Extracting prog: 22m25.390624467s
Minimizing prog: 1h32m35.275300295s
Simplifying prog options: 0s
Extracting C: 3m34.380809219s
Simplifying C: 33m14.949166783s


extracting reproducer from 30 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-prlimit64-socket$nl_generic-prctl$PR_SCHED_CORE-ioctl$TIOCSETD-socket$nl_route-socket$inet_udp-syz_usb_connect-socket$nl_route-sendmsg$nl_route-socket$inet6_icmp_raw-setsockopt$inet6_int-getpid-sched_setscheduler-mmap-syz_clone-sched_setattr-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-epoll_create1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$dma_heap-ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL-ptrace$poke-bpf$BPF_PROG_QUERY-ioctl$DMA_HEAP_IOCTL_ALLOC-epoll_ctl$EPOLL_CTL_ADD-epoll_pwait2
detailed listing:
executing program 0:
getpgrp(0x0)
prlimit64(0x0, 0xe, &(0x7f0000000100)={0x8, 0x80000100008b}, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0)
r0 = socket$nl_route(0x10, 0x3, 0x0)
socket$inet_udp(0x2, 0x2, 0x0)
syz_usb_connect(0x5, 0x0, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=ANY=[@ANYBLOB="280000001000010800"/20, @ANYRES32=0x0, @ANYBLOB="0000000000004b327c1b812d07cf0000"], 0x28}}, 0x0)
r1 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
setsockopt$inet6_int(r1, 0x29, 0xd4, &(0x7f0000004680)=0x80, 0x4)
r2 = getpid()
sched_setscheduler(r2, 0x2, &(0x7f0000000000)=0x3)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
r3 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
sched_setattr(r2, &(0x7f0000000240)={0x38, 0x0, 0x4, 0x5, 0x9, 0x8, 0x2, 0x3, 0x2, 0x6}, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r3, 0x1, 0x0)
r4 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r4, &(0x7f0000019680)=""/102392, 0x18ff8)
r5 = epoll_create1(0x80000)
r6 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000380)=[{0x6, 0x0, 0x0, 0x7fffffff}]})
r7 = openat$dma_heap(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(0xffffffffffffffff, 0x89f2, &(0x7f0000000440)={'gretap0\x00', &(0x7f0000000480)={'ip_vti0\x00', <r8=>0x0, 0x80, 0x20, 0x1, 0x1c000, {{0x13, 0x4, 0x1, 0x3e, 0x4c, 0x64, 0x0, 0x1, 0x4, 0x0, @empty, @empty, {[@generic={0x88, 0xf, "e445805636a6bcd588acb04047"}, @rr={0x7, 0x27, 0xa4, [@local, @empty, @local, @multicast2, @multicast2, @multicast2, @initdev={0xac, 0x1e, 0x1, 0x0}, @broadcast, @dev={0xac, 0x14, 0x14, 0x3e}]}]}}}}})
ptrace$poke(0x4, r2, &(0x7f0000000080), 0x8)
bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000340)={@ifindex=r8, 0x2e, 0x0, 0x0, &(0x7f0000000080), 0x0, 0x0, &(0x7f0000000200)=[0x0, 0x0, 0x0, 0x0], &(0x7f0000000280)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f00000002c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, 0x40)
ioctl$DMA_HEAP_IOCTL_ALLOC(r7, 0xc0184800, &(0x7f0000000040)={0x4, <r9=>r6, 0x1})
epoll_ctl$EPOLL_CTL_ADD(r5, 0x1, r9, &(0x7f0000000140)={0xa000201e})
epoll_pwait2(r5, &(0x7f0000000180)=[{}], 0x1, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$iommufd-mkdir-mkdir-mkdir-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mount$overlay-creat-mq_open-mq_open-chdir-lchown-ioctl$IOMMU_IOAS_ALLOC-ioctl$IOMMU_TEST_OP_MOCK_DOMAIN-ioctl$IOMMU_HWPT_ALLOC$NONE-syz_pidfd_open-ioctl$IOMMU_HWPT_ALLOC$TEST
detailed listing:
executing program 0:
r0 = openat$iommufd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
