Extracting prog: 4m0.871360339s
Minimizing prog: 5m39.025020991s
Simplifying prog options: 5m59.849074374s
Extracting C: 1m45.243162856s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {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}}): syz_open_dev$usbmon-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
syz_open_dev$usbmon(&(0x7f00000005c0), 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0)

program crashed: BUG: corrupted list in dst_destroy
program crashed: BUG: corrupted list in dst_destroy
program crashed: BUG: corrupted list in dst_destroy
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=47.125533132s, {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}}): syz_open_dev$usbmon-syz_usb_connect$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
syz_open_dev$usbmon(&(0x7f00000005c0), 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)

program crashed: BUG: corrupted list in dst_destroy
testing program (duration=47.125533132s, {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}}): syz_open_dev$usbmon-syz_usb_connect$hid
detailed listing:
executing program 0:
syz_open_dev$usbmon(&(0x7f00000005c0), 0x0, 0x0)
syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0)

program crashed: BUG: corrupted list in dst_destroy
testing program (duration=47.125533132s, {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}}): syz_open_dev$usbmon
detailed listing:
executing program 0:
syz_open_dev$usbmon(&(0x7f00000005c0), 0x0, 0x0)

program crashed: BUG: corrupted list in dst_destroy
testing program (duration=47.125533132s, {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}}): syz_open_dev$usbmon
detailed listing:
executing program 0:
syz_open_dev$usbmon(0x0, 0x0, 0x0)

program crashed: BUG: corrupted list in dst_destroy
extracting C reproducer
testing compiled C program (duration=47.125533132s, {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}}): syz_open_dev$usbmon
program did not crash
simplifying guilty program options
testing program (duration=47.125533132s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$usbmon
detailed listing:
executing program 0:
syz_open_dev$usbmon(0x0, 0x0, 0x0)

program crashed: BUG: corrupted list in dst_destroy
extracting C reproducer
testing compiled C program (duration=47.125533132s, {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}}): syz_open_dev$usbmon
program did not crash
testing program (duration=47.125533132s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$usbmon
detailed listing:
executing program 0:
syz_open_dev$usbmon(0x0, 0x0, 0x0)

program crashed: BUG: corrupted list in dst_destroy
extracting C reproducer
testing compiled C program (duration=47.125533132s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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}}): syz_open_dev$usbmon
program did not crash
testing program (duration=47.125533132s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$usbmon
detailed listing:
executing program 0:
syz_open_dev$usbmon(0x0, 0x0, 0x0)

program crashed: BUG: corrupted list in dst_destroy
validation run: crashed=true
testing program (duration=47.125533132s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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}}): syz_open_dev$usbmon
detailed listing:
executing program 0:
syz_open_dev$usbmon(0x0, 0x0, 0x0)

program crashed: BUG: corrupted list in dst_destroy
validation run: crashed=true
testing program (duration=47.125533132s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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}}): syz_open_dev$usbmon
detailed listing:
executing program 0:
syz_open_dev$usbmon(0x0, 0x0, 0x0)

