REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. ------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:504! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 3 PID: 11499 Comm: syz-executor.3 Not tainted 6.7.0-rc4-syzkaller-00424-gc527f5606aa5 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:reiserfs_in_journal+0x239/0x730 fs/reiserfs/journal.c:504 Code: b3 5c ff 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 17 04 00 00 48 3b 5d 08 75 86 e8 dd b3 5c ff e8 d8 b3 5c ff 90 <0f> 0b e8 d0 b3 5c ff e8 cb b3 5c ff 48 8b 9b 30 06 00 00 48 b8 00 RSP: 0018:ffffc90002b5e998 EFLAGS: 00010287 RAX: 000000000002746f RBX: ffff888066714000 RCX: ffffc90004de4000 RDX: 0000000000040000 RSI: ffffffff822ad9d8 RDI: ffffc90002e0b050 RBP: ffffc90002e0b048 R08: 0000000000000006 R09: 0000000000000213 R10: 0000000000000213 R11: 0000000000000003 R12: 0000000000000213 R13: 0000000000000213 R14: dffffc0000000000 R15: ffff8880185a5000 FS: 0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:00000000f7fbeb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000031525000 CR3: 0000000000967000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_block_in_journal fs/reiserfs/bitmap.c:125 [inline] scan_bitmap_block.constprop.0+0x4b7/0x1080 fs/reiserfs/bitmap.c:203 scan_bitmap fs/reiserfs/bitmap.c:408 [inline] allocate_without_wrapping_disk fs/reiserfs/bitmap.c:1161 [inline] blocknrs_and_prealloc_arrays_from_search_start fs/reiserfs/bitmap.c:1274 [inline] reiserfs_allocate_blocknrs+0x2c41/0x5770 fs/reiserfs/bitmap.c:1375 reiserfs_new_unf_blocknrs fs/reiserfs/reiserfs.h:3363 [inline] _allocate_block fs/reiserfs/inode.c:645 [inline] reiserfs_get_block+0xb13/0x4570 fs/reiserfs/inode.c:756 __block_write_begin_int+0x3c0/0x1560 fs/buffer.c:2119 reiserfs_write_begin+0x350/0x7d0 fs/reiserfs/inode.c:2767 generic_perform_write+0x278/0x600 mm/filemap.c:3918 __generic_file_write_iter+0x1f9/0x240 mm/filemap.c:4013 generic_file_write_iter+0xe3/0x350 mm/filemap.c:4039 __kernel_write_iter+0x261/0x7b0 fs/read_write.c:517 __kernel_write+0xf6/0x140 fs/read_write.c:537 __dump_emit fs/coredump.c:813 [inline] dump_emit+0x21d/0x330 fs/coredump.c:850 writenote+0x215/0x2b0 fs/binfmt_elf.c:1422 write_note_info fs/binfmt_elf.c:1912 [inline] elf_core_dump+0x29be/0x3eb0 fs/binfmt_elf.c:2064 do_coredump+0x2c97/0x3fd0 fs/coredump.c:764 get_signal+0x2438/0x2790 kernel/signal.c:2890 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x121/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296 __do_fast_syscall_32+0x6f/0xe0 arch/x86/entry/common.c:324 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x70/0x7a RIP: 0023:0xf7fc3579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7fbe5ac EFLAGS: 00000292 ORIG_RAX: 000000000000017b RAX: ffffffffffffffe5 RBX: 0000000000000004 RCX: 0000000020000240 RDX: 0000000000000001 RSI: 0000000000001400 RDI: 000000000000d600 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:reiserfs_in_journal+0x239/0x730 fs/reiserfs/journal.c:504 Code: b3 5c ff 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 17 04 00 00 48 3b 5d 08 75 86 e8 dd b3 5c ff e8 d8 b3 5c ff 90 <0f> 0b e8 d0 b3 5c ff e8 cb b3 5c ff 48 8b 9b 30 06 00 00 48 b8 00 RSP: 0018:ffffc90002b5e998 EFLAGS: 00010287 RAX: 000000000002746f RBX: ffff888066714000 RCX: ffffc90004de4000 RDX: 0000000000040000 RSI: ffffffff822ad9d8 RDI: ffffc90002e0b050 RBP: ffffc90002e0b048 R08: 0000000000000006 R09: 0000000000000213 R10: 0000000000000213 R11: 0000000000000003 R12: 0000000000000213 R13: 0000000000000213 R14: dffffc0000000000 R15: ffff8880185a5000 FS: 0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:00000000f7fbeb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000031525000 CR3: 0000000000967000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi