Re: [moderation/CI] Re: netfilter: ipset fixes, second batch
Aleksandr Nogikh <[email protected]>
| Newsgroups | dev.linux.lists.syzbot |
|---|---|
| Message-ID | <CANp29Y4nsWH-kq4gWWM4Mx_2sYgyDM5ChPdOW5aTj6An1x63Vw@mail.gmail.com> |
#syz upstream On Tue, Jun 9, 2026 at 8:09 PM syzbot ci <[email protected]> wrote: > > syzbot ci has tested the following series > > [v2] netfilter: ipset fixes, second batch > https://lore.kernel.org/all/[email protected] > * [PATCH v2 1/9] netfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types > * [PATCH v2 2/9] netfilter: ipset: Don't use test_bit() in lockless RCU readers in bitmap types > * [PATCH v2 3/9] netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() > * [PATCH v2 4/9] netfilter: ipset: Extend the rcu locked area properly > * [PATCH v2 5/9] netfilter: ipset: exlude gc when resize is in progress > * [PATCH v2 6/9] netfilter: ipset: fix potential double free at resize/del > * [PATCH v2 7/9] netfilter: ipset: make sure gc is properly stopped > * [PATCH v2 8/9] netfilter: ipset: fix potential torn read in reuse/forceadd cases > * [PATCH v2 9/9] netfilter: ipset: rework cidr bookkeeping > > and found the following issues: > * BUG: sleeping function called from invalid context in hash_ip4_resize > * BUG: sleeping function called from invalid context in hash_ipmark4_resize > * BUG: sleeping function called from invalid context in hash_ipport4_resize > * BUG: sleeping function called from invalid context in hash_ipportnet6_resize > * BUG: sleeping function called from invalid context in hash_net4_resize > > Full report is available here: > https://ci.syzbot.org/series/60ee40c9-c67a-4d2e-8c5c-7cbc4f2c35e3 > > *** > > BUG: sleeping function called from invalid context in hash_ip4_resize > > tree: nf-next > URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/netfilter/nf-next.git > base: bfa3d89cc15c09f7d1581c834a5ed725189ec19f > arch: amd64 > compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 > config: https://ci.syzbot.org/builds/63302f1b-7561-4e38-b3bc-890b9b65c7c1/config > syz repro: https://ci.syzbot.org/findings/3f7d3e03-c73e-47d2-a969-7c113b094a23/syz_repro > > BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:323 > in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5837, name: syz.0.17 > preempt_count: 201, expected: 0 > RCU nest depth: 0, expected: 0 > 2 locks held by syz.0.17/5837: > #0: ffffffff9a952da0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline] > #0: ffffffff9a952da0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293 > #1: ffff8881bbd48028 (&t->gc_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:348 [inline] > #1: ffff8881bbd48028 (&t->gc_lock){+...}-{3:3}, at: hash_ip4_resize+0x149/0x1a80 net/netfilter/ipset/ip_set_hash_gen.h:667 > Preemption disabled at: > [<0000000000000000>] 0x0 > CPU: 0 UID: 0 PID: 5837 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 > Call Trace: > <TASK> > dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 > __might_resched+0x378/0x4d0 kernel/sched/core.c:9163 > might_alloc include/linux/sched/mm.h:323 [inline] > slab_pre_alloc_hook mm/slub.c:4521 [inline] > slab_alloc_node mm/slub.c:4876 [inline] > __do_kmalloc_node mm/slub.c:5295 [inline] > __kvmalloc_node_noprof+0x164/0x8a0 mm/slub.c:6833 > hash_ip4_resize+0x278/0x1a80 net/netfilter/ipset/ip_set_hash_gen.h:682 > call_ad+0x562/0xb60 net/netfilter/ipset/ip_set_core.c:1758 > ip_set_ad+0x824/0x9d0 net/netfilter/ipset/ip_set_core.c:1842 > nfnetlink_rcv_msg+0xc03/0x12c0 net/netfilter/nfnetlink.c:300 > netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2556 > nfnetlink_rcv+0x2c0/0x27b0 net/netfilter/nfnetlink.c:667 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 > sock_sendmsg_nosec net/socket.c:787 [inline] > __sock_sendmsg net/socket.c:802 [inline] > ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 > ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 > __sys_sendmsg net/socket.c:2784 [inline] > __do_sys_sendmsg net/socket.c:2789 [inline] > __se_sys_sendmsg net/socket.c:2787 [inline] > __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7fb3ded9ce59 > Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007fb3dfcee028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007fb3df015fa0 RCX: 00007fb3ded9ce59 > RDX: 00000000240008c4 RSI: 0000200000000000 RDI: 0000000000000004 > RBP: 00007fb3dee32d6f R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007fb3df016038 R14: 00007fb3df015fa0 R15: 00007ffd0454d2c8 > </TASK> > INFO: trying to register non-static key. > The code is fine but needs lockdep annotation, or maybe > you didn't initialize this object before use? > turning off the locking correctness validator. > CPU: 0 UID: 0 PID: 5837 Comm: syz.0.17 Tainted: G W syzkaller #0 PREEMPT(full) > Tainted: [W]=WARN > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 > Call Trace: > <TASK> > dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 > assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984 > register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299 > __lock_acquire+0xad/0x2cf0 kernel/locking/lockdep.c:5112 > lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 > __raw_spin_lock_bh include/linux/spinlock_api_smp.h:150 [inline] > _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:182 > spin_lock_bh include/linux/spinlock.h:348 [inline] > hash_ip4_resize+0x149/0x1a80 net/netfilter/ipset/ip_set_hash_gen.h:667 > call_ad+0x463/0xb60 net/netfilter/ipset/ip_set_core.c:1758 > ip_set_ad+0x824/0x9d0 net/netfilter/ipset/ip_set_core.c:1842 > nfnetlink_rcv_msg+0xc03/0x12c0 net/netfilter/nfnetlink.c:300 > netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2556 > nfnetlink_rcv+0x2c0/0x27b0 net/netfilter/nfnetlink.c:667 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 > sock_sendmsg_nosec net/socket.c:787 [inline] > __sock_sendmsg net/socket.c:802 [inline] > ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 > ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 > __sys_sendmsg net/socket.c:2784 [inline] > __do_sys_sendmsg net/socket.c:2789 [inline] > __se_sys_sendmsg net/socket.c:2787 [inline] > __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7fb3ded9ce59 > Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007fb3dfcee028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007fb3df015fa0 RCX: 00007fb3ded9ce59 > RDX: 00000000240008c4 RSI: 0000200000000000 RDI: 0000000000000004 > RBP: 00007fb3dee32d6f R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007fb3df016038 R14: 00007fb3df015fa0 R15: 00007ffd0454d2c8 > </TASK> > Set syz1 is full, maxelem 65536 reached > > > *** > > BUG: sleeping function called from invalid context in hash_ipmark4_resize > > tree: nf-next > URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/netfilter/nf-next.git > base: bfa3d89cc15c09f7d1581c834a5ed725189ec19f > arch: amd64 > compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 > config: https://ci.syzbot.org/builds/63302f1b-7561-4e38-b3bc-890b9b65c7c1/config > syz repro: https://ci.syzbot.org/findings/57335612-22e3-4e78-a4ec-3d06321de960/syz_repro > > BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:323 > in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5839, name: syz.1.18 > preempt_count: 201, expected: 0 > RCU nest depth: 0, expected: 0 > 2 locks held by syz.1.18/5839: > #0: ffffffff9a952da0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline] > #0: ffffffff9a952da0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293 > #1: ffff888168150028 (&t->gc_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:348 [inline] > #1: ffff888168150028 (&t->gc_lock){+...