MSan: Uninitialized Memory in kpgsignal

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syzbot

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Oct 26, 2023, 10:09:27 PM10/26/23
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Hello,

syzbot found the following issue on:

HEAD commit: 23ee83f7c0ae c.7: mention that C11 and C17 have been publi..
git tree: netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=11cd39db680000
kernel config: https://syzkaller.appspot.com/x/.config?x=739e57438eb9ed9e
dashboard link: https://syzkaller.appspot.com/bug?extid=0c2fc851f1e167ca9818
compiler: Debian clang version 15.0.6

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/a2246aa2875c/disk-23ee83f7.raw.xz
netbsd.gdb: https://storage.googleapis.com/syzbot-assets/f5e0702a2a8a/netbsd-23ee83f7.gdb.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+0c2fc8...@syzkaller.appspotmail.com

[ 452.2980542] panic: MSan: Uninitialized Kmem Memory From amap_alloc1()

[ 452.3080308] cpu1: Begin traceback...
[ 452.3280374] vpanic() at netbsd:vpanic+0xc9d
[ 452.3680316] panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:209
[ 452.4180347] __msan_warning() at netbsd:__msan_warning+0x11e kmsan_report_inline sys/kern/subr_msan.c:250 [inline]
[ 452.4180347] __msan_warning() at netbsd:__msan_warning+0x11e sys/kern/subr_msan.c:631
[ 452.4580389] kpgsignal() at netbsd:kpgsignal+0x58c sys/kern/kern_sig.c:898
[ 452.5080392] pgsignal() at netbsd:pgsignal+0x1b6 sys/kern/kern_sig.c:887
[ 452.5580341] ttysigintr() at netbsd:ttysigintr+0xd91
[ 452.6080326] softint_dispatch() at netbsd:softint_dispatch+0x12e2 softint_execute sys/kern/kern_softint.c:601 [inline]
[ 452.6080326] softint_dispatch() at netbsd:softint_dispatch+0x12e2 sys/kern/kern_softint.c:842
address 0xffffe100aee5b0b8 is invalid
address 0xffffe100aee5b0b0 is invalid
address 0xffffe100aee5b0c0 is invalid
address 0xffffe100aee5b0b8 is invalid
address 0xffffe100aee5b0c8 is invalid
address 0xffffe100aee5b0c0 is invalid
address 0xffffe100aee5b0d0 is invalid
address 0xffffe100aee5b0c8 is invalid
[ 452.6580235] DDB lost frame for netbsd:Xsoftintr+0x57, trying 0xffffe100aee5aff0
[ 452.6980388] Xsoftintr() at netbsd:Xsoftintr+0x57
[ 452.7080337] --- interrupt ---
address 0xffffe100aee5b0c8 is invalid
address 0xffffe100aee5b080 is invalid
[ 452.7180256] 66d2410853da653:
[ 452.7180256] cpu1: End traceback...
[ 452.7180256] fatal breakpoint trap in supervisor mode
[ 452.7280239] trap type 1 code 0 rip 0xffffffff8023686d cs 0x8 rflags 0x286 cr2 0x75aa6f816000 ilevel 0x5 rsp 0xffffe100aee5a8f0
[ 452.7380235] curlwp 0xffffe100103d9240 pid 0.26 lowest kstack 0xffffe100aee532c0
Stopped in pid 0.26 (system) at netbsd:breakpoint+0x5: leave
?
breakpoint() at netbsd:breakpoint+0x5
vpanic() at netbsd:vpanic+0xc9d
panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:209
__msan_warning() at netbsd:__msan_warning+0x11e kmsan_report_inline sys/kern/subr_msan.c:250 [inline]
__msan_warning() at netbsd:__msan_warning+0x11e sys/kern/subr_msan.c:631
kpgsignal() at netbsd:kpgsignal+0x58c sys/kern/kern_sig.c:898
pgsignal() at netbsd:pgsignal+0x1b6 sys/kern/kern_sig.c:887
ttysigintr() at netbsd:ttysigintr+0xd91
softint_dispatch() at netbsd:softint_dispatch+0x12e2 softint_execute sys/kern/kern_softint.c:601 [inline]
softint_dispatch() at netbsd:softint_dispatch+0x12e2 sys/kern/kern_softint.c:842
address 0xffffe100aee5b0b8 is invalid
address 0xffffe100aee5b0b0 is invalid
address 0xffffe100aee5b0c0 is invalid
address 0xffffe100aee5b0b8 is invalid
address 0xffffe100aee5b0c8 is invalid
address 0xffffe100aee5b0c0 is invalid
address 0xffffe100aee5b0d0 is invalid
address 0xffffe100aee5b0c8 is invalid
DDB lost frame for netbsd:Xsoftintr+0x57, trying 0xffffe100aee5aff0
Xsoftintr() at netbsd:Xsoftintr+0x57
--- interrupt ---
address 0xffffe100aee5b0c8 is invalid
address 0xffffe100aee5b080 is invalid
66d2410853da653:
Panic string: MSan: Uninitialized Kmem Memory From amap_alloc1()

PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
16967 13371 2 0 100 ffffe10013588a00 syz-executor.2
16967 16967 2 1 10000000 ffffe10013e9ea80 syz-executor.2
13471 13471 2 0 0 ffffe10014239ac0 syz-executor.4
14932>16437 7 1 100 ffffe100121fc200 syz-executor.3
14932 14932 2 0 10000000 ffffe1001363fa40 syz-executor.3
16947 16947 2 0 0 ffffe1001420bb40 syz-executor.1
13565 13565 3 1 180 ffffe1001425f6c0 syz-executor.1 nanoslp
13874 13874 3 1 180 ffffe1001420b2c0 syz-executor.4 parked
14003 14003 3 0 180 ffffe10013e9da40 syz-executor.4 parked
11256 11256 3 1 180 ffffe10014239240 syz-executor.4 parked
11147 11147 3 1 180 ffffe1001425f280 syz-executor.4 parked
11050 11050 3 0 180 ffffe10014455300 syz-executor.4 parked
10746 10746 3 0 180 ffffe100137ed300 syz-executor.4 parked
10733 10733 3 1 180 ffffe10013c87100 syz-executor.4 parked
9095 9095 3 0 180 ffffe1001420b700 syz-executor.4 parked
10796 10796 3 0 180 ffffe10013cb3a00 syz-executor.5 parked
11848 12485 2 0 1000040 ffffe10013cb29c0 syz-executor.5
11848 11114 3 0 1100000 ffffe10013e9d1c0 syz-executor.5 vfork
13364 13364 3 0 180 ffffe10013e9e200 syz-executor.4 parked
13002 13002 3 0 180 ffffe10013cb2580 syz-executor.4 parked
10915 10915 3 0 180 ffffe10014239680 syz-executor.4 parked
11959 11959 3 1 180 ffffe10013e9d600 syz-executor.4 parked
10562 10562 3 1 180 ffffe10013e9e640 syz-executor.5 parked
6305 13361 3 1 1100000 ffffe10013cb35c0 syz-executor.5 vfork
6305 6305 2 0 11000040 ffffe100137e0b40 syz-executor.5
11054 11054 3 0 180 ffffe10013c87540 syz-executor.4 parked
11357 11357 3 0 180 ffffe100137e02c0 syz-executor.4 parked
11486 11486 3 0 180 ffffe10013cb2140 syz-executor.4 parked
9874 9874 3 0 180 ffffe100136b3a80 syz-executor.3 parked
9352 >9352 7 0 140 ffffe100136b3640 getty
10971 10971 3 1 180 ffffe10013a6c0c0 syz-executor.4 nanoslp
8950 8950 3 1 180 ffffe10013cb3180 syz-executor.4 parked
9964 11855 3 1 11100000 ffffe100137cdb00 syz-executor.4 vfork
9964 9964 2 1 11000040 ffffe10013588180 syz-executor.4
5531 5531 3 1 180 ffffe10013749ac0 syz-executor.2 nanoslp
6080 6080 2 0 140 ffffe10013a674c0 syz-executor.3
900 900 3 0 180 ffffe10013a67080 syz-executor.5 parked
899 899 3 0 180 ffffe10013a61040 syz-executor.5 parked
1747 1747 3 1 180 ffffe100137e0700 syz-executor.5 parked
2894 2894 3 0 180 ffffe10013a618c0 syz-executor.5 parked
850 850 3 0 180 ffffe10013a61480 syz-executor.5 parked
3516 3516 3 1 180 ffffe10013a67900 syz-executor.5 parked
552 552 3 0 180 ffffe100137fa780 syz-executor.5 parked
3369 3369 3 1 180 ffffe10013a6c500 syz-executor.5 parked
