RAX: 0000000000000000 RBX: 00007f35df9b6080 RCX: 00007f35df78e929 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000 RBP: 00007f35df5ff090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007f35df9b6080 R15: 00007ffc592abaa8 CFI failure at __traceiter_kmem_cache_free+0x3e/0x60 include/trace/events/kmem.h:114 (target: tp_stub_func+0x0/0x10; expected type: 0x00cffe50) invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 1273 Comm: syz.3.268 Not tainted 6.1.141-syzkaller-00033-g36d69f6a49eb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__traceiter_kmem_cache_free+0x3e/0x60 include/trace/events/kmem.h:114 Code: e4 74 38 48 89 cb 49 89 d6 49 89 f7 49 8b 04 24 49 8b 7c 24 08 4c 89 fe 4c 89 f2 48 89 d9 41 ba b0 01 30 ff 44 03 50 fc 74 02 <0f> 0b ff d0 49 83 7c 24 18 00 4d 8d 64 24 18 75 d1 31 c0 5b 41 5c RSP: 0018:ffffc9000eef7bc8 EFLAGS: 00010283 RAX: ffffffff81711370 RBX: ffff8881002ac600 RCX: ffff8881002ac600 RDX: ffff8881376e2770 RSI: ffffffff81c29bc3 RDI: ffffc9000ee71000 RBP: ffffc9000eef7be8 R08: dffffc0000000000 R09: fffff52001ddef2d R10: 00000000a47068bc R11: ffffffff81341af0 R12: ffff888100bca6a8 R13: ffffea0000000000 R14: ffff8881376e2770 R15: ffffffff81c29bc3 FS: 00007f35df5ff6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d420224 CR3: 000000010e316000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_kmem_cache_free include/trace/events/kmem.h:114 [inline] kmem_cache_free+0x285/0x300 mm/slub.c:3710 __d_free fs/dcache.c:298 [inline] dentry_free+0xd3/0x150 fs/dcache.c:379 __dentry_kill+0x529/0x670 fs/dcache.c:625 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1 dput+0x42/0x80 fs/dcache.c:918 __fput+0x5be/0x8f0 fs/file_table.c:328 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1db/0x240 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f35df78e929 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:00007f35df5ff038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f35df9b6080 RCX: 00007f35df78e929 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000 RBP: 00007f35df5ff090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 00007f35df9b6080 R15: 00007ffc592abaa8 Modules linked in: