Extracting prog: 26m28.829512164s Minimizing prog: 26m47.856767677s Simplifying prog options: 9m59.352479965s Extracting C: 4m14.938833274s Simplifying C: 0s 30 programs, timeouts [6m0s] 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-dup-syz_usb_control_io-write$UHID_INPUT detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8fcf"], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) r2 = dup(r1) syz_usb_control_io(r0, 0x0, 0x0) write$UHID_INPUT(r2, &(0x7f0000001980)={0x9, {"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", 0x1000}}, 0x1006) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_tcp-socket$nl_generic-syz_genetlink_get_family_id$nl80211-ioctl$sock_SIOCGIFINDEX_80211-sendmsg$NL80211_CMD_JOIN_IBSS detailed listing: executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000000), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, &(0x7f00000000c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_JOIN_IBSS(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000940)={0x60, r2, 0x101, 0x0, 0x0, {{}, {@val={0x8, 0x3, r3}, @void}}, [@NL80211_ATTR_PRIVACY={0x4}, @NL80211_ATTR_KEYS={0x2c, 0x51, 0x0, 0x1, [{0x28, 0x0, 0x0, 0x1, [@NL80211_KEY_IDX={0x5}, @NL80211_KEY_DATA_WEP104={0x11, 0x1, "a7fd4531296b6353d1f3e08847"}, @NL80211_KEY_CIPHER={0x8, 0x3, 0xfac0a}]}]}, @NL80211_ATTR_SSID={0xa, 0x34, @default_ap_ssid}, @chandef_params=[@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x994}]]}, 0x60}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): unshare-mmap-pipe-socket$inet_tcp-getsockopt$IPT_SO_GET_INFO detailed listing: executing program 0: unshare(0x62040200) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) pipe(0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$IPT_SO_GET_INFO(r0, 0x0, 0x40, &(0x7f0000000000)={'nat\x00', 0x7003}, &(0x7f0000000100)=0x54) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): preadv-openat$uhid-write$UHID_CREATE-syz_usb_connect_ath9k-write$UHID_INPUT2 detailed listing: executing program 0: preadv(0xffffffffffffffff, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000400), 0x2, 0x0) write$UHID_CREATE(r0, &(0x7f00000002c0)={0x0, {'syz0\x00', 'syz0\x00', 'syz1\x00', &(0x7f0000000240)=""/11, 0xb, 0x0, 0x0, 0x0, 0x0, 0x8000}}, 0x120) syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000100)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) write$UHID_INPUT2(r0, &(0x7f0000000500)=ANY=[@ANYBLOB="0c000000a9"], 0xaf) program crashed: INFO: task hung in corrupted single: successfully extracted reproducer found reproducer with 5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): preadv-openat$uhid-write$UHID_CREATE-syz_usb_connect_ath9k detailed listing: executing program 0: preadv(0xffffffffffffffff, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000400), 0x2, 0x0) write$UHID_CREATE(r0, &(0x7f00000002c0)={0x0, {'syz0\x00', 'syz0\x00', 'syz1\x00', &(0x7f0000000240)=""/11, 0xb, 0x0, 0x0, 0x0, 0x0, 0x8000}}, 0x120) syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000100)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): preadv-openat$uhid-write$UHID_CREATE detailed listing: executing program 0: preadv(0xffffffffffffffff, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000400), 0x2, 0x0) write$UHID_CREATE(r0, &(0x7f00000002c0)={0x0, {'syz0\x00', 'syz0\x00', 'syz1\x00', &(0x7f0000000240)=""/11, 0xb, 0x0, 0x0, 0x0, 0x0, 0x8000}}, 0x120) 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): preadv-openat$uhid-syz_usb_connect_ath9k detailed listing: executing program 0: preadv(0xffffffffffffffff, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) openat$uhid(0xffffffffffffff9c, &(0x7f0000000400), 0x2, 0x0) syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000100)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) program crashed: INFO: rcu detected stall in sk_skb_reason_drop 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): preadv-syz_usb_connect_ath9k detailed listing: executing program 0: preadv(0xffffffffffffffff, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0) syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000100)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) program crashed: INFO: task hung 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect_ath9k detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000100)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect_ath9k detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x0, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect_ath9k program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode a never seen crash title: INFO: rcu detected stall in syscall_exit_to_user_mode, ignore simplifying guilty program options testing 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect_ath9k detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000100)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) program crashed: INFO: rcu detected stall in nsim_fib_event_work a never seen crash title: INFO: rcu detected stall in nsim_fib_event_work, ignore