device batadv0 entered promiscuous mode
lo: Cannot use loopback or non-ethernet device as HSR slave.
================================
WARNING: inconsistent lock state
4.19.103-syzkaller #0 Not tainted
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
syz-executor.5/8290 [HC0[0]:SC1[1]:HE1:SE0] takes:
00000000a48e5cff (rxrpc_conn_id_lock){+.?.}, at: spin_lock include/linux/spinlock.h:329 [inline]
00000000a48e5cff (rxrpc_conn_id_lock){+.?.}, at: rxrpc_put_client_connection_id.part.0+0x19/0x70 net/rxrpc/conn_client.c:143
{SOFTIRQ-ON-W} state was registered at:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
rxrpc_get_client_connection_id net/rxrpc/conn_client.c:114 [inline]
rxrpc_alloc_client_connection net/rxrpc/conn_client.c:198 [inline]
rxrpc_get_client_conn net/rxrpc/conn_client.c:345 [inline]
rxrpc_connect_call+0x948/0x4920 net/rxrpc/conn_client.c:702
rxrpc_new_client_call+0x8e7/0x1880 net/rxrpc/call_object.c:291
rxrpc_new_client_call_for_sendmsg net/rxrpc/sendmsg.c:596 [inline]
rxrpc_do_sendmsg+0xfc3/0x1ca3 net/rxrpc/sendmsg.c:652
rxrpc_sendmsg+0x4a0/0x5b0 net/rxrpc/af_rxrpc.c:593
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x3e2/0x920 net/socket.c:2115
__sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210
__do_sys_sendmmsg net/socket.c:2239 [inline]
__se_sys_sendmmsg net/socket.c:2236 [inline]
__x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2236
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
irq event stamp: 1991422
hardirqs last enabled at (1991422): [<ffffffff87553a3b>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last enabled at (1991422): [<ffffffff87553a3b>] _raw_spin_unlock_irqrestore+0x6b/0xe0 kernel/locking/spinlock.c:184
hardirqs last disabled at (1991421): [<ffffffff87553ccf>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (1991421): [<ffffffff87553ccf>] _raw_spin_lock_irqsave+0x6f/0xcd kernel/locking/spinlock.c:152
softirqs last enabled at (1991386): [<ffffffff85be91f6>] spin_unlock_bh include/linux/spinlock.h:374 [inline]
softirqs last enabled at (1991386): [<ffffffff85be91f6>] release_sock+0x156/0x1c0 net/core/sock.c:2866
softirqs last disabled at (1991399): [<ffffffff81405860>] invoke_softirq kernel/softirq.c:372 [inline]
softirqs last disabled at (1991399): [<ffffffff81405860>] irq_exit+0x180/0x1d0 kernel/softirq.c:412
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(rxrpc_conn_id_lock);
<Interrupt>
lock(rxrpc_conn_id_lock);
*** DEADLOCK ***
4 locks held by syz-executor.5/8290:
#0: 000000005ffc65c0 (&xt[i].mutex){+.+.}, at: xt_find_table_lock+0x40/0x430 net/netfilter/x_tables.c:1211
#1: 000000002a5e906e (pgd_lock){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline]
#1: 000000002a5e906e (pgd_lock){+.+.}, at: sync_global_pgds_l4+0x117/0x460 arch/x86/mm/init_64.c:152
#2: 00000000597cc5f4 (&(&mm->page_table_lock)->rlock){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline]
#2: 00000000597cc5f4 (&(&mm->page_table_lock)->rlock){+.+.}, at: sync_global_pgds_l4+0x248/0x460 arch/x86/mm/init_64.c:162
#3: 00000000c162c1b4 (rcu_callback){....}, at: __rcu_reclaim kernel/rcu/rcu.h:226 [inline]
#3: 00000000c162c1b4 (rcu_callback){....}, at: rcu_do_batch kernel/rcu/tree.c:2584 [inline]
#3: 00000000c162c1b4 (rcu_callback){....}, at: invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline]
#3: 00000000c162c1b4 (rcu_callback){....}, at: __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline]
#3: 00000000c162c1b4 (rcu_callback){....}, at: rcu_process_callbacks+0xc79/0x1a30 kernel/rcu/tree.c:2881
stack backtrace:
CPU: 0 PID: 8290 Comm: syz-executor.5 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
print_usage_bug.cold+0x330/0x42a kernel/locking/lockdep.c:2540
valid_state kernel/locking/lockdep.c:2553 [inline]
mark_lock_irq kernel/locking/lockdep.c:2747 [inline]
mark_lock+0xd1b/0x1370 kernel/locking/lockdep.c:3127
mark_irqflags kernel/locking/lockdep.c:3005 [inline]