mkdir(&(0x7f0000000400)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mkdir(&(0x7f0000000400)='./file1\x00', 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={<r2=>0xffffffffffffffff, <r3=>0xffffffffffffffff})
connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000340), 0x0, &(0x7f0000000080)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]})
creat(&(0x7f0000000440)='./file0/file0\x00', 0x188)
mq_open(&(0x7f0000000380)='eth0\x00#\x13\xaeu\xe0\xfbu0*\xf3\x11i\xdd\xd9\xc6\x87\xde\xbf_\xa0\xf6\xdfk\xbf.\"\xa6\xc0#p\xcd\x1c/\xa6\xf2\xbcyL\x85a\xb5\xbb~+>\xbc\x93\xf8\xab\x9a3\x85l\x1d\x15\x11\x1a{@!2\xb6!\xae\xf79k\x90\x88\v8I$\xfdQ\x1d\x90=r\xd8\xc0\xd8\t/\x8dv\xb8\x93\xc3C\xae\x9dc\xd1T\xdd\x14\xd3A=z\xee\xbd/X\xbemOX)s\x94\xde\xbe_\v\x01\xbe\xeb\bLTrw\x88\x9e0\t\xc6\xe2\x9c\xed\\\xd8[\xc8\x04 \xf3\xac]V\x1d:\xfc\xc3\x9e\x02\ax\xef\xfe\x1c.TT\x01\x00\x00\x00a%\xdcQ\xb3CuT\xcc7\x8avs\xb2\a\xfe\xb3j*\xad\x18I\xcc\xe9\xaa{]\xef\xb7\xf2\xee*\xf95\bJt\xd0s\xc4\xaa\xc8\x13~\xb2\xf20\xbdf\xdb\xaeG\xe3\xfb\xef\x94\xef:Q\x1b\xe3\xa3\xa4}\xef`e\xcdL\xab\xdb\r\xf2y\x9fg1\xf4\t\x18i/!\x13\xf1,\x8cu\xaa\xbf~)\x94\x1b2\x93\x86\xe7\x9a\xf2j\xa8\x96\xa6\xa2\xfcN\x81\xafTh\xb3\x1bo:\xe8\vq7S\xe4H\xf3L\xa0\x9c\x97B\x12\x10\x9d\xaa\x7fq\x06\xb9(\xf6\x1c\x83\xb1J\xec\x926\xb5a0\xa0B\xae|\x00\x17\xc0\xa3\xd5\xf9\xaa\x98/\xa4v\xe4)I\xf3+[e\x95\x89\x99\xca\x8e\xc5\xd3\\T\xf0\x1a|5\xfff\xff\x99\xa4\xbb\x9e#oR\xa4\xf1\xba\x04c\xb3-\xf7R\xb85\xb5\xdb\xe9?\xfa/\xdf\xb4R\xbfx=\v_j\x8e\xb0\'\xf4\xe5\xff!\xe1\xbf\x82e\xb1\x9b\x8d\xf3L\t\xd21\x9cbwV\xc8\xcc\xe4\x96M_w\xbc\xdf9\b\r\xf6\x95\xae\xb5,\x92\x8c\xc0DQm\x80\xd1w\xa2\x1a\x12Z\xe5\xf4H\xf7D\n\x96J\x93\xfb\xf0$\x9f\xf7\xa2\xae$O\xa3\xb6\xf5\x98\xd3\v\x00\x86\xa5\x8b\x81\x04\xaf\x03s\xe5\x86>\x0e\xa6\xe6\x1aV\x17\x8b\xed\xa7\'\xd0\r_\xe8,XVR\x13\xe5%\xb9\x88\xb8W@D\'\x17A\xc8\x80\x02J\xd4V\x00wH(\xc5v\f\xc9\xb6\xdf..$\xe6P(_\xf1\'\xc1:\xa3\xcb\xd9\xd1\xc7\x13\x99Md\x1dc\xf1\'j\x03!\x13\xd1\xb8\xbf\xe6\xb2M\b/\rp\xa5\x00\x00\x00\x00', 0x40, 0x9, 0x0)
mq_open(&(0x7f00000007c0)='eth0\x00\xdd\xad4=2k\xf1\x05\x9b\x91y\xe1;F\xa2\x8df\xe9\x8a\xe0U\xbc%\x05%\xfei\x96\xb0\x04\x00\x00\x00\x00\x0078z=\x8f\xd5F\xa4AR\xc7\x9f.\xdc\xdb\"A\x16\xd8\x19\xf1lZ\xc8\x93\xda\xf2\xc9\xe8h[u8\xc6\xfa\x9ep\xbe\a\xe2\xf5\xa3Y\x9f\xe1\x04gM\x99K$\r\xf1G\xee\xe1\xbd\x1e\xdf\xe1\x9c\x19\xda\xd3\x94EL\xca\x88\x85Q\x02\xd9L\x90\xeb%/\xb1\xeb\x11uP7\x1f\xd9b\xebF\xf8\x88\xf0\xac.\x94\xfc\v\xb1W\xef~+n\xb1\x9b\x02n]xr\xb3\x80\xbc>\xe8XX\xe6\x12\xf3\xc9\xd5\xf8\xd1\x8d\xcb9\xbf\xb0(<\xeb\x92\x8a\x16\xb7\x11^\xb6\xb7n\xd5\xb5\x00[\xdf\x94\x00\r\x95\x17\xa1h\xf8\x00\x00\x00\"\xa0\x05\xcc^\x90c\xc9}\xb8\ny\xf4\xe1\xb4.\xa4\a\x05\xbb}\x91\xf4C\xf5O\xf1a\x12\b\x86\xa16\xbb}C\xc9\x1d\\\xedD\x14\xb1w\x1e\xa0\xc1E\xb5\xf8\xab\xfb\xd9\x93\xb8vJ\x85p\xb5n\x1b\xe4\xd5g\xae\xe4\xeb\xca\xae\x1bs\xd4\xf0\xc0\xdag\x19R4\xd4\xd4\x04\xfc\x04Zb\xf6\xba\xf8B\xf6YU\xcd\xf2\xdb\xb5\xa2\x96yU\x9c\x0f\xda\xdf\x8dD\xef`\x13\x15$\xceq\xd7j\xd7\xe3V', 0x80, 0x1a, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
lchown(&(0x7f0000000000)='./file0\x00', 0x0, 0x0)
ioctl$IOMMU_IOAS_ALLOC(r0, 0x3b81, &(0x7f00000000c0)={0xc, 0x0, <r4=>0x0})
ioctl$IOMMU_TEST_OP_MOCK_DOMAIN(r0, 0x3ba0, &(0x7f0000000100)={0x48, 0x2, r4, 0x0, 0x0, 0x0, <r5=>0x0})
ioctl$IOMMU_HWPT_ALLOC$NONE(r0, 0x3b89, &(0x7f0000000040)={0x28, 0x1, r5, r4, <r6=>0x0, 0x0, 0x0, 0x0, 0x0})
syz_pidfd_open(r1, 0x0)
