------------[ cut here ]------------ kernel BUG at fs/ext4/ext4.h:3355! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 28262 Comm: syz-executor.4 Not tainted 5.15.108-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3355 Code: 62 ff 8b 74 24 04 48 c7 c7 e0 54 a8 8c 4c 89 f2 e8 6c 09 0a 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 57 39 62 ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00 RSP: 0018:ffffc900103bec40 EFLAGS: 00010283 RAX: ffffffff821d81d9 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90005f7a000 RSI: 000000000002b62b RDI: 000000000002b62c RBP: 0000000000000001 R08: ffffffff821d7ea9 R09: ffffed100734a785 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110101d44cf R13: dffffc0000000000 R14: ffff888031fda000 R15: ffff888080ea2678 FS: 00007fdb510aa700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f74c02ac000 CR3: 000000007debb000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_mb_find_by_goal+0x118/0xc90 fs/ext4/mballoc.c:2206 ext4_mb_regular_allocator+0x247/0x3930 fs/ext4/mballoc.c:2658 ext4_mb_new_blocks+0x1065/0x4d50 fs/ext4/mballoc.c:5623 ext4_ext_map_blocks+0x1986/0x7220 fs/ext4/extents.c:4287 ext4_map_blocks+0xaad/0x1e30 fs/ext4/inode.c:645 ext4_alloc_file_blocks+0x3db/0xce0 fs/ext4/extents.c:4474 ext4_zero_range+0x4e0/0xd90 fs/ext4/extents.c:4591 ext4_fallocate+0x61e/0x2140 fs/ext4/extents.c:4728 vfs_fallocate+0x54a/0x6b0 fs/open.c:308 do_vfs_ioctl+0x2317/0x2b70 fs/ioctl.c:853 __do_sys_ioctl fs/ioctl.c:872 [inline] __se_sys_ioctl+0x81/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fdb5af19169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdb510aa168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fdb5b039050 RCX: 00007fdb5af19169 RDX: 0000000020000000 RSI: 0000000040305839 RDI: 0000000000000005 RBP: 00007fdb5af74ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd33129ecf R14: 00007fdb510aa300 R15: 0000000000022000 Modules linked in: ---[ end trace 5b751780ac1fcee2 ]--- RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3355 Code: 62 ff 8b 74 24 04 48 c7 c7 e0 54 a8 8c 4c 89 f2 e8 6c 09 0a 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 57 39 62 ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00 RSP: 0018:ffffc900103bec40 EFLAGS: 00010283 RAX: ffffffff821d81d9 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90005f7a000 RSI: 000000000002b62b RDI: 000000000002b62c RBP: 0000000000000001 R08: ffffffff821d7ea9 R09: ffffed100734a785 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110101d44cf R13: dffffc0000000000 R14: ffff888031fda000 R15: ffff888080ea2678 FS: 00007fdb510aa700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555561bd708 CR3: 000000007debb000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400