./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor121655440 <...> Warning: Permanently added '10.128.1.8' (ED25519) to the list of known hosts. execve("./syz-executor121655440", ["./syz-executor121655440"], 0x7ffe58261b40 /* 10 vars */) = 0 brk(NULL) = 0x555557435000 brk(0x555557435d00) = 0x555557435d00 arch_prctl(ARCH_SET_FS, 0x555557435380) = 0 set_tid_address(0x555557435650) = 5061 set_robust_list(0x555557435660, 24) = 0 rseq(0x555557435ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor121655440", 4096) = 27 getrandom("\x97\x7b\xaf\x57\x7b\xbe\x14\x02", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557435d00 brk(0x555557456d00) = 0x555557456d00 brk(0x555557457000) = 0x555557457000 mprotect(0x7ff695eb7000, 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 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff68da06000 write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 4194304) = 4194304 munmap(0x7ff68da06000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 66.352165][ T5061] loop0: detected capacity change from 0 to 8192 [ 66.384623][ T5061] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 66.397705][ T5061] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 66.407061][ T5061] REISERFS (device loop0): using ordered data mode [ 66.413935][ T5061] reiserfs: using flush barriers [ 66.420488][ T5061] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 66.437047][ T5061] REISERFS (device loop0): checking transaction log (loop0) mount("/dev/loop0", "./file0", "reiserfs", MS_DIRSYNC, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 [ 66.487890][ T5061] REISERFS (device loop0): Using r5 hash to sort names [ 66.495054][ T5061] REISERFS (device loop0): using 3.5.x disk format [ 66.502862][ T5061] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. close(4) = 0 openat(AT_FDCWD, "blkio.bfq.io_service_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4 write(4, "\x99", 1) = 1 openat(AT_FDCWD, "blkio.bfq.io_service_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 write(5, "\x99", 1) = 1 openat(AT_FDCWD, "blkio.bfq.io_service_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6 write(6, "\x00\xda\x62\x1c\xbf\x9e\x38\x66\xd3\xa4\xa4\xed\x1b\x5a\x24\x2f\x8c\xf3\x49\x16\xcd\x58\x1e\x40\x64\x62\x50\xd9\x55\xea\x37\x4f\x75\x60\xdf\x41\xb3\xfc\x40\xcb\x86\x65\x87\x10\x83\xb6\xa0\xe4\x7a\xae\x45\xe0\x1d\xe3\x18\x34\xa2\x19\x13\x2d\xa1\x0d\xf3\xa4\x95\x98\xa0\x25\xd7\x7a\x78\xd3\x0f\xe5\x79\x4f\xfc\x72\x5a\x51\x9b\x92\x62\xd8\x6c\x4c\xa4\x11\xd2\xa7\x2f\xc4\xa8\x2c\x6d\x4c\x8c\xfa\x0b\xf8"..., 183) = 183 openat(AT_FDCWD, "blkio.bfq.io_service_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 7 [ 66.621463][ T5061] ------------[ cut here ]------------ [ 66.627177][ T5061] kernel BUG at fs/reiserfs/journal.c:504! [ 66.633125][ T5061] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 66.639325][ T5061] CPU: 1 PID: 5061 Comm: syz-executor121 Not tainted 6.7.0-rc1-syzkaller-00311-g05aa69b096a0 #0 [ 66.649903][ T5061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 66.659956][ T5061] RIP: 0010:reiserfs_in_journal+0xa97/0xaa0 [ 66.665976][ T5061] Code: ff ff 48 8b 4c 24 30 80 e1 07 80 c1 03 38 c1 0f 8c 51 fd ff ff 48 8b 7c 24 30 