398 398 3 0 180 ffffe100137cd280 syz-executor.1 parked
2000 2000 3 0 180 ffffe100134de540 syz-executor.1 parked
1605 1605 3 0 180 ffffe10013749240 syz-executor.4 parked
1085 1085 3 0 180 ffffe100136b3200 syz-executor.5 parked
2489 2489 3 1 180 ffffe100137fabc0 syz-executor.4 parked
1118 1118 3 0 180 ffffe100137fa340 syz-executor.4 parked
2378 2378 3 0 180 ffffe1001355e140 syz-executor.5 parked
2510 2510 3 1 180 ffffe100134de100 syz-executor.5 parked
1238 414 3 0 180 ffffe100137cd6c0 syz-fuzzer parked
1238 1199 3 1 180 ffffe1001363f600 syz-fuzzer parked
1238 1383 3 0 1c0 ffffe1001363f1c0 syz-fuzzer wait
1238 941 3 0 180 ffffe100135885c0 syz-fuzzer wait
1238 1120 3 0 180 ffffe1001355e580 syz-fuzzer parked
1238 1245 3 0 180 ffffe100134de980 syz-fuzzer parked
1238 1241 3 0 180 ffffe10012c49940 syz-fuzzer wait
1238 1239 3 0 180 ffffe10012c49500 syz-fuzzer kqueue
1238 1224 3 1 180 ffffe10012c490c0 syz-fuzzer parked
1238 449 3 1 180 ffffe10012bbe900 syz-fuzzer parked
1238 1132 3 0 180 ffffe10012bbe4c0 syz-fuzzer parked
1238 1233 3 0 180 ffffe10012bbe080 syz-fuzzer wait
1238 1128 3 0 180 ffffe100122fcb00 syz-fuzzer parked
1238 1238 3 1 180 ffffe100122fc6c0 syz-fuzzer parked
1237 1237 3 0 180 ffffe1001238e2c0 sshd select
1222 1222 3 0 180 ffffe100122fc280 getty nanoslp
1082 1082 3 0 180 ffffe10012b8e8c0 getty nanoslp
1184 1184 3 0 180 ffffe100121ffac0 getty nanoslp
1107 1107 3 0 180 ffffe1001251d300 sshd select
1088 1088 3 0 180 ffffe100125e4bc0 powerd kqueue
702 702 3 1 180 ffffe1001251d740 syslogd kqueue
746 746 3 0 180 ffffe10012b8e480 dhcpcd poll
747 747 3 1 180 ffffe10012b8e040 dhcpcd poll
466 466 3 0 180 ffffe1001238e700 dhcpcd poll
602 602 3 0 180 ffffe100125e4780 dhcpcd poll
292 292 3 0 180 ffffe100125e4340 dhcpcd poll
485 485 3 0 180 ffffe1001238eb40 dhcpcd poll
291 291 3 1 180 ffffe1001251db80 dhcpcd poll
1 1 3 1 180 ffffe10011ede100 init wait
0 14066 5 1 200 ffffe10013c87980 (zombie)
0 12708 3 0 200 ffffe1001355e9c0 ktrace ktrwait
0 1335 3 0 200 ffffe10013749680 ktrace ktrwait
0 686 3 0 200 ffffe100121fc640 physiod physiod
0 196 3 0 200 ffffe100121ff680 pooldrain pooldrain
0 195 2 0 240 ffffe100121ff240 ioflush
0 194 3 1 200 ffffe100121fca80 pgdaemon pgdaemon
0 167 3 1 200 ffffe1001216ba40 usb7 usbevt
0 172 3 0 200 ffffe1001216b600 usb6 usbevt
0 170 3 1 200 ffffe1001216b1c0 usb5 usbevt
0 168 3 1 200 ffffe1001213ca00 usb4 usbevt
0 166 3 0 200 ffffe1001213c5c0 usb3 usbevt
0 165 3 0 200 ffffe1001213c180 usb2 usbevt
0 31 3 0 200 ffffe100120859c0 usb1 usbevt
0 63 3 0 200 ffffe10012085580 usb0 usbevt