__lock_acquire+0xc62/0x49c0 kernel/locking/lockdep.c:3368
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
rxrpc_put_client_connection_id.part.0+0x19/0x70 net/rxrpc/conn_client.c:143
rxrpc_put_client_connection_id include/linux/spinlock.h:370 [inline]
rxrpc_put_one_client_conn net/rxrpc/conn_client.c:956 [inline]
rxrpc_put_client_conn+0x6c6/0xc20 net/rxrpc/conn_client.c:1002
rxrpc_put_connection net/rxrpc/ar-internal.h:951 [inline]
rxrpc_rcu_destroy_call+0xbd/0x200 net/rxrpc/call_object.c:657
__rcu_reclaim kernel/rcu/rcu.h:236 [inline]
rcu_do_batch kernel/rcu/tree.c:2584 [inline]
invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline]
__rcu_process_callbacks kernel/rcu/tree.c:2864 [inline]
rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881
__do_softirq+0x25c/0x921 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:544 [inline]
smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893
</IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline]
RIP: 0010:lock_acquire+0x1ea/0x3f0 kernel/locking/lockdep.c:3906
Code: 7c 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 c4 01 00 00 48 83 3d 9a f2 9f 07 00 0f 84 38 01 00 00 48 8b 7d c8 57 9d <0f> 1f 44 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 65 8b
RSP: 0018:ffff88805580f8b8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11e4ae9 RBX: ffff888056398340 RCX: 00000000b8352fbb
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282
RBP: ffff88805580f900 R08: 0000000000004b0c R09: 0000000000000002
R10: ffff888056398c10 R11: ffffffff8a780fa0 R12: ffff888053cee988
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
spin_lock include/linux/spinlock.h:329 [inline]
sync_global_pgds_l4+0x248/0x460 arch/x86/mm/init_64.c:162
sync_global_pgds+0x1e/0x30 arch/x86/mm/init_64.c:186
vmalloc_sync_all+0x22/0x30 arch/x86/mm/fault.c:407
__vmalloc_node_range+0x446/0x790 mm/vmalloc.c:1758
__vmalloc_node mm/vmalloc.c:1801 [inline]
__vmalloc_node_flags mm/vmalloc.c:1815 [inline]
vzalloc+0x6b/0x90 mm/vmalloc.c:1854
alloc_counters.isra.0+0x53/0x680 net/ipv4/netfilter/ip_tables.c:803
copy_entries_to_user net/ipv4/netfilter/ip_tables.c:825 [inline]
get_entries net/ipv4/netfilter/ip_tables.c:1027 [inline]
do_ipt_get_ctl+0x4fc/0x930 net/ipv4/netfilter/ip_tables.c:1703
nf_sockopt net/netfilter/nf_sockopt.c:104 [inline]
nf_getsockopt+0x7a/0xd0 net/netfilter/nf_sockopt.c:122
ip_getsockopt net/ipv4/ip_sockglue.c:1574 [inline]
ip_getsockopt+0x176/0x1d0 net/ipv4/ip_sockglue.c:1554
tcp_getsockopt net/ipv4/tcp.c:3603 [inline]
tcp_getsockopt+0x8f/0xe0 net/ipv4/tcp.c:3597
sock_common_getsockopt+0x94/0xd0 net/core/sock.c:3005
__sys_getsockopt+0x15f/0x240 net/socket.c:1938
__do_sys_getsockopt net/socket.c:1949 [inline]
__se_sys_getsockopt net/socket.c:1946 [inline]
__x64_sys_getsockopt+0xbe/0x150 net/socket.c:1946
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45deca
Code: b8 34 01 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 8d 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 6a 8b fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007ffe743cdd58 EFLAGS: 00000202 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007ffe743cdd80 RCX: 000000000045deca
RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000071de80 R08: 00007ffe743cdd7c R09: 0000000000004000
R10: 00007ffe743cde80 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 0000000000000000 R15: 000000000071d100
device batadv0 left promiscuous mode
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.1'.
device batadv0 entered promiscuous mode
lo: Cannot use loopback or non-ethernet device as HSR slave.
device batadv0 left promiscuous mode
device batadv0 entered promiscuous mode
lo: Cannot use loopback or non-ethernet device as HSR slave.
device batadv0 left promiscuous mode
ieee80211 !: Selected rate control algorithm 'minstrel_ht'
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.1'.
