loop0: detected capacity change from 0 to 32768
bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=ro,errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,background_compression=zstd,nojournal_transaction_names,read_only,no_data_io
bcachefs (loop0): recovering from clean shutdown, journal seq 13
bcachefs (loop0): Version upgrade required:
Version upgrade from 0.32: (unknown version) to 1.7: mi_btree_bitmap incomplete
Doing incompatible version upgrade from 0.32: (unknown version) to 1.13: inode_has_child_snapshots
  running recovery passes: check_allocations,check_snapshots,check_subvols,check_inodes,check_dirents,set_fs_needs_rebalance
bcachefs (loop0): error validating btree node on loop0 at btree extents level 0/0
  u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4e0410879b0c2f04 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0  
  node offset 0/16 bset u64s 0: unknown checksum type 4, fixing
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]
CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:crypto_skcipher_alg include/crypto/skcipher.h:375 [inline]
RIP: 0010:crypto_skcipher_encrypt+0x45/0x130 crypto/skcipher.c:637
Code: 19 fd 49 8d 5e 40 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 59 9b 7f fd 48 8b 1b 48 8d 7b 18 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 3f 9b 7f fd 4c 8b 7b 18 48 83 c3 04 48 89
RSP: 0018:ffffc9000d465dd8 EFLAGS: 00010202
RAX: 0000000000000004 RBX: 0000000000000008 RCX: 0000000000100000
RDX: ffffc9000e4ca000 RSI: 0000000000031d6d RDI: 0000000000000020
RBP: ffffc9000d4666d0 R08: ffffc9000d465f1f R09: 0000000000000000
R10: ffffc9000d465f10 R11: fffff52001a8cbe4 R12: dffffc0000000000
R13: 0000000000000008 R14: ffffc9000d465ee0 R15: dffffc0000000000
FS:  00007f97e459a6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005640fb8cf578 CR3: 000000003a540000 CR4: 0000000000352ef0
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+0xb9f/0xd70 fs/bcachefs/checksum.c:158
 gen_poly_key fs/bcachefs/checksum.c:200 [inline]
 bch2_checksum+0x1fc/0x770 fs/bcachefs/checksum.c:236
 bch2_btree_node_read_done+0x1995/0x5e90 fs/bcachefs/btree_io.c:1056
 btree_node_read_work+0x68b/0x1260 fs/bcachefs/btree_io.c:1323
 bch2_btree_node_read+0x2433/0x29f0
 __bch2_btree_root_read fs/bcachefs/btree_io.c:1749 [inline]
 bch2_btree_root_read+0x617/0x7a0 fs/bcachefs/btree_io.c:1771
 read_btree_roots+0x296/0x840 fs/bcachefs/recovery.c:523
 bch2_fs_recovery+0x2585/0x39d0 fs/bcachefs/recovery.c:853
 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1037
 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2170
 vfs_get_tree+0x90/0x2b0 fs/super.c:1814
 do_new_mount+0x2be/0xb40 fs/namespace.c:3511
 do_mount fs/namespace.c:3851 [inline]
 __do_sys_mount fs/namespace.c:4061 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4038
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97e37874ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f97e4599e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f97e4599ef0 RCX: 00007f97e37874ca
RDX: 000000002000f640 RSI: 0000000020000140 RDI: 00007f97e4599eb0
RBP: 000000002000f640 R08: 00007f97e4599ef0 R09: 0000000000008011
R10: 0000000000008011 R11: 0000000000000246 R12: 0000000020000140
R13: 00007f97e4599eb0 R14: 000000000000f627 R15: 0000000020000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:crypto_skcipher_alg include/crypto/skcipher.h:375 [inline]
RIP: 0010:crypto_skcipher_encrypt+0x45/0x130 crypto/skcipher.c:637
Code: 19 fd 49 8d 5e 40 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 59 9b 7f fd 48 8b 1b 48 8d 7b 18 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 05 e8 3f 9b 7f fd 4c 8b 7b 18 48 83 c3 04 48 89
RSP: 0018:ffffc9000d465dd8 EFLAGS: 00010202
RAX: 0000000000000004 RBX: 0000000000000008 RCX: 0000000000100000
RDX: ffffc9000e4ca000 RSI: 0000000000031d6d RDI: 0000000000000020
RBP: ffffc9000d4666d0 R08: ffffc9000d465f1f R09: 0000000000000000
R10: ffffc9000d465f10 R11: fffff52001a8cbe4 R12: dffffc0000000000
R13: 0000000000000008 R14: ffffc9000d465ee0 R15: dffffc0000000000
FS:  00007f97e459a6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559ad8dbd018 CR3: 000000003a540000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	19 fd                	sbb    %edi,%ebp
   2:	49 8d 5e 40          	lea    0x40(%r14),%rbx
   6:	48 89 d8             	mov    %rbx,%rax
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  12:	74 08                	je     0x1c
  14:	48 89 df             	mov    %rbx,%rdi
  17:	e8 59 9b 7f fd       	call   0xfd7f9b75
  1c:	48 8b 1b             	mov    (%rbx),%rbx
  1f:	48 8d 7b 18          	lea    0x18(%rbx),%rdi
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1) <-- trapping instruction
  2f:	74 05                	je     0x36
  31:	e8 3f 9b 7f fd       	call   0xfd7f9b75
  36:	4c 8b 7b 18          	mov    0x18(%rbx),%r15
  3a:	48 83 c3 04          	add    $0x4,%rbx
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89