0 126 3 1 200 ffffe10012085140 usbtask-dr usbtsk
0 125 3 1 200 ffffe10011ede980 usbtask-hc usbtsk
0 124 3 0 200 ffffe100103f4b00 swwreboot swwreboot
0 123 3 0 200 ffffe10011ede540 npfgc0 npfgcw
0 122 3 1 200 ffffe10011ed1940 rt_free rt_free
0 121 3 1 200 ffffe10011ed1500 unpgc unpgc
0 120 3 0 200 ffffe10011ed10c0 key_timehandler key_timehandler
0 119 3 1 200 ffffe10011ecc900 icmp6_wqinput/1 icmp6_wqinput
0 118 3 0 200 ffffe10011ecc4c0 icmp6_wqinput/0 icmp6_wqinput
0 117 3 0 200 ffffe10011ecc080 nd6_timer nd6_timer
0 116 3 1 200 ffffe10011eaa8c0 carp6_wqinput/1 carp6_wqinput
0 115 3 0 200 ffffe10011eaa480 carp6_wqinput/0 carp6_wqinput
0 114 3 1 200 ffffe10011cecb80 carp_wqinput/1 carp_wqinput
0 113 3 0 200 ffffe10011cec740 carp_wqinput/0 carp_wqinput
0 112 3 1 200 ffffe10011ceebc0 icmp_wqinput/1 icmp_wqinput
0 111 3 0 200 ffffe10011cee780 icmp_wqinput/0 icmp_wqinput
0 110 3 0 200 ffffe10011eaa040 rt_timer rt_timer
0 109 3 0 200 ffffe10011cee340 vmem_rehash vmem_rehash
0 100 3 0 200 ffffe10011cec300 entbutler entropy
0 99 3 1 200 ffffe100117e0b40 viomb balloon
0 98 3 1 200 ffffe100117e0700 vioif0_txrx/1 vioif0_txrx
0 97 3 0 200 ffffe100117e02c0 vioif0_txrx/0 vioif0_txrx
0 30 3 0 200 ffffe100103f46c0 scsibus0 sccomp
0 29 3 0 200 ffffe100103f4280 pms0 pmsreset
0 28 3 1 200 ffffe100103d9ac0 xcall/1 xcall
0 27 1 1 200 ffffe100103d9680 softser/1
0 > 26 7 1 200 ffffe100103d9240 softclk/1
0 25 1 1 200 ffffe100103d7a80 softbio/1
0 24 1 1 200 ffffe100103d7640 softnet/1
0 23 1 1 201 ffffe100103d7200 idle/1
0 22 3 0 200 ffffe1000f1e3a40 lnxsyswq lnxsyswq
0 21 3 0 200 ffffe1000f1e3600 lnxubdwq lnxubdwq
0 20 3 0 200 ffffe1000f1e31c0 lnxpwrwq lnxpwrwq
0 19 3 0 200 ffffe1000f1e1a00 lnxlngwq lnxlngwq
0 18 3 0 200 ffffe1000f1e15c0 lnxhipwq lnxhipwq
0 17 3 0 200 ffffe1000f1e1180 lnxrcugc lnxrcugc
0 16 3 0 200 ffffe1000f1db9c0 sysmon smtaskq
0 15 3 1 200 ffffe1000f1db580 pmfsuspend pmfsuspend
0 14 3 0 200 ffffe1000f1db140 pmfevent pmfevent
0 13 3 0 200 ffffe1000f1d9980 sopendfree sopendfr
0 12 3 0 200 ffffe1000f1d9540 ifwdog ifwdog
0 11 3 1 200 ffffe1000f1d9100 iflnkst iflnkst
0 10 3 1 200 ffffe1000f1cf940 nfssilly nfssilly
0 9 3 0 200 ffffe1000f1cf500 vdrain vdrain
0 8 3 1 200 ffffe1000f1cf0c0 modunload mod_unld
0 7 3 0 200 ffffe1000ebdb900 xcall/0 xcall
0 6 1 0 200 ffffe1000ebdb4c0 softser/0
0 > 5 7 0 200 ffffe1000ebdb080 softclk/0
0 4 1 0 200 ffffe1000ebd98c0 softbio/0
0 3 1 0 200 ffffe1000ebd9480 softnet/0
0 2 1 0 201 ffffe1000ebd9040 idle/0
0 0 3 1 200 ffffffff8686ea80 swapper uvm
[Locks tracked through LWPs]

