------------[ cut here ]------------ WARNING: CPU: 1 PID: 3618 at kernel/softirq.c:363 __local_bh_enable_ip+0x1b3/0x1f0 Modules linked in: CPU: 1 PID: 3618 Comm: syz-executor.4 Not tainted 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__local_bh_enable_ip+0x1b3/0x1f0 kernel/softirq.c:363 Code: 04 25 28 00 00 00 48 3b 44 24 60 75 4a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b e9 d0 fe ff ff e8 3f 00 00 00 eb a2 <0f> 0b e9 02 ff ff ff 48 c7 c1 c4 c8 e3 8d 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc90000dd08c0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff920001ba11c RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff884ede60 RBP: ffffc90000dd0980 R08: dffffc0000000000 R09: ffffed100f923e1d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: ffffc90000dd0900 R15: 0000000000000201 FS: 000055555706e480(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555557077938 CR3: 000000005c855000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sock_hash_delete_elem+0x1a0/0x2f0 net/core/sock_map.c:945 bpf_prog_2c29ac5cdc6b1842+0x3a/0xaf0 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917 __bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x22f/0x270 mm/slub.c:4549 put_css_set_locked+0x6e0/0x930 kernel/cgroup/cgroup.c:982 put_css_set kernel/cgroup/cgroup-internal.h:211 [inline] cgroup_free+0x145/0x1d0 kernel/cgroup/cgroup.c:6505 __put_task_struct+0xdf/0x2b0 kernel/fork.c:754 rcu_do_batch kernel/rcu/tree.c:2523 [inline] rcu_core+0xa15/0x1650 kernel/rcu/tree.c:2763 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__list_del_entry include/linux/list.h:135 [inline] RIP: 0010:dentry_unlist fs/dcache.c:525 [inline] RIP: 0010:__dentry_kill+0x281/0x650 fs/dcache.c:578 Code: 00 00 00 e8 91 ce a4 ff 49 8d ac 24 10 01 00 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 ef e8 63 8d ee ff 4c 8b 6d 00 <48> b8 00 00 00 00 00 fc ff df 41 80 3c 07 00 74 08 48 89 df e8 46 RSP: 0018:ffffc90003287bd0 EFLAGS: 00000246 RAX: 1ffff1100e8086e3 RBX: ffff888074043710 RCX: ffff88807bc65940 RDX: 0000000000000000 RSI: 0000000080000002 RDI: ffff888074043718 RBP: ffff888074043718 R08: ffffffff81db4b42 R09: fffff520000ca181 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888074043608 R13: ffff88806fd93d00 R14: ffff888074043698 R15: 1ffff1100e8086e2 shrink_dentry_list+0x398/0x6a0 fs/dcache.c:1177 shrink_dcache_parent+0xc9/0x480 vfs_rmdir+0x34e/0x460 fs/namei.c:4153 do_rmdir+0x368/0x670 fs/namei.c:4210 __do_sys_unlinkat fs/namei.c:4390 [inline] __se_sys_unlinkat fs/namei.c:4384 [inline] __x64_sys_unlinkat+0xdc/0xf0 fs/namei.c:4384 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: 0033:0x7f07338b2647 Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffd45b2bc8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f07338b2647 RDX: 0000000000000200 RSI: 00007fffd45b3d40 RDI: 00000000ffffff9c RBP: 00007f07338fe3b9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000207 R12: 00007fffd45b3d40 R13: 00007f07338fe3b9 R14: 0000000000016be6 R15: 0000000000000006 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 00 00 add %al,(%rax) 2: e8 91 ce a4 ff call 0xffa4ce98 7: 49 8d ac 24 10 01 00 lea 0x110(%r12),%rbp e: 00 f: 48 89 e8 mov %rbp,%rax 12: 48 c1 e8 03 shr $0x3,%rax 16: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 1b: 74 08 je 0x25 1d: 48 89 ef mov %rbp,%rdi 20: e8 63 8d ee ff call 0xffee8d88 25: 4c 8b 6d 00 mov 0x0(%rbp),%r13 * 29: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 30: fc ff df 33: 41 80 3c 07 00 cmpb $0x0,(%r15,%rax,1) 38: 74 08 je 0x42 3a: 48 89 df mov %rbx,%rdi 3d: e8 .byte 0xe8 3e: 46 rex.RX