Hello,
kernel test robot noticed "BUG:sleeping_function_called_from_invalid_context_at_include/linux/sched/mm.h" on:
commit: f3ec4051049a8cc013993b615303b283770c6482 ("[PATCH 2/2] wifi: cfg80211: simplify cfg80211_mlme_register_mgmt()")
url: https://github.com/intel-lab-lkp/linux/commits/Dmitry-Antipov/wifi-cfg80211-simplify-cfg80211_mlme_register_mgmt/20241210-225049
base: https://git.kernel.org/cgit/linux/kernel/git/wireless/wireless-next.git main
patch link: https://lore.kernel.org/all/20241210143951.5685-2-dmantipov@xxxxxxxxx/
patch subject: [PATCH 2/2] wifi: cfg80211: simplify cfg80211_mlme_register_mgmt()
in testcase: hwsim
version: hwsim-x86_64-4ea2c336d-1_20241103
with following parameters:
test: group-24
config: x86_64-rhel-9.4-func
compiler: gcc-12
test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790 v3 @ 3.60GHz (Haswell) with 6G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202412311225.52d0fafe-lkp@xxxxxxxxx
[ 86.645507][ T5533] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:321
[ 86.653092][ T5537] ieee80211 phy1: mac80211_hwsim_start
[ 86.654820][ T5533] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5533, name: wpa_supplicant
[ 86.660121][ T5537] ieee80211 phy1: mac80211_hwsim_add_interface (type=2 mac_addr=02:00:00:00:01:00)
[ 86.660169][ T5537] ieee80211 phy1: mac80211_hwsim_link_info_changed(changed=0xe vif->addr=02:00:00:00:01:00, link id 0)
[ 86.669338][ T5533] preempt_count: 201, expected: 0
[ 86.669350][ T5533] RCU nest depth: 0, expected: 0
[ 86.669353][ T5533] CPU: 5 UID: 0 PID: 5533 Comm: wpa_supplicant Tainted: G S 6.13.0-rc1-00077-gf3ec4051049a #1
[ 86.678470][ T5537] ieee80211 phy1: ERP_CTS_PROT: 0
[ 86.689309][ T5533] Tainted: [S]=CPU_OUT_OF_SPEC
[ 86.689311][ T5533] Hardware name: Dell Inc. OptiPlex 9020/03CPWF, BIOS A11 04/01/2015
[ 86.689312][ T5533] Call Trace:
[ 86.689314][ T5533] <TASK>
[ 86.689326][ T5533] dump_stack_lvl (lib/dump_stack.c:123 (discriminator 1))
[ 86.694193][ T5537] ieee80211 phy1: ERP_PREAMBLE: 0
[ 86.698967][ T5533] __might_resched (kernel/sched/core.c:8759)
[ 86.698984][ T5533] __kmalloc_noprof (include/linux/kernel.h:73 include/linux/sched/mm.h:321 include/linux/sched/mm.h:316 mm/slub.c:4055 mm/slub.c:4133 mm/slub.c:4282 mm/slub.c:4295)
[ 86.710436][ T5537] ieee80211 phy1: ERP_SLOT: 0
[ 86.715468][ T5533] ? __pfx__raw_spin_lock_bh (kernel/locking/spinlock.c:177)
[ 86.715473][ T5533] ? cfg80211_mlme_register_mgmt (include/linux/slab.h:905 net/wireless/mlme.c:708) cfg80211
[ 86.720106][ T5537] ieee80211 phy1: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2)
[ 86.727993][ T5533] ? cfg80211_mlme_register_mgmt (include/linux/slab.h:905 net/wireless/mlme.c:708) cfg80211
[ 86.731138][ T5537] ieee80211 phy1: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2)
[ 86.733922][ T5533] cfg80211_mlme_register_mgmt (include/linux/slab.h:905 net/wireless/mlme.c:708) cfg80211
[ 86.738276][ T5537] ieee80211 phy1: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2)
[ 86.743313][ T5533] nl80211_register_mgmt (net/wireless/nl80211.c:12697) cfg80211
[ 86.747938][ T5537] ieee80211 phy1: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2)
[ 86.752614][ T5533] ? nl80211_pre_doit (net/wireless/nl80211.c:16626) cfg80211
