------------[ cut here ]------------
kernel BUG at fs/attr.c:289!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 299 Comm: syz-executor427 Not tainted 5.4.147-syzkaller-00015-g5b673be0c6b0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:notify_change+0xeff/0xf10 fs/attr.c:289 fs/attr.c:289
Code: 34 f5 ff e9 71 f6 ff ff 44 89 f9 80 e1 07 fe c1 38 c1 0f 8c 2b fd ff ff 4c 89 ff e8 bb 34 f5 ff e9 1e fd ff ff e8 61 18 c8 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 be 01 00 00 00
RSP: 0018:ffff8881de8b7c38 EFLAGS: 00010293
RAX: ffffffff8198b85f RBX: 0000000000000001 RCX: ffff8881deedaf40
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 000000000e4e1b0d R08: ffffffff8198aeda R09: ffff8881de8b7be8
R10: ffffed103bd16f7f R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8881e6650000 R14: ffff8881de8b7e08 R15: 0000000000001847
FS:  000055555652d300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000100 CR3: 00000001de8bc000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 incfs_setattr+0x1dc/0x350 fs/incfs/vfs.c:1608 fs/incfs/vfs.c:1608
 notify_change+0xb18/0xf10 fs/attr.c:336 fs/attr.c:336
 chown_common+0x311/0x560 fs/open.c:652 fs/open.c:652
 do_fchownat+0x114/0x1d0 fs/open.c:682 fs/open.c:682
 __do_sys_lchown fs/open.c:707 [inline]
 __se_sys_lchown fs/open.c:705 [inline]
 __do_sys_lchown fs/open.c:707 [inline] fs/open.c:705
 __se_sys_lchown fs/open.c:705 [inline] fs/open.c:705
 __x64_sys_lchown+0x81/0x90 fs/open.c:705 fs/open.c:705
 do_syscall_64+0xcb/0x1e0 arch/x86/entry/common.c:290 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7efe41d47079
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff3a296d58 EFLAGS: 00000246 ORIG_RAX: 000000000000005e
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007efe41d47079
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 2f30656c69662f2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007efe41d0b0f0
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 48dfd5d598b1aa55 ]---
RIP: 0010:notify_change+0xeff/0xf10 fs/attr.c:289 fs/attr.c:289
Code: 34 f5 ff e9 71 f6 ff ff 44 89 f9 80 e1 07 fe c1 38 c1 0f 8c 2b fd ff ff 4c 89 ff e8 bb 34 f5 ff e9 1e fd ff ff e8 61 18 c8 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 be 01 00 00 00
RSP: 0018:ffff8881de8b7c38 EFLAGS: 00010293
RAX: ffffffff8198b85f RBX: 0000000000000001 RCX: ffff8881deedaf40
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 000000000e4e1b0d R08: ffffffff8198aeda R09: ffff8881de8b7be8
R10: ffffed103bd16f7f R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8881e6650000 R14: ffff8881de8b7e08 R15: 0000000000001847
FS:  000055555652d300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000100 CR3: 00000001de8bc000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400