==================================================================
BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv
read-write to 0xffff88812bffc020 of 4 bytes by interrupt on cpu 0:
can_can_gw_rcv+0x7c9/0x7e0 net/can/gw.c:564
deliver net/can/af_can.c:572 [inline]
can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
run_ksoftirqd+0x1c/0x30 kernel/softirq.c:928
smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff88812bffc020 of 4 bytes by interrupt on cpu 1:
can_can_gw_rcv+0x7c9/0x7e0 net/can/gw.c:564
deliver net/can/af_can.c:572 [inline]
can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
batadv_purge_orig_ref+0xb89/0xbf0 net/batman-adv/originator.c:1287
batadv_purge_orig+0x19/0x50 net/batman-adv/originator.c:1300
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
value changed: 0x0004ab54 -> 0x0004ab55
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 14646 Comm: kworker/u8:11 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: bat_events batadv_purge_orig
==================================================================
==================================================================
BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter
read-write to 0xffff888101b7b7e8 of 8 bytes by interrupt on cpu 0:
deliver net/can/af_can.c:573 [inline]
can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
run_ksoftirqd+0x1c/0x30 kernel/softirq.c:928
smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff888101b7b7e8 of 8 bytes by interrupt on cpu 1:
deliver net/can/af_can.c:573 [inline]
can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]
wg_packet_encrypt_worker+0x186/0xa30 drivers/net/wireguard/send.c:293
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
value changed: 0x0000000000056882 -> 0x0000000000056883
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 5599 Comm: kworker/1:12 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker
==================================================================
==================================================================
BUG: KCSAN: data-race in can_receive / can_receive
read-write to 0xffff88813f2319e8 of 8 bytes by interrupt on cpu 0:
can_receive+0x62/0x1f0 net/can/af_can.c:650
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]
nsim_dev_trap_report_work+0x4d5/0x5b0 drivers/net/netdevsim/dev.c:850
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff88813f2319e8 of 8 bytes by interrupt on cpu 1:
can_receive+0x62/0x1f0 net/can/af_can.c:650
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
run_ksoftirqd+0x1c/0x30 kernel/softirq.c:928
smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
value changed: 0x0000000000005390 -> 0x0000000000005391
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 22 Comm: ksoftirqd/1 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
==================================================================
==================================================================
BUG: KCSAN: data-race in can_receive / can_receive
read-write to 0xffff88813f2319f8 of 8 bytes by interrupt on cpu 0:
can_receive+0x1ca/0x1f0 net/can/af_can.c:672
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:851 [inline]
mod_peer_timer drivers/net/wireguard/timers.c:38 [inline]
wg_timers_any_authenticated_packet_traversal+0xe5/0x110 drivers/net/wireguard/timers.c:215
wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:36 [inline]
wg_packet_handshake_send_worker+0xd7/0x150 drivers/net/wireguard/send.c:51
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff88813f2319f8 of 8 bytes by interrupt on cpu 1:
can_receive+0x1ca/0x1f0 net/can/af_can.c:672
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
local_bh_enable include/linux/bottom_half.h:33 [inline]
update_defense_level+0x5d5/0x610 net/netfilter/ipvs/ip_vs_ctl.c:210
defense_work_handler+0x1f/0x80 net/netfilter/ipvs/ip_vs_ctl.c:235
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
value changed: 0x000000000000a03c -> 0x000000000000a03d
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 9233 Comm: kworker/1:1 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events_long defense_work_handler
==================================================================
==================================================================
BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv
read-write to 0xffff88812bffc020 of 4 bytes by interrupt on cpu 0:
can_can_gw_rcv+0x7c9/0x7e0 net/can/gw.c:564
deliver net/can/af_can.c:572 [inline]
can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]
nsim_dev_trap_report_work+0x4d5/0x5b0 drivers/net/netdevsim/dev.c:850
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff88812bffc020 of 4 bytes by interrupt on cpu 1:
can_can_gw_rcv+0x7c9/0x7e0 net/can/gw.c:564
deliver net/can/af_can.c:572 [inline]
can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]
nsim_dev_trap_report_work+0x4d5/0x5b0 drivers/net/netdevsim/dev.c:850
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
value changed: 0x0009f0dd -> 0x0009f0de
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 12486 Comm: kworker/1:9 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events nsim_dev_trap_report_work
==================================================================
==================================================================
BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter
read-write to 0xffff888101b7b7e8 of 8 bytes by interrupt on cpu 0:
deliver net/can/af_can.c:573 [inline]
