Hello, syzbot found the following issue on: HEAD commit: 43fb83c17ba2 Merge tag 'soc-arm-6.13' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17da1b78580000 kernel config: https://syzkaller.appspot.com/x/.config?x=e796b1bf154f93a7 dashboard link: https://syzkaller.appspot.com/bug?extid=84d0441b9860f0d63285 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/cdcbc016316b/disk-43fb83c1.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f82505daa7c2/vmlinux-43fb83c1.xz kernel image: https://storage.googleapis.com/syzbot-assets/74b0b41d70c6/bzImage-43fb83c1.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+84d0441b9860f0d63285@xxxxxxxxxxxxxxxxxxxxxxxxx check_preemption_disabled: 3425 callbacks suppressed BUG: using smp_processor_id() in preemptible [00000000] code: syz.3.1627/12102 caller is nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 CPU: 1 UID: 0 PID: 12102 Comm: syz.3.1627 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49 nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook+0x2c4/0x450 include/linux/netfilter.h:269 NF_HOOK_COND include/linux/netfilter.h:302 [inline] ip_output+0x185/0x230 net/ipv4/ip_output.c:434 ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1496 udp_send_skb+0xab6/0x1630 net/ipv4/udp.c:984 udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1272 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2581 ___sys_sendmsg net/socket.c:2635 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2724 __do_sys_sendmmsg net/socket.c:2751 [inline] __se_sys_sendmmsg net/socket.c:2748 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2748 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: 0033:0x7f1c1ff7e819 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:00007f1c20db5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f1c20135fa0 RCX: 00007f1c1ff7e819 RDX: 000000000000002d RSI: 0000000020007fc0 RDI: 0000000000000007 RBP: 00007f1c1fff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1c20135fa0 R15: 00007ffef663cd18 </TASK> BUG: using smp_processor_id() in preemptible [00000000] code: syz.3.1627/12102 caller is nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 CPU: 0 UID: 0 PID: 12102 Comm: syz.3.1627 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49 nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook+0x2c4/0x450 include/linux/netfilter.h:269 NF_HOOK_COND include/linux/netfilter.h:302 [inline] ip_output+0x185/0x230 net/ipv4/ip_output.c:434 ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1496 udp_send_skb+0xab6/0x1630 net/ipv4/udp.c:984 udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1272 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2581 ___sys_sendmsg net/socket.c:2635 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2724 __do_sys_sendmmsg net/socket.c:2751 [inline] __se_sys_sendmmsg net/socket.c:2748 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2748 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: 0033:0x7f1c1ff7e819 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:00007f1c20db5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f1c20135fa0 RCX: 00007f1c1ff7e819 RDX: 000000000000002d RSI: 0000000020007fc0 RDI: 0000000000000007 RBP: 00007f1c1fff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1c20135fa0 R15: 00007ffef663cd18 </TASK> BUG: using smp_processor_id() in preemptible [00000000] code: syz.3.1627/12102 caller is nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 CPU: 0 UID: 0 PID: 12102 Comm: syz.3.1627 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49 nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook+0x2c4/0x450 include/linux/netfilter.h:269 NF_HOOK_COND include/linux/netfilter.h:302 [inline] ip_output+0x185/0x230 net/ipv4/ip_output.c:434 ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1496 udp_send_skb+0xab6/0x1630 net/ipv4/udp.c:984 udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1272 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2581 ___sys_sendmsg net/socket.c:2635 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2724 __do_sys_sendmmsg net/socket.c:2751 [inline] __se_sys_sendmmsg net/socket.c:2748 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2748 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: 0033:0x7f1c1ff7e819 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:00007f1c20db5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f1c20135fa0 RCX: 00007f1c1ff7e819 RDX: 000000000000002d RSI: 0000000020007fc0 RDI: 0000000000000007 RBP: 00007f1c1fff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1c20135fa0 R15: 00007ffef663cd18 </TASK> BUG: using smp_processor_id() in preemptible [00000000] code: