loop4: detected capacity change from 0 to 32768
bcachefs (loop4): mounting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,nojournal_transaction_names
bcachefs (loop4): recovering from clean shutdown, journal seq 10
Unable to handle kernel paging request at virtual address dfff800000000004
KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000004] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 7991 Comm: syz-executor.4 Tainted: G        W          6.10.0-rc2-syzkaller-g8867bbd4a056 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : crypto_skcipher_alg include/crypto/skcipher.h:375 [inline]
pc : crypto_skcipher_encrypt+0x48/0x124 crypto/skcipher.c:637
lr : crypto_skcipher_encrypt+0x24/0x124 crypto/skcipher.c:635
sp : ffff800099b659d0
x29: ffff800099b659d0 x28: 0000000000000000 x27: dfff800000000000
x26: ffff800099b65fe0 x25: ffff800099b65a80 x24: ffff800099b65a60
x23: ffff0000d3f5ba40 x22: 0000000000000020 x21: dfff800000000000
x20: 0000000000000008 x19: ffff800099b65a80 x18: ffff0000dd34a3b0
x17: 2065657274622074 x16: ffff80008ae4f3c0 x15: 0000000000000002
x14: 1ffff0001336cb56 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000040000 x10: 000000000003ffff x9 : ffff8000a1289000
x8 : 0000000000000004 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000020
Call trace:
 crypto_skcipher_alg include/crypto/skcipher.h:375 [inline]
 crypto_skcipher_encrypt+0x48/0x124 crypto/skcipher.c:637
 do_encrypt_sg fs/bcachefs/checksum.c:108 [inline]
 do_encrypt+0x558/0x6a0 fs/bcachefs/checksum.c:150
 gen_poly_key fs/bcachefs/checksum.c:191 [inline]
 bch2_checksum+0x1c0/0x784 fs/bcachefs/checksum.c:227
 bch2_btree_node_read_done+0x119c/0x4ac8 fs/bcachefs/btree_io.c:1074
 btree_node_read_work+0x50c/0xe04 fs/bcachefs/btree_io.c:1345
 bch2_btree_node_read+0x1f4c/0x2818 fs/bcachefs/btree_io.c:1730
 __bch2_btree_root_read fs/bcachefs/btree_io.c:1769 [inline]
 bch2_btree_root_read+0x2a8/0x534 fs/bcachefs/btree_io.c:1793
 read_btree_roots+0x21c/0x730 fs/bcachefs/recovery.c:475