EXT4-fs error (device loop0): ext4_get_journal_inode:5259: inode #3: comm syz-executor350: casefold flag without casefold feature general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 0 PID: 371 Comm: syz-executor350 Not tainted 5.10.149-syzkaller-01350-g0118fb827bc7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:__fscrypt_inode_uses_inline_crypto fs/crypto/inline_crypt.c:233 [inline] RIP: 0010:fscrypt_inode_uses_inline_crypto include/linux/fscrypt.h:700 [inline] RIP: 0010:fscrypt_limit_io_blocks+0xce/0x2b0 fs/crypto/inline_crypt.c:460 Code: 5d 00 81 e3 00 f0 00 00 bf 00 80 00 00 89 de e8 98 28 a7 ff 81 fb 00 80 00 00 75 7b 4c 89 f9 49 8d 5e 11 48 89 d8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 58 01 00 00 0f b6 1b 31 ff 89 de e8 ba 27 RSP: 0018:ffffc900009ef2e0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 0000000000000011 RCX: dffffc0000000000 RDX: ffff8881065b62c0 RSI: 0000000000008000 RDI: 0000000000008000 RBP: ffffc900009ef310 R08: ffffffff81c5c5a8 R09: ffffed1021ce5b37 R10: ffffed1021ce5b37 R11: 1ffff11021ce5b36 R12: 0000000000000001 R13: ffff88810e72da30 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000555555591300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005d84c8 CR3: 00000001063f1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_iomap_begin+0x933/0xc00 fs/ext4/inode.c:3564 iomap_apply+0xf9/0x7f0 fs/iomap/apply.c:46 iomap_bmap+0x168/0x1f0 fs/iomap/fiemap.c:134 ext4_bmap+0x3a7/0x420 fs/ext4/inode.c:3303 bmap+0xa5/0xe0 fs/inode.c:1706 jbd2_journal_init_inode+0x9d/0x390 fs/jbd2/journal.c:1437 ext4_get_journal fs/ext4/super.c:5294 [inline] ext4_load_journal+0x30b/0x1440 fs/ext4/super.c:5428 ext4_fill_super+0x60b3/0x9150 fs/ext4/super.c:4804 mount_bdev+0x25f/0x370 fs/super.c:1419 ext4_mount+0x34/0x40 fs/ext4/super.c:6611 legacy_get_tree+0xf0/0x190 fs/fs_context.c:592 vfs_get_tree+0x88/0x290 fs/super.c:1549 do_new_mount+0x289/0xad0 fs/namespace.c:2899 path_mount+0x58d/0xce0 fs/namespace.c:3229 do_mount fs/namespace.c:3242 [inline] __do_sys_mount fs/namespace.c:3450 [inline] __se_sys_mount+0x2d2/0x3c0 fs/namespace.c:3427 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3427 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f190e2cd02a Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff9e8d1d58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f190e2cd02a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fff9e8d1d70 RBP: 00007fff9e8d1d70 R08: 00007fff9e8d1db0 R09: 00005555555912c0 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 R13: 00007fff9e8d1db0 R14: 0000000000000026 R15: 0000000020000590 Modules linked in: ---[ end trace 0aacf3972cc60e50 ]--- RIP: 0010:__fscrypt_inode_uses_inline_crypto fs/crypto/inline_crypt.c:233 [inline] RIP: 0010:fscrypt_inode_uses_inline_crypto include/linux/fscrypt.h:700 [inline] RIP: 0010:fscrypt_limit_io_blocks+0xce/0x2b0 fs/crypto/inline_crypt.c:460 Code: 5d 00 81 e3 00 f0 00 00 bf 00 80 00 00 89 de e8 98 28 a7 ff 81 fb 00 80 00 00 75 7b 4c 89 f9 49 8d 5e 11 48 89 d8 48 c1 e8 03 <42> 8a 04 38 84 c0 0f 85 58 01 00 00 0f b6 1b 31 ff 89 de e8 ba 27 RSP: 0018:ffffc900009ef2e0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 0000000000000011 RCX: dffffc0000000000 RDX: ffff8881065b62c0 RSI: 0000000000008000 RDI: 0000000000008000 RBP: ffffc900009ef310 R08: ffffffff81c5c5a8 R09: ffffed1021ce5b37 R10: ffffed1021ce5b37 R11: 1ffff11021ce5b36 R12: 0000000000000001 R13: ffff88810e72da30 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000555555591300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005d84c8 CR3: 00000001063f1000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 5d pop %rbp 1: 00 81 e3 00 f0 00 add %al,0xf000e3(%rcx) 7: 00 bf 00 80 00 00 add %bh,0x8000(%rdi) d: 89 de mov %ebx,%esi f: e8 98 28 a7 ff callq 0xffa728ac 14: 81 fb 00 80 00 00 cmp $0x8000,%ebx 1a: 75 7b jne 0x97 1c: 4c 89 f9 mov %r15,%rcx 1f: 49 8d 5e 11 lea 0x11(%r14),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 8a 04 38 mov (%rax,%r15,1),%al <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 58 01 00 00 jne 0x18e 36: 0f b6 1b movzbl (%rbx),%ebx 39: 31 ff xor %edi,%edi 3b: 89 de mov %ebx,%esi 3d: e8 .byte 0xe8 3e: ba .byte 0xba 3f: 27 (bad)