R13: 00007f2f0b3e6038 R14: 00007f2f0b3e5fa0 R15: 00007ffc8c8c5e88 VFS_BUG_ON_INODE(inode_state_read_once(inode) & I_CLEAR) encountered for inode ffff888057239200 fs sockfs mode 140777 opflags 0x8 flags 0x0 state 0x300 count 0 ------------[ cut here ]------------ kernel BUG at fs/inode.c:1971! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 12737 Comm: syz.1.1807 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:iput+0xfc9/0x1030 fs/inode.c:1971 Code: 8b 7c 24 18 48 c7 c6 e0 f2 79 8b e8 51 f8 e6 fe 90 0f 0b e8 a9 6f 80 ff 48 8b 7c 24 18 48 c7 c6 80 f2 79 8b e8 38 f8 e6 fe 90 <0f> 0b 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c cd fb ff ff 4c 89 ef RSP: 0018:ffffc9001214fb18 EFLAGS: 00010282 RAX: 000000000000009f RBX: dffffc0000000000 RCX: 6b52b9e0d5b97100 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffffffff1ed7c72 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bbae20 R12: 1ffff1100ae47280 R13: ffff888057239400 R14: 0000000000000200 R15: 1ffffffff1f02c74 FS: 00007f2f093f66c0(0000) GS:ffff888125e4f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2cfbf7 CR3: 0000000076216000 CR4: 00000000003526f0 Call Trace: sctp_getsockopt_peeloff_common+0x6b7/0x8a0 net/sctp/socket.c:5733 sctp_getsockopt_peeloff_flags+0x102/0x140 net/sctp/socket.c:5779 sctp_getsockopt+0x3a5/0xb90 net/sctp/socket.c:8111 do_sock_getsockopt+0x2b4/0x3d0 net/socket.c:2389 __sys_getsockopt net/socket.c:2418 [inline] __do_sys_getsockopt net/socket.c:2425 [inline] __se_sys_getsockopt net/socket.c:2422 [inline] __x64_sys_getsockopt+0x1a5/0x250 net/socket.c:2422 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2f0b18f749 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:00007f2f093f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007f2f0b3e5fa0 RCX: 00007f2f0b18f749 RDX: 000000000000007a RSI: 0000000000000084 RDI: 0000000000000003 RBP: 00007f2f093f6090 R08: 0000200000000040 R09: 0000000000000000 R10: 0000200000000340 R11: 0000000000000246 R12: 0000000000000002 R13: 00007f2f0b3e6038 R14: 00007f2f0b3e5fa0 R15: 00007ffc8c8c5e88 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:iput+0xfc9/0x1030 fs/inode.c:1971 Code: 8b 7c 24 18 48 c7 c6 e0 f2 79 8b e8 51 f8 e6 fe 90 0f 0b e8 a9 6f 80 ff 48 8b 7c 24 18 48 c7 c6 80 f2 79 8b e8 38 f8 e6 fe 90 <0f> 0b 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c cd fb ff ff 4c 89 ef RSP: 0018:ffffc9001214fb18 EFLAGS: 00010282 RAX: 000000000000009f RBX: dffffc0000000000 RCX: 6b52b9e0d5b97100 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffffffff1ed7c72 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bbae20 R12: 1ffff1100ae47280 R13: ffff888057239400 R14: 0000000000000200 R15: 1ffffffff1f02c74 FS: 00007f2f093f66c0(0000) GS:ffff888125f4f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9aa2db42f8 CR3: 0000000076216000 CR4: 00000000003526f0