dentry_kill+0xbb/0x290 dput+0x1f1/0x420 fs/dcache.c:888 __fput+0x5ec/0x890 fs/file_table.c:288 task_work_run+0x129/0x1a0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 ------------[ cut here ]------------ kernel BUG at mm/slub.c:3532! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6054 Comm: syz-executor.2 Not tainted 5.15.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:free_nonslab_page+0x14d/0x150 mm/slub.c:3532 Code: e9 41 ff ff ff 48 89 df 48 c7 c6 20 31 13 8c e8 79 1c ed ff 0f 0b e8 32 80 4e 08 48 89 df 48 c7 c6 41 b6 14 8c e8 63 1c ed ff <0f> 0b 90 53 48 89 fb e8 67 50 83 ff 48 89 df e8 df eb ff ff e8 1a RSP: 0018:ffffc90003c9f768 EFLAGS: 00010246 RAX: a5966444dddb9700 RBX: ffffea000194e600 RCX: 0000000000040000 RDX: ffffc9000c826000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffea000194e600 R08: ffffffff81cfc4b4 R09: ffffed1017364f24 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffea000194e600 FS: 00007fbe45454700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6808870058 CR3: 000000006b50f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kfree+0x1cf/0x270 mm/slub.c:4556 ext4_xattr_move_to_block fs/ext4/xattr.c:2628 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2691 [inline] ext4_expand_extra_isize_ea+0x1063/0x1bc0 fs/ext4/xattr.c:2783 __ext4_expand_extra_isize+0x2f7/0x3d0 fs/ext4/inode.c:5828 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5871 [inline] __ext4_mark_inode_dirty+0x539/0x860 fs/ext4/inode.c:5949 __ext4_unlink+0x8cd/0xae0 fs/ext4/namei.c:3255 ext4_unlink+0x1a9/0x530 fs/ext4/namei.c:3298 vfs_unlink+0x359/0x5f0 fs/namei.c:4209 do_unlinkat+0x49d/0x940 fs/namei.c:4277 __do_sys_unlinkat fs/namei.c:4320 [inline] __se_sys_unlinkat fs/namei.c:4313 [inline] __x64_sys_unlinkat+0xca/0xf0 fs/namei.c:4313 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fbe4f2c3169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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:00007fbe45454168 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 00007fbe4f3e3050 RCX: 00007fbe4f2c3169 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007fbe4f31eca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd9985fb4f R14: 00007fbe45454300 R15: 0000000000022000 Modules linked in: ---[ end trace b2a1de159fe896f3 ]--- RIP: 0010:free_nonslab_page+0x14d/0x150 mm/slub.c:3532 Code: e9 41 ff ff ff 48 89 df 48 c7 c6 20 31 13 8c e8 79 1c ed ff 0f 0b e8 32 80 4e 08 48 89 df 48 c7 c6 41 b6 14 8c e8 63 1c ed ff <0f> 0b 90 53 48 89 fb e8 67 50 83 ff 48 89 df e8 df eb ff ff e8 1a RSP: 0018:ffffc90003c9f768 EFLAGS: 00010246 RAX: a5966444dddb9700 RBX: ffffea000194e600 RCX: 0000000000040000 RDX: ffffc9000c826000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffea000194e600 R08: ffffffff81cfc4b4 R09: ffffed1017364f24 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffffea000194e600 FS: 00007fbe45454700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6808870058 CR3: 000000006b50f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400