program crashed: BUG: corrupted list in dst_destroy
validation run: crashed=true
reproducing took 21m36.025433058s
repro crashed as (corrupted=false):
list_del corruption, ffff88807c0cc090->next is NULL
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:53!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5957 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52
Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89
RSP: 0018:ffffc90000a08d58 EFLAGS: 00010046
RAX: 0000000000000033 RBX: ffff88807c0cc090 RCX: 23b095e34095d300
RDX: 0000000000000100 RSI: 0000000000000103 RDI: 0000000000000000
RBP: 0000000000000203 R08: ffffc90000a08ae7 R09: 1ffff9200014115c
R10: dffffc0000000000 R11: fffff5200014115d R12: 1ffff1100f819812
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888125557000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe940c17000 CR3: 000000001e78a000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __list_del_entry_valid include/linux/list.h:132 [inline]
 __list_del_entry include/linux/list.h:223 [inline]
 list_del_init include/linux/list.h:295 [inline]
 dst_destroy+0x202/0x5a0 net/core/dst.c:163
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x870 kernel/softirq.c:626
 __do_softirq kernel/softirq.c:660 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:727
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:194
Code: f7 e8 3d b7 f0 f5 f7 c3 00 02 00 00 74 05 e8 20 0e 1c f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 54 69 e2 f5 65 8b 05 6d 11 6b 07 85 c0 74 18 5b 41 5e e9 91 48
RSP: 0018:ffffc900036e69e8 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000296 RCX: 0000000080000002
RDX: 0000000000000006 RSI: ffffffff8defcb55 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff9011e8b7 R09: 1ffffffff2023d16
R10: dffffc0000000000 R11: fffffbfff2023d17 R12: dffffc0000000000
R13: ffff888026387800 R14: ffffffff9a55a800 R15: ffff8880574c1000
 debug_rcu_head_queue kernel/rcu/rcu.h:237 [inline]
 __call_rcu_common kernel/rcu/tree.c:3116 [inline]
 call_rcu+0x5b/0x890 kernel/rcu/tree.c:3251
 __kfree_rcu_sheaf+0x276/0x5d0 mm/slub.c:5927
 kfree_rcu_sheaf mm/slab_common.c:1608 [inline]
 kvfree_call_rcu+0x9e/0x430 mm/slab_common.c:1957
 ma_free_rcu lib/maple_tree.c:173 [inline]
 mas_free lib/maple_tree.c:1153 [inline]
 mas_replace_node lib/maple_tree.c:1595 [inline]
 mas_wr_node_store lib/maple_tree.c:3201 [inline]
 mas_wr_store_entry+0x5301/0x7fc0 lib/maple_tree.c:3531
 mas_store_prealloc+0x699/0xa20 lib/maple_tree.c:4936
 vma_iter_store_new mm/vma.h:614 [inline]
 __mmap_new_vma mm/vma.c:2553 [inline]
 __mmap_region mm/vma.c:2759 [inline]
 mmap_region+0x1bdc/0x2240 mm/vma.c:2837
 do_mmap+0xc39/0x10c0 mm/mmap.c:559
 vm_mmap_pgoff+0x2c9/0x4f0 mm/util.c:581
 ksys_mmap_pgoff+0x51e/0x760 mm/mmap.c:605
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe940c42242
Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00
RSP: 002b:00007ffdddf72e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe940c42242
RDX: 0000000000000001 RSI: 0000000000010010 RDI: 0000000000000000
RBP: 0000000000000802 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000802 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe940c16b20 R14: 00007ffdddf732a0 R15: 00000fffbbbee5d0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52
Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89
RSP: 0018:ffffc90000a08d58 EFLAGS: 00010046
RAX: 0000000000000033 RBX: ffff88807c0cc090 RCX: 23b095e34095d300
RDX: 0000000000000100 RSI: 0000000000000103 RDI: 0000000000000000
RBP: 0000000000000203 R08: ffffc90000a08ae7 R09: 1ffff9200014115c
R10: dffffc0000000000 R11: fffff5200014115d R12: 1ffff1100f819812
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888125557000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe940c17000 CR3: 000000001e78a000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	f7 e8                	imul   %eax
   2:	3d b7 f0 f5 f7       	cmp    $0xf7f5f0b7,%eax
   7:	c3                   	ret
   8:	00 02                	add    %al,(%rdx)
   a:	00 00                	add    %al,(%rax)
   c:	74 05                	je     0x13
   e:	e8 20 0e 1c f6       	call   0xf61c0e33
  13:	9c                   	pushf
  14:	58                   	pop    %rax
  15:	a9 00 02 00 00       	test   $0x200,%eax
  1a:	75 27                	jne    0x43
  1c:	f7 c3 00 02 00 00    	test   $0x200,%ebx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 54 69 e2 f5       	call   0xf5e26983 <-- trapping instruction
  2f:	65 8b 05 6d 11 6b 07 	mov    %gs:0x76b116d(%rip),%eax        # 0x76b11a3
  36:	85 c0                	test   %eax,%eax
  38:	74 18                	je     0x52
  3a:	5b                   	pop    %rbx
  3b:	41 5e                	pop    %r14
  3d:	e9                   	.byte 0xe9
  3e:	91                   	xchg   %eax,%ecx
  3f:	48                   	rex.W

