bcachefs (loop2): recovering from clean shutdown, journal seq 10
bcachefs (loop2): Doing compatible version upgrade from 1.7: mi_btree_bitmap to 1.9: disk_accounting_v2
  running recovery passes: check_allocations
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]
CPU: 0 UID: 0 PID: 9614 Comm: syz-executor.2 Not tainted 6.10.0-rc4-next-20240621-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:crypto_skcipher_alg include/crypto/skcipher.h:375 [inline]
RIP: 0010:crypto_skcipher_encrypt+0x45/0x130 crypto/skcipher.c:637
Code: 1f fd 49 8d 5e 40 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 59 92 85 fd 48 8b 1b 48 8d 7b 18 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 3f 92 85 fd 4c 8b 7b 18 48 83 c3 04 48 89
RSP: 0018:ffffc90004a8e178 EFLAGS: 00010202
RAX: 0000000000000004 RBX: 0000000000000008 RCX: 0000000000040000
RDX: ffffc9000a2da000 RSI: 000000000003ffff RDI: 0000000000000020
RBP: ffffc90004a8e710 R08: ffffc90004a8e27f R09: 0000000000000000
R10: ffffc90004a8e270 R11: fffff52000951c50 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffc90004a8e240 R15: 1ffff92000951c40
FS:  00007ff5f87fe6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b44315d58 CR3: 00000000235d4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_encrypt_sg fs/bcachefs/checksum.c:108 [inline]
 do_encrypt+0x66b/0x7d0 fs/bcachefs/checksum.c:150
 gen_poly_key fs/bcachefs/checksum.c:191 [inline]
 bch2_checksum+0x1fc/0x770 fs/bcachefs/checksum.c:227
 bch2_btree_node_read_done+0x1a73/0x6780 fs/bcachefs/btree_io.c:1077
 btree_node_read_work+0x68b/0x1260 fs/bcachefs/btree_io.c:1348
 bch2_btree_node_read+0x2433/0x2a10
 __bch2_btree_root_read fs/bcachefs/btree_io.c:1772 [inline]
 bch2_btree_root_read+0x61e/0x970 fs/bcachefs/btree_io.c:1796
 read_btree_roots+0x283/0x830 fs/bcachefs/recovery.c:516
 bch2_fs_recovery+0x259b/0x38d0 fs/bcachefs/recovery.c:844
 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1034
 bch2_fs_get_tree+0xd42/0x16c0 fs/bcachefs/fs.c:1934
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	fd                   	std
   1:	49 8d 5e 40          	lea    0x40(%r14),%rbx
   5:	48 89 d8             	mov    %rbx,%rax
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  11:	74 08                	je     0x1b
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 59 92 85 fd       	call   0xfd859274
  1b:	48 8b 1b             	mov    (%rbx),%rbx
  1e:	48 8d 7b 18          	lea    0x18(%rbx),%rdi
  22:	48 89 f8             	mov    %rdi,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2e:	74 05                	je     0x35
  30:	e8 3f 92 85 fd       	call   0xfd859274
  35:	4c 8b 7b 18          	mov    0x18(%rbx),%r15
  39:	48 83 c3 04          	add    $0x4,%rbx
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89