testing 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect_ath9k detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000100)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) program did not crash reproducing took 1h7m30.977617598s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P5462 } 2696 jiffies s: 9729 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): report is corrupted, running repro again 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect_ath9k detailed listing: executing program 0: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000100)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 1, t=10502 jiffies, g=14577, q=2121 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10370 (4294978369-4294967999), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10370 jiffies! g14577 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R running task stack:26640 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0xe37/0x5490 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6621 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2581 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2034 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2236 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 UID: 0 PID: 5527 Comm: syz.1.26 Not tainted 6.11.0-rc5-syzkaller-00050-g3ec3f5fc4a91 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__orc_find+0x0/0x130 arch/x86/kernel/unwind_orc.c:85 Code: a2 4d 00 48 8b 03 5b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <41> 57 41 56 49 89 fe 41 55 41 54 49 89 cc 55 53 89 d3 48 83 ec 18 RSP: 0018:ffffc90000a18798 EFLAGS: 00000202 RAX: 000000000001135d RBX: ffffc90000a18820 RCX: ffffffff814ebc95 RDX: 0000000000000001 RSI: ffffffff90a40692 RDI: ffffffff90235648 RBP: 0000000000000002 R08: 0000000000000004 R09: 0000000000004ebc R10: 00000000000a4000 R11: 0000000000000000 R12: ffffffff814ebc95 R13: ffffffff90a40692 R14: 000000000001135d R15: ffffc90000a18855 FS: 0000555589c35500(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31d5ffff CR3: 000000007b586000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: orc_find arch/x86/kernel/unwind_orc.c:227 [inline] unwind_next_frame+0x335/0x23a0 arch/x86/kernel/unwind_orc.c:494 arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579 poison_slab_object+0xf7/0x160 mm/kasan/common.c:240 __kasan_slab_free+0x32/0x50 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2252 [inline] slab_free mm/slub.c:4473 [inline] kmem_cache_free+0x12f/0x3a0 mm/slub.c:4548 kfree_skbmem+0x1a4/0x1f0 net/core/skbuff.c:1146 __kfree_skb net/core/skbuff.c:1203 [inline] consume_skb net/core/skbuff.c:1426 [inline] consume_skb+0xdd/0x160 net/core/skbuff.c:1420 mac80211_hwsim_tx_frame+0x1f3/0x2a0 drivers/net/wireless/virtual/mac80211_hwsim.c:2216 __mac80211_hwsim_beacon_tx drivers/net/wireless/virtual/mac80211_hwsim.c:2232 [inline] mac80211_hwsim_beacon_tx+0x592/0xa00 drivers/net/wireless/virtual/mac80211_hwsim.c:2315 __iterate_interfaces+0x2d0/0x5d0 net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:808 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1770 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:60 [inline] RIP: 0010:unwind_next_frame+0x11b8/0x23a0 arch/x86/kernel/unwind_orc.c:665 Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2b 10 00 00 4c 8b 6b 10 4c 39 ed 73 36 e8 61 85 4d 00 4c 8d 75 08 4d 39 f4 73 28 53 85 4d 00 4d 39 f5 72 1e e8 49 85 4d 00 4c 8b 7c 24 18 48 89 RSP: 0018:ffffc900036ff670 EFLAGS: 00000297 RAX: 0000000000000000 RBX: ffffc900036ff6f0 RCX: ffffffff813cf026 RDX: ffff888023211e00 RSI: ffffffff813cf0af RDI: ffffc900036ff700 RBP: ffffc900036ff820 R08: 0000000000000004 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: ffffc900036f8000 R13: ffffc90003700000 R14: ffffc900036ff828 R15: 0000000000000001 arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 save_stack+0x162/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x8d/0x400 mm/page_owner.c:297 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1094 [inline] free_unref_page+0x64a/0xe40 mm/page_alloc.c:2612 __put_partials+0x14c/0x170 mm/slub.c:3051 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3988 [inline] slab_alloc_node mm/slub.c:4037 [inline] kmem_cache_alloc_noprof+0x121/0x2f0 mm/slub.c:4044 taskstats_tgid_alloc kernel/taskstats.c:582 [inline] taskstats_exit+0x656/0xbe0 kernel/taskstats.c:621 do_exit+0x84a/0x2bb0 kernel/exit.c:867 do_group_exit+0xd3/0x2a0 kernel/exit.c:1031 get_signal+0x25fd/0x2770 kernel/signal.c:2917 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe14f179e79 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:00007fff5a7e81f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffff92 RBX: 000000000004bff4 RCX: 00007fe14f179e79 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe14f315f8c RBP: 00007fe14f315f8c R08: 00007fe14f315f80 R09: 00007fff5a7e84df R10: 00007fff5a7e82f0 R11: 0000000000000246 R12: 0000000000000bea R13: 00007fff5a7e82f0 R14: 00007fff5a7e8310 R15: 000000000004b40a