syz.3.1627/12102 caller is nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 CPU: 0 UID: 0 PID: 12102 Comm: syz.3.1627 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49 nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook+0x2c4/0x450 include/linux/netfilter.h:269 NF_HOOK_COND include/linux/netfilter.h:302 [inline] ip_output+0x185/0x230 net/ipv4/ip_output.c:434 ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1496 udp_send_skb+0xab6/0x1630 net/ipv4/udp.c:984 udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1272 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2581 ___sys_sendmsg net/socket.c:2635 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2724 __do_sys_sendmmsg net/socket.c:2751 [inline] __se_sys_sendmmsg net/socket.c:2748 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2748 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: 0033:0x7f1c1ff7e819 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:00007f1c20db5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f1c20135fa0 RCX: 00007f1c1ff7e819 RDX: 000000000000002d RSI: 0000000020007fc0 RDI: 0000000000000007 RBP: 00007f1c1fff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1c20135fa0 R15: 00007ffef663cd18 </TASK> BUG: using smp_processor_id() in preemptible [00000000] code: syz.3.1627/12102 caller is nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 CPU: 0 UID: 0 PID: 12102 Comm: syz.3.1627 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49 nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook+0x2c4/0x450 include/linux/netfilter.h:269 NF_HOOK_COND include/linux/netfilter.h:302 [inline] ip_output+0x185/0x230 net/ipv4/ip_output.c:434 ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1496 udp_send_skb+0xab6/0x1630 net/ipv4/udp.c:984 udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1272 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2581 ___sys_sendmsg net/socket.c:2635 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2724 __do_sys_sendmmsg net/socket.c:2751 [inline] __se_sys_sendmmsg net/socket.c:2748 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2748 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: 0033:0x7f1c1ff7e819 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:00007f1c20db5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f1c20135fa0 RCX: 00007f1c1ff7e819 RDX: 000000000000002d RSI: 0000000020007fc0 RDI: 0000000000000007 RBP: 00007f1c1fff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1c20135fa0 R15: 00007ffef663cd18 </TASK> BUG: using smp_processor_id() in preemptible [00000000] code: syz.3.1627/12102 caller is nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 CPU: 0 UID: 0 PID: 12102 Comm: syz.3.1627 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49 nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook+0x2c4/0x450 include/linux/netfilter.h:269 NF_HOOK_COND include/linux/netfilter.h:302 [inline] ip_output+0x185/0x230 net/ipv4/ip_output.c:434 ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1496 udp_send_skb+0xab6/0x1630 net/ipv4/udp.c:984 udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1272 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2581 ___sys_sendmsg net/socket.c:2635 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2724 __do_sys_sendmmsg net/socket.c:2751 [inline] __se_sys_sendmmsg net/socket.c:2748 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2748 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: 0033:0x7f1c1ff7e819 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:00007f1c20db5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f1c20135fa0 RCX: 00007f1c1ff7e819 RDX: 000000000000002d RSI: 0000000020007fc0 RDI: 0000000000000007 RBP: 00007f1c1fff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1c20135fa0 R15: 00007ffef663cd18 </TASK> BUG: using smp_processor_id() in preemptible [00000000] code: syz.3.1627/12102 caller is nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 CPU: 0 UID: 0 PID: 12102 Comm: syz.3.1627 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49 nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook+0x2c4/0x450 include/linux/netfilter.h:269 NF_HOOK_COND include/linux/netfilter.h:302 [inline] ip_output+0x185/0x230 net/ipv4/ip_output.c:434 ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1496 udp_send_skb+0xab6/0x1630 net/ipv4/udp.c:984 udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1272 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2581 ___sys_sendmsg net/socket.c:2635 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2724 __do_sys_sendmmsg net/socket.c:2751 [inline] __se_sys_sendmmsg net/socket.c:2748 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2748 