****** LWP 14932.16437 (syz-executor.3) @ 0xffffe100121fc200, l_stat=7

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffe100121fc200 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 16947.16947 (syz-executor.1) @ 0xffffe1001420bb40, l_stat=2

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvm_map_setup sys/uvm/uvm_map.c:4794 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_init sys/uvm/uvm_map.c:4137 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 uvmspace_alloc sys/uvm/uvm_map.c:4116 [inline])
* Lock 0 (initialized at netbsd:uvmspace_fork+0x3e4 sys/uvm/uvm_map.c:4593)
lock address : ffffe10013a399c0
type : sleep/adaptive
initialized : netbsd:uvmspace_fork+0x3e4
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 1
relevant cpu : 0 last held: 65535
relevant lwp : 0xffffe1001420bb40 last held: 000000000000000000
last locked : netbsd:uvm_fault_internal+0x516
unlocked* : netbsd:uvm_fault_internal+0x667e
owner/count : 000000000000000000 flags : 000000000000000000
Turnstile: no active turnstile for this lock.

****** LWP 9352.9352 (getty) @ 0xffffe100136b3640, l_stat=7

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:main+0x354 sys/kern/init_main.c:305)
lock address : netbsd:kernel_lock
type : spin
initialized : netbsd:main+0x354
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 1
relevant cpu : 0 last held: 1
relevant lwp : 0xffffe100136b3640 last held: 0xffffe100121fc200
last locked* : netbsd:cdev_ioctl+0x2d6
unlocked : netbsd:cdev_open+0xadf
curcpu holds : 2 wanted by: 000000000000000000

****** LWP 747.747 (dhcpcd) @ 0xffffe10012b8e040, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffe10012b8e040 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 466.466 (dhcpcd) @ 0xffffe1001238e700, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffe1001238e700 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 485.485 (dhcpcd) @ 0xffffe1001238eb40, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffe1001238eb40 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 291.291 (dhcpcd) @ 0xffffe1001251db80, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffe1001251db80 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.26 (softclk/1) @ 0xffffe100103d9240, l_stat=7

*** Locks held:

* Lock 0 (initialized at netbsd:procinit+0x85 sys/kern/kern_proc.c:386)
lock address : netbsd:proc_lock
type : sleep/adaptive
initialized : netbsd:procinit+0x85
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffe100103d9240 last held: 0xffffe100103d9240
last locked* : netbsd:ttysigintr+0x58
unlocked : netbsd:do_sys_waitid+0x3c7
owner field : 0xffffe100103d9240 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffe100103d9240 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.11 (iflnkst) @ 0xffffe1000f1d9100, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffe1000f1d9100 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.0 (swapper) @ 0xffffffff8686ea80, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at netbsd:module_hook_init+0x43 sys/kern/kern_module_hook.c:132)
lock address : netbsd:module_hook
type : sleep/adaptive
initialized : netbsd:module_hook_init+0x43
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffffff8686ea80 last held: 000000000000000000
last locked : 0
unlocked* : 0
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

[Locks tracked through CPUs]

******* Locks held on cpu1:

* Lock 0 (initialized at netbsd:main+0x354 sys/kern/init_main.c:305)
lock address : netbsd:kernel_lock
type : spin
initialized : netbsd:main+0x354
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 1
relevant cpu : 1 last held: 1
relevant lwp : 0xffffe100103d9240 last held: 0xffffe100121fc200
last locked* : netbsd:cdev_ioctl+0x2d6
unlocked : netbsd:cdev_open+0xadf
curcpu holds : 2 wanted by: 000000000000000000

* Lock 1 (initialized at netbsd:kprintf_init+0xcb sys/kern/subr_prf.c:156)
lock address : netbsd:kprintf_mtx
type : spin
initialized : netbsd:kprintf_init+0xcb
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffe100103d9240 last held: 0xffffe100103d9240
last locked* : netbsd:vpanic+0x624
unlocked : netbsd:printf+0x2ce
owner field : 0x0000000000000800 wait/spin: 0/1

