------------[ cut here ]------------ kernel BUG at fs/attr.c:289! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 25417 Comm: syz-executor.2 Not tainted 5.4.197-syzkaller-00012-g27e532874a0e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 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 38 35 f5 ff e9 d6 f7 ff ff e8 fe cb 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:ffff8881b33cfc68 EFLAGS: 00010293 RAX: ffffffff819786f2 RBX: 0000000000001845 RCX: ffff8881e8e3cec0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff81977ef5 R09: ffff8881b33cfc18 R10: ffffed1036679f85 R11: 1ffff11036679f83 R12: ffff8881b33cfe00 R13: ffff8881b2cba220 R14: ffff88818fc68b30 R15: dffffc0000000000 FS: 00007fb78a8dd700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb78a859718 CR3: 00000001e4072000 CR4: 00000000003406e0 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_chown fs/open.c:702 [inline] __se_sys_chown fs/open.c:700 [inline] __x64_sys_chown+0x7e/0x90 fs/open.c:700 do_syscall_64+0xcb/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fb78b788279 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:00007fb78a8dd168 EFLAGS: 00000246 ORIG_RAX: 000000000000005c RAX: ffffffffffffffda RBX: 00007fb78b89b050 RCX: 00007fb78b788279 RDX: 000000000000ee01 RSI: ffffffffffffffff RDI: 0000000020000000 RBP: 00007fb78b7e2189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffde1f90fef R14: 00007fb78a8dd300 R15: 0000000000022000 Modules linked in: ---[ end trace 2afee4581e1e7714 ]--- 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 38 35 f5 ff e9 d6 f7 ff ff e8 fe cb 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:ffff8881b33cfc68 EFLAGS: 00010293 RAX: ffffffff819786f2 RBX: 0000000000001845 RCX: ffff8881e8e3cec0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff81977ef5 R09: ffff8881b33cfc18 R10: ffffed1036679f85 R11: 1ffff11036679f83 R12: ffff8881b33cfe00 R13: ffff8881b2cba220 R14: ffff88818fc68b30 R15: dffffc0000000000 FS: 00007fb78a8dd700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555decb78 CR3: 00000001e4072000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400