team0: entered allmulticast mode
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:562
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 10803, name: syz.1.1324
preempt_count: 0, expected: 0
RCU nest depth: 1, expected: 0
2 locks held by syz.1.1324/10803:
#0: ffffffff8fed6908 (rtnl_mutex){+.+.}-{4:4}, at: ip6_mroute_setsockopt+0xdfe/0x12a0 net/ipv6/ip6mr.c:1725
#1: ffffffff8eb392e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#1: ffffffff8eb392e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#1: ffffffff8eb392e0 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781
CPU: 0 UID: 0 PID: 10803 Comm: syz.1.1324 Not tainted 6.14.0-rc5-syzkaller-01147-g8ef890df4031 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
__might_resched+0x5d4/0x780 kernel/sched/core.c:8767
__mutex_lock_common kernel/locking/mutex.c:562 [inline]
__mutex_lock+0x126/0x1010 kernel/locking/mutex.c:730
netdev_lock include/linux/netdevice.h:2731 [inline]
netdev_lock_ops include/net/netdev_lock.h:40 [inline]
dev_set_allmulti+0x11c/0x270 net/core/dev_api.c:279
team_change_rx_flags+0x1a8/0x330 drivers/net/team/team_core.c:1789
dev_change_rx_flags net/core/dev.c:9154 [inline]
netif_set_allmulti+0x20e/0x380 net/core/dev.c:9256
dev_set_allmulti+0x143/0x270 net/core/dev_api.c:280
mif6_add+0x22d/0xd60 net/ipv6/ip6mr.c:927
ip6_mroute_setsockopt+0xfad/0x12a0 net/ipv6/ip6mr.c:1726
do_ipv6_setsockopt+0x452/0x35b0 net/ipv6/ipv6_sockglue.c:415
ipv6_setsockopt+0x5d/0x170 net/ipv6/ipv6_sockglue.c:993
rawv6_setsockopt+0x2ac/0x690 net/ipv6/raw.c:1046
do_sock_setsockopt+0x3af/0x720 net/socket.c:2294
__sys_setsockopt net/socket.c:2319 [inline]
__do_sys_setsockopt net/socket.c:2325 [inline]
__se_sys_setsockopt net/socket.c:2322 [inline]
__x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2322
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd25ab8d169
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:00007fd25ba13038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fd25ada6160 RCX: 00007fd25ab8d169
RDX: 00000000000000ca RSI: 0000000000000029 RDI: 0000000000000004
RBP: 00007fd25ac0e2a0 R08: 000000000000000c R09: 0000000000000000
R10: 00004000000000c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd25ada6160 R15: 00007ffc2b0a2928
=============================
[ BUG: Invalid wait context ]
6.14.0-rc5-syzkaller-01147-g8ef890df4031 #0 Tainted: G W
-----------------------------
syz.1.1324/10803 is trying to lock:
ffff88805cb38d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2731 [inline]
ffff88805cb38d28 (&dev->lock){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:40 [inline]
ffff88805cb38d28 (&dev->lock){+.+.}-{4:4}, at: dev_set_allmulti+0x11c/0x270 net/core/dev_api.c:279
other info that might help us debug this:
context-{5:5}
2 locks held by syz.1.1324/10803:
#0: ffffffff8fed6908 (rtnl_mutex){+.+.}-{4:4}, at: ip6_mroute_setsockopt+0xdfe/0x12a0 net/ipv6/ip6mr.c:1725
#1: ffffffff8eb392e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#1: ffffffff8eb392e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#1: ffffffff8eb392e0 (rcu_read_lock){....}-{1:3}, at: team_change_rx_flags+0x29/0x330 drivers/net/team/team_core.c:1781
stack backtrace:
CPU: 0 UID: 0 PID: 10803 Comm: syz.1.1324 Tainted: G W 6.14.0-rc5-syzkaller-01147-g8ef890df4031 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
print_lock_invalid_wait_context kernel/locking/lockdep.c:4828 [inline]
check_wait_context kernel/locking/lockdep.c:4900 [inline]
__lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5178
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
__mutex_lock_common kernel/locking/mutex.c:585 [inline]
__mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730
netdev_lock include/linux/netdevice.h:2731 [inline]
netdev_lock_ops include/net/netdev_lock.h:40 [inline]
dev_set_allmulti+0x11c/0x270 net/core/dev_api.c:279
team_change_rx_flags+0x1a8/0x330 drivers/net/team/team_core.c:1789
dev_change_rx_flags net/core/dev.c:9154 [inline]
netif_set_allmulti+0x20e/0x380 net/core/dev.c:9256
dev_set_allmulti+0x143/0x270 net/core/dev_api.c:280
mif6_add+0x22d/0xd60 net/ipv6/ip6mr.c:927
ip6_mroute_setsockopt+0xfad/0x12a0 net/ipv6/ip6mr.c:1726
do_ipv6_setsockopt+0x452/0x35b0 net/ipv6/ipv6_sockglue.c:415
ipv6_setsockopt+0x5d/0x170 net/ipv6/ipv6_sockglue.c:993
rawv6_setsockopt+0x2ac/0x690 net/ipv6/raw.c:1046
do_sock_setsockopt+0x3af/0x720 net/socket.c:2294
__sys_setsockopt net/socket.c:2319 [inline]
__do_sys_setsockopt net/socket.c:2325 [inline]
__se_sys_setsockopt net/socket.c:2322 [inline]
__x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2322
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd25ab8d169
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:00007fd25ba13038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fd25ada6160 RCX: 00007fd25ab8d169
RDX: 00000000000000ca RSI: 0000000000000029 RDI: 0000000000000004
RBP: 00007fd25ac0e2a0 R08: 000000000000000c R09: 0000000000000000
R10: 00004000000000c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fd25ada6160 R15: 00007ffc2b0a2928
netdevsim netdevsim1 netdevsim0: entered allmulticast mode
mac80211_hwsim hwsim11 wlan1: entered allmulticast mode