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 1 PID: 13076 Comm: syz-executor.1 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f025a5ecc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f025a5ed6d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bfd4
selinux_nlmsg_perm: 2738 callbacks suppressed
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=29999 sclass=netlink_route_socket pig=13131 comm=syz-executor.2
device batadv0 entered promiscuous mode
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.1'.
lo: Cannot use loopback or non-ethernet device as HSR slave.
device batadv0 left promiscuous mode
device batadv0 entered promiscuous mode
lo: Cannot use loopback or non-ethernet device as HSR slave.
device batadv0 left promiscuous mode
device batadv0 entered promiscuous mode
lo: Cannot use loopback or non-ethernet device as HSR slave.
device batadv0 left promiscuous mode
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 1 PID: 13137 Comm: syz-executor.1 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f025a60dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f025a60e6d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bf2c
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.0'.
ieee80211 !: Selected rate control algorithm 'minstrel_ht'
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.5'.
ieee80211 !: Selected rate control algorithm 'minstrel_ht'
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.2'.
ieee80211 !: Selected rate control algorithm 'minstrel_ht'
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.4'.
ieee80211 !: Selected rate control algorithm 'minstrel_ht'
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.1'.
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 1 PID: 13192 Comm: syz-executor.1 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f025a5ecc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f025a5ed6d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bfd4
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.0'.
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 1 PID: 13198 Comm: syz-executor.0 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f2e83bf5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2e83bf66d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bf2c
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.5'.
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 0 PID: 13205 Comm: syz-executor.5 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3e9796dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f3e9796e6d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bf2c
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 0 PID: 13213 Comm: syz-executor.2 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f56c6126c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f56c61276d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bf2c
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 0 PID: 13218 Comm: syz-executor.4 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f463bf83c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f463bf846d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bf2c
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 1 PID: 13221 Comm: syz-executor.1 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f025a60dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f025a60e6d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bf2c
nla_parse: 3 callbacks suppressed
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.0'.
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 0 PID: 13226 Comm: syz-executor.0 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f2e83bf5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2e83bf66d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bf2c
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.5'.
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 1 PID: 13235 Comm: syz-executor.5 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3e9796dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f3e9796e6d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bf2c
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.2'.
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 0 PID: 13238 Comm: syz-executor.2 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f56c6126c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f56c61276d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bf2c
audit: type=1400 audit(1581532758.093:103): avc: denied { map } for pid=13260 comm="syz-executor.0" path="/dev/dsp" dev="devtmpfs" ino=18986 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:sound_device_t:s0 tclass=chr_file permissive=1
netlink: 11 bytes leftover after parsing attributes in process `syz-executor.4'.
sysfs: cannot create duplicate filename '/class/ieee80211/!'
CPU: 1 PID: 13247 Comm: syz-executor.4 Not tainted 4.19.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
sysfs_warn_dup.cold+0x1c/0x31 fs/sysfs/dir.c:30
sysfs_do_create_link_sd.isra.0+0x118/0x130 fs/sysfs/symlink.c:50
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x65/0xc0 fs/sysfs/symlink.c:91
device_add_class_symlinks drivers/base/core.c:1783 [inline]
device_add+0x7ce/0x1760 drivers/base/core.c:1985
wiphy_register+0x16fa/0x21d0 net/wireless/core.c:832
ieee80211_register_hw+0x156e/0x3800 net/mac80211/main.c:1092
mac80211_hwsim_new_radio+0x1d83/0x3df0 drivers/net/wireless/mac80211_hwsim.c:2896
hwsim_new_radio_nl+0x5eb/0x893 drivers/net/wireless/mac80211_hwsim.c:3374
genl_family_rcv_msg+0x6db/0xd30 net/netlink/genetlink.c:602
genl_rcv_msg+0xca/0x170 net/netlink/genetlink.c:627
netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454
genl_rcv+0x29/0x40 net/netlink/genetlink.c:638
netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343
netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:632
___sys_sendmsg+0x803/0x920 net/socket.c:2115
__sys_sendmsg+0x105/0x1d0 net/socket.c:2153
__do_sys_sendmsg net/socket.c:2162 [inline]
__se_sys_sendmsg net/socket.c:2160 [inline]
__x64_sys_sendmsg+0x78/0xb0 net/socket.c:2160
do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45b3b9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f463bf83c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f463bf846d4 RCX: 000000000045b3b9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000008
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000009c4 R14: 00000000004cb36a R15: 000000000075bf2c
kvm [13457]: vcpu0, guest rIP: 0x48 Hyper-V uhandled wrmsr: 0x4000002f data 0x1000000081
kvm [13457]: vcpu0, guest rIP: 0x48 Hyper-V uhandled wrmsr: 0x4000004d data 0x1000000081
kvm [13493]: vcpu0, guest rIP: 0x48 Hyper-V uhandled wrmsr: 0x4000002f data 0x1000000081
kvm [13493]: vcpu0, guest rIP: 0x48 Hyper-V uhandled wrmsr: 0x4000004d data 0x1000000081