final repro crashed as (corrupted=false):
list_del corruption, ffff88807c0cc090->next is NULL
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:53!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5957 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52
Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89
RSP: 0018:ffffc90000a08d58 EFLAGS: 00010046
RAX: 0000000000000033 RBX: ffff88807c0cc090 RCX: 23b095e34095d300
RDX: 0000000000000100 RSI: 0000000000000103 RDI: 0000000000000000
RBP: 0000000000000203 R08: ffffc90000a08ae7 R09: 1ffff9200014115c
R10: dffffc0000000000 R11: fffff5200014115d R12: 1ffff1100f819812
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888125557000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe940c17000 CR3: 000000001e78a000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __list_del_entry_valid include/linux/list.h:132 [inline]
 __list_del_entry include/linux/list.h:223 [inline]
 list_del_init include/linux/list.h:295 [inline]
 dst_destroy+0x202/0x5a0 net/core/dst.c:163
 rcu_do_batch kernel/rcu/tree.c:2617 [inline]
 rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869
 handle_softirqs+0x22a/0x870 kernel/softirq.c:626
 __do_softirq kernel/softirq.c:660 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:727
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:194
Code: f7 e8 3d b7 f0 f5 f7 c3 00 02 00 00 74 05 e8 20 0e 1c f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 54 69 e2 f5 65 8b 05 6d 11 6b 07 85 c0 74 18 5b 41 5e e9 91 48
RSP: 0018:ffffc900036e69e8 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000296 RCX: 0000000080000002
RDX: 0000000000000006 RSI: ffffffff8defcb55 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffffff9011e8b7 R09: 1ffffffff2023d16
R10: dffffc0000000000 R11: fffffbfff2023d17 R12: dffffc0000000000
R13: ffff888026387800 R14: ffffffff9a55a800 R15: ffff8880574c1000
 debug_rcu_head_queue kernel/rcu/rcu.h:237 [inline]
 __call_rcu_common kernel/rcu/tree.c:3116 [inline]
 call_rcu+0x5b/0x890 kernel/rcu/tree.c:3251
 __kfree_rcu_sheaf+0x276/0x5d0 mm/slub.c:5927
 kfree_rcu_sheaf mm/slab_common.c:1608 [inline]
 kvfree_call_rcu+0x9e/0x430 mm/slab_common.c:1957
 ma_free_rcu lib/maple_tree.c:173 [inline]
 mas_free lib/maple_tree.c:1153 [inline]
 mas_replace_node lib/maple_tree.c:1595 [inline]
 mas_wr_node_store lib/maple_tree.c:3201 [inline]
 mas_wr_store_entry+0x5301/0x7fc0 lib/maple_tree.c:3531
 mas_store_prealloc+0x699/0xa20 lib/maple_tree.c:4936
 vma_iter_store_new mm/vma.h:614 [inline]
 __mmap_new_vma mm/vma.c:2553 [inline]
 __mmap_region mm/vma.c:2759 [inline]
 mmap_region+0x1bdc/0x2240 mm/vma.c:2837
 do_mmap+0xc39/0x10c0 mm/mmap.c:559
 vm_mmap_pgoff+0x2c9/0x4f0 mm/util.c:581
 ksys_mmap_pgoff+0x51e/0x760 mm/mmap.c:605
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe940c42242
Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00
RSP: 002b:00007ffdddf72e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe940c42242
RDX: 0000000000000001 RSI: 0000000000010010 RDI: 0000000000000000
RBP: 0000000000000802 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000802 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe940c16b20 R14: 00007ffdddf732a0 R15: 00000fffbbbee5d0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52
Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89
RSP: 0018:ffffc90000a08d58 EFLAGS: 00010046
RAX: 0000000000000033 RBX: ffff88807c0cc090 RCX: 23b095e34095d300
RDX: 0000000000000100 RSI: 0000000000000103 RDI: 0000000000000000
RBP: 0000000000000203 R08: ffffc90000a08ae7 R09: 1ffff9200014115c
R10: dffffc0000000000 R11: fffff5200014115d R12: 1ffff1100f819812
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888125557000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe940c17000 CR3: 000000001e78a000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	f7 e8                	imul   %eax
   2:	3d b7 f0 f5 f7       	cmp    $0xf7f5f0b7,%eax
   7:	c3                   	ret
   8:	00 02                	add    %al,(%rdx)
   a:	00 00                	add    %al,(%rax)
   c:	74 05                	je     0x13
   e:	e8 20 0e 1c f6       	call   0xf61c0e33
  13:	9c                   	pushf
  14:	58                   	pop    %rax
  15:	a9 00 02 00 00       	test   $0x200,%eax
  1a:	75 27                	jne    0x43
  1c:	f7 c3 00 02 00 00    	test   $0x200,%ebx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 54 69 e2 f5       	call   0xf5e26983 <-- trapping instruction
  2f:	65 8b 05 6d 11 6b 07 	mov    %gs:0x76b116d(%rip),%eax        # 0x76b11a3
  36:	85 c0                	test   %eax,%eax
  38:	74 18                	je     0x52
  3a:	5b                   	pop    %rbx
  3b:	41 5e                	pop    %r14
  3d:	e9                   	.byte 0xe9
  3e:	91                   	xchg   %eax,%ecx
  3f:	48                   	rex.W