------------[ cut here ]------------ kernel BUG at fs/ocfs2/uptodate.c:509! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 UID: 0 PID: 8497 Comm: syz.1.493 Not tainted 6.12.0-syzkaller-10296-gaaf20f870da0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:ocfs2_set_new_buffer_uptodate+0x145/0x160 fs/ocfs2/uptodate.c:509 Code: 03 42 80 3c 20 00 74 08 48 89 df e8 d5 07 61 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f e9 71 11 3d 08 e8 ac 20 f6 fd 90 <0f> 0b e8 a4 20 f6 fd 90 0f 0b e8 9c 20 f6 fd 90 0f 0b e8 94 20 f6 RSP: 0018:ffffc90003487a30 EFLAGS: 00010287 RAX: ffffffff839fbc74 RBX: 0000000000000001 RCX: 0000000000080000 RDX: ffffc9000dfbb000 RSI: 0000000000000835 RDI: 0000000000000836 RBP: ffffc90003487cf0 R08: ffffffff839fbb5e R09: 1ffffffff203cb26 R10: dffffc0000000000 R11: fffffbfff203cb27 R12: ffff888054ce5df8 R13: dffffc0000000000 R14: ffff888078946000 R15: ffff888054ce0830 FS: 00007f0d445df6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2da1fffc CR3: 000000007df34000 CR4: 0000000000350ef0 Call Trace: ocfs2_group_add+0x3a3/0x15a0 fs/ocfs2/resize.c:507 ocfs2_ioctl+0x65e/0x7d0 fs/ocfs2/ioctl.c:891 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0d43780809 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:00007f0d445df058 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f0d43946080 RCX: 00007f0d43780809 RDX: 00000000200000c0 RSI: 0000000040186f02 RDI: 0000000000000004 RBP: 00007f0d437f393e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0d43946080 R15: 00007ffcf330fd28 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_set_new_buffer_uptodate+0x145/0x160 fs/ocfs2/uptodate.c:509 Code: 03 42 80 3c 20 00 74 08 48 89 df e8 d5 07 61 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f e9 71 11 3d 08 e8 ac 20 f6 fd 90 <0f> 0b e8 a4 20 f6 fd 90 0f 0b e8 9c 20 f6 fd 90 0f 0b e8 94 20 f6 RSP: 0018:ffffc90003487a30 EFLAGS: 00010287 RAX: ffffffff839fbc74 RBX: 0000000000000001 RCX: 0000000000080000 RDX: ffffc9000dfbb000 RSI: 0000000000000835 RDI: 0000000000000836 RBP: ffffc90003487cf0 R08: ffffffff839fbb5e R09: 1ffffffff203cb26 R10: dffffc0000000000 R11: fffffbfff203cb27 R12: ffff888054ce5df8 R13: dffffc0000000000 R14: ffff888078946000 R15: ffff888054ce0830 FS: 00007f0d445df6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c34ed90 CR3: 000000007df34000 CR4: 0000000000350ef0