batman_adv: batadv0: Interface activated: batadv_slave_0 batman_adv: batadv0: Interface activated: batadv_slave_1 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:256 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4065, name: syz-executor336 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor336/4065: #0: ffffffff8c4fc610 (cb_lock){++++}-{3:3}, at: genl_rcv+0x10/0x30 net/netlink/genetlink.c:802 #1: ffffffff8c4fc6c8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8c4fc6c8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x315/0x4a0 net/netlink/genetlink.c:790 #2: ffff888019b32218 (&pnettable->lock){+.+.}-{2:2}, at: smc_pnet_add_eth net/smc/smc_pnet.c:373 [inline] #2: ffff888019b32218 (&pnettable->lock){+.+.}-{2:2}, at: smc_pnet_enter net/smc/smc_pnet.c:495 [inline] #2: ffff888019b32218 (&pnettable->lock){+.+.}-{2:2}, at: smc_pnet_add+0x3b7/0x1360 net/smc/smc_pnet.c:558 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 4065 Comm: syz-executor336 Not tainted 5.17.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9576 might_alloc include/linux/sched/mm.h:256 [inline] slab_pre_alloc_hook mm/slab.h:705 [inline] slab_alloc_node mm/slub.c:3144 [inline] slab_alloc mm/slub.c:3238 [inline] kmem_cache_alloc_trace+0x25d/0x2c0 mm/slub.c:3255 kmalloc include/linux/slab.h:581 [inline] kzalloc include/linux/slab.h:715 [inline] ref_tracker_alloc+0xd6/0x380 lib/ref_tracker.c:77 netdev_tracker_alloc include/linux/netdevice.h:3860 [inline] smc_pnet_add_eth net/smc/smc_pnet.c:384 [inline] smc_pnet_enter net/smc/smc_pnet.c:495 [inline] smc_pnet_add+0x62e/0x1360 net/smc/smc_pnet.c:558 genl_family_rcv_msg_doit+0x1e4/0x2f0 net/netlink/genetlink.c:731 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0x27a/0x4a0 net/netlink/genetlink.c:792 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2494 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline] netlink_unicast+0x430/0x700 net/netlink/af_netlink.c:1343 netlink_sendmsg+0x770/0xc10 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:725 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2413 ___sys_sendmsg+0xd3/0x150 net/socket.c:2467 __sys_sendmsg+0xb2/0x140 net/socket.c:2496 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f666434b499 Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc618fabb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ffc618fabc8 RCX: 00007f666434b499 RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc618fabd0 R13: 00007ffc618fabf0 R14: 0000000000000000 R15: 0000000000000000