e8 44 ae b1 ff e9 42 fd ff ff e8 3a cf 55 ff 90 <0f> 0b 0f 1f 80 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 55 41 54 [ 66.685600][ T5061] RSP: 0018:ffffc900040beee0 EFLAGS: 00010293 [ 66.691660][ T5061] RAX: ffffffff8238af76 RBX: ffffc90004163048 RCX: ffff888021c55940 [ 66.699738][ T5061] RDX: 0000000000000000 RSI: 0000000000000213 RDI: 0000000000000213 [ 66.707816][ T5061] RBP: ffffc90004163050 R08: ffffffff8238a7bd R09: 1ffff11003dab408 [ 66.715777][ T5061] R10: dffffc0000000000 R11: ffffed1003dab409 R12: 0000000000000213 [ 66.723741][ T5061] R13: ffffc900041612e0 R14: ffff88807eb2e000 R15: dffffc0000000000 [ 66.731710][ T5061] FS: 0000555557435380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 66.740890][ T5061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.747467][ T5061] CR2: 0000557072fa8ff0 CR3: 000000001cf8d000 CR4: 00000000003506f0 [ 66.755433][ T5061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.763493][ T5061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.771544][ T5061] Call Trace: [ 66.774814][ T5061] [ 66.777736][ T5061] ? __die_body+0x8b/0xe0 [ 66.782073][ T5061] ? die+0xa1/0xd0 [ 66.785786][ T5061] ? do_trap+0x153/0x380 [ 66.790022][ T5061] ? reiserfs_in_journal+0xa97/0xaa0 [ 66.795307][ T5061] ? do_error_trap+0x1dc/0x2c0 [ 66.800155][ T5061] ? reiserfs_in_journal+0xa97/0xaa0 [ 66.806127][ T5061] ? fs_reclaim_acquire+0x92/0x120 [ 66.811242][ T5061] ? do_int3+0x50/0x50 [ 66.815335][ T5061] ? handle_invalid_op+0x34/0x40 [ 66.820266][ T5061] ? reiserfs_in_journal+0xa97/0xaa0 [ 66.825552][ T5061] ? exc_invalid_op+0x34/0x50 [ 66.830264][ T5061] ? asm_exc_invalid_op+0x1a/0x20 [ 66.835298][ T5061] ? reiserfs_in_journal+0x2dd/0xaa0 [ 66.840570][ T5061] ? reiserfs_in_journal+0xa96/0xaa0 [ 66.845845][ T5061] ? reiserfs_in_journal+0xa97/0xaa0 [ 66.851140][ T5061] scan_bitmap_block+0x2e2/0xff0 [ 66.856166][ T5061] ? oid_groups+0x500/0x500 [ 66.860750][ T5061] reiserfs_allocate_blocknrs+0x2ddd/0x5070 [ 66.866654][ T5061] ? search_by_key+0x4950/0x4950 [ 66.871594][ T5061] ? show_alloc_options+0xc00/0xc00 [ 66.876871][ T5061] ? journal_begin+0x1f3/0x360 [ 66.881625][ T5061] ? copy_item_head+0x22/0x30 [ 66.886307][ T5061] reiserfs_get_block+0x3280/0x5130 [ 66.891552][ T5061] ? make_le_item_head+0x570/0x570 [ 66.896743][ T5061] ? kmem_cache_alloc+0x19e/0x2b0 [ 66.901763][ T5061] ? alloc_buffer_head+0x2d/0x2a0 [ 66.906783][ T5061] ? folio_alloc_buffers+0x2d9/0x830 [ 66.912150][ T5061] ? create_empty_buffers+0x3a/0x740 [ 66.917422][ T5061] ? __block_write_begin_int+0x1f4/0x1ad0 [ 66.923129][ T5061] ? reiserfs_write_begin+0x24d/0x520 [ 66.928492][ T5061] ? generic_perform_write+0x31b/0x630 [ 66.933947][ T5061] ? generic_file_write_iter+0xaf/0x310 [ 66.939486][ T5061] ? vfs_write+0x792/0xb20 [ 66.943894][ T5061] ? ksys_write+0x1a0/0x2c0 [ 66.948388][ T5061] ? do_syscall_64+0x45/0x110 [ 66.953053][ T5061] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 66.959376][ T5061] ? mark_lock+0x9a/0x350 [ 66.963698][ T5061] ? __lock_acquire+0x1345/0x1fd0 [ 66.968725][ T5061] ? create_empty_buffers+0x53e/0x740 [ 66.974096][ T5061] ? do_raw_spin_unlock+0x13b/0x8b0 [ 66.979290][ T5061] ? _raw_spin_unlock+0x28/0x40 [ 66.984135][ T5061] ? create_empty_buffers+0x53e/0x740 [ 66.989672][ T5061] __block_write_begin_int+0x54d/0x1ad0 [ 66.995220][ T5061] ? make_le_item_head+0x570/0x570 [ 67.000323][ T5061] ? folio_zero_new_buffers+0x540/0x540 [ 67.005948][ T5061] ? __block_write_begin+0x64/0x150 [ 67.011306][ T5061] reiserfs_write_begin+0x24d/0x520 [ 67.016500][ T5061] generic_perform_write+0x31b/0x630 [ 67.021787][ T5061] ? generic_file_direct_write+0x3f0/0x3f0 [ 67.027588][ T5061] ? __generic_file_write_iter+0x101/0x230 [ 67.033397][ T5061] generic_file_write_iter+0xaf/0x310 [ 67.038768][ T5061] vfs_write+0x792/0xb20 [ 67.043615][ T5061] ? file_end_write+0x250/0x250 [ 67.048468][ T5061] ? _raw_spin_unlock_irq+0x2e/0x50 [ 67.053750][ T5061] ? __fdget_pos+0x2c7/0x340 [ 67.058336][ T5061] ksys_write+0x1a0/0x2c0 [ 67.062747][ T5061] ? print_irqtrace_events+0x220/0x220 [ 67.068197][ T5061] ? __ia32_sys_read+0x90/0x90 [ 67.072954][ T5061] ? syscall_enter_from_user_mode+0xa4/0x2d0 [ 67.078931][ T5061] ? syscall_enter_from_user_mode+0xf5/0x2d0 [ 67.084909][ T5061] do_syscall_64+0x45/0x110 [ 67.089403][ T5061] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 67.095291][ T5061] RIP: 0033:0x7ff695e43839 [ 67.099716][ T5061] 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 [ 67.119331][ T5061] RSP: 002b:00007ffd551b5b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.127744][ T5061] RAX: ffffffffffffffda RBX: 00007ffd551b5d68 RCX: 00007ff695e43839 [ 67.135707][ T5061] RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000007 [ 67.143793][ T5061] RBP: 00007ff695eb7610 R08: 00007ffd551b5d68 R09: 00007ffd551b5d68 [ 67.151840][ T5061] R10: 00007ffd551b5d68 R11: 0000000000000246 R12: 0000000000000001 [ 67.159807][ T5061] R13: 00007ffd551b5d58 R14: 0000000000000001 R15: 0000000000000001 [ 67.167777][ T5061] [ 67.170784][ T5061] Modules linked in: [ 67.174833][ T5061] ---[ end trace 0000000000000000 ]--- [ 67.180426][ T5061] RIP: 0010:reiserfs_in_journal+0xa97/0xaa0 [ 67.186351][ T5061] Code: ff ff 48 8b 4c 24 30 80 e1 07 80 c1 03 38 c1 0f 8c 51 fd ff ff 48 8b 7c 24 30 e8 44 ae b1 ff e9 42 fd ff ff e8 3a cf 55 ff 90 <0f> 0b 0f 1f 80 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 55 41 54 [ 67.206021][ T5061] RSP: 0018:ffffc900040beee0 EFLAGS: 00010293 [ 67.212645][ T5061] RAX: ffffffff8238af76 RBX: ffffc90004163048 RCX: ffff888021c55940 [ 67.220640][ T5061] RDX: 0000000000000000 RSI: 0000000000000213 RDI: 0000000000000213 [ 67.228651][ T5061] RBP: ffffc90004163050 R08: ffffffff8238a7bd R09: 1ffff11003dab408 [ 67.236659][ T5061] R10: dffffc0000000000 R11: ffffed1003dab409 R12: 0000000000000213 [ 67.244679][ T5061] R13: ffffc900041612e0 R14: ffff88807eb2e000 R15: dffffc0000000000 [ 67.252679][ T5061] FS: 0000555557435380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 67.261634][ T5061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.268199][ T5061] CR2: 0000557072fa8ff0 CR3: 000000001cf8d000 CR4: 00000000003506f0 [ 67.276295][ T5061] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.284340][ T5061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.292370][ T5061] Kernel panic - not syncing: Fatal exception [ 67.298636][ T5061] Kernel Offset: disabled [ 67.302955][ T5061] Rebooting in 86400 seconds..