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: 0033:0x7f1c1ff7e819 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:00007f1c20db5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f1c20135fa0 RCX: 00007f1c1ff7e819 RDX: 000000000000002d RSI: 0000000020007fc0 RDI: 0000000000000007 RBP: 00007f1c1fff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1c20135fa0 R15: 00007ffef663cd18 </TASK> BUG: using smp_processor_id() in preemptible [00000000] code: syz.3.1627/12102 caller is nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 CPU: 0 UID: 0 PID: 12102 Comm: syz.3.1627 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49 nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook+0x2c4/0x450 include/linux/netfilter.h:269 NF_HOOK_COND include/linux/netfilter.h:302 [inline] ip_output+0x185/0x230 net/ipv4/ip_output.c:434 ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1496 udp_send_skb+0xab6/0x1630 net/ipv4/udp.c:984 udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1272 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2581 ___sys_sendmsg net/socket.c:2635 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2724 __do_sys_sendmmsg net/socket.c:2751 [inline] __se_sys_sendmmsg net/socket.c:2748 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2748 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: 0033:0x7f1c1ff7e819 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:00007f1c20db5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f1c20135fa0 RCX: 00007f1c1ff7e819 RDX: 000000000000002d RSI: 0000000020007fc0 RDI: 0000000000000007 RBP: 00007f1c1fff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1c20135fa0 R15: 00007ffef663cd18 </TASK> BUG: using smp_processor_id() in preemptible [00000000] code: syz.3.1627/12102 caller is nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 CPU: 0 UID: 0 PID: 12102 Comm: syz.3.1627 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49 nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook+0x2c4/0x450 include/linux/netfilter.h:269 NF_HOOK_COND include/linux/netfilter.h:302 [inline] ip_output+0x185/0x230 net/ipv4/ip_output.c:434 ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1496 udp_send_skb+0xab6/0x1630 net/ipv4/udp.c:984 udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1272 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2581 ___sys_sendmsg net/socket.c:2635 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2724 __do_sys_sendmmsg net/socket.c:2751 [inline] __se_sys_sendmmsg net/socket.c:2748 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2748 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: 0033:0x7f1c1ff7e819 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:00007f1c20db5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f1c20135fa0 RCX: 00007f1c1ff7e819 RDX: 000000000000002d RSI: 0000000020007fc0 RDI: 0000000000000007 RBP: 00007f1c1fff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1c20135fa0 R15: 00007ffef663cd18 </TASK> BUG: using smp_processor_id() in preemptible [00000000] code: syz.3.1627/12102 caller is nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 CPU: 1 UID: 0 PID: 12102 Comm: syz.3.1627 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 check_preemption_disabled+0x10e/0x120 lib/smp_processor_id.c:49 nft_inner_eval+0xda/0x18e0 net/netfilter/nft_inner.c:251 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x4ad/0x1da0 net/netfilter/nf_tables_core.c:288 nft_do_chain_ipv4+0x202/0x320 net/netfilter/nft_chain_filter.c:23 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626 nf_hook+0x2c4/0x450 include/linux/netfilter.h:269 NF_HOOK_COND include/linux/netfilter.h:302 [inline] ip_output+0x185/0x230 net/ipv4/ip_output.c:434 ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x74/0x100 net/ipv4/ip_output.c:1496 udp_send_skb+0xab6/0x1630 net/ipv4/udp.c:984 udp_sendmsg+0x1c21/0x2a60 net/ipv4/udp.c:1272 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2581 ___sys_sendmsg net/socket.c:2635 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2724 __do_sys_sendmmsg net/socket.c:2751 [inline] __se_sys_sendmmsg net/socket.c:2748 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2748 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: 0033:0x7f1c1ff7e819 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:00007f1c20db5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f1c20135fa0 RCX: 00007f1c1ff7e819 RDX: 000000000000002d RSI: 0000000020007fc0 RDI: 0000000000000007 RBP: 00007f1c1fff175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1c20135fa0 R15: 00007ffef663cd18 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup