./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor804082075 <...> DUID 00:04:ac:03:58:10:d0:76:5c:28:30:a7:8a:8b:4a:a3:06:e2 forked to background, child pid 4903 [ 39.628245][ T4904] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.643583][ T4904] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.184' (ED25519) to the list of known hosts. execve("./syz-executor804082075", ["./syz-executor804082075"], 0x7ffce3900230 /* 10 vars */) = 0 brk(NULL) = 0x55557449e000 brk(0x55557449ed00) = 0x55557449ed00 arch_prctl(ARCH_SET_FS, 0x55557449e380) = 0 set_tid_address(0x55557449e650) = 5234 set_robust_list(0x55557449e660, 24) = 0 rseq(0x55557449eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor804082075", 4096) = 27 getrandom("\xbc\x02\x15\xd8\x3d\xdd\x5a\xd8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557449ed00 brk(0x5555744bfd00) = 0x5555744bfd00 brk(0x5555744c0000) = 0x5555744c0000 mprotect(0x7f57e7de9000, 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./strace-static-x86_64: Process 5236 attached , child_tidptr=0x55557449e650) = 5236 [pid 5236] set_robust_list(0x55557449e660, 24) = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5236] setpgid(0, 0) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5236] write(3, "1000", 4) = 4 [pid 5236] close(3) = 0 executing program [pid 5236] write(1, "executing program\n", 18) = 18 [pid 5236] memfd_create("syzkaller", 0) = 3 [pid 5236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f57df800000 [pid 5236] 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 5236] munmap(0x7f57df800000, 138412032) = 0 [pid 5236] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5236] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5236] close(3) = 0 [pid 5236] close(4) = 0 [pid 5236] mkdir("./file1", 0777) = 0 syzkaller login: [ 64.714860][ T5236] loop0: detected capacity change from 0 to 32768 [pid 5236] mount("/dev/loop0", "./file1", "ocfs2", MS_NOATIME|MS_I_VERSION|MS_LAZYTIME, "localalloc=18446744073709551608,resv_level=00000000000000000002,heartbeat=none,coherency=buffered,er"...) = 0 [pid 5236] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5236] chdir("./file1") = 0 [pid 5236] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 64.787409][ T5236] JBD2: Ignoring recovery information on journal [ 64.816126][ T5236] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 64.861167][ T5236] ------------[ cut here ]------------ [ 64.866760][ T5236] kernel BUG at fs/ocfs2/extent_map.c:971! [ 64.872729][ T5236] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 64.879699][ T5236] CPU: 0 UID: 0 PID: 5236 Comm: syz-executor804 Not tainted 6.12.0-rc3-next-20241016-syzkaller #0 [ 64.890279][ T5236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 64.900328][ T5236] RIP: 0010:ocfs2_read_virt_blocks+0xaa3/0xb20 [ 64.906534][ T5236] Code: 8b 54 24 30 8b 4c 24 1c 4c 8b 44 24 38 45 89 e1 ff 74 24 48 e8 9e 09 0c 00 48 83 c4 08 eb 25 e8 23 3c 40 08 e8 7e ec 08 fe 90 <0f> 0b e8 76 ec 08 fe 4c 89 e8 45 89 e5 49 89 c4 e9 01 f7 ff ff e8 [ 64.926133][ T5236] RSP: 0018:ffffc90003b66820 EFLAGS: 00010293 [ 64.932196][ T5236] RAX: ffffffff838bf5d2 RBX: 0000000000000000 RCX: ffff88802c725a00 [ 64.940156][ T5236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.948137][ T5236] RBP: ffffc90003b669f0 R08: ffffffff838bf04e R09: 1ffffffff203b67d [ 64.956100][ T5236] R10: dffffc0000000000 R11: fffffbfff203b67e R12: ffff888071c38878 [ 64.964063][ T5236] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff9200076cd18 [ 64.972038][ T5236] FS: 000055557449e380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 64.980979][ T5236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.987567][ T5236] CR2: 00007f145fd95ed8 CR3: 000000002c5ae000 CR4: 00000000003526f0 [ 64.995547][ T5236] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.003517][ T5236] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.011486][ T5236] Call Trace: [ 65.014760][ T5236] [ 65.017689][ T5236] ? __die_body+0x5f/0xb0 [ 65.022022][ T5236] ? die+0x9e/0xc0 [ 65.025742][ T5236] ? do_trap+0x15a/0x3a0 [ 65.029984][ T5236] ? ocfs2_read_virt_blocks+0xaa3/0xb20 [ 65.035526][ T5236] ? do_error_trap+0x1dc/0x2c0 [ 65.040292][ T5236] ? ocfs2_read_virt_blocks+0xaa3/0xb20 [ 65.045836][ T5236] ? __sanitizer_cov_trace_cmp8+0x11/0x90 [ 65.051552][ T5236] ? __pfx_do_error_trap+0x10/0x10 [ 65.056725][ T5236] ? handle_invalid_op+0x34/0x40 [ 65.061674][ T5236] ? ocfs2_read_virt_blocks+0xaa3/0xb20 [ 65.067221][ T5236] ? exc_invalid_op+0x38/0x50 [ 65.071905][ T5236] ? asm_exc_invalid_op+0x1a/0x20 [ 65.076929][ T5236] ? ocfs2_read_virt_blocks+0x51e/0xb20 [ 65.082472][ T5236] ? ocfs2_read_virt_blocks+0xaa2/0xb20 [ 65.088011][ T5236] ? ocfs2_read_virt_blocks+0xaa3/0xb20 [ 65.093552][ T5236] ? __pfx_ocfs2_validate_dir_block+0x10/0x10 [ 65.099610][ T5236] ? __pfx_validate_chain+0x10/0x10 [ 65.104801][ T5236] ? __pfx_ocfs2_read_virt_blocks+0x10/0x10 [ 65.110685][ T5236] ? mark_lock+0x9a/0x360 [ 65.115006][ T5236] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 65.120987][ T5236] ? ocfs2_dx_dir_name_hash+0xaa8/0xc40 [ 65.126539][ T5236] ? mark_lock+0x9a/0x360 [ 65.130858][ T5236] ocfs2_read_dir_block+0x106/0x5c0 [ 65.136050][ T5236] ? __pfx_ocfs2_read_dir_block+0x10/0x10 [ 65.141766][ T5236] ? __pfx_ocfs2_dx_dir_name_hash+0x10/0x10 [ 65.147665][ T5236] ocfs2_prepare_dir_for_insert+0x3f2/0x5c60 [ 65.153648][ T5236] ? __pfx_lock_acquire+0x10/0x10 [ 65.158670][ T5236] ? __pfx_ocfs2_prepare_dir_for_insert+0x10/0x10 [ 65.165100][ T5236] ? ocfs2_read_blocks+0x11b0/0x1600 [ 65.170404][ T5236] ? __pfx_lock_release+0x10/0x10 [ 65.175427][ T5236] ? _raw_spin_unlock+0x28/0x50 [ 65.180281][ T5236] ? ocfs2_set_buffer_uptodate+0x4da/0x1350 [ 65.186175][ T5236] ? __wait_on_bit+0xf7/0x2f0 [ 65.190852][ T5236] ? __mutex_unlock_slowpath+0x21d/0x750 [ 65.196478][ T5236] ? rcu_is_watching+0x15/0xb0 [ 65.201241][ T5236] ? ocfs2_find_entry+0x102f/0x2780 [ 65.206438][ T5236] ? __pfx_ocfs2_find_entry+0x10/0x10 [ 65.211824][ T5236] ? __pfx_ocfs2_validate_inode_block+0x10/0x10 [ 65.218091][ T5236] ? __pfx_lock_acquire+0x10/0x10 [ 65.223111][ T5236] ? ocfs2_inode_lock_full_nested+0x17b/0x1be0 [ 65.229272][ T5236] ? ocfs2_read_inode_block+0x14c/0x1e0 [ 65.234821][ T5236] ? __pfx_ocfs2_read_inode_block+0x10/0x10 [ 65.240718][ T5236] ? do_raw_spin_unlock+0x13c/0x8b0 [ 65.245914][ T5236] ? ocfs2_inode_lock_full_nested+0xb29/0x1be0 [ 65.252068][ T5236] ? __pfx_ocfs2_inode_lock_full_nested+0x10/0x10 [ 65.258479][ T5236] ? __asan_memset+0x23/0x50 [ 65.263061][ T5236] ? ocfs2_check_dir_for_entry+0x2c9/0x4a0 [ 65.268860][ T5236] ? __pfx_ocfs2_check_dir_for_entry+0x10/0x10 [ 65.275016][ T5236] ? ocfs2_mknod+0x2c7/0x2b40 [ 65.279693][ T5236] ocfs2_mknod+0xcaf/0x2b40 [ 65.284196][ T5236] ? __pfx_validate_chain+0x10/0x10 [ 65.289400][ T5236] ? __pfx_ocfs2_mknod+0x10/0x10 [ 65.294348][ T5236] ? __lock_acquire+0x1384/0x2050 [ 65.299395][ T5236] ? __pfx_lock_acquire+0x10/0x10 [ 65.304418][ T5236] ? ocfs2_inode_unlock+0xa7/0x150 [ 65.309533][ T5236] ? __pfx_lock_release+0x10/0x10 [ 65.314551][ T5236] ? do_raw_spin_lock+0x14f/0x370 [ 65.319578][ T5236] ? do_raw_spin_unlock+0x13c/0x8b0 [ 65.324778][ T5236] ? _raw_spin_unlock+0x28/0x50 [ 65.329628][ T5236] ? rcu_is_watching+0x15/0xb0 [ 65.334412][ T5236] ? ocfs2_lookup+0x503/0xa60 [ 65.339089][ T5236] ocfs2_create+0x1ab/0x480 [ 65.343609][ T5236] ? __pfx_ocfs2_create+0x10/0x10 [ 65.348629][ T5236] ? inode_permission+0xff/0x460 [ 65.353571][ T5236] ? __pfx_ocfs2_permission+0x10/0x10 [ 65.358949][ T5236] ? bpf_lsm_inode_create+0x9/0x10 [ 65.364063][ T5236] ? security_inode_create+0xbe/0x340 [ 65.369431][ T5236] ? __pfx_ocfs2_create+0x10/0x10 [ 65.374458][ T5236] path_openat+0x1c03/0x3590 [ 65.379055][ T5236] ? __pfx_path_openat+0x10/0x10 [ 65.383995][ T5236] do_filp_open+0x235/0x490 [ 65.388490][ T5236] ? __pfx_do_filp_open+0x10/0x10 [ 65.393507][ T5236] ? do_raw_spin_lock+0x14f/0x370 [ 65.398532][ T5236] ? alloc_fd+0x61a/0x690 [ 65.402859][ T5236] do_sys_openat2+0x13e/0x1d0 [ 65.407534][ T5236] ? __pfx_do_sys_openat2+0x10/0x10 [ 65.412733][ T5236] ? lockdep_hardirqs_on+0x99/0x150 [ 65.417940][ T5236] ? _raw_spin_unlock_irq+0x2e/0x50 [ 65.423149][ T5236] ? ptrace_notify+0x279/0x380 [ 65.427920][ T5236] __x64_sys_openat+0x247/0x2a0 [ 65.432802][ T5236] ? __pfx___x64_sys_openat+0x10/0x10 [ 65.438177][ T5236] ? do_syscall_64+0x100/0x230 [ 65.442958][ T5236] do_syscall_64+0xf3/0x230 [ 65.447459][ T5236] ? clear_bhb_loop+0x35/0x90 [ 65.452137][ T5236] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 65.458053][ T5236] RIP: 0033:0x7f57e7d70d59 [ 65.462462][ T5236] 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 [ 65.482062][ T5236] RSP: 002b:00007ffd674688c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 65.490472][ T5236] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f57e7d70d59 [ 65.498440][ T5236] RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c [ 65.506420][ T5236] RBP: 00007f57e7de95f0 R08: 0000000000004472 R09: 000055557449f4c0 [ 65.514384][ T5236] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd674688f0 [ 65.522354][ T5236] R13: 00007ffd67468b18 R14: 431bde82d7b634db R15: 00007f57e7dba03b [ 65.530324][ T5236] [ 65.533339][ T5236] Modules linked in: [ 65.537599][ T5236] ---[ end trace 0000000000000000 ]--- [ 65.543309][ T5236] RIP: 0010:ocfs2_read_virt_blocks+0xaa3/0xb20 [ 65.549502][ T5236] Code: 8b 54 24 30 8b 4c 24 1c 4c 8b 44 24 38 45 89 e1 ff 74 24 48 e8 9e 09 0c 00 48 83 c4 08 eb 25 e8 23 3c 40 08 e8 7e ec 08 fe 90 <0f> 0b e8 76 ec 08 fe 4c 89 e8 45 89 e5 49 89 c4 e9 01 f7 ff ff e8 [ 65.569194][ T5236] RSP: 0018:ffffc90003b66820 EFLAGS: 00010293 [ 65.575368][ T5236] RAX: ffffffff838bf5d2 RBX: 0000000000000000 RCX: ffff88802c725a00 [ 65.583445][ T5236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 65.591470][ T5236] RBP: ffffc90003b669f0 R08: ffffffff838bf04e R09: 1ffffffff203b67d [ 65.599441][ T5236] R10: dffffc0000000000 R11: fffffbfff203b67e R12: ffff888071c38878 [ 65.607451][ T5236] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff9200076cd18 [ 65.615466][ T5236] FS: 000055557449e380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 65.624449][ T5236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.631048][ T5236] CR2: 00007f145fd95ed8 CR3: 000000002c5ae000 CR4: 00000000003526f0 [ 65.639107][ T5236] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.647127][ T5236] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.655161][ T5236] Kernel panic - not syncing: Fatal exception [ 65.661575][ T5236] Kernel Offset: disabled [ 65.665916][ T5236] Rebooting in 86400 seconds..