------------[ cut here ]------------
WARNING: CPU: 1 PID: 5833 at kernel/softirq.c:362 __local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362
Modules linked in:
CPU: 1 PID: 5833 Comm: syz-executor.2 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362
Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c e1 86 8f 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90000a088e0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 1ffff92000141120 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff895fcb56
RBP: ffffc90000a089a0 R08: ffff8880647e424b R09: 1ffff1100c8fc849
R10: dffffc0000000000 R11: ffffed100c8fc84a R12: dffffc0000000000
R13: 0000000000000004 R14: ffffc90000a08920 R15: 0000000000000201
FS: 0000555576720480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f47a6ed56c6 CR3: 000000001ee10000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
spin_unlock_bh include/linux/spinlock.h:396 [inline]
sock_hash_delete_elem+0x1a6/0x300 net/core/sock_map.c:947
bpf_prog_1fb19b963690fcd5+0x56/0x5a
bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
__bpf_prog_run include/linux/filter.h:657 [inline]
bpf_prog_run include/linux/filter.h:664 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
bpf_trace_run2+0x204/0x420 kernel/trace/bpf_trace.c:2420
trace_kfree include/trace/events/kmem.h:94 [inline]
kfree+0x291/0x380 mm/slub.c:4396
put_css_set_locked+0x6e4/0x940 kernel/cgroup/cgroup.c:951
put_css_set kernel/cgroup/cgroup-internal.h:209 [inline]
cgroup_free+0x14d/0x1e0 kernel/cgroup/cgroup.c:6725
__put_task_struct+0xe4/0x290 kernel/fork.c:974
put_task_struct include/linux/sched/task.h:138 [inline]
delayed_put_task_struct+0x115/0x2d0 kernel/exit.c:229
rcu_do_batch kernel/rcu/tree.c:2196 [inline]
rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2471
__do_softirq+0x2bc/0x943 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:check_kcov_mode kernel/kcov.c:184 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:236 [inline]
RIP: 0010:__sanitizer_cov_trace_switch+0xc3/0x120 kernel/kcov.c:341
Code: 8b 74 d6 10 65 8b 05 f4 d7 6e 7e a9 00 01 ff 00 74 11 a9 00 01 00 00 74 de 41 83 bb 14 16 00 00 00 74 d4 41 8b 83 f0 15 00 00 <83> f8 03 75 c8 49 8b 8b f8 15 00 00 45 8b bb f4 15 00 00 49 c1 e7
RSP: 0018:ffffc90003636cb8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffff888025b68000
RDX: 0000000000000000 RSI: ffffffff8dfa0870 RDI: 0000000000000002
RBP: ffffffff90074625 R08: 0000000000000005 R09: ffffffff81409f66
R10: 0000000000000003 R11: ffff888025b68000 R12: ffffffff90074624
R13: dffffc0000000000 R14: 0000000000000002 R15: 1ffff920006c6dc4
unwind_next_frame+0xff6/0x2a00 arch/x86/kernel/unwind_orc.c:581
__unwind_start+0x641/0x7c0 arch/x86/kernel/unwind_orc.c:760
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0x103/0x1b0 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:312 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3813 [inline]
slab_alloc_node mm/slub.c:3860 [inline]
kmem_cache_alloc+0x172/0x350 mm/slub.c:3867
ptlock_alloc+0x20/0x70 mm/memory.c:6290
ptlock_init include/linux/mm.h:2906 [inline]
pagetable_pte_ctor include/linux/mm.h:2929 [inline]
__pte_alloc_one include/asm-generic/pgalloc.h:71 [inline]
pte_alloc_one+0xcd/0x5d0 arch/x86/mm/pgtable.c:33
__pte_alloc+0x79/0x3a0 mm/memory.c:440
copy_pte_range mm/memory.c:1048 [inline]
copy_pmd_range mm/memory.c:1187 [inline]
copy_pud_range mm/memory.c:1224 [inline]
copy_p4d_range mm/memory.c:1248 [inline]
copy_page_range+0x391e/0x4240 mm/memory.c:1346
dup_mmap kernel/fork.c:747 [inline]
dup_mm kernel/fork.c:1687 [inline]
copy_mm+0x12f5/0x21b0 kernel/fork.c:1736
copy_process+0x187a/0x3df0 kernel/fork.c:2389
kernel_clone+0x21e/0x8d0 kernel/fork.c:2796
__do_sys_clone kernel/fork.c:2939 [inline]
__se_sys_clone kernel/fork.c:2923 [inline]
__x64_sys_clone+0x258/0x2a0 kernel/fork.c:2923
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f47a627aed3
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffda5e01d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f47a627aed3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000555576720750 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
----------------
Code disassembly (best guess):
0: 8b 74 d6 10 mov 0x10(%rsi,%rdx,8),%esi
4: 65 8b 05 f4 d7 6e 7e mov %gs:0x7e6ed7f4(%rip),%eax # 0x7e6ed7ff
b: a9 00 01 ff 00 test $0xff0100,%eax
10: 74 11 je 0x23
12: a9 00 01 00 00 test $0x100,%eax
17: 74 de je 0xfffffff7
19: 41 83 bb 14 16 00 00 cmpl $0x0,0x1614(%r11)
20: 00
21: 74 d4 je 0xfffffff7
23: 41 8b 83 f0 15 00 00 mov 0x15f0(%r11),%eax
* 2a: 83 f8 03 cmp $0x3,%eax <-- trapping instruction
2d: 75 c8 jne 0xfffffff7
2f: 49 8b 8b f8 15 00 00 mov 0x15f8(%r11),%rcx
36: 45 8b bb f4 15 00 00 mov 0x15f4(%r11),%r15d
3d: 49 rex.WB
3e: c1 .byte 0xc1
3f: e7 .byte 0xe7