}-{3:3}, at: hash_ipmark4_resize+0x13f/0x1ae0 net/netfilter/ipset/ip_set_hash_gen.h:667 > Preemption disabled at: > [<0000000000000000>] 0x0 > CPU: 1 UID: 0 PID: 5839 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 > Call Trace: > <TASK> > dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 > __might_resched+0x378/0x4d0 kernel/sched/core.c:9163 > might_alloc include/linux/sched/mm.h:323 [inline] > slab_pre_alloc_hook mm/slub.c:4521 [inline] > slab_alloc_node mm/slub.c:4876 [inline] > __do_kmalloc_node mm/slub.c:5295 [inline] > __kvmalloc_node_noprof+0x164/0x8a0 mm/slub.c:6833 > hash_ipmark4_resize+0x26f/0x1ae0 net/netfilter/ipset/ip_set_hash_gen.h:682 > call_ad+0x562/0xb60 net/netfilter/ipset/ip_set_core.c:1758 > ip_set_ad+0x824/0x9d0 net/netfilter/ipset/ip_set_core.c:1842 > nfnetlink_rcv_msg+0xc03/0x12c0 net/netfilter/nfnetlink.c:300 > netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2556 > nfnetlink_rcv+0x2c0/0x27b0 net/netfilter/nfnetlink.c:667 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 > sock_sendmsg_nosec net/socket.c:787 [inline] > __sock_sendmsg net/socket.c:802 [inline] > ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 > ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 > __sys_sendmsg net/socket.c:2784 [inline] > __do_sys_sendmsg net/socket.c:2789 [inline] > __se_sys_sendmsg net/socket.c:2787 [inline] > __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f37dad9ce59 > Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007f37dbd30028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007f37db015fa0 RCX: 00007f37dad9ce59 > RDX: 00000000040c0080 RSI: 00002000000002c0 RDI: 0000000000000004 > RBP: 00007f37dae32d6f R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007f37db016038 R14: 00007f37db015fa0 R15: 00007fff6c4f3458 > </TASK> > INFO: trying to register non-static key. > The code is fine but needs lockdep annotation, or maybe > you didn't initialize this object before use? > turning off the locking correctness validator. > CPU: 1 UID: 0 PID: 5839 Comm: syz.1.18 Tainted: G W syzkaller #0 PREEMPT(full) > Tainted: [W]=WARN > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 > Call Trace: > <TASK> > dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 > assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984 > register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299 > __lock_acquire+0xad/0x2cf0 kernel/locking/lockdep.c:5112 > lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 > __raw_spin_lock_bh include/linux/spinlock_api_smp.h:150 [inline] > _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:182 > spin_lock_bh include/linux/spinlock.h:348 [inline] > hash_ipmark4_resize+0x13f/0x1ae0 net/netfilter/ipset/ip_set_hash_gen.h:667 > call_ad+0x463/0xb60 net/netfilter/ipset/ip_set_core.c:1758 > ip_set_ad+0x824/0x9d0 net/netfilter/ipset/ip_set_core.c:1842 > nfnetlink_rcv_msg+0xc03/0x12c0 net/netfilter/nfnetlink.c:300 > netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2556 > nfnetlink_rcv+0x2c0/0x27b0 net/netfilter/nfnetlink.c:667 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 > sock_sendmsg_nosec net/socket.c:787 [inline] > __sock_sendmsg net/socket.c:802 [inline] > ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 > ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 > __sys_sendmsg net/socket.c:2784 [inline] > __do_sys_sendmsg net/socket.c:2789 [inline] > __se_sys_sendmsg net/socket.c:2787 [inline] > __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f37dad9ce59 > Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007f37dbd30028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007f37db015fa0 RCX: 00007f37dad9ce59 > RDX: 00000000040c0080 RSI: 00002000000002c0 RDI: 0000000000000004 > RBP: 00007f37dae32d6f R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007f37db016038 R14: 00007f37db015fa0 R15: 00007fff6c4f3458 > </TASK> > Set syz1 is full, maxelem 65536 reached > > > *** > > BUG: sleeping function called from invalid context in hash_ipport4_resize > > tree: nf-next > URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/netfilter/nf-next.git > base: bfa3d89cc15c09f7d1581c834a5ed725189ec19f > arch: amd64 > compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 > config: https://ci.syzbot.org/builds/63302f1b-7561-4e38-b3bc-890b9b65c7c1/config > syz repro: https://ci.syzbot.org/findings/79e04816-4100-48fa-8d49-43c546bef2fa/syz_repro > > BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:323 > in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5819, name: syz.2.19 > preempt_count: 201, expected: 0 > RCU nest depth: 0, expected: 0 > 2 locks held by syz.2.19/5819: > #0: ffffffff9a952da0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline] > #0: ffffffff9a952da0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293 > #1: ffff888116501828 (&t->gc_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:348 [inline] > #1: ffff888116501828 (&t->gc_lock){+...}-{3:3}, at: hash_ipport4_resize+0x13f/0x1ae0 net/netfilter/ipset/ip_set_hash_gen.h:667 > Preemption disabled at: > [<0000000000000000>] 0x0 > CPU: 0 UID: 0 PID: 5819 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full) > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 > Call Trace: > <TASK> > dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 > __might_resched+0x378/0x4d0 kernel/sched/core.c:9163 > might_alloc include/linux/sched/mm.h:323 [inline] > slab_pre_alloc_hook mm/slub.c:4521 [inline] > slab_alloc_node mm/slub.c:4876 [inline] > __do_kmalloc_node mm/slub.c:5295 [inline] > __kvmalloc_node_noprof+0x164/0x8a0 mm/slub.c:6833 > hash_ipport4_resize+0x219/0x1ae0 net/netfilter/ipset/ip_set_hash_gen.h:677 > call_ad+0x562/0xb60 net/netfilter/ipset/ip_set_core.c:1758 > ip_set_ad+0x824/0x9d0 net/netfilter/ipset/ip_set_core.c:1842 > nfnetlink_rcv_msg+0xc03/0x12c0 net/netfilter/nfnetlink.c:300 > netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2556 > nfnetlink_rcv+0x2c0/0x27b0 net/netfilter/nfnetlink.c:667 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 > sock_sendmsg_nosec net/socket.c:787 [inline] > __sock_sendmsg net/socket.c:802 [inline] > ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 > ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 > __sys_sendmsg net/socket.c:2784 [inline] > __do_sys_sendmsg net/socket.c:2789 [inline] > __se_sys_sendmsg net/socket.c:2787 [inline] > __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7fe5c739ce59 > Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007fe5c8339028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007fe5c7615fa0 RCX: 00007fe5c739ce59 > RDX: 0000000000000090 RSI: 00002000000002c0 RDI: 0000000000000004 > RBP: 00007fe5c7432d6f R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007fe5c7616038 R14: 00007fe5c7615fa0 R15: 00007ffd329f2868 > </TASK> > INFO: trying to register non-static key. > The code is fine but needs lockdep annotation, or maybe > you didn't initialize this object before use? > turning off the locking correctness validator. > CPU: 1 UID: 0 PID: 5819 Comm: syz.2.19 Tainted: G W syzkaller #0 PREEMPT(full) > Tainted: [W]=WARN > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 > Call Trace: > <TASK> > dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 > assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984 > register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299 > __lock_acquire+0xad/0x2cf0 kernel/locking/lockdep.c:5112 > lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 > __raw_spin_lock_bh include/linux/spinlock_api_smp.h:150 [inline] > _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:182 > spin_lock_bh include/linux/spinlock.h:348 [inline] > hash_ipport4_resize+0x13f/0x1ae0 net/netfilter/ipset/ip_set_hash_gen.h:667 > call_ad+0x463/0xb60 net/netfilter/ipset/ip_set_core.c:1758 > ip_set_ad+0x824/0x9d0 net/netfilter/ipset/ip_set_core.c:1842 > nfnetlink_rcv_msg+0xc03/0x12c0 net/netfilter/nfnetlink.c:300 > netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2556 > nfnetlink_rcv+0x2c0/0x27b0 net/netfilter/nfnetlink.c:667 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 > sock_sendmsg_nosec net/socket.c:787 [inline] > __sock_sendmsg net/socket.c:802 [inline] > ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 > ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 > __sys_sendmsg net/socket.c:2784 [inline] > __do_sys_sendmsg net/socket.c:2789 [inline] > __se_sys_sendmsg net/socket.c:2787 [inline] > __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7fe5c739ce59 > Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007fe5c8339028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007fe5c7615fa0 RCX: 00007fe5c739ce59 > RDX: 0000000000000090 RSI: 00002000000002c0 RDI: 0000000000000004 > RBP: 00007fe5c7432d6f R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007fe5c7616038 R14: 00007fe5c7615fa0 R15: 00007ffd329f2868 > </TASK> > > > *** > > BUG: sleeping function called from invalid context in hash_ipportnet6_resize > > tree: nf-next > URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/netfilter/nf-next.git > base: bfa3d89cc15c09f7d1581c834a5ed725189ec19f > arch: amd64 > compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 > config: https://ci.syzbot.org/builds/63302f1b-7561-4e38-b3bc-890b9b65c7c1/config > syz repro: https://ci.syzbot.org/findings/8502cd2b-1718-4dd7-8c57-c8f6d494a2b7/syz_repro > > BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:323 > in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5835, name: syz.1.18 > preempt_count: 201, expected: 0 > RCU nest depth: 0, expected: 0 > 2 locks held by syz.1.18/5835: > #0: ffffffff9a952da0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline] > #0: ffffffff9a952da0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293 > #1: ffff8881114d0028 (&t->gc_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:348 [inline] > #1: ffff8881114d0028 (&t->gc_lock){+...}-{3:3}, at: hash_ipportnet6_resize+0x170/0x1eb0 net/netfilter/ipset/ip_set_hash_gen.h:667 > Preemption disabled at: > [<0000000000000000>] 0x0 > CPU: 0 UID: 0 PID: 5835 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 > Call Trace: > <TASK> > dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 > __might_resched+0x378/0x4d0 kernel/sched/core.c:9163 > might_alloc include/linux/sched/mm.h:323 [inline] > slab_pre_alloc_hook mm/slub.c:4521 [inline] > slab_alloc_node mm/slub.c:4876 [inline] > __do_kmalloc_node mm/slub.c:5295 [inline] > __kvmalloc_node_noprof+0x164/0x8a0 mm/slub.c:6833 > hash_ipportnet6_resize+0x31d/0x1eb0 net/netfilter/ipset/ip_set_hash_gen.h:682 > call_ad+0x562/0xb60 net/netfilter/ipset/ip_set_core.c:1758 > ip_set_ad+0x824/0x9d0 net/netfilter/ipset/ip_set_core.c:1842 > nfnetlink_rcv_msg+0xc03/0x12c0 net/netfilter/nfnetlink.c:300 > netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2556 > nfnetlink_rcv+0x2c0/0x27b0 net/netfilter/nfnetlink.c:667 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 > sock_sendmsg_nosec net/socket.c:787 [inline] > __sock_sendmsg net/socket.c:802 [inline] > ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 > ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 > __sys_sendmsg net/socket.c:2784 [inline] > __do_sys_sendmsg net/socket.c:2789 [inline] > __se_sys_sendmsg net/socket.c:2787 [inline] > __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f27c6b9ce59 > Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007f27c7a44028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007f27c6e15fa0 RCX: 00007f27c6b9ce59 > RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000004 > RBP: 00007f27c6c32d6f R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007f27c6e16038 R14: 00007f27c6e15fa0 R15: 00007ffcb0b8a718 > </TASK> > INFO: trying to register non-static key. > The code is fine but needs lockdep annotation, or maybe > you didn't initialize this object before use? > turning off the locking correctness validator. > CPU: 0 UID: 0 PID: 5835 Comm: syz.1.18 Tainted: G W syzkaller #0 PREEMPT(full) > Tainted: [W]=WARN > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 > Call Trace: > <TASK> > dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 > assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984 > register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299 > __lock_acquire+0xad/0x2cf0 kernel/locking/lockdep.c:5112 > lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 > __raw_spin_lock_bh include/linux/spinlock_api_smp.h:150 [inline] > _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:182 > spin_lock_bh include/linux/spinlock.h:348 [inline] > hash_ipportnet6_resize+0x170/0x1eb0 net/netfilter/ipset/ip_set_hash_gen.h:667 > call_ad+0x463/0xb60 net/netfilter/ipset/ip_set_core.c:1758 > ip_set_ad+0x824/0x9d0 net/netfilter/ipset/ip_set_core.c:1842 > nfnetlink_rcv_msg+0xc03/0x12c0 net/netfilter/nfnetlink.c:300 > netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2556 > nfnetlink_rcv+0x2c0/0x27b0 net/netfilter/nfnetlink.c:667 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 > sock_sendmsg_nosec net/socket.c:787 [inline] > __sock_sendmsg net/socket.c:802 [inline] > ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 > ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 > __sys_sendmsg net/socket.c:2784 [inline] > __do_sys_sendmsg net/socket.c:2789 [inline] > __se_sys_sendmsg net/socket.c:2787 [inline] > __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f27c6b9ce59 > Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007f27c7a44028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007f27c6e15fa0 RCX: 00007f27c6b9ce59 > RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000004 > RBP: 00007f27c6c32d6f R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007f27c6e16038 R14: 00007f27c6e15fa0 R15: 00007ffcb0b8a718 > </TASK> > > > *** > > BUG: sleeping function called from invalid context in hash_net4_resize > > tree: nf-next > URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/netfilter/nf-next.git > base: bfa3d89cc15c09f7d1581c834a5ed725189ec19f > arch: amd64 > compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 > config: https://ci.syzbot.org/builds/63302f1b-7561-4e38-b3bc-890b9b65c7c1/config > syz repro: https://ci.syzbot.org/findings/230cf2b1-2c8b-4558-b095-874702f9bc7d/syz_repro > > BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:323 > in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5814, name: syz.1.18 > preempt_count: 201, expected: 0 > RCU nest depth: 0, expected: 0 > 2 locks held by syz.1.18/5814: > #0: ffffffff9a952da0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnl_lock net/netfilter/nfnetlink.c:96 [inline] > #0: ffffffff9a952da0 (nfnl_subsys_ipset){+.+.}-{4:4}, at: nfnetlink_rcv_msg+0xa71/0x12c0 net/netfilter/nfnetlink.c:293 > #1: ffff88816a8df028 (&t->gc_lock){+...}-{3:3}, at: spin_lock_bh include/linux/spinlock.h:348 [inline] > #1: ffff88816a8df028 (&t->gc_lock){+...}-{3:3}, at: hash_net4_resize+0x168/0x1bb0 net/netfilter/ipset/ip_set_hash_gen.h:667 > Preemption disabled at: > [<0000000000000000>] 0x0 > CPU: 1 UID: 0 PID: 5814 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 > Call Trace: > <TASK> > dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 > __might_resched+0x378/0x4d0 kernel/sched/core.c:9163 > might_alloc include/linux/sched/mm.h:323 [inline] > slab_pre_alloc_hook mm/slub.c:4521 [inline] > slab_alloc_node mm/slub.c:4876 [inline] > __do_kmalloc_node mm/slub.c:5295 [inline] > __kvmalloc_node_noprof+0x164/0x8a0 mm/slub.c:6833 > hash_net4_resize+0x26e/0x1bb0 net/netfilter/ipset/ip_set_hash_gen.h:677 > call_ad+0x562/0xb60 net/netfilter/ipset/ip_set_core.c:1758 > ip_set_ad+0x824/0x9d0 net/netfilter/ipset/ip_set_core.c:1842 > nfnetlink_rcv_msg+0xc03/0x12c0 net/netfilter/nfnetlink.c:300 > netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2556 > nfnetlink_rcv+0x2c0/0x27b0 net/netfilter/nfnetlink.c:667 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 > sock_sendmsg_nosec net/socket.c:787 [inline] > __sock_sendmsg net/socket.c:802 [inline] > ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 > ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 > __sys_sendmsg net/socket.c:2784 [inline] > __do_sys_sendmsg net/socket.c:2789 [inline] > __se_sys_sendmsg net/socket.c:2787 [inline] > __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7fe472d9ce59 > Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007fe473bc7028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007fe473015fa0 RCX: 00007fe472d9ce59 > RDX: 0000000004000050 RSI: 0000200000000000 RDI: 0000000000000003 > RBP: 00007fe472e32d6f R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007fe473016038 R14: 00007fe473015fa0 R15: 00007ffcba742758 > </TASK> > INFO: trying to register non-static key. > The code is fine but needs lockdep annotation, or maybe > you didn't initialize this object before use? > turning off the locking correctness validator. > CPU: 1 UID: 0 PID: 5814 Comm: syz.1.18 Tainted: G W syzkaller #0 PREEMPT(full) > Tainted: [W]=WARN > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 > Call Trace: > <TASK> > dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 > assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984 > register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299 > __lock_acquire+0xad/0x2cf0 kernel/locking/lockdep.c:5112 > lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868 > __raw_spin_lock_bh include/linux/spinlock_api_smp.h:150 [inline] > _raw_spin_lock_bh+0x36/0x50 kernel/locking/spinlock.c:182 > spin_lock_bh include/linux/spinlock.h:348 [inline] > hash_net4_resize+0x168/0x1bb0 net/netfilter/ipset/ip_set_hash_gen.h:667 > call_ad+0x463/0xb60 net/netfilter/ipset/ip_set_core.c:1758 > ip_set_ad+0x824/0x9d0 net/netfilter/ipset/ip_set_core.c:1842 > nfnetlink_rcv_msg+0xc03/0x12c0 net/netfilter/nfnetlink.c:300 > netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2556 > nfnetlink_rcv+0x2c0/0x27b0 net/netfilter/nfnetlink.c:667 > netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] > netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1345 > netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 > sock_sendmsg_nosec net/socket.c:787 [inline] > __sock_sendmsg net/socket.c:802 [inline] > ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698 > ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752 > __sys_sendmsg net/socket.c:2784 [inline] > __do_sys_sendmsg net/socket.c:2789 [inline] > __se_sys_sendmsg net/socket.c:2787 [inline] > __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2787 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7fe472d9ce59 > Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007fe473bc7028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e > RAX: ffffffffffffffda RBX: 00007fe473015fa0 RCX: 00007fe472d9ce59 > RDX: 0000000004000050 RSI: 0000200000000000 RDI: 0000000000000003 > RBP: 00007fe472e32d6f R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 > R13: 00007fe473016038 R14: 00007fe473015fa0 R15: 00007ffcba742758 > </TASK> > Set syz1 is full, maxelem 65536 reached > > > *** > > If these findings have caused you to resend the series or submit a > separate fix, please add the following tag to your commit message: > Tested-by: [email protected] > > --- > This report is generated by a bot. It may contain errors. > syzbot ci engineers can be reached at [email protected]. > > To test a patch for this bug, please reply with `#syz test` > (should be on a separate line). > > The patch should be attached to the email. > Note: arguments like custom git repos and branches are not supported. > > The email will later be sent to: > [[email protected] [email protected] [email protected]] > > If the report looks fine to you, reply with: > #syz upstream > > If the report is a false positive, reply with > #syz invalid > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-upstream-moderation" group. > To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. > To view this discussion visit https://groups.google.com/d/msgid/syzkaller-upstream-moderation/6a2856e7.39669fcc.33b062.009a.GAE%40google.com.