./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3518354049 <...> Warning: Permanently added '10.128.1.107' (ED25519) to the list of known hosts. execve("./syz-executor3518354049", ["./syz-executor3518354049"], 0x7ffc5714d840 /* 10 vars */) = 0 brk(NULL) = 0x555557b54000 brk(0x555557b54d00) = 0x555557b54d00 arch_prctl(ARCH_SET_FS, 0x555557b54380) = 0 set_tid_address(0x555557b54650) = 5831 set_robust_list(0x555557b54660, 24) = 0 rseq(0x555557b54ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3518354049", 4096) = 28 getrandom("\x58\xf5\x2c\x12\x79\x8a\xbe\xbb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557b54d00 brk(0x555557b75d00) = 0x555557b75d00 brk(0x555557b76000) = 0x555557b76000 mprotect(0x7fa7b6473000, 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 executing program write(1, "executing program\n", 18) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa7ade00000 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 munmap(0x7fa7ade00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file1", 0777) = 0 [ 72.677319][ T5831] loop0: detected capacity change from 0 to 32768 [ 72.730614][ T5831] ======================================================= [ 72.730614][ T5831] WARNING: The mand mount option has been deprecated and [ 72.730614][ T5831] and is ignored by this kernel. Remove the mand [ 72.730614][ T5831] option from the mount to silence this warning. [ 72.730614][ T5831] ======================================================= mount("/dev/loop0", "./file1", "ocfs2", MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_REC|MS_STRICTATIME|MS_LAZYTIME, "acl,heartbeat=none,dir_resv_level=00000000000000000003,resv_level=00000000000000000006,coherency=ful"...) = 0 openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 chdir("./file1") = 0 [ 72.786214][ T5831] JBD2: Ignoring recovery information on journal [ 72.815744][ T5831] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 72.878267][ T5831] ------------[ cut here ]------------ [ 72.883999][ T5831] kernel BUG at fs/ocfs2/suballoc.c:1441! [ 72.889767][ T5831] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 72.896705][ T5831] CPU: 1 UID: 0 PID: 5831 Comm: syz-executor351 Not tainted 6.12.0-rc7-syzkaller #0 [ 72.906068][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 72.916127][ T5831] RIP: 0010:ocfs2_claim_suballoc_bits+0x240c/0x2570 [ 72.922770][ T5831] Code: da a1 01 fe 90 0f 0b e8 d2 a1 01 fe 90 0f 0b e8 ca a1 01 fe 90 0f 0b e8 c2 a1 01 fe 90 0f 0b e8 0a af 2b 08 e8 b5 a1 01 fe 90 <0f> 0b e8 ad a1 01 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 7b 9f 70 7c bf [ 72.942385][ T5831] RSP: 0018:ffffc90003c47220 EFLAGS: 00010293 [ 72.948451][ T5831] RAX: ffffffff839337fb RBX: 0000000000000000 RCX: ffff88802ecc1e00 [ 72.956416][ T5831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 72.964381][ T5831] RBP: ffffc90003c474d0 R08: ffffffff839322e5 R09: 0000000000000000 [ 72.972350][ T5831] R10: ffffc90003c47560 R11: fffff52000788eb1 R12: dffffc0000000000 [ 72.980319][ T5831] R13: ffff888145fe4c08 R14: ffff8880744fa400 R15: 0000000000000002 [ 72.988299][ T5831] FS: 0000555557b54380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 72.997288][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.003871][ T5831] CR2: 000055a6f7b39620 CR3: 00000000798ae000 CR4: 00000000003526f0 [ 73.011855][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.019825][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.027789][ T5831] Call Trace: [ 73.031061][ T5831] [ 73.034007][ T5831] ? __die_body+0x5f/0xb0 [ 73.038335][ T5831] ? die+0x9e/0xc0 [ 73.042050][ T5831] ? do_trap+0x15a/0x3a0 [ 73.046294][ T5831] ? ocfs2_claim_suballoc_bits+0x240c/0x2570 [ 73.052304][ T5831] ? do_error_trap+0x1dc/0x2c0 [ 73.057076][ T5831] ? ocfs2_claim_suballoc_bits+0x240c/0x2570 [ 73.063084][ T5831] ? __pfx_validate_chain+0x10/0x10 [ 73.068282][ T5831] ? __pfx_do_error_trap+0x10/0x10 [ 73.073432][ T5831] ? handle_invalid_op+0x34/0x40 [ 73.078466][ T5831] ? ocfs2_claim_suballoc_bits+0x240c/0x2570 [ 73.084447][ T5831] ? exc_invalid_op+0x38/0x50 [ 73.089144][ T5831] ? asm_exc_invalid_op+0x1a/0x20 [ 73.094169][ T5831] ? ocfs2_claim_suballoc_bits+0xef5/0x2570 [ 73.100066][ T5831] ? ocfs2_claim_suballoc_bits+0x240b/0x2570 [ 73.106067][ T5831] ? ocfs2_claim_suballoc_bits+0x240c/0x2570 [ 73.112048][ T5831] ? mark_lock+0x9a/0x360 [ 73.116375][ T5831] ? __lock_acquire+0x1384/0x2050 [ 73.121428][ T5831] ? __pfx_ocfs2_claim_suballoc_bits+0x10/0x10 [ 73.127609][ T5831] ? mark_lock+0x9a/0x360 [ 73.131985][ T5831] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 73.137972][ T5831] ocfs2_claim_new_inode+0x338/0x870 [ 73.143286][ T5831] ? __pfx_ocfs2_claim_new_inode+0x10/0x10 [ 73.149097][ T5831] ? __set_current_blocked+0x310/0x380 [ 73.154668][ T5831] ? __pfx___set_current_blocked+0x10/0x10 [ 73.160475][ T5831] ? rcu_is_watching+0x15/0xb0 [ 73.165262][ T5831] ocfs2_mknod_locked+0x17a/0x3b0 [ 73.170301][ T5831] ? __pfx_sigprocmask+0x10/0x10 [ 73.175338][ T5831] ? __pfx_ocfs2_mknod_locked+0x10/0x10 [ 73.180891][ T5831] ? ocfs2_start_trans+0x4e3/0x700 [ 73.186007][ T5831] ? __pfx_ocfs2_block_signals+0x10/0x10 [ 73.191636][ T5831] ? ocfs2_init_security_get+0x12d/0x1a0 [ 73.197360][ T5831] ocfs2_mknod+0x17d4/0x2b40 [ 73.202048][ T5831] ? __pfx_validate_chain+0x10/0x10 [ 73.207343][ T5831] ? __pfx_ocfs2_mknod+0x10/0x10 [ 73.212293][ T5831] ? __lock_acquire+0x1384/0x2050 [ 73.217340][ T5831] ? __lock_acquire+0x1384/0x2050 [ 73.222376][ T5831] ? __pfx_lock_acquire+0x10/0x10 [ 73.227407][ T5831] ? smack_log+0x123/0x540 [ 73.231822][ T5831] ? ocfs2_inode_unlock_tracker+0x23e/0x2b0 [ 73.237807][ T5831] ? __pfx_smack_log+0x10/0x10 [ 73.242568][ T5831] ? smk_access+0x4ab/0x4e0 [ 73.247068][ T5831] ? smk_tskacc+0x300/0x370 [ 73.251569][ T5831] ? smack_inode_permission+0x2dc/0x380 [ 73.257114][ T5831] ? __pfx_smack_inode_permission+0x10/0x10 [ 73.263017][ T5831] ? d_alloc+0x142/0x190 [ 73.267260][ T5831] ocfs2_mkdir+0x1ab/0x480 [ 73.271690][ T5831] ? __pfx_ocfs2_mkdir+0x10/0x10 [ 73.276630][ T5831] ? bpf_lsm_inode_mkdir+0x9/0x10 [ 73.281671][ T5831] ? security_inode_mkdir+0xbe/0x340 [ 73.286960][ T5831] vfs_mkdir+0x2f9/0x4f0 [ 73.291223][ T5831] do_mkdirat+0x264/0x3a0 [ 73.295579][ T5831] ? __pfx_do_mkdirat+0x10/0x10 [ 73.300475][ T5831] ? getname_flags+0x1e3/0x540 [ 73.305258][ T5831] __x64_sys_mkdirat+0x87/0xa0 [ 73.310036][ T5831] do_syscall_64+0xf3/0x230 [ 73.314553][ T5831] ? clear_bhb_loop+0x35/0x90 [ 73.319245][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 73.325141][ T5831] RIP: 0033:0x7fa7b63fc639 [ 73.329572][ T5831] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 [ 73.349317][ T5831] RSP: 002b:00007ffc7c0b1e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 73.357735][ T5831] RAX: ffffffffffffffda RBX: 00007ffc7c0b1ff8 RCX: 00007fa7b63fc639 [ 73.365793][ T5831] RDX: 0000000000000000 RSI: 0000000020002040 RDI: 00000000ffffff9c [ 73.373771][ T5831] RBP: 00007fa7b6473610 R08: 000000000000442c R09: 0000000000000000 [ 73.381737][ T5831] R10: 00007ffc7c0b1ce0 R11: 0000000000000246 R12: 0000000000000001 [ 73.389738][ T5831] R13: 00007ffc7c0b1fe8 R14: 0000000000000001 R15: 0000000000000001 [ 73.397745][ T5831] [ 73.400760][ T5831] Modules linked in: [ 73.404848][ T5831] ---[ end trace 0000000000000000 ]--- [ 73.410686][ T5831] RIP: 0010:ocfs2_claim_suballoc_bits+0x240c/0x2570 [ 73.417452][ T5831] Code: da a1 01 fe 90 0f 0b e8 d2 a1 01 fe 90 0f 0b e8 ca a1 01 fe 90 0f 0b e8 c2 a1 01 fe 90 0f 0b e8 0a af 2b 08 e8 b5 a1 01 fe 90 <0f> 0b e8 ad a1 01 fe 90 0f 0b f3 0f 1e fa 65 8b 1d 7b 9f 70 7c bf [ 73.437140][ T5831] RSP: 0018:ffffc90003c47220 EFLAGS: 00010293 [ 73.443267][ T5831] RAX: ffffffff839337fb RBX: 0000000000000000 RCX: ffff88802ecc1e00 [ 73.451273][ T5831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.459312][ T5831] RBP: ffffc90003c474d0 R08: ffffffff839322e5 R09: 0000000000000000 [ 73.467343][ T5831] R10: ffffc90003c47560 R11: fffff52000788eb1 R12: dffffc0000000000 [ 73.475414][ T5831] R13: ffff888145fe4c08 R14: ffff8880744fa400 R15: 0000000000000002 [ 73.483437][ T5831] FS: 0000555557b54380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 73.492393][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.499064][ T5831] CR2: 000055a6f7b39620 CR3: 00000000798ae000 CR4: 00000000003526f0 [ 73.507086][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.515143][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.523182][ T5831] Kernel panic - not syncing: Fatal exception [ 73.529685][ T5831] Kernel Offset: disabled [ 73.534025][ T5831] Rebooting in 86400 seconds..