[ 86.757317][ T5537] ieee80211 phy1: mac80211_hwsim_link_info_changed(changed=0x2000 vif->addr=02:00:00:00:01:00, link id 0)
[ 86.762609][ T5533] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1117)
[ 86.769392][ T5537] ieee80211 phy1: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static)
[ 86.778848][ T5533] ? __pfx_genl_family_rcv_msg_doit (net/netlink/genetlink.c:1088)
[ 86.785649][ T11] ieee80211 phy1: mac80211_hwsim_configure_filter
[ 86.795082][ T5533] ? security_capable (security/security.c:1142)
[ 86.795090][ T5533] genl_family_rcv_msg (net/netlink/genetlink.c:1195)
[ 86.801696][ T11] ieee80211 phy1: mac80211_hwsim_configure_filter
[ 86.811153][ T5533] ? __sys_sendmsg (net/socket.c:2654)
[ 86.811174][ T5533] ? __pfx_genl_family_rcv_msg (net/netlink/genetlink.c:1160)
[ 86.897075][ T5533] ? netlink_sendmsg (net/netlink/af_netlink.c:1866)
[ 86.901865][ T5533] ? ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2583)
[ 86.906664][ T5533] ? ___sys_sendmsg (net/socket.c:2639)
[ 86.911279][ T5533] ? __pfx_nl80211_pre_doit (net/wireless/nl80211.c:16536) cfg80211
[ 86.917589][ T5533] ? __pfx_nl80211_register_mgmt (net/wireless/nl80211.c:12655) cfg80211
[ 86.924312][ T5533] ? __pfx_nl80211_post_doit (net/wireless/nl80211.c:16638) cfg80211
[ 86.930688][ T5533] ? is_bpf_text_address (kernel/bpf/core.c:769)
[ 86.935653][ T5533] genl_rcv_msg (net/netlink/genetlink.c:65 net/netlink/genetlink.c:1211)
[ 86.939928][ T5533] netlink_rcv_skb (net/netlink/af_netlink.c:2542)
[ 86.944544][ T5533] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201)
[ 86.949418][ T5533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2519)
[ 86.954555][ T5533] ? __pfx_down_read (kernel/locking/rwsem.c:1522)
[ 86.959169][ T5533] ? __pfx_netlink_lookup (net/netlink/af_netlink.c:514)
[ 86.964214][ T5533] ? _copy_from_iter (arch/x86/include/asm/uaccess_64.h:126 arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:55 include/linux/iov_iter.h:30 include/linux/iov_iter.h:300 include/linux/iov_iter.h:328 lib/iov_iter.c:249 lib/iov_iter.c:260)
[ 86.969090][ T5533] genl_rcv (net/netlink/genetlink.c:1220)
[ 86.972925][ T5533] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1347)
[ 86.977540][ T5533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1332)
[ 86.982673][ T5533] ? 0xffffffff81000000
[ 86.986678][ T5533] ? __check_object_size (mm/memremap.c:421)
[ 86.992336][ T5533] netlink_sendmsg (net/netlink/af_netlink.c:1891)
[ 86.996950][ T5533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1810)
[ 87.002083][ T5533] ? __import_iovec (lib/iov_iter.c:1438 lib/iov_iter.c:1454)
[ 87.006782][ T5533] ? _inline_copy_from_user (arch/x86/include/asm/uaccess_64.h:134 arch/x86/include/asm/uaccess_64.h:134 arch/x86/include/asm/uaccess_64.h:141 include/linux/uaccess.h:178)
[ 87.012003][ T5533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1810)
[ 87.017135][ T5533] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2583)
[ 87.021749][ T5533] ? __pfx_____sys_sendmsg (net/socket.c:2529)
[ 87.026895][ T5533] ? __pfx_copy_msghdr_from_user (net/socket.c:2509)
[ 87.032559][ T5533] ? copy_from_sockptr_offset (include/linux/sockptr.h:51)
[ 87.039082][ T5533] ___sys_sendmsg (net/socket.c:2639)
[ 87.043523][ T5533] ? __pfx____sys_sendmsg (net/socket.c:2626)