ioctl$IOMMU_HWPT_ALLOC$TEST(r0, 0x3b89, &(0x7f0000000200)={0x28, 0x0, r5, r6, 0x0, 0x0, 0xdead, 0x4, &(0x7f0000000240)})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): madvise-syz_genetlink_get_family_id$nl80211-socket$nl_generic-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL-madvise-openat$sequencer2-syz_open_dev$sndmidi-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-ioctl$KVM_GET_STATS_FD_cpu-write$vhost_msg_v2-io_uring_enter-madvise-syz_clone
detailed listing:
executing program 0:
madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0xa)
r0 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000000)={'wlan1\x00', <r2=>0x0})
sendmsg$NL80211_CMD_REMAIN_ON_CHANNEL(r1, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000300)={0x2c, r0, 0x1, 0x0, 0x0, {{0x2}, {@val={0x8, 0x3, r2}, @void}}, [@chandef_params=[@NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8, 0x27, 0x4000000}, @NL80211_ATTR_WIPHY_FREQ={0x8}]]}, 0x2c}}, 0x0)
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
openat$sequencer2(0xffffffffffffff9c, &(0x7f00000005c0), 0x0, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000040), 0x80000001, 0x90000)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0, 0x13}], 0x2)
r4 = ioctl$KVM_GET_STATS_FD_cpu(0xffffffffffffffff, 0xaece)
write$vhost_msg_v2(r4, &(0x7f00000001c0)={0x2, 0x0, {&(0x7f00000000c0)=""/73, 0x49, &(0x7f0000000140)=""/89, 0x3, 0x2}}, 0x48)
io_uring_enter(0xffffffffffffffff, 0x47ba, 0x3e80, 0x0, 0x0, 0x0)
madvise(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x16)
syz_clone(0xa0001000, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-syz_open_procfs-sched_setscheduler-getpid-timer_create-fcntl$lock-mprotect-timer_settime-mmap-mount$9p_tcp
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
syz_open_procfs(0x0, &(0x7f0000001600)='fdinfo/3\x00')
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
getpid()
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)
mount$9p_tcp(&(0x7f00000002c0), &(0x7f0000000300)='./cgroup.cpu/cgroup.procs\x00', &(0x7f00000004c0), 0x0, &(0x7f0000001380)=ANY=[@ANYBLOB="7472616e733d7463702c706f72743d3078303030303030303030303030346532322c63616368653d667363616368652c00c5c45d10948e444c7c9c77d0f331ca7cc2518d62576c904edb0b26a96b6115fd3f2dbd3598783a0fc5332f7ca1f4c929bb1b8b05980d6aaa33aac79b3004"])

program crashed: INFO: rcu detected stall in newfstatat
single: successfully extracted reproducer
found reproducer with 12 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-syz_open_procfs-sched_setscheduler-getpid-timer_create-fcntl$lock-mprotect-timer_settime-mmap
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
syz_open_procfs(0x0, &(0x7f0000001600)='fdinfo/3\x00')
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
getpid()
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x300000b, 0x204031, 0xffffffffffffffff, 0xec776000)

program crashed: INFO: rcu detected stall in wb_workfn
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-syz_open_procfs-sched_setscheduler-getpid-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
syz_open_procfs(0x0, &(0x7f0000001600)='fdinfo/3\x00')
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
getpid()
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in kthread
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-syz_open_procfs-sched_setscheduler-getpid-timer_create-fcntl$lock-mprotect
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
