BUG: sleeping function called from invalid context at arch/x86/mm/fault.c:1333 in_atomic(): 0, irqs_disabled(): 0, pid: 8423, name: syz-executor.1 3 locks held by syz-executor.1/8423: #0: 000000008ee545dd (&table[i].mutex){+.+.}, at: nfnl_lock net/netfilter/nfnetlink.c:62 [inline] #0: 000000008ee545dd (&table[i].mutex){+.+.}, at: nfnetlink_rcv_msg+0x9c1/0xf4b net/netfilter/nfnetlink.c:223 #1: 000000009fa5a94e (rcu_read_lock){....}, at: ctnetlink_create_conntrack+0x199/0x1280 net/netfilter/nf_conntrack_netlink.c:1929 #2: 000000008e5f607f (&mm->mmap_sem){++++}, at: __do_page_fault+0x39b/0xdd0 arch/x86/mm/fault.c:1319 Preemption disabled at: [] rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1076 [inline] [] rcu_lockdep_current_cpu_online+0x32/0x1b0 kernel/rcu/tree.c:1068 CPU: 0 PID: 8423 Comm: syz-executor.1 Not tainted 4.19.107-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+0x188/0x20d lib/dump_stack.c:118 ___might_sleep.cold+0x1bd/0x1f9 kernel/sched/core.c:6192 __do_page_fault+0x3c6/0xdd0 arch/x86/mm/fault.c:1333 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1204 RIP: 0010:0xb848405b8b Code: Bad RIP value. RSP: 0018:ffff888044c871d8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90008097000 RDX: 1ffffffff0bb13bf RSI: ffff888044c87210 RDI: ffff888044c87260 RBP: ffff88809224db00 R08: ffff888044c78540 R09: ffff888044c87260 R10: ffffed1008990e51 R11: ffff888044c8728f R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff85d89dc0 R15: ffff888044c87210 BUG: unable to handle kernel paging request at 000000b848405b8b PGD 0 P4D 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8423 Comm: syz-executor.1 Tainted: G W 4.19.107-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:0xb848405b8b Code: Bad RIP value. RSP: 0018:ffff888044c871d8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90008097000 RDX: 1ffffffff0bb13bf RSI: ffff888044c87210 RDI: ffff888044c87260 RBP: ffff88809224db00 R08: ffff888044c78540 R09: ffff888044c87260 R10: ffffed1008990e51 R11: ffff888044c8728f R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff85d89dc0 R15: ffff888044c87210 FS: 00007f8f5bac2700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000b848405b61 CR3: 0000000099eed000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Modules linked in: CR2: 000000b848405b8b ---[ end trace 5ecbc0798616c9c2 ]--- RIP: 0010:0xb848405b8b Code: Bad RIP value. RSP: 0018:ffff888044c871d8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90008097000 RDX: 1ffffffff0bb13bf RSI: ffff888044c87210 RDI: ffff888044c87260 RBP: ffff88809224db00 R08: ffff888044c78540 R09: ffff888044c87260 R10: ffffed1008990e51 R11: ffff888044c8728f R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff85d89dc0 R15: ffff888044c87210 FS: 00007f8f5bac2700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000076c000 CR3: 0000000099eed000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400