 53.962423][ T5221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.970381][ T5221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.978340][ T5221] Call Trace: [ 53.981609][ T5221] [ 53.984527][ T5221] ? __die_body+0x5f/0xb0 [ 53.988861][ T5221] ? die+0x9e/0xc0 [ 53.992570][ T5221] ? do_trap+0x15a/0x3a0 [ 53.996807][ T5221] ? ocfs2_read_virt_blocks+0xaa3/0xb20 [ 54.002360][ T5221] ? do_error_trap+0x1dc/0x2c0 [ 54.007127][ T5221] ? ocfs2_read_virt_blocks+0xaa3/0xb20 [ 54.012671][ T5221] ? __pfx_do_error_trap+0x10/0x10 [ 54.017784][ T5221] ? report_bug+0x3e8/0x500 [ 54.022311][ T5221] ? handle_invalid_op+0x34/0x40 [ 54.027254][ T5221] ? ocfs2_read_virt_blocks+0xaa3/0xb20 [ 54.032797][ T5221] ? exc_invalid_op+0x38/0x50 [ 54.037464][ T5221] ? asm_exc_invalid_op+0x1a/0x20 [ 54.042640][ T5221] ? ocfs2_read_virt_blocks+0x51e/0xb20 [ 54.048177][ T5221] ? ocfs2_read_virt_blocks+0xaa2/0xb20 [ 54.053710][ T5221] ? ocfs2_read_virt_blocks+0xaa3/0xb20 [ 54.059257][ T5221] ? __pfx_ocfs2_validate_dir_block+0x10/0x10 [ 54.065327][ T5221] ? __pfx_validate_chain+0x10/0x10 [ 54.070527][ T5221] ? __pfx_ocfs2_read_virt_blocks+0x10/0x10 [ 54.076414][ T5221] ? mark_lock+0x9a/0x360 [ 54.080733][ T5221] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 54.086705][ T5221] ? ocfs2_dx_dir_name_hash+0xaa8/0xc40 [ 54.092242][ T5221] ? mark_lock+0x9a/0x360 [ 54.096557][ T5221] ocfs2_read_dir_block+0x106/0x5c0 [ 54.101742][ T5221] ? __pfx_ocfs2_read_dir_block+0x10/0x10 [ 54.107448][ T5221] ? __pfx_ocfs2_dx_dir_name_hash+0x10/0x10 [ 54.113336][ T5221] ocfs2_prepare_dir_for_insert+0x3f2/0x5c60 [ 54.119314][ T5221] ? __pfx_lock_acquire+0x10/0x10 [ 54.124329][ T5221] ? __pfx_ocfs2_prepare_dir_for_insert+0x10/0x10 [ 54.130736][ T5221] ? ocfs2_read_blocks+0x11b0/0x1600 [ 54.136010][ T5221] ? __pfx_lock_release+0x10/0x10 [ 54.141025][ T5221] ? _raw_spin_unlock+0x28/0x50 [ 54.145863][ T5221] ? ocfs2_set_buffer_uptodate+0x4da/0x1350 [ 54.151744][ T5221] ? __wait_on_bit+0xf7/0x2f0 [ 54.156414][ T5221] ? __mutex_unlock_slowpath+0x21d/0x750 [ 54.162038][ T5221] ? rcu_is_watching+0x15/0xb0 [ 54.166789][ T5221] ? ocfs2_find_entry+0x102f/0x2780 [ 54.171982][ T5221] ? __pfx_ocfs2_find_entry+0x10/0x10 [ 54.177344][ T5221] ? __pfx_ocfs2_validate_inode_block+0x10/0x10 [ 54.183575][ T5221] ? __pfx_lock_acquire+0x10/0x10 [ 54.188615][ T5221] ? ocfs2_inode_lock_full_nested+0x17b/0x1c30 [ 54.194758][ T5221] ? ocfs2_read_inode_block+0x14c/0x1e0 [ 54.200290][ T5221] ? __pfx_ocfs2_read_inode_block+0x10/0x10 [ 54.206168][ T5221] ? do_raw_spin_unlock+0x13c/0x8b0 [ 54.211355][ T5221] ? ocfs2_inode_lock_full_nested+0xb29/0x1c30 [ 54.217499][ T5221] ? __pfx_ocfs2_inode_lock_full_nested+0x10/0x10 [ 54.223902][ T5221] ? __asan_memset+0x23/0x50 [ 54.228480][ T5221] ? ocfs2_check_dir_for_entry+0x2c9/0x4a0 [ 54.234274][ T5221] ? __pfx_ocfs2_check_dir_for_entry+0x10/0x10 [ 54.240422][ T5221] ? ocfs2_mknod+0x2c7/0x2b40 [ 54.245086][ T5221] ocfs2_mknod+0xcaf/0x2b40 [ 54.249575][ T5221] ? __pfx_validate_chain+0x10/0x10 [ 54.254770][ T5221] ? __pfx_ocfs2_mknod+0x10/0x10 [ 54.259700][ T5221] ? __lock_acquire+0x1384/0x2050 [ 54.264724][ T5221] ? __pfx_lock_acquire+0x10/0x10 [ 54.269737][ T5221] ? ocfs2_inode_unlock+0xa7/0x150 [ 54.274836][ T5221] ? __pfx_lock_release+0x10/0x10 [ 54.279851][ T5221] ? do_raw_spin_lock+0x14f/0x370 [ 54.284866][ T5221] ? do_raw_spin_unlock+0x13c/0x8b0 [ 54.290053][ T5221] ? _raw_spin_unlock+0x28/0x50 [ 54.294895][ T5221] ? rcu_is_watching+0x15/0xb0 [ 54.299648][ T5221] ? ocfs2_lookup+0x503/0xa60 [ 54.304314][ T5221] ocfs2_create+0x1ab/0x480 [ 54.308806][ T5221] ? __pfx_ocfs2_create+0x10/0x10 [ 54.313819][ T5221] ? bpf_lsm_inode_create+0x9/0x10 [ 54.318923][ T5221] ? security_inode_create+0xbe/0x340 [ 54.324278][ T5221] ? __pfx_ocfs2_create+0x10/0x10 [ 54.329289][ T5221] path_openat+0x1c03/0x3590 [ 54.333877][ T5221] ? __pfx_path_openat+0x10/0x10 [ 54.338809][ T5221] do_filp_open+0x235/0x490 [ 54.343300][ T5221] ? __pfx_do_filp_open+0x10/0x10 [ 54.348316][ T5221] ? _raw_spin_unlock+0x28/0x50 [ 54.353154][ T5221] ? alloc_fd+0x5a1/0x640 [ 54.357473][ T5221] do_sys_openat2+0x13e/0x1d0 [ 54.362135][ T5221] ? __pfx_do_sys_openat2+0x10/0x10 [ 54.367319][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 54.372507][ T5221] ? _raw_spin_unlock_irq+0x2e/0x50 [ 54.377693][ T5221] ? ptrace_notify+0x279/0x380 [ 54.382446][ T5221] __x64_sys_openat+0x247/0x2a0 [ 54.387282][ T5221] ? __pfx___x64_sys_openat+0x10/0x10 [ 54.392640][ T5221] ? do_syscall_64+0x100/0x230 [ 54.397391][ T5221] do_syscall_64+0xf3/0x230 [ 54.401878][ T5221] ? clear_bhb_loop+0x35/0x90 [ 54.406538][ T5221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.412424][ T5221] RIP: 0033:0x7fa356467d59 [ 54.416833][ T5221] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 54.436423][ T5221] RSP: 002b:00007ffe912bab08 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 54.444824][ T5221] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa356467d59 [ 54.452794][ T5221] RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c [ 54.460768][ T5221] RBP: 00007fa3564e05f0 R08: 0000000000004472 R09: 000055557cd564c0 [ 54.468735][ T5221] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe912bab30 [ 54.476697][ T5221] R13: 00007ffe912bad58 R14: 431bde82d7b634db R15: 00007fa3564b103b [ 54.484663][ T5221] [ 54.487668][ T5221] Modules linked in: [ 54.491735][ T5221] ---[ end trace 0000000000000000 ]--- [ 54.497270][ T5221] RIP: 0010:ocfs2_read_virt_blocks+0xaa3/0xb20 [ 54.503452][ T5221] Code: 8b 54 24 30 8b 4c 24 1c 4c 8b 44 24 38 45 89 e1 ff 74 24 48 e8 7e 0a 0c 00 48 83 c4 08 eb 25 e8 43 d2 34 08 e8 ee d1 0c fe 90 <0f> 0b e8 e6 d1 0c fe 4c 89 e8 45 89 e5 49 89 c4 e9 01 f7 ff ff e8 [ 54.523122][ T5221] RSP: 0018:ffffc90002e2e820 EFLAGS: 00010293 [ 54.529224][ T5221] RAX: ffffffff83881432 RBX: 0000000000000000 RCX: ffff88802d3e9e00 [ 54.537225][ T5221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 54.545195][ T5221] RBP: ffffc90002e2e9f0 R08: ffffffff83880eae R09: 1ffffffff203781d [ 54.553188][ T5221] R10: dffffc0000000000 R11: fffffbfff203781e R12: ffff8880764d8878 [ 54.561175][ T5221] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff920005c5d18 [ 54.569157][ T5221] FS: 000055557cd55380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 54.578120][ T5221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.584691][ T5221] CR2: 00005628fd41e058 CR3: 000000002d2e6000 CR4: 00000000003526f0 [ 54.592716][ T5221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.600740][ T5221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.608746][ T5221] Kernel panic - not syncing: Fatal exception [ 54.615029][ T5221] Kernel Offset: disabled [ 54.619341][ T5221] Rebooting in 86400 seconds..