------------[ cut here ]------------ kernel BUG at fs/attr.c:289! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8330 Comm: syz-executor.0 Not tainted 5.4.180-syzkaller-00002-gb730087e9a5d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:notify_change+0xda2/0xdb0 fs/attr.c:289 Code: f5 ff e9 a3 fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e3 f7 ff ff 4c 89 e7 e8 18 35 f5 ff e9 d6 f7 ff ff e8 fe d4 c8 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 RSP: 0018:ffff8881f33c7c68 EFLAGS: 00010287 RAX: ffffffff819769e2 RBX: 0000000000005847 RCX: 0000000000040000 RDX: ffffc90000747000 RSI: 000000000000047d RDI: 000000000000047e RBP: 0000000000000001 R08: ffffffff819761e5 R09: ffffed1036b59524 R10: ffffed1036b59524 R11: 1ffff11036b59523 R12: ffff8881f33c7e00 R13: ffff8881b59bf110 R14: ffff8881b5aca9c0 R15: dffffc0000000000 FS: 00007fd965822700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ee23000 CR3: 00000001dee6c000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: incfs_setattr+0x1fa/0x360 fs/incfs/vfs.c:1611 notify_change+0xb19/0xdb0 fs/attr.c:336 chown_common+0x311/0x560 fs/open.c:652 do_fchownat+0x124/0x1e0 fs/open.c:682 __do_sys_lchown fs/open.c:707 [inline] __se_sys_lchown fs/open.c:705 [inline] __x64_sys_lchown+0x81/0x90 fs/open.c:705 do_syscall_64+0xcb/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fd9666ac0e9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd965822168 EFLAGS: 00000246 ORIG_RAX: 000000000000005e RAX: ffffffffffffffda RBX: 00007fd9667bef60 RCX: 00007fd9666ac0e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007fd96670608d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd50a5211f R14: 00007fd965822300 R15: 0000000000022000 Modules linked in: ---[ end trace 2b0cec0d46a7c546 ]--- RIP: 0010:notify_change+0xda2/0xdb0 fs/attr.c:289 Code: f5 ff e9 a3 fb ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e3 f7 ff ff 4c 89 e7 e8 18 35 f5 ff e9 d6 f7 ff ff e8 fe d4 c8 ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 55 41 57 41 56 41 55 41 RSP: 0018:ffff8881f33c7c68 EFLAGS: 00010287 RAX: ffffffff819769e2 RBX: 0000000000005847 RCX: 0000000000040000 RDX: ffffc90000747000 RSI: 000000000000047d RDI: 000000000000047e RBP: 0000000000000001 R08: ffffffff819761e5 R09: ffffed1036b59524 R10: ffffed1036b59524 R11: 1ffff11036b59523 R12: ffff8881f33c7e00 R13: ffff8881b59bf110 R14: ffff8881b5aca9c0 R15: dffffc0000000000 FS: 00007fd965822700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd4fdd4bdc0 CR3: 00000001dee6c000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400