------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 12065 at fs/buffer.c:1144 __brelse fs/buffer.c:1144 [inline]
WARNING: CPU: 1 PID: 12065 at fs/buffer.c:1144 __brelse+0x67/0xa0 fs/buffer.c:1138
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 12065 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:__brelse fs/buffer.c:1144 [inline]
RIP: 0010:__brelse+0x67/0xa0 fs/buffer.c:1138
Code: 7c 04 84 d2 75 4e 44 8b 63 60 31 ff 44 89 e6 e8 bf 16 b2 ff 45 85 e4 75 1c e8 45 15 b2 ff 48 c7 c7 e0 1c 75 88 e8 1e 4d 42 06 <0f> 0b 5b 5d 41 5c e9 2e 15 b2 ff e8 29 15 b2 ff be 04 00 00 00 48
RSP: 0018:ffff888040f374e0 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888036abd498 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed10081e6e8e
RBP: ffff888036abd4f8 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880ba128860 R14: ffff88808cf72930 R15: ffff8880ba1287e0
 brelse include/linux/buffer_head.h:297 [inline]
 bh_lru_install fs/buffer.c:1247 [inline]
 __find_get_block+0xa28/0xde0 fs/buffer.c:1297
 __getblk_slow+0x14a/0x9e0 fs/buffer.c:1040
 __getblk_gfp+0x6b/0x70 fs/buffer.c:1321
 __getblk include/linux/buffer_head.h:388 [inline]
 reiserfs_breada+0x160/0x3c0 fs/reiserfs/journal.c:2348
 journal_read fs/reiserfs/journal.c:2458 [inline]
 journal_init+0x231f/0x60d0 fs/reiserfs/journal.c:2907
 reiserfs_fill_super+0xac5/0x2d80 fs/reiserfs/super.c:2035
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x310 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2492 [inline]
 do_mount+0x115c/0x2f50 fs/namespace.c:2822
 ksys_mount+0xcf/0x130 fs/namespace.c:3038
 __do_sys_mount fs/namespace.c:3052 [inline]
 __se_sys_mount fs/namespace.c:3049 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3049
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f996f8225da
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 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
RSP: 002b:00007f996dd92f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000001101 RCX: 00007f996f8225da
RDX: 0000000020001100 RSI: 00000000200001c0 RDI: 00007f996dd92fe0
RBP: 00007f996dd93020 R08: 00007f996dd93020 R09: 0000000000208088
R10: 0000000000208088 R11: 0000000000000202 R12: 0000000020001100
R13: 00000000200001c0 R14: 00007f996dd92fe0 R15: 0000000020000240
Kernel Offset: disabled
Rebooting in 86400 seconds..