syz_open_procfs(0x0, &(0x7f0000001600)='fdinfo/3\x00')
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
getpid()
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300))
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-syz_open_procfs-sched_setscheduler-getpid-timer_create-fcntl$lock-timer_settime
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
syz_open_procfs(0x0, &(0x7f0000001600)='fdinfo/3\x00')
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
getpid()
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-syz_open_procfs-sched_setscheduler-getpid-timer_create-mprotect-timer_settime
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
syz_open_procfs(0x0, &(0x7f0000001600)='fdinfo/3\x00')
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
getpid()
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-syz_open_procfs-sched_setscheduler-getpid-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
syz_open_procfs(0x0, &(0x7f0000001600)='fdinfo/3\x00')
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
getpid()
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-syz_open_procfs-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
syz_open_procfs(0x0, &(0x7f0000001600)='fdinfo/3\x00')
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-syz_open_procfs-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
syz_open_procfs(0x0, &(0x7f0000001600)='fdinfo/3\x00')
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in schedule_timeout
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r0}, 0x10)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r1=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r1, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000001340)='syzkaller\x00', 0x0, 0x0, 0x0, 0x40f00, 0x0, '\x00', 0x0, 0x2}, 0x94)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in cfg80211_wiphy_work
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, 0x0, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, 0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(0x0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
program crashed: INFO: rcu detected stall in corrupted
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
program crashed: INFO: rcu detected stall in schedule_timeout
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
program crashed: INFO: rcu detected stall in exit_to_user_mode_loop
a never seen crash title: INFO: rcu detected stall in exit_to_user_mode_loop, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
program crashed: INFO: rcu detected stall in prepare_to_swait_event
a never seen crash title: INFO: rcu detected stall in prepare_to_swait_event, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program crashed: WARNING in rcu_check_gp_start_stall
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-fcntl$lock-mprotect-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x102}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7)
timer_create(0x0, &(0x7f00000000c0)={0x0, 0x21, 0x2, @thr={0x0, 0x0}}, &(0x7f0000000300)=<r0=>0x0)
fcntl$lock(0xffffffffffffffff, 0x6, &(0x7f0000000040)={0x0, 0x0, 0x60d3, 0x5})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
timer_settime(r0, 0x1, &(0x7f0000000040)={{0x77359400}, {0x77359400}}, 0x0)

program crashed: INFO: rcu detected stall in rtnl_getlink
validation run: crashed=true
reproducing took 2h40m54.443453526s
repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5942/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=9681, q=384 ncpus=2)
task:syz-executor    state:R  running task     stack:23944 pid:5942  tgid:5942  ppid:5939   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190
 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__kasan_check_byte+0x0/0x50 mm/kasan/common.c:571
Code: 8d 74 15 00 5d ba fe 00 00 00 41 5c 41 5d e9 47 34 00 00 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 40 d6 41 54 49 89 f4 55 48 89 fd 53 e8 fd 24 00 00 89 c3 84
RSP: 0018:ffffc90003156d50 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffffff8e3c9620 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff816cb681 RDI: ffffffff8e3c9620
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc90003156e90 R11: ffff88802bba0b30 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 kasan_check_byte include/linux/kasan.h:401 [inline]
 lock_acquire kernel/locking/lockdep.c:5842 [inline]
 lock_acquire+0xfc/0x330 kernel/locking/lockdep.c:5825
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:867 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1195 [inline]
 unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479
 __unwind_start+0x45f/0x7f0 arch/x86/kernel/unwind_orc.c:758
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0x73/0x100 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:56
 kasan_save_track+0x14/0x30 mm/kasan/common.c:77
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:252 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:284
 kasan_slab_free include/linux/kasan.h:234 [inline]
 slab_free_hook mm/slub.c:2540 [inline]
 slab_free mm/slub.c:6668 [inline]
 kfree+0x2f8/0x6e0 mm/slub.c:6876
 skb_kfree_head net/core/skbuff.c:1068 [inline]
 skb_free_head+0x114/0x210 net/core/skbuff.c:1080
 pskb_expand_head+0x3c4/0xf80 net/core/skbuff.c:2314
 netlink_trim+0x231/0x2f0 net/netlink/af_netlink.c:1299
 netlink_unicast+0xcb/0x870 net/netlink/af_netlink.c:1334
 nlmsg_unicast include/net/netlink.h:1198 [inline]
 rtnl_unicast net/core/rtnetlink.c:949 [inline]
 rtnl_getlink+0x974/0xb80 net/core/rtnetlink.c:4199
 rtnetlink_rcv_msg+0x3c9/0xe90 net/core/rtnetlink.c:6967
 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg net/socket.c:742 [inline]
 __sys_sendto+0x4a3/0x520 net/socket.c:2206
 __do_sys_sendto net/socket.c:2213 [inline]
 __se_sys_sendto net/socket.c:2209 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2209
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f50bfb915dc
RSP: 002b:00007ffc22be7400 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f50c0914620 RCX: 00007f50bfb915dc
RDX: 0000000000000020 RSI: 00007f50c0914670 RDI: 0000000000000005
RBP: 0000000000000000 R08: 00007ffc22be7454 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000005
R13: 00007ffc22be74bc R14: 00007f50c0914670 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 10550 jiffies! g9681 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:29112 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190
 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:rcu_gp_fqs_check_wake kernel/rcu/tree.c:1998 [inline]
RIP: 0010:rcu_gp_fqs_loop+0x201/0xaf0 kernel/rcu/tree.c:2083
Code: 0c 48 85 c0 74 2a 4d 85 ff 74 25 4c 89 ff e8 16 34 d6 09 49 89 c7 ba 02 04 00 00 4c 89 ee 48 c7 c7 58 4b 3d 8e e8 7f 82 f2 ff <40> f6 c5 04 74 b1 4c 89 ee 48 c7 c7 58 4b 3d 8e e8 3a 25 f2 ff b9
