slab gfs2_inode start ffff8880443f5410 pointer offset 304 size 1584 list_del corruption. prev->next should be ffffc9000d3bf920, but was ffff8880443f5540. (prev=ffff8880443f5540) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:64! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5349 Comm: syz.0.0 Not tainted 6.16.0-rc5-syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62 Code: e8 4b fc 3a fd 43 80 3c 2c 00 74 08 4c 89 ff e8 4c d2 5b fd 49 8b 17 48 c7 c7 20 9a e2 8b 48 89 de 4c 89 f9 e8 a7 c6 5f fc 90 <0f> 0b 4c 89 f7 e8 1c fc 3a fd 43 80 3c 2c 00 74 08 4c 89 ff e8 1d RSP: 0018:ffffc9000d3bf7b0 EFLAGS: 00010046 RAX: 000000000000006d RBX: ffffc9000d3bf920 RCX: e15c4d0033846000 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: ffffc9000d3bf9f0 R08: ffff88801fc24293 R09: 1ffff11003f84852 R10: dffffc0000000000 R11: ffffed1003f84853 R12: 1ffff1100887eaa8 R13: dffffc0000000000 R14: ffff8880443f5540 R15: ffff8880443f5540 FS: 00007fda833fc6c0(0000) GS:ffff88808d21d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000e000 CR3: 0000000044555000 CR4: 0000000000352ef0 Call Trace: __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del include/linux/list.h:229 [inline] rwsem_try_write_lock kernel/locking/rwsem.c:661 [inline] rwsem_down_write_slowpath+0xc98/0x1030 kernel/locking/rwsem.c:1150 __down_write_common kernel/locking/rwsem.c:1304 [inline] __down_write kernel/locking/rwsem.c:1313 [inline] down_write+0x1ab/0x1f0 kernel/locking/rwsem.c:1578 inode_lock include/linux/fs.h:869 [inline] vfs_setxattr+0x144/0x2f0 fs/xattr.c:320 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x274/0x600 fs/xattr.c:665 path_setxattrat+0x364/0x3a0 fs/xattr.c:713 __do_sys_setxattr fs/xattr.c:747 [inline] __se_sys_setxattr fs/xattr.c:743 [inline] __x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fda8258e929 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:00007fda833fc038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007fda827b6080 RCX: 00007fda8258e929 RDX: 0000200000000180 RSI: 0000200000000140 RDI: 0000200000000100 RBP: 00007fda82610b39 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000e00f R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fda827b6080 R15: 00007ffecd3d5808 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x15a/0x190 lib/list_debug.c:62 Code: e8 4b fc 3a fd 43 80 3c 2c 00 74 08 4c 89 ff e8 4c d2 5b fd 49 8b 17 48 c7 c7 20 9a e2 8b 48 89 de 4c 89 f9 e8 a7 c6 5f fc 90 <0f> 0b 4c 89 f7 e8 1c fc 3a fd 43 80 3c 2c 00 74 08 4c 89 ff e8 1d RSP: 0018:ffffc9000d3bf7b0 EFLAGS: 00010046 RAX: 000000000000006d RBX: ffffc9000d3bf920 RCX: e15c4d0033846000 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: ffffc9000d3bf9f0 R08: ffff88801fc24293 R09: 1ffff11003f84852 R10: dffffc0000000000 R11: ffffed1003f84853 R12: 1ffff1100887eaa8 R13: dffffc0000000000 R14: ffff8880443f5540 R15: ffff8880443f5540 FS: 00007fda833fc6c0(0000) GS:ffff88808d21d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000e000 CR3: 0000000044555000 CR4: 0000000000352ef0