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ODEBUG: free active (active state 0) object: ffff888028150090 object type: timer_list hint: rose_t0timer_expiry+0x0/0x150 include/linux/skbuff.h:2928
WARNING: lib/debugobjects.c:629 at debug_print_object+0x18e/0x2a0 lib/debugobjects.c:629, CPU#0: syz-executor/19873
Modules linked in:
CPU: 0 UID: 0 PID: 19873 Comm: syz-executor Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:debug_print_object+0x19b/0x2a0 lib/debugobjects.c:629
Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 4f 48 8d 3d 32 8d e5 0b 41 56 48 8b 14 dd 60 17 1b 8c 4c 89 e6 <67> 48 0f b9 3a 58 83 05 0c 4d db 0b 01 48 83 c4 18 5b 5d 41 5c 41
RSP: 0018:ffffc90000007a38 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: ffffffff8c1b16a0 RSI: ffffffff8c1b12c0 RDI: ffffffff90e40420
RBP: 0000000000000001 R08: ffff888028150090 R09: ffffffff8bb2b920
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff8c1b12c0
R13: ffffffff8bb2b960 R14: ffffffff8a7bcfe0 R15: ffffc90000007b38
FS: 000055556b629500(0000) GS:ffff8880d6342000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8314000020 CR3: 0000000012f52000 CR4: 0000000000352ef0
DR0: 0000000000000002 DR1: 0000000000000001 DR2: 000000000000004e
DR3: 0000000000000006 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
__debug_check_no_obj_freed lib/debugobjects.c:1116 [inline]
debug_check_no_obj_freed+0x4da/0x630 lib/debugobjects.c:1146
slab_free_hook mm/slub.c:2616 [inline]
slab_free mm/slub.c:6165 [inline]
kfree+0x38f/0x6b0 mm/slub.c:6483
rose_neigh_put include/net/rose.h:166 [inline]
rose_timer_expiry+0x53f/0x630 net/rose/rose_timer.c:183
call_timer_fn+0x19a/0x670 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1799 [inline]
__run_timers+0x757/0xb30 kernel/time/timer.c:2373
__run_timer_base kernel/time/timer.c:2385 [inline]
__run_timer_base kernel/time/timer.c:2377 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2394
run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2404
handle_softirqs+0x1eb/0x9e0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_is_held_type+0xf5/0x140 kernel/locking/lockdep.c:5945
Code: ff ff ff ff 65 0f c1 15 91 28 7e 08 83 fa 01 8b 44 24 04 75 2d 9c 5a 80 e6 02 75 47 41 f7 c5 00 02 00 00 74 01 fb 48 83 c4 08 <5b> 5d 41 5c 41 5d 41 5e 41 5f e9 bc 2c 03 00 c3 cc cc cc cc 31 c0
RSP: 0018:ffffc900037b7868 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffffffff8e7e7580 RCX: 0000000000000001
RDX: 0000000000000046 RSI: ffffffff8de50af4 RDI: ffffffff8c1b05a0
RBP: ffff88803ae2a4c0 R08: 0000000000000001 R09: 00000000000000b3
R10: 0000000000000200 R11: 0000000000000000 R12: 00000000ffffffff
R13: 0000000000000246 R14: ffff88803ae2b040 R15: 0000000000000001
lock_is_held include/linux/lockdep.h:249 [inline]
__might_resched+0x248/0x330 kernel/sched/core.c:8847
might_alloc include/linux/sched/mm.h:323 [inline]
slab_pre_alloc_hook mm/slub.c:4489 [inline]
slab_alloc_node mm/slub.c:4843 [inline]
kmem_cache_alloc_noprof+0x3a9/0x6e0 mm/slub.c:4873
lsm_inode_alloc security/security.c:228 [inline]
security_inode_alloc+0x3b/0x2c0 security/security.c:1189
inode_init_always_gfp+0xced/0x1040 fs/inode.c:307
inode_init_always include/linux/fs.h:2922 [inline]
alloc_inode+0x8e/0x250 fs/inode.c:354
new_inode+0x22/0x1c0 fs/inode.c:1185
binderfs_binder_device_create.isra.0+0x193/0x990 drivers/android/binderfs.c:152
binderfs_fill_super+0xccf/0x13d0 drivers/android/binderfs.c:679
vfs_get_super fs/super.c:1327 [inline]
get_tree_nodev+0xdd/0x190 fs/super.c:1346
vfs_get_tree+0x92/0x320 fs/super.c:1754
fc_mount fs/namespace.c:1193 [inline]
do_new_mount_fc fs/namespace.c:3763 [inline]
do_new_mount fs/namespace.c:3839 [inline]
path_mount+0x7d0/0x23d0 fs/namespace.c:4159
do_mount fs/namespace.c:4172 [inline]
__do_sys_mount fs/namespace.c:4361 [inline]
__se_sys_mount fs/namespace.c:4338 [inline]
__x64_sys_mount+0x293/0x310 fs/namespace.c:4338
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f1939da0a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd10bde758 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1f194326c8 RCX: 00007f1f1939da0a
RDX: 00007f1f1944305b RSI: 00007f1f194326c8 RDI: 00007f1f1944305b
RBP: 00007f1f19432911 R08: 0000000000000000 R09: 00007f1f196167b8
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1f194074a0
R13: 00007f1f19407478 R14: 00007ffd10bde9d8 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: b8 00 00 00 00 mov $0x0,%eax
5: 00 fc add %bh,%ah
7: ff lcall (bad)
8: df 48 89 fisttps -0x77(%rax)
b: fa cli
c: 48 c1 ea 03 shr $0x3,%rdx
10: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
14: 75 4f jne 0x65
16: 48 8d 3d 32 8d e5 0b lea 0xbe58d32(%rip),%rdi # 0xbe58d4f
1d: 41 56 push %r14
1f: 48 8b 14 dd 60 17 1b mov -0x73e4e8a0(,%rbx,8),%rdx
26: 8c
27: 4c 89 e6 mov %r12,%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 58 pop %rax
30: 83 05 0c 4d db 0b 01 addl $0x1,0xbdb4d0c(%rip) # 0xbdb4d43
37: 48 83 c4 18 add $0x18,%rsp
3b: 5b pop %rbx
3c: 5d pop %rbp
3d: 41 5c pop %r12
3f: 41 rex.B