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ODEBUG: free active (active state 0) object: ffff888037228090 object type: timer_list hint: rose_t0timer_expiry+0x0/0x150 include/linux/skbuff.h:2927
WARNING: CPU: 0 PID: 12889 at lib/debugobjects.c:612 debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Modules linked in:
CPU: 0 UID: 0 PID: 12889 Comm: syz.1.2600 Not tainted 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:debug_print_object+0x1a2/0x2b0 lib/debugobjects.c:612
Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 54 41 56 48 8b 14 dd a0 f3 f1 8b 4c 89 e6 48 c7 c7 20 e8 f1 8b e8 6f e1 c7 fc 90 <0f> 0b 90 90 58 83 05 76 d2 cf 0b 01 48 83 c4 18 5b 5d 41 5c 41 5d
RSP: 0018:ffffc90000007a18 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff817b6ee8
RDX: ffff88802c370000 RSI: ffffffff817b6ef5 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8bf1eec0
R13: ffffffff8b901fe0 R14: ffffffff8a533bd0 R15: ffffc90000007b18
FS: 00007f46d6e2a6c0(0000) GS:ffff8880d69d9000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000003290c000 CR4: 0000000000352ef0
Call Trace:
__debug_check_no_obj_freed lib/debugobjects.c:1099 [inline]
debug_check_no_obj_freed+0x4b7/0x600 lib/debugobjects.c:1129
slab_free_hook mm/slub.c:2454 [inline]
slab_free mm/slub.c:6611 [inline]
kfree+0x291/0x6d0 mm/slub.c:6818
rose_neigh_put include/net/rose.h:166 [inline]
rose_timer_expiry+0x53f/0x630 net/rose/rose_timer.c:183
call_timer_fn+0x19a/0x620 kernel/time/timer.c:1747
expire_timers kernel/time/timer.c:1798 [inline]
__run_timers+0x6ef/0x960 kernel/time/timer.c:2372
__run_timer_base kernel/time/timer.c:2384 [inline]
__run_timer_base kernel/time/timer.c:2376 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2393
run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403
handle_softirqs+0x219/0x8e0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: a6 66 57 00 48 89 df 5b e9 6d 15 5d 00 be 03 00 00 00 5b e9 f2 aa ee 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 34 24 65 48 8b 15 58 37 e7 11 65 8b 05 69 37 e7
RSP: 0018:ffffc9000450ef90 EFLAGS: 00000293
RAX: 0000000000000002 RBX: 00000000fc000000 RCX: ffffffff89a6bad6
RDX: ffff88802c370000 RSI: 000000007c000000 RDI: 0000000000000004
RBP: 0000000000000006 R08: 0000000000000004 R09: 000000007c000000
R10: 000000007f00a898 R11: 0000000000000001 R12: ffffffff8ccb06c0
R13: 000000007f00a898 R14: dffffc0000000000 R15: 000000007c000000
ip_set_range_to_cidr+0x91/0x110 net/netfilter/ipset/pfxlen.c:177
hash_net4_uadt+0x5cb/0xa40 net/netfilter/ipset/ip_set_hash_net.c:201
call_ad.constprop.0+0x16e/0x940 net/netfilter/ipset/ip_set_core.c:1751
ip_set_ad.constprop.0.isra.0+0x3ce/0x870 net/netfilter/ipset/ip_set_core.c:1841
nfnetlink_rcv_msg+0x9fc/0x1200 net/netfilter/nfnetlink.c:302
netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552
nfnetlink_rcv+0x1b3/0x430 net/netfilter/nfnetlink.c:669
netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346
netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896
sock_sendmsg_nosec net/socket.c:727 [inline]
__sock_sendmsg net/socket.c:742 [inline]
____sys_sendmsg+0xa98/0xc70 net/socket.c:2630
___sys_sendmsg+0x134/0x1d0 net/socket.c:2684
__sys_sendmsg+0x16d/0x220 net/socket.c:2716
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f46d5f8eec9
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:00007f46d6e2a038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f46d61e5fa0 RCX: 00007f46d5f8eec9
RDX: 00000000240008c4 RSI: 0000200000000000 RDI: 0000000000000005
RBP: 00007f46d6011f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f46d61e6038 R14: 00007f46d61e5fa0 R15: 00007ffcd10949d8
----------------
Code disassembly (best guess):
0: a6 cmpsb %es:(%rdi),%ds:(%rsi)
1: 66 57 push %di
3: 00 48 89 add %cl,-0x77(%rax)
6: df 5b e9 fistps -0x17(%rbx)
9: 6d insl (%dx),%es:(%rdi)
a: 15 5d 00 be 03 adc $0x3be005d,%eax
f: 00 00 add %al,(%rax)
11: 00 5b e9 add %bl,-0x17(%rbx)
14: f2 aa repnz stos %al,%es:(%rdi)
16: ee out %al,(%dx)
17: 02 66 90 add -0x70(%rsi),%ah
1a: 90 nop
1b: 90 nop
1c: 90 nop
1d: 90 nop
1e: 90 nop
1f: 90 nop
20: 90 nop
21: 90 nop
22: 90 nop
23: 90 nop
24: 90 nop
25: 90 nop
26: 90 nop
27: 90 nop
28: 90 nop
29: 90 nop
* 2a: f3 0f 1e fa endbr64 <-- trapping instruction
2e: 48 8b 34 24 mov (%rsp),%rsi
32: 65 48 8b 15 58 37 e7 mov %gs:0x11e73758(%rip),%rdx # 0x11e73792
39: 11
3a: 65 gs
3b: 8b .byte 0x8b
3c: 05 .byte 0x5
3d: 69 .byte 0x69
3e: 37 (bad)
3f: e7 .byte 0xe7