kernel BUG at fs/attr.c:377! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 412 Comm: syz-executor879 Not tainted 5.15.73-syzkaller-04348-g44b8b2ac1d96 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:notify_change+0x103e/0x1040 fs/attr.c:377 Code: f0 ff e9 61 fa ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 79 f5 ff ff 4c 89 e7 e8 2c 12 f0 ff e9 6c f5 ff ff e8 92 c5 ad ff <0f> 0b 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 41 89 f4 49 89 fd RSP: 0018:ffffc900002cfaf0 EFLAGS: 00010293 RAX: ffffffff81c3cbfe RBX: 0000000000001847 RCX: ffff8881071813c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900002cfb78 R08: ffffffff81c3c198 R09: ffffc900002cfa60 R10: fffff52000059f4e R11: 1ffff92000059f4c R12: ffffc900002cfd40 R13: ffff88811e069cc0 R14: dffffc0000000000 R15: 0000000000000001 FS: 0000555555d6b300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000100 CR3: 000000011f755000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: incfs_setattr+0x238/0x3c0 fs/incfs/vfs.c:1628 notify_change+0xd8f/0x1040 fs/attr.c:426 chown_common+0x526/0x7e0 fs/open.c:681 do_fchownat+0x175/0x250 fs/open.c:712 __do_sys_chown fs/open.c:732 [inline] __se_sys_chown fs/open.c:730 [inline] __x64_sys_chown+0x82/0x90 fs/open.c:730 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f0aecbc2ba9 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:00007ffd8da001a8 EFLAGS: 00000246 ORIG_RAX: 000000000000005c RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f0aecbc2ba9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000300 RBP: 2f30656c69662f2e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0aecb86de0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 81a5101ef8a25cb2 ]--- RIP: 0010:notify_change+0x103e/0x1040 fs/attr.c:377 Code: f0 ff e9 61 fa ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 79 f5 ff ff 4c 89 e7 e8 2c 12 f0 ff e9 6c f5 ff ff e8 92 c5 ad ff <0f> 0b 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 41 89 f4 49 89 fd RSP: 0018:ffffc900002cfaf0 EFLAGS: 00010293 RAX: ffffffff81c3cbfe RBX: 0000000000001847 RCX: ffff8881071813c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900002cfb78 R08: ffffffff81c3c198 R09: ffffc900002cfa60 R10: fffff52000059f4e R11: 1ffff92000059f4c R12: ffffc900002cfd40 R13: ffff88811e069cc0 R14: dffffc0000000000 R15: 0000000000000001 FS: 0000555555d6b300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000100 CR3: 000000011f755000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400