EXT4-fs error (device loop4): ext4_free_branches:1026: inode #13: comm syz.4.31: invalid indirect mapped block 10 (level 1)
Kernel panic - not syncing: EXT4-fs (device loop4): panic forced after error
CPU: 0 PID: 568 Comm: syz.4.31 Not tainted 5.10.239-syzkaller-1007860-g6de38b5f6c2b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118
 dump_stack+0x15/0x1c lib/dump_stack.c:135
 panic+0x2d8/0x800 kernel/panic.c:308
 ext4_handle_error+0x34e/0x350 fs/ext4/super.c:673
 __ext4_error_inode+0x281/0x540 fs/ext4/super.c:735
 ext4_free_branches+0x630/0x680 fs/ext4/indirect.c:1023
 ext4_ind_truncate+0x66a/0xc60 fs/ext4/indirect.c:1176
 ext4_truncate+0xa6f/0x11e0 fs/ext4/inode.c:4369
 ext4_orphan_cleanup+0x8a6/0xd30 fs/ext4/super.c:3100
 ext4_fill_super+0x845b/0x8b60 fs/ext4/super.c:5075
 mount_bdev+0x28b/0x3a0 fs/super.c:1442
 ext4_mount+0x34/0x40 fs/ext4/super.c:6662
 legacy_get_tree+0xed/0x190 fs/fs_context.c:593
 vfs_get_tree+0x89/0x260 fs/super.c:1572
 do_new_mount+0x25a/0xa20 fs/namespace.c:2919
 path_mount+0x572/0xc80 fs/namespace.c:3249
 do_mount fs/namespace.c:3262 [inline]
 __do_sys_mount fs/namespace.c:3470 [inline]
 __se_sys_mount+0x318/0x380 fs/namespace.c:3447
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3447
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f2e34d6a169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f2e347db038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f2e34f91fa0 RCX: 00007f2e34d6a169
RDX: 00002000000001c0 RSI: 0000200000000240 RDI: 0000200000000000
RBP: 00007f2e34deca68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2e34f91fa0 R15: 00007fff68cd6e18
Kernel Offset: disabled
Rebooting in 86400 seconds..