can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
batadv_nc_purge_paths+0x21d/0x270 net/batman-adv/network-coding.c:471
batadv_nc_worker+0x402/0xac0 net/batman-adv/network-coding.c:722
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff888101b7b7e8 of 8 bytes by interrupt on cpu 1:
deliver net/can/af_can.c:573 [inline]
can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_write_unlock_bh include/linux/rwlock_api_smp.h:281 [inline]
_raw_write_unlock_bh+0x1f/0x30 kernel/locking/spinlock.c:366
sock_orphan include/net/sock.h:2069 [inline]
__tcp_close+0x61f/0x1060 net/ipv4/tcp.c:2851
tcp_close+0x26/0xc0 net/ipv4/tcp.c:2932
inet_release+0xce/0xf0 net/ipv4/af_inet.c:437
__sock_release net/socket.c:659 [inline]
sock_close+0x68/0x150 net/socket.c:1421
__fput+0x2c1/0x660 fs/file_table.c:422
__fput_sync+0x44/0x60 fs/file_table.c:507
__do_sys_close fs/open.c:1556 [inline]
__se_sys_close+0x101/0x1b0 fs/open.c:1541
__x64_sys_close+0x1f/0x30 fs/open.c:1541
x64_sys_call+0x25b9/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:4
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
value changed: 0x00000000000aa37b -> 0x00000000000aa37c
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 9535 Comm: syz-executor.4 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
==================================================================
==================================================================
BUG: KCSAN: data-race in can_receive / can_receive
read-write to 0xffff88813f231998 of 8 bytes by interrupt on cpu 0:
can_receive+0x1b6/0x1f0 net/can/af_can.c:671
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_read_unlock_bh include/linux/rwlock_api_smp.h:257 [inline]
_raw_read_unlock_bh+0x1b/0x20 kernel/locking/spinlock.c:284
wg_socket_send_skb_to_peer+0x109/0x130 drivers/net/wireguard/socket.c:184
wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
wg_packet_tx_worker+0x127/0x360 drivers/net/wireguard/send.c:276
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff88813f231998 of 8 bytes by interrupt on cpu 1:
can_receive+0x1b6/0x1f0 net/can/af_can.c:671
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]
wg_packet_encrypt_worker+0x186/0xa30 drivers/net/wireguard/send.c:293
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
value changed: 0x00000000000b0ccd -> 0x00000000000b0cce
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 5605 Comm: kworker/1:16 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker
==================================================================
==================================================================
BUG: KCSAN: data-race in can_receive / can_receive
read-write to 0xffff88813f2319e8 of 8 bytes by interrupt on cpu 0:
can_receive+0x62/0x1f0 net/can/af_can.c:650
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
run_ksoftirqd+0x1c/0x30 kernel/softirq.c:928
smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff88813f2319e8 of 8 bytes by interrupt on cpu 1:
can_receive+0x62/0x1f0 net/can/af_can.c:650
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
__release_sock+0x5b/0x140 net/core/sock.c:2977
release_sock+0x44/0x150 net/core/sock.c:3550
tcp_sendmsg+0x3a/0x50 net/ipv4/tcp.c:1343
inet_sendmsg+0x77/0xd0 net/ipv4/af_inet.c:851
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x102/0x180 net/socket.c:745
sock_write_iter+0x164/0x1b0 net/socket.c:1160
call_write_iter include/linux/fs.h:2110 [inline]
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0x771/0x8e0 fs/read_write.c:590
ksys_write+0xeb/0x1b0 fs/read_write.c:643
__do_sys_write fs/read_write.c:655 [inline]
__se_sys_write fs/read_write.c:652 [inline]
__x64_sys_write+0x42/0x50 fs/read_write.c:652
x64_sys_call+0x27b7/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:2
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
value changed: 0x00000000000062e7 -> 0x00000000000062e8
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 3261 Comm: syz-fuzzer Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
==================================================================
==================================================================
BUG: KCSAN: data-race in can_receive / can_receive
read-write to 0xffff88813f2319f8 of 8 bytes by interrupt on cpu 0:
can_receive+0x1ca/0x1f0 net/can/af_can.c:672
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
wg_index_hashtable_insert+0xaa/0x2a0 drivers/net/wireguard/peerlookup.c:126
wg_noise_handshake_create_initiation+0x52d/0x5f0 drivers/net/wireguard/noise.c:569
wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:34 [inline]
wg_packet_handshake_send_worker+0xb3/0x150 drivers/net/wireguard/send.c:51
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff88813f2319f8 of 8 bytes by interrupt on cpu 1:
can_receive+0x1ca/0x1f0 net/can/af_can.c:672
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]
wg_packet_encrypt_worker+0x186/0xa30 drivers/net/wireguard/send.c:293
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
value changed: 0x000000000000b4d4 -> 0x000000000000b4d5
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 23639 Comm: kworker/1:3 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker
==================================================================
==================================================================
BUG: KCSAN: data-race in can_send / can_send
read-write to 0xffff88813f2319f0 of 8 bytes by interrupt on cpu 0:
can_send+0x570/0x5d0 net/can/af_can.c:290
can_can_gw_rcv+0x77b/0x7e0 net/can/gw.c:561
deliver net/can/af_can.c:572 [inline]
can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:851 [inline]
mod_peer_timer drivers/net/wireguard/timers.c:38 [inline]
wg_timers_any_authenticated_packet_traversal+0xe5/0x110 drivers/net/wireguard/timers.c:215
wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:36 [inline]
wg_packet_handshake_send_worker+0xd7/0x150 drivers/net/wireguard/send.c:51
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff88813f2319f0 of 8 bytes by interrupt on cpu 1:
can_send+0x570/0x5d0 net/can/af_can.c:290
can_can_gw_rcv+0x77b/0x7e0 net/can/gw.c:561
deliver net/can/af_can.c:572 [inline]
can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
batadv_nc_purge_paths+0x21d/0x270 net/batman-adv/network-coding.c:471
batadv_nc_worker+0x402/0xac0 net/batman-adv/network-coding.c:722
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
value changed: 0x0000000000017a6e -> 0x0000000000017a6f
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 14646 Comm: kworker/u8:11 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: bat_events batadv_nc_worker
==================================================================
==================================================================
BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv
read-write to 0xffff88812bffc020 of 4 bytes by interrupt on cpu 0:
can_can_gw_rcv+0x7c9/0x7e0 net/can/gw.c:564
deliver net/can/af_can.c:572 [inline]
can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]
nsim_dev_trap_report_work+0x4d5/0x5b0 drivers/net/netdevsim/dev.c:850
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff88812bffc020 of 4 bytes by interrupt on cpu 1:
can_can_gw_rcv+0x7c9/0x7e0 net/can/gw.c:564
deliver net/can/af_can.c:572 [inline]
can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
batadv_nc_purge_paths+0x21d/0x270 net/batman-adv/network-coding.c:471
batadv_nc_worker+0x3db/0xac0 net/batman-adv/network-coding.c:720
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
value changed: 0x000f4f0a -> 0x000f4f0b
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 14646 Comm: kworker/u8:11 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: bat_events batadv_nc_worker
==================================================================
==================================================================
BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter
read-write to 0xffff888101b7b7e8 of 8 bytes by interrupt on cpu 0:
deliver net/can/af_can.c:573 [inline]
can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
run_ksoftirqd+0x1c/0x30 kernel/softirq.c:928
smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff888101b7b7e8 of 8 bytes by interrupt on cpu 1:
deliver net/can/af_can.c:573 [inline]
can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]
wg_packet_decrypt_worker+0x173/0x6f0 drivers/net/wireguard/receive.c:499
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
value changed: 0x00000000000ffcfd -> 0x00000000000ffcff
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 5605 Comm: kworker/1:16 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: wg-crypt-wg2 wg_packet_decrypt_worker
==================================================================
==================================================================
BUG: KCSAN: data-race in can_send / can_send
read-write to 0xffff88813f231990 of 8 bytes by interrupt on cpu 0:
can_send+0x55c/0x5d0 net/can/af_can.c:289
can_can_gw_rcv+0x77b/0x7e0 net/can/gw.c:561
deliver net/can/af_can.c:572 [inline]
can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_read_unlock_bh include/linux/rwlock_api_smp.h:257 [inline]
_raw_read_unlock_bh+0x1b/0x20 kernel/locking/spinlock.c:284
wg_socket_send_skb_to_peer+0x109/0x130 drivers/net/wireguard/socket.c:184
wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline]
wg_packet_tx_worker+0x127/0x360 drivers/net/wireguard/send.c:276
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
read-write to 0xffff88813f231990 of 8 bytes by interrupt on cpu 1:
can_send+0x55c/0x5d0 net/can/af_can.c:289
can_can_gw_rcv+0x77b/0x7e0 net/can/gw.c:561
deliver net/can/af_can.c:572 [inline]
can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599
can_receive+0x182/0x1f0 net/can/af_can.c:663
can_rcv+0xe7/0x180 net/can/af_can.c:687
__netif_receive_skb_one_core net/core/dev.c:5544 [inline]
__netif_receive_skb+0x123/0x280 net/core/dev.c:5658
process_backlog+0x21f/0x380 net/core/dev.c:5987
__napi_poll+0x63/0x3c0 net/core/dev.c:6638
napi_poll net/core/dev.c:6707 [inline]
net_rx_action+0x324/0x720 net/core/dev.c:6822
handle_softirqs+0xc8/0x290 kernel/softirq.c:554
do_softirq+0x5e/0x90 kernel/softirq.c:455
__local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
_raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210
spin_unlock_bh include/linux/spinlock.h:396 [inline]
nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]
nsim_dev_trap_report_work+0x4d5/0x5b0 drivers/net/netdevsim/dev.c:850
process_one_work kernel/workqueue.c:3267 [inline]
process_scheduled_works+0x465/0x990 kernel/workqueue.c:3348
worker_thread+0x526/0x730 kernel/workqueue.c:3429
kthread+0x1d1/0x210 kernel/kthread.c:388
ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
value changed: 0x000000000011a16d -> 0x000000000011a16e
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 12486 Comm: kworker/1:9 Tainted: G W 6.9.0-rc7-syzkaller-00117-g448b3fe5a0ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events nsim_dev_trap_report_work
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