./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2597048271 <...> Warning: Permanently added '10.128.1.204' (ED25519) to the list of known hosts. execve("./syz-executor2597048271", ["./syz-executor2597048271"], 0x7fff1a1ba160 /* 10 vars */) = 0 brk(NULL) = 0x555560764000 brk(0x555560764d00) = 0x555560764d00 arch_prctl(ARCH_SET_FS, 0x555560764380) = 0 set_tid_address(0x555560764650) = 5224 set_robust_list(0x555560764660, 24) = 0 rseq(0x555560764ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2597048271", 4096) = 28 getrandom("\x58\x44\xb4\x32\xe2\x96\x63\xce", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555560764d00 brk(0x555560785d00) = 0x555560785d00 brk(0x555560786000) = 0x555560786000 mprotect(0x7fc4abf3c000, 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 5225 attached [pid 5225] set_robust_list(0x555560764660, 24) = 0 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] <... clone resumed>, child_tidptr=0x555560764650) = 5225 [pid 5225] <... prctl resumed>) = 0 [pid 5225] setpgid(0, 0) = 0 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5225] write(3, "1000", 4) = 4 [pid 5225] close(3) = 0 executing program [pid 5225] write(1, "executing program\n", 18) = 18 [pid 5225] memfd_create("syzkaller", 0) = 3 [pid 5225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc4a3a00000 [pid 5225] 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 5225] munmap(0x7fc4a3a00000, 138412032) = 0 [pid 5225] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5225] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5225] close(3) = 0 [pid 5225] close(4) = 0 [pid 5225] mkdir("./file0", 0777) = 0 syzkaller login: [ 70.705971][ T5225] loop0: detected capacity change from 0 to 32768 [ 70.753128][ T5225] ------------[ cut here ]------------ [ 70.758838][ T5225] kernel BUG at fs/ocfs2/inode.c:336! [ 70.764475][ T5225] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 70.771469][ T5225] CPU: 0 UID: 0 PID: 5225 Comm: syz-executor259 Not tainted 6.11.0-syzkaller-07337-g2004cef11ea0 #0 [ 70.782298][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 70.792387][ T5225] RIP: 0010:ocfs2_populate_inode+0x17c1/0x17e0 [ 70.798570][ T5225] Code: de e8 a3 93 0e fe 45 84 f6 75 2f e8 99 90 0e fe 49 bc 00 00 00 00 00 fc ff df 4c 8b 6c 24 20 e9 a8 f1 ff ff e8 80 90 0e fe 90 <0f> 0b e8 78 90 0e fe 90 0f 0b 90 e9 bb fe ff ff e8 6a 90 0e fe e8 [ 70.818228][ T5225] RSP: 0018:ffffc90003bded20 EFLAGS: 00010293 [ 70.824307][ T5225] RAX: ffffffff83862e50 RBX: 0000000000000020 RCX: ffff88804d20da00 [ 70.832287][ T5225] RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000000 [ 70.840266][ T5225] RBP: ffffc90003bdee50 R08: ffffffff8386215b R09: 1ffffffff20365d5 [ 70.848403][ T5225] R10: dffffc0000000000 R11: fffffbfff20365d6 R12: dffffc0000000000 [ 70.856665][ T5225] R13: ffff88807497cfb8 R14: 0000000000000001 R15: ffff88801a86fe2c [ 70.864656][ T5225] FS: 0000555560764380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 70.873600][ T5225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.880214][ T5225] CR2: 00007ffd72273000 CR3: 000000007892e000 CR4: 00000000003506f0 [ 70.888201][ T5225] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.896210][ T5225] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.904185][ T5225] Call Trace: [ 70.907469][ T5225] [ 70.910419][ T5225] ? __die_body+0x5f/0xb0 [ 70.914782][ T5225] ? die+0x9e/0xc0 [ 70.918537][ T5225] ? do_trap+0x15a/0x3a0 [ 70.922790][ T5225] ? ocfs2_populate_inode+0x17c1/0x17e0 [ 70.928340][ T5225] ? do_error_trap+0x1dc/0x2c0 [ 70.933114][ T5225] ? ocfs2_populate_inode+0x17c1/0x17e0 [ 70.938665][ T5225] ? __pfx_do_error_trap+0x10/0x10 [ 70.943786][ T5225] ? report_bug+0x3e8/0x500 [ 70.948348][ T5225] ? handle_invalid_op+0x34/0x40 [ 70.953413][ T5225] ? ocfs2_populate_inode+0x17c1/0x17e0 [ 70.959050][ T5225] ? exc_invalid_op+0x38/0x50 [ 70.963735][ T5225] ? asm_exc_invalid_op+0x1a/0x20 [ 70.968798][ T5225] ? ocfs2_populate_inode+0xacb/0x17e0 [ 70.974268][ T5225] ? ocfs2_populate_inode+0x17c0/0x17e0 [ 70.979850][ T5225] ? ocfs2_populate_inode+0x17c1/0x17e0 [ 70.985841][ T5225] ? __pfx_ocfs2_populate_inode+0x10/0x10 [ 70.991564][ T5225] ? __pfx_ocfs2_init_locked_inode+0x10/0x10 [ 70.997551][ T5225] ? __pfx_ocfs2_find_actor+0x10/0x10 [ 71.002933][ T5225] ocfs2_iget+0x1162/0x2180 [ 71.007437][ T5225] ? __pfx_format_decode+0x10/0x10 [ 71.012584][ T5225] ? __pfx_ocfs2_iget+0x10/0x10 [ 71.017533][ T5225] ? vsnprintf+0x1ccd/0x1da0 [ 71.022139][ T5225] ? ocfs2_find_files_on_disk+0x11a/0x360 [ 71.027894][ T5225] ? __brelse+0x59/0xa0 [ 71.032099][ T5225] ? ocfs2_lookup_ino_from_name+0x18b/0x1e0 [ 71.038110][ T5225] ocfs2_get_system_file_inode+0x352/0x7b0 [ 71.043974][ T5225] ? __pfx_ocfs2_get_system_file_inode+0x10/0x10 [ 71.050319][ T5225] ? _atomic_dec_and_lock+0x9a/0x130 [ 71.055612][ T5225] ? iput+0x3be/0xa50 [ 71.059599][ T5225] ocfs2_init_global_system_inodes+0x32c/0x730 [ 71.065766][ T5225] ? __pfx_ocfs2_init_global_system_inodes+0x10/0x10 [ 71.072481][ T5225] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 71.078037][ T5225] ? ocfs2_new_dlm_debug+0xb5/0x200 [ 71.083251][ T5225] ? __pfx_ocfs2_new_dlm_debug+0x10/0x10 [ 71.088894][ T5225] ? rcu_is_watching+0x15/0xb0 [ 71.093673][ T5225] ? trace_ocfs2_initialize_super+0x9e/0x230 [ 71.099693][ T5225] ocfs2_fill_super+0x3068/0x5880 [ 71.104743][ T5225] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 71.110156][ T5225] ? mark_lock+0x9a/0x360 [ 71.114496][ T5225] ? validate_chain+0x11e/0x5920 [ 71.119454][ T5225] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 71.125851][ T5225] ? do_raw_spin_unlock+0x13c/0x8b0 [ 71.131161][ T5225] ? finish_task_switch+0x1e5/0x870 [ 71.136381][ T5225] ? lockdep_hardirqs_on+0x99/0x150 [ 71.141604][ T5225] ? __pfx_validate_chain+0x10/0x10 [ 71.146812][ T5225] ? __schedule+0x184b/0x4b00 [ 71.151594][ T5225] ? string+0x26a/0x2b0 [ 71.155761][ T5225] ? widen_string+0x3a/0x310 [ 71.160359][ T5225] ? string+0x26a/0x2b0 [ 71.164523][ T5225] ? bdev_name+0x2b1/0x3c0 [ 71.168947][ T5225] ? pointer+0x703/0x1210 [ 71.173285][ T5225] ? __pfx_pointer+0x10/0x10 [ 71.178057][ T5225] ? __pfx_format_decode+0x10/0x10 [ 71.183241][ T5225] ? __lock_acquire+0x1384/0x2050 [ 71.188289][ T5225] ? vsnprintf+0x1ccd/0x1da0 [ 71.192937][ T5225] ? snprintf+0xda/0x120 [ 71.197212][ T5225] ? __pfx_lock_release+0x10/0x10 [ 71.202254][ T5225] ? do_raw_spin_lock+0x14f/0x370 [ 71.207285][ T5225] ? __pfx_snprintf+0x10/0x10 [ 71.211973][ T5225] ? set_blocksize+0x1f9/0x360 [ 71.216760][ T5225] ? sb_set_blocksize+0x98/0xf0 [ 71.221633][ T5225] ? setup_bdev_super+0x4e6/0x5d0 [ 71.226669][ T5225] mount_bdev+0x20a/0x2d0 [ 71.231027][ T5225] ? __pfx_ocfs2_fill_super+0x10/0x10 [ 71.236414][ T5225] ? __pfx_mount_bdev+0x10/0x10 [ 71.241273][ T5225] ? vfs_parse_fs_string+0x190/0x230 [ 71.246590][ T5225] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 71.252251][ T5225] legacy_get_tree+0xee/0x190 [ 71.256959][ T5225] ? __pfx_ocfs2_mount+0x10/0x10 [ 71.261939][ T5225] vfs_get_tree+0x90/0x2b0 [ 71.266386][ T5225] do_new_mount+0x2be/0xb40 [ 71.270908][ T5225] ? __pfx_do_new_mount+0x10/0x10 [ 71.275964][ T5225] __se_sys_mount+0x2d6/0x3c0 [ 71.280828][ T5225] ? __pfx___se_sys_mount+0x10/0x10 [ 71.286071][ T5225] ? do_syscall_64+0x100/0x230 [ 71.290870][ T5225] ? __x64_sys_mount+0x20/0xc0 [ 71.295646][ T5225] do_syscall_64+0xf3/0x230 [ 71.300157][ T5225] ? clear_bhb_loop+0x35/0x90 [ 71.304836][ T5225] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 71.310732][ T5225] RIP: 0033:0x7fc4abec51aa [ 71.315154][ T5225] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 71.334763][ T5225] RSP: 002b:00007ffd72272638 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 71.343180][ T5225] RAX: ffffffffffffffda RBX: 00007ffd72272640 RCX: 00007fc4abec51aa [ 71.351160][ T5225] RDX: 0000000020004480 RSI: 00000000200044c0 RDI: 00007ffd72272640 [ 71.359135][ T5225] RBP: 0000000000000004 R08: 00007ffd72272680 R09: 0000000000004476 [ 71.367141][ T5225] R10: 0000000000800401 R11: 0000000000000282 R12: 00007ffd72272680 [ 71.375139][ T5225] R13: 0000000000000003 R14: 0000000001000000 R15: 00007fc4abf0d03b [ 71.383132][ T5225] [ 71.386151][ T5225] Modules linked in: [ 71.390272][ T5225] ---[ end trace 0000000000000000 ]--- [ 71.397177][ T5225] RIP: 0010:ocfs2_populate_inode+0x17c1/0x17e0 [ 71.404139][ T5225] Code: de e8 a3 93 0e fe 45 84 f6 75 2f e8 99 90 0e fe 49 bc 00 00 00 00 00 fc ff df 4c 8b 6c 24 20 e9 a8 f1 ff ff e8 80 90 0e fe 90 <0f> 0b e8 78 90 0e fe 90 0f 0b 90 e9 bb fe ff ff e8 6a 90 0e fe e8 [ 71.423918][ T5225] RSP: 0018:ffffc90003bded20 EFLAGS: 00010293 [ 71.430031][ T5225] RAX: ffffffff83862e50 RBX: 0000000000000020 RCX: ffff88804d20da00 [ 71.438068][ T5225] RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000000 [ 71.446101][ T5225] RBP: ffffc90003bdee50 R08: ffffffff8386215b R09: 1ffffffff20365d5 [ 71.454161][ T5225] R10: dffffc0000000000 R11: fffffbfff20365d6 R12: dffffc0000000000 [ 71.462155][ T5225] R13: ffff88807497cfb8 R14: 0000000000000001 R15: ffff88801a86fe2c [ 71.470215][ T5225] FS: 0000555560764380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 71.479187][ T5225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.485821][ T5225] CR2: 00007ffd72273000 CR3: 000000007892e000 CR4: 00000000003506f0 [ 71.493831][ T5225] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.501801][ T5225] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.509837][ T5225] Kernel panic - not syncing: Fatal exception [ 71.516247][ T5225] Kernel Offset: disabled [ 71.520575][ T5225] Rebooting in 86400 seconds..