RSP: 0018:ffffc90000157c28 EFLAGS: 00000286
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff8dacb6cd RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff90887cd7 R11: ffff88801d6f8b30 R12: ffffffff8e011280
R13: ffffc90000157ca8 R14: 0000000000000001 R15: 0000000000000001
 rcu_gp_kthread+0x26d/0x380 kernel/rcu/tree.c:2285
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline]
RIP: 0010:smp_call_function_many_cond+0xdfd/0x15e0 kernel/smp.c:877
Code: 57 48 8b 54 24 10 4c 89 74 24 10 49 89 d5 48 89 d5 48 89 54 24 18 49 c1 ed 03 83 e5 07 4d 01 e5 83 c5 03 e8 b5 5a 0c 00 f3 90 <41> 0f b6 45 00 40 38 c5 7c 08 84 c0 0f 85 b6 05 00 00 8b 43 08 31
RSP: 0018:ffffc90000ab7808 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b84431e0 RCX: ffffffff81b28931
RDX: ffff88801eecc980 RSI: ffffffff81b2890b RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: ffff88801eecd4b0 R12: dffffc0000000000
R13: ffffed101708863d R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881249fd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000058 CR3: 000000000e184000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1043
 on_each_cpu include/linux/smp.h:71 [inline]
 smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2711 [inline]
 smp_text_poke_batch_finish+0x27b/0xdb0 arch/x86/kernel/alternative.c:2921
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x376/0x550 kernel/jump_label.c:919
 static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:210
 static_key_enable+0x1a/0x20 kernel/jump_label.c:223
 toggle_allocation_gate mm/kfence/core.c:874 [inline]
 toggle_allocation_gate+0xfa/0x280 mm/kfence/core.c:866
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>

final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5942/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=9681, q=384 ncpus=2)
task:syz-executor    state:R  running task     stack:23944 pid:5942  tgid:5942  ppid:5939   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190
 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__kasan_check_byte+0x0/0x50 mm/kasan/common.c:571
Code: 8d 74 15 00 5d ba fe 00 00 00 41 5c 41 5d e9 47 34 00 00 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 40 d6 41 54 49 89 f4 55 48 89 fd 53 e8 fd 24 00 00 89 c3 84
RSP: 0018:ffffc90003156d50 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffffff8e3c9620 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffffff816cb681 RDI: ffffffff8e3c9620
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc90003156e90 R11: ffff88802bba0b30 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 kasan_check_byte include/linux/kasan.h:401 [inline]
 lock_acquire kernel/locking/lockdep.c:5842 [inline]
 lock_acquire+0xfc/0x330 kernel/locking/lockdep.c:5825
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:867 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1195 [inline]
 unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479
 __unwind_start+0x45f/0x7f0 arch/x86/kernel/unwind_orc.c:758
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0x73/0x100 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:56
 kasan_save_track+0x14/0x30 mm/kasan/common.c:77
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:252 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:284
 kasan_slab_free include/linux/kasan.h:234 [inline]
 slab_free_hook mm/slub.c:2540 [inline]
 slab_free mm/slub.c:6668 [inline]