[ 87.048571][ T5533] ? do_sock_setsockopt (net/socket.c:2282)
[ 87.053617][ T5533] ? do_sock_setsockopt (net/socket.c:2282)
[ 87.058664][ T5533] ? __pfx_do_sock_setsockopt (net/socket.c:2282)
[ 87.064055][ T5533] ? up_write (arch/x86/include/asm/atomic64_64.h:87 include/linux/atomic/atomic-arch-fallback.h:2852 include/linux/atomic/atomic-long.h:268 include/linux/atomic/atomic-instrumented.h:3391 kernel/locking/rwsem.c:1372 kernel/locking/rwsem.c:1630)
[ 87.068064][ T5533] ? fdget (include/linux/atomic/atomic-arch-fallback.h:479 include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145 fs/file.c:1159)
[ 87.071898][ T5533] ? fdget (include/linux/atomic/atomic-arch-fallback.h:479 include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145 fs/file.c:1159)
[ 87.075742][ T5533] __sys_sendmsg (net/socket.c:2669)
[ 87.080182][ T5533] ? __pfx___sys_sendmsg (net/socket.c:2654)
[ 87.085144][ T5533] ? ksys_write (fs/read_write.c:731)
[ 87.089412][ T5533] ? __pfx_ksys_write (fs/read_write.c:721)
[ 87.094112][ T5533] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 87.098466][ T5533] ? syscall_exit_to_user_mode (arch/x86/include/asm/irqflags.h:37 arch/x86/include/asm/irqflags.h:92 include/linux/entry-common.h:232 kernel/entry/common.c:206 kernel/entry/common.c:218)
[ 87.103947][ T5533] ? do_syscall_64 (arch/x86/entry/common.c:102)
[ 87.108474][ T5533] ? __count_memcg_events (arch/x86/include/asm/atomic64_64.h:15 include/linux/atomic/atomic-arch-fallback.h:2583 include/linux/atomic/atomic-instrumented.h:1611 mm/memcontrol.c:569 mm/memcontrol.c:594 mm/memcontrol.c:857)
[ 87.113694][ T5533] ? handle_mm_fault (mm/memory.c:5986 mm/memory.c:6138)
[ 87.118482][ T5533] ? do_user_addr_fault (include/linux/rcupdate.h:882 include/linux/mm.h:741 arch/x86/mm/fault.c:1340)
[ 87.123530][ T5533] ? exc_page_fault (arch/x86/include/asm/irqflags.h:37 arch/x86/include/asm/irqflags.h:92 arch/x86/mm/fault.c:1489 arch/x86/mm/fault.c:1539)
[ 87.128058][ T5533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 87.133802][ T5533] RIP: 0033:0x7fdd421a8af0
[ 87.138067][ T5533] Code: 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 80 3d f1 fa 0c 00 00 74 17 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 89 54
All code
========
0: 00 f7 add %dh,%bh
2: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4)
6: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
d: eb b7 jmp 0xffffffffffffffc6
f: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
16: 00 00 00
19: 90 nop
1a: 80 3d f1 fa 0c 00 00 cmpb $0x0,0xcfaf1(%rip) # 0xcfb12
21: 74 17 je 0x3a
23: b8 2e 00 00 00 mov $0x2e,%eax
28: 0f 05 syscall
2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
30: 77 58 ja 0x8a
32: c3 ret
33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
3a: 48 83 ec 28 sub $0x28,%rsp
3e: 89 .byte 0x89
3f: 54 push %rsp
Code starting with the faulting instruction
===========================================
0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
6: 77 58 ja 0x60
8: c3 ret
9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
10: 48 83 ec 28 sub $0x28,%rsp
14: 89 .byte 0x89
15: 54 push %rsp
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20241231/202412311225.52d0fafe-lkp@xxxxxxxxx
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
