general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 6367 Comm: f2fs_ckpt-7:8 Tainted: G        W         5.10.232-syzkaller-00746-g49e8ba0a684f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:f2fs_test_and_set_bit fs/f2fs/f2fs.h:2908 [inline]
RIP: 0010:update_sit_entry+0x5df/0x1050 fs/f2fs/segment.c:2339
Code: 4d 90 48 8d 5c c8 18 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 ae 95 88 ff 4c 8b 33 4d 01 fe 4d 89 f4 49 c1 ec 03 <43> 0f b6 04 2c 84 c0 0f 85 21 09 00 00 41 0f b6 1e 41 89 df 8b 45
RSP: 0018:ffffc90000d66b78 EFLAGS: 00010246
RAX: 1ffff11023567767 RBX: ffff88811ab3bb38 RCX: 0000000000000064
RDX: ffff88810a69e2c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000d66c10 R08: ffffffff821fc440 R09: ffffffff821fbf9d
R10: 0000000000000003 R11: ffff88810a69e2c0 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea12824070 CR3: 0000000122d59000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 f2fs_allocate_data_block+0x1512/0x3680 fs/f2fs/segment.c:3481
 do_write_page+0x29d/0x7f0 fs/f2fs/segment.c:3569
 f2fs_outplace_write_data+0x19c/0x3b0 fs/f2fs/segment.c:3635
 f2fs_do_write_data_page+0xd3c/0x1590 fs/f2fs/data.c:2710
 f2fs_write_single_data_page+0x9c7/0x1950 fs/f2fs/data.c:2810
 f2fs_write_cache_pages fs/f2fs/data.c:3084 [inline]
 __f2fs_write_data_pages fs/f2fs/data.c:3234 [inline]
 f2fs_write_data_pages+0x14e0/0x2c90 fs/f2fs/data.c:3261
 do_writepages+0x12e/0x270 mm/page-writeback.c:2380
 __filemap_fdatawrite_range+0x33c/0x3f0 mm/filemap.c:427
 __filemap_fdatawrite mm/filemap.c:435 [inline]
 filemap_fdatawrite+0x26/0x30 mm/filemap.c:440
 f2fs_sync_dirty_inodes+0x25d/0x7e0 fs/f2fs/checkpoint.c:1118
 block_operations fs/f2fs/checkpoint.c:1251 [inline]
 f2fs_write_checkpoint+0x641/0x1f50 fs/f2fs/checkpoint.c:1661
 __write_checkpoint_sync fs/f2fs/checkpoint.c:1778 [inline]
 __checkpoint_and_complete_reqs+0xd6/0x3c0 fs/f2fs/checkpoint.c:1797
 issue_checkpoint_thread+0xd6/0x250 fs/f2fs/checkpoint.c:1828
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Modules linked in:
---[ end trace 6bbd6d41ef91e751 ]---
RIP: 0010:f2fs_test_and_set_bit fs/f2fs/f2fs.h:2908 [inline]
RIP: 0010:update_sit_entry+0x5df/0x1050 fs/f2fs/segment.c:2339
Code: 4d 90 48 8d 5c c8 18 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 ae 95 88 ff 4c 8b 33 4d 01 fe 4d 89 f4 49 c1 ec 03 <43> 0f b6 04 2c 84 c0 0f 85 21 09 00 00 41 0f b6 1e 41 89 df 8b 45
RSP: 0018:ffffc90000d66b78 EFLAGS: 00010246
RAX: 1ffff11023567767 RBX: ffff88811ab3bb38 RCX: 0000000000000064
RDX: ffff88810a69e2c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000d66c10 R08: ffffffff821fc440 R09: ffffffff821fbf9d
R10: 0000000000000003 R11: ffff88810a69e2c0 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f32230b55a0 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	4d 90                	rex.WRB xchg %rax,%r8
   2:	48 8d 5c c8 18       	lea    0x18(%rax,%rcx,8),%rbx
   7:	48 89 d8             	mov    %rbx,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  13:	74 08                	je     0x1d
  15:	48 89 df             	mov    %rbx,%rdi
  18:	e8 ae 95 88 ff       	call   0xff8895cb
  1d:	4c 8b 33             	mov    (%rbx),%r14
  20:	4d 01 fe             	add    %r15,%r14
  23:	4d 89 f4             	mov    %r14,%r12
  26:	49 c1 ec 03          	shr    $0x3,%r12
* 2a:	43 0f b6 04 2c       	movzbl (%r12,%r13,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 21 09 00 00    	jne    0x958
  37:	41 0f b6 1e          	movzbl (%r14),%ebx
  3b:	41 89 df             	mov    %ebx,%r15d
  3e:	8b                   	.byte 0x8b
  3f:	45                   	rex.RB