 kfree+0x2f8/0x6e0 mm/slub.c:6876
 skb_kfree_head net/core/skbuff.c:1068 [inline]
 skb_free_head+0x114/0x210 net/core/skbuff.c:1080
 pskb_expand_head+0x3c4/0xf80 net/core/skbuff.c:2314
 netlink_trim+0x231/0x2f0 net/netlink/af_netlink.c:1299
 netlink_unicast+0xcb/0x870 net/netlink/af_netlink.c:1334
 nlmsg_unicast include/net/netlink.h:1198 [inline]
 rtnl_unicast net/core/rtnetlink.c:949 [inline]
 rtnl_getlink+0x974/0xb80 net/core/rtnetlink.c:4199
 rtnetlink_rcv_msg+0x3c9/0xe90 net/core/rtnetlink.c:6967
 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg net/socket.c:742 [inline]
 __sys_sendto+0x4a3/0x520 net/socket.c:2206
 __do_sys_sendto net/socket.c:2213 [inline]
 __se_sys_sendto net/socket.c:2209 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2209
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f50bfb915dc
RSP: 002b:00007ffc22be7400 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f50c0914620 RCX: 00007f50bfb915dc
RDX: 0000000000000020 RSI: 00007f50c0914670 RDI: 0000000000000005
RBP: 0000000000000000 R08: 00007ffc22be7454 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000005
R13: 00007ffc22be74bc R14: 00007f50c0914670 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 10550 jiffies! g9681 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:29112 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190
 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:rcu_gp_fqs_check_wake kernel/rcu/tree.c:1998 [inline]
RIP: 0010:rcu_gp_fqs_loop+0x201/0xaf0 kernel/rcu/tree.c:2083
Code: 0c 48 85 c0 74 2a 4d 85 ff 74 25 4c 89 ff e8 16 34 d6 09 49 89 c7 ba 02 04 00 00 4c 89 ee 48 c7 c7 58 4b 3d 8e e8 7f 82 f2 ff <40> f6 c5 04 74 b1 4c 89 ee 48 c7 c7 58 4b 3d 8e e8 3a 25 f2 ff b9
RSP: 0018:ffffc90000157c28 EFLAGS: 00000286
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff8dacb6cd RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff90887cd7 R11: ffff88801d6f8b30 R12: ffffffff8e011280
R13: ffffc90000157ca8 R14: 0000000000000001 R15: 0000000000000001
 rcu_gp_kthread+0x26d/0x380 kernel/rcu/tree.c:2285
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline]
RIP: 0010:smp_call_function_many_cond+0xdfd/0x15e0 kernel/smp.c:877
Code: 57 48 8b 54 24 10 4c 89 74 24 10 49 89 d5 48 89 d5 48 89 54 24 18 49 c1 ed 03 83 e5 07 4d 01 e5 83 c5 03 e8 b5 5a 0c 00 f3 90 <41> 0f b6 45 00 40 38 c5 7c 08 84 c0 0f 85 b6 05 00 00 8b 43 08 31
RSP: 0018:ffffc90000ab7808 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b84431e0 RCX: ffffffff81b28931
RDX: ffff88801eecc980 RSI: ffffffff81b2890b RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: ffff88801eecd4b0 R12: dffffc0000000000
R13: ffffed101708863d R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881249fd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000058 CR3: 000000000e184000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1043
 on_each_cpu include/linux/smp.h:71 [inline]
 smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2711 [inline]
 smp_text_poke_batch_finish+0x27b/0xdb0 arch/x86/kernel/alternative.c:2921
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x376/0x550 kernel/jump_label.c:919
 static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:210
 static_key_enable+0x1a/0x20 kernel/jump_label.c:223
 toggle_allocation_gate mm/kfence/core.c:874 [inline]
 toggle_allocation_gate+0xfa/0x280 mm/kfence/core.c:866
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>