./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor614371820 <...> Warning: Permanently added '10.128.1.171' (ED25519) to the list of known hosts. execve("./syz-executor614371820", ["./syz-executor614371820"], 0x7ffe956c8da0 /* 10 vars */) = 0 brk(NULL) = 0x555555c06000 brk(0x555555c06d00) = 0x555555c06d00 arch_prctl(ARCH_SET_FS, 0x555555c06380) = 0 set_tid_address(0x555555c06650) = 5023 set_robust_list(0x555555c06660, 24) = 0 rseq(0x555555c06ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor614371820", 4096) = 27 getrandom("\x1c\x73\x8c\xf9\x34\x3b\xdc\x3c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555c06d00 brk(0x555555c27d00) = 0x555555c27d00 brk(0x555555c28000) = 0x555555c28000 mprotect(0x7f5b6755c000, 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) = 0x7f5b5f0ab000 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(0x7f5b5f0ab000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 58.520651][ T5023] syz-executor614[5023]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 58.571324][ T5023] loop0: detected capacity change from 0 to 8192 [ 58.583266][ T5023] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 58.596491][ T5023] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 58.605877][ T5023] REISERFS (device loop0): using ordered data mode [ 58.612392][ T5023] reiserfs: using flush barriers [ 58.618968][ T5023] 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 [ 58.635533][ T5023] REISERFS (device loop0): checking transaction log (loop0) [ 58.645003][ T5023] REISERFS (device loop0): Using tea hash to sort names [ 58.653301][ T5023] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [1 2 0x0 SD] (nlink == 1) not found (pos 2) mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 openat(AT_FDCWD, ".", O_RDONLY) = 4 openat(4, "hugetlb.2MB.usage_in_bytes", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5 [ 58.667150][ T5023] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 58.689570][ T5023] ------------[ cut here ]------------ [ 58.695190][ T5023] kernel BUG at fs/reiserfs/journal.c:505! [ 58.701031][ T5023] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 58.707105][ T5023] CPU: 1 PID: 5023 Comm: syz-executor614 Not tainted 6.6.0-rc7-syzkaller-00041-g611da07b89fd #0 [ 58.717527][ T5023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 58.727578][ T5023] RIP: 0010:reiserfs_in_journal+0xa96/0xaa0 [ 58.733474][ T5023] Code: f6 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 94 cd b1 ff e9 42 fd ff ff e8 0a 1e 57 ff <0f> 0b 0f 1f 84 00 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 55 41 [ 58.753060][ T5023] RSP: 0018:ffffc900043aeee0 EFLAGS: 00010293 [ 58.759119][ T5023] RAX: ffffffff8236ff56 RBX: ffffc900043f3048 RCX: ffff8880235fbb80 [ 58.767073][ T5023] RDX: 0000000000000000 RSI: 0000000000000213 RDI: 0000000000000213 [ 58.775035][ T5023] RBP: ffffc900043f3050 R08: ffffffff8236f79d R09: 1ffff1100e643608 [ 58.783072][ T5023] R10: dffffc0000000000 R11: ffffed100e643609 R12: 0000000000000213 [ 58.791022][ T5023] R13: ffffc900043f12e0 R14: ffff888020b68000 R15: dffffc0000000000 [ 58.798990][ T5023] FS: 0000555555c06380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 58.807898][ T5023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.814461][ T5023] CR2: 000000002000b000 CR3: 0000000072839000 CR4: 00000000003506e0 [ 58.822416][ T5023] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.830386][ T5023] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.838337][ T5023] Call Trace: [ 58.841599][ T5023] [ 58.844511][ T5023] ? __die_body+0x8b/0xe0 [ 58.848826][ T5023] ? die+0xa1/0xd0 [ 58.852526][ T5023] ? do_trap+0x153/0x380 [ 58.856750][ T5023] ? reiserfs_in_journal+0xa96/0xaa0 [ 58.862012][ T5023] ? do_error_trap+0x1dc/0x2c0 [ 58.866757][ T5023] ? reiserfs_in_journal+0xa96/0xaa0 [ 58.872027][ T5023] ? do_int3+0x50/0x50 [ 58.876081][ T5023] ? handle_invalid_op+0x34/0x40 [ 58.880998][ T5023] ? reiserfs_in_journal+0xa96/0xaa0 [ 58.886267][ T5023] ? exc_invalid_op+0x33/0x50 [ 58.890929][ T5023] ? asm_exc_invalid_op+0x1a/0x20 [ 58.895936][ T5023] ? reiserfs_in_journal+0x2dd/0xaa0 [ 58.901200][ T5023] ? reiserfs_in_journal+0xa96/0xaa0 [ 58.906462][ T5023] ? reiserfs_in_journal+0xa96/0xaa0 [ 58.911730][ T5023] scan_bitmap_block+0x48b/0xff0 [ 58.916653][ T5023] ? oid_groups+0x500/0x500 [ 58.921140][ T5023] reiserfs_allocate_blocknrs+0x2ddd/0x5070 [ 58.927020][ T5023] ? search_by_key+0x4b60/0x4b60 [ 58.931935][ T5023] ? show_alloc_options+0xc00/0xc00 [ 58.937115][ T5023] ? journal_begin+0x1f3/0x360 [ 58.941856][ T5023] ? copy_item_head+0x22/0x30 [ 58.946519][ T5023] reiserfs_get_block+0x3280/0x5130 [ 58.951711][ T5023] ? make_le_item_head+0x570/0x570 [ 58.956800][ T5023] ? ksys_write+0x1a0/0x2c0 [ 58.961284][ T5023] ? verify_lock_unused+0x140/0x140 [ 58.966476][ T5023] ? __lock_acquire+0x7f70/0x7f70 [ 58.971479][ T5023] ? do_raw_spin_unlock+0x13b/0x8b0 [ 58.976660][ T5023] ? _raw_spin_unlock+0x28/0x40 [ 58.981488][ T5023] ? folio_create_buffers+0x132/0x250 [ 58.986841][ T5023] __block_write_begin_int+0x54d/0x1ac0 [ 58.992367][ T5023] ? folio_add_lru+0x27b/0x9d0 [ 58.997112][ T5023] ? make_le_item_head+0x570/0x570 [ 59.002202][ T5023] ? folio_zero_new_buffers+0x530/0x530 [ 59.007728][ T5023] ? __block_write_begin+0x64/0x150 [ 59.012911][ T5023] reiserfs_write_begin+0x24d/0x520 [ 59.018094][ T5023] generic_perform_write+0x31b/0x630 [ 59.023360][ T5023] ? generic_file_direct_write+0x3f0/0x3f0 [ 59.029147][ T5023] ? __generic_file_write_iter+0x101/0x230 [ 59.034933][ T5023] generic_file_write_iter+0xaf/0x310 [ 59.040288][ T5023] vfs_write+0x782/0xaf0 [ 59.044531][ T5023] ? file_end_write+0x250/0x250 [ 59.049368][ T5023] ? lockdep_hardirqs_on+0x98/0x140 [ 59.054580][ T5023] ? __fdget_pos+0x2c7/0x340 [ 59.059168][ T5023] ksys_write+0x1a0/0x2c0 [ 59.063494][ T5023] ? __ia32_sys_read+0x90/0x90 [ 59.068259][ T5023] ? syscall_enter_from_user_mode+0x32/0x230 [ 59.074247][ T5023] ? syscall_enter_from_user_mode+0x8c/0x230 [ 59.080235][ T5023] do_syscall_64+0x41/0xc0 [ 59.084644][ T5023] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.090526][ T5023] RIP: 0033:0x7f5b674e8679 [ 59.094924][ T5023] 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 [ 59.114522][ T5023] RSP: 002b:00007fff1228a9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.122923][ T5023] RAX: ffffffffffffffda RBX: 00007fff1228aba8 RCX: 00007f5b674e8679 [ 59.130877][ T5023] RDX: 000000000000fea7 RSI: 0000000020000080 RDI: 0000000000000005 [ 59.138834][ T5023] RBP: 00007f5b6755c610 R08: 00007fff1228aba8 R09: 00007fff1228aba8 [ 59.146793][ T5023] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 59.154751][ T5023] R13: 00007fff1228ab98 R14: 0000000000000001 R15: 0000000000000001 [ 59.162722][ T5023] [ 59.165753][ T5023] Modules linked in: [ 59.169861][ T5023] ---[ end trace 0000000000000000 ]--- [ 59.175589][ T5023] RIP: 0010:reiserfs_in_journal+0xa96/0xaa0 [ 59.181513][ T5023] Code: f6 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 94 cd b1 ff e9 42 fd ff ff e8 0a 1e 57 ff <0f> 0b 0f 1f 84 00 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 55 41 [ 59.201184][ T5023] RSP: 0018:ffffc900043aeee0 EFLAGS: 00010293 [ 59.207448][ T5023] RAX: ffffffff8236ff56 RBX: ffffc900043f3048 RCX: ffff8880235fbb80 [ 59.215620][ T5023] RDX: 0000000000000000 RSI: 0000000000000213 RDI: 0000000000000213 [ 59.223594][ T5023] RBP: ffffc900043f3050 R08: ffffffff8236f79d R09: 1ffff1100e643608 [ 59.231586][ T5023] R10: dffffc0000000000 R11: ffffed100e643609 R12: 0000000000000213 [ 59.239589][ T5023] R13: ffffc900043f12e0 R14: ffff888020b68000 R15: dffffc0000000000 [ 59.247585][ T5023] FS: 0000555555c06380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 59.256544][ T5023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.263107][ T5023] CR2: 0000564f0593cf98 CR3: 0000000072839000 CR4: 00000000003506f0 [ 59.271092][ T5023] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.279084][ T5023] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.287245][ T5023] Kernel panic - not syncing: Fatal exception [ 59.293487][ T5023] Kernel Offset: disabled [ 59.297795][ T5023] Rebooting in 86400 seconds..