EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none. ------------[ cut here ]------------ kernel BUG at fs/ext4/ext4.h:3329! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 535 Comm: syz-executor.5 Not tainted 6.1.0-rc8-syzkaller-00148-g0d1409e4ff08 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3329 [inline] RIP: 0010:ext4_mb_load_buddy_gfp+0xe9d/0xeb0 fs/ext4/mballoc.c:1448 Code: f9 74 c6 ff e9 47 f4 ff ff e8 ff 2a 80 ff 48 c7 c7 60 c0 6a 86 48 89 de 4c 89 ea e8 1d 39 a5 00 e9 a1 f2 ff ff e8 e3 2a 80 ff <0f> 0b e8 dc 2a 80 ff 0f 0b e8 d5 2a 80 ff 0f 0b 0f 1f 00 55 48 89 RSP: 0018:ffffc9000321f260 EFLAGS: 00010293 RAX: ffffffff81f488cd RBX: 0000000000000001 RCX: ffff888118c14300 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffc9000321f2f0 R08: ffffffff81f47b24 R09: ffffc9000321f380 R10: fffff52000643e77 R11: 1ffff92000643e70 R12: ffff888117279398 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff888117248000 FS: 00007f3ea4e37700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc42a401b8 CR3: 0000000118ea2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_mb_load_buddy fs/ext4/mballoc.c:1570 [inline] ext4_mballoc_query_range+0xb8/0x7a0 fs/ext4/mballoc.c:6579 ext4_getfsmap_datadev+0x1c8a/0x28c0 fs/ext4/fsmap.c:537 ext4_getfsmap+0xd07/0x1040 fs/ext4/fsmap.c:708 ext4_ioc_getfsmap fs/ext4/ioctl.c:901 [inline] __ext4_ioctl fs/ext4/ioctl.c:1222 [inline] ext4_ioctl+0x364b/0x51c0 fs/ext4/ioctl.c:1606 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x115/0x190 fs/ioctl.c:856 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2f/0x50 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3ea408c0d9 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:00007f3ea4e37168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3ea41abf80 RCX: 00007f3ea408c0d9 RDX: 0000000020000200 RSI: 00000000c0c0583b RDI: 0000000000000004 RBP: 00007f3ea40e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe729184bf R14: 00007f3ea4e37300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3329 [inline] RIP: 0010:ext4_mb_load_buddy_gfp+0xe9d/0xeb0 fs/ext4/mballoc.c:1448 Code: f9 74 c6 ff e9 47 f4 ff ff e8 ff 2a 80 ff 48 c7 c7 60 c0 6a 86 48 89 de 4c 89 ea e8 1d 39 a5 00 e9 a1 f2 ff ff e8 e3 2a 80 ff <0f> 0b e8 dc 2a 80 ff 0f 0b e8 d5 2a 80 ff 0f 0b 0f 1f 00 55 48 89 RSP: 0018:ffffc9000321f260 EFLAGS: 00010293 RAX: ffffffff81f488cd RBX: 0000000000000001 RCX: ffff888118c14300 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffffc9000321f2f0 R08: ffffffff81f47b24 R09: ffffc9000321f380 R10: fffff52000643e77 R11: 1ffff92000643e70 R12: ffff888117279398 R13: dffffc0000000000 R14: 0000000000000001 R15: ffff888117248000 FS: 00007f3ea4e37700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f24dc1ad988 CR3: 0000000118ea2000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400