PAGE FLAG PQ UOBJECT UANON
0xffffe10000017180 0001 00000000 0x0 0x0
0xffffe10000017200 0041 00000000 0x0 0x0
0xffffe10000017280 0041 00000000 0x0 0x0
0xffffe10000017300 0041 00000000 0x0 0x0
0xffffe10000017380 0041 00000000 0x0 0x0
0xffffe10000017400 0041 00000000 0x0 0x0
0xffffe10000017480 0041 00000000 0x0 0x0
0xffffe10000017500 0041 00000000 0x0 0x0
0xffffe10000017580 0041 00000000 0x0 0x0
0xffffe10000017600 0041 00000000 0x0 0x0
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0xffffe10000025c00 0001 00000000 0x0 0x0
0xffffe10000025c80 0001 00000000 0x0 0x0
0xffffe10000025d00 0001 00000000 0x0 0x0
0xffffe10000025d80 0001 00000000 0x0 0x0
0xffffe10000025e00 0001 00000000 0x0 0x0
0xffffe10000025e80 0001 00000000 0x0 0x0
0xffffe10000025f00 0001 00000000 0x0 0x0
0xffffe10000025f80 0001 00000000 0x0 0x0
0xffffe10000026000 0001 00000000 0x0 0x0
0xffffe10000026080 0001 00000000 0x0 0x0
0xffffe10000026100 0001 00000000 0x0 0x0
0xffffe10000026180 0001 00000000 0x0 0x0
0xffffe10000026200 0001 00000000 0x0 0x0
0xffffe10000026280 0001 00000000 0x0 0x0
0xffffe10000026300 0001 00000000 0x0 0x0
0xffffe10000026380 0001 00000000 0x0 0x0
0xffffe10000026400 0001 00000000 0x0 0x0
0xffffe10000026480 0001 00000000 0x0 0x0
0xffffe10000026500 0001 00000000 0x0 0x0
0xffffe10000026580 0001 00000000 0x0 0x0
0xffffe10000026600 0001 00000000 0x0 0x0
0xffffe10000026680 0001 00000000 0x0 0x0
0xffffe10000026700 0001 00000000 0x0 0x0
0xffffe10000026780 0001 00000000 0x0 0x0
0xffffe10000026800 0001 00000000 0x0 0x0
0xffffe10000026880 0001 00000000 0x0 0x0
0xffffe10000026900 0001 00000000 0x0 0x0
0xffffe10000026980 0001 00000000 0x0 0x0
0xffffe10000026a00 0001 00000000 0x0 0x0
0xffffe10000026a80 0001 00000000 0x0 0x0
0xffffe10000026b00 0001 00000000 0x0 0x0
0xffffe10000026b80 0001 00000000 0x0 0x0
0xffffe10000026c00 0001 00000000 0x0 0x0
0xffffe10000026c80 0001 00000000 0x0 0x0
0xffffe10000026d00 0001 00000000 0x0 0x0
0xffffe10000026d80 0001 00000000 0x0 0x0
0xffffe10000026e00 0001 00000000 0x0 0x0
0xffffe10000026e80 0001 00000000 0x0 0x0
0xffffe10000026f00 0001 00000000 0x0 0x0
0xffffe10000026f80 0001 00000000 0x0 0x0
0xffffe10000027000 0001 00000000 0x0 0x0
0xffffe10000027080 0001 00000000 0x0 0x0
0xffffe10000027100 0001 00000000 0x0 0x0
0xffffe10000027180 0001 00000000 0x0 0x0
0xffffe10000027200 0001 00000000 0x0 0x0
0xffffe10000027280 0001 00000000 0x0 0x0
0xffffe10000027300 0001 00000000 0x0 0x0
0xffffe10000027380 0001 00000000 0x0 0x0
0xffffe10000027400 0001 00000000 0x0 0x0
0xffffe10000027480 0001 00000000 0x0 0x0
0xffffe10000027500 0001 00000000 0x0 0x0
0xffffe10000027580 0001 00000000 0x0 0x0
0xffffe10000027600 0001 00000000 0x0 0x0
0xffffe10000027680 0001 00000000 0x0 0x0
0xffffe10000027700 0001 00000000 0x0 0x0
0xffffe10000027780 0001 00000000 0x0 0x0
0xffffe10000027800 0001 00000000 0x0 0x0
0xffffe10000027880 0001 00000000 0x0 0x0
0xffffe10000027900 0001 00000000 0x0 0x0
0xffffe10000027980 0001 00000000 0x0 0x0
0xffffe10000027a00 0001 00000000 0x0 0x0
0xffffe10000027a80 0001 00000000 0x0 0x0
0xffffe10000027b00 0001 00000000 0x0 0x0
0xffffe10000027b80 0001 00000000 0x0 0x0
0xffffe10000027c00 0001 00000000 0x0 0x0
0xffffe10000027c80 0001 00000000 0x0 0x0
0xffffe10000027d00 0001 00000000 0x0 0x0
0xffffe10000027d80 0001 00000000 0x0 0x0
0xffffe10000027e00 0001 00000000 0x0 0x0
0xffffe10000027e80 0001 00000000 0x0 0x0
0xffffe10000027f00 0001 00000000 0x0 0x0
0xffffe10000027f80 0001 00000000 0x0 0x0
0xffffe10000028000 0001 00000000 0x0 0x0
0xffffe10000028080 0001 00000000 0x0 0x0
0xffffe10000028100 0001 00000000 0x0 0x0
0xffffe10000028180 0001 00000000 0x0 0x0
0xffffe10000028200 0001 00000000 0x0 0x0
0xffffe10000028280 0001 00000000 0x0 0x0
0xffffe10000028300 0001 00000000 0x0 0x0
0xffffe10000028380 0001 00000000 0x0 0x0
0xffffe10000028400 0001 00000000 0x0 0x0
0xffffe10000028480 0001 00000000 0x0 0x0
0xffffe10000028500 0001 00000000 0x0 0x0
0xffffe10000028580 0001 00000000 0x0 0x0
0xffffe10000028600 0001 00000000 0x0 0x0
0xffffe10000028680 0001 00000000 0x0 0x0
0xffffe10000028700 0001 00000000 0x0 0x0
0xffffe10000028780 0001 00000000 0x0 0x0
0xffffe10000028800 0001 00000000 0x0 0x0
0xffffe10000028880 0001 00000000 0x0 0x0
0xffffe10000028900 0001 00000000 0x0 0x0
0xffffe10000028980 0001 00000000 0x0 0x0
0xffffe10000028a00 0001 00000000 0x0 0x0
0xffffe10000028a80 0001 00000000 0x0 0x0
0xffffe10000028b00 0001 00000000 0x0 0x0
0xffffe10000028b80 0001 00000000 0x0 0x0
0xffffe10000028c00 0001 00000000 0x0 0x0
0xffffe10000028c80 0001 00000000 0x0 0x0
0xffffe10000028d00 0001 00000000 0x0 0x0
0xffffe10000028d80 0001 00000000 0x0 0x0
0xffffe10000028e00 0001 00000000 0x0 0x0
0xffffe10000028e80 0001 00000000 0x0 0x0
0xffffe10000028f00 0001 00000000 0x0 0x0
0xffffe10000028f80 0001 00000000 0x0 0x0
0xffffe10000029000 0001 00000000 0x0 0x0
0xffffe10000029080 0001 00000000 0x0 0x0
0xffffe10000029100 0001 00000000 0x0 0x0
0xffffe10000029180 0001 00000000 0x0 0x0
0xffffe10000029200 0001 00000000 0x0 0x0
0xffffe10000029280 0001 00000000 0x0 0x0
0xffffe10000029300 0001 00000000 0x0 0x0
0xffffe10000029380 0001 00000000 0x0 0x0
0xffffe10000029400 0001 00000000 0x0 0x0
0xffffe10000029480 0001 00000000 0x0 0x0
0xffffe10000029500 0001 00000000 0x0 0x0
0xffffe10000029580 0001 00000000 0x0 0x0
0xffffe10000029600 0001 00000000 0x0 0x0
0xffffe10000029680 0001 00000000 0x0 0x0
0xffffe10000029700 0001 00000000 0x0 0x0
0xffffe10000029780 0001 00000000 0x0 0x0
0xffffe10000029800 0001 00000000 0x0 0x0
0xffffe10000029880 0001 00000000 0x0 0x0
0xffffe10000029900 0001 00000000 0x0 0x0
0xffffe10000029980 0001 00000000 0x0 0x0
0xffffe10000029a00 0001 00000000 0x0 0x0
0xffffe10000029a80 0001 00000000 0x0 0x0
0xffffe10000029b00 0001 00000000 0x0 0x0
0xffffe10000029b80 0001 00000000 0x0 0x0
0xffffe10000029c00 0001 00000000 0x0 0x0
0xffffe10000029c80 0001 00000000 0x0 0x0
0xffffe10000029d00 0001 00000000 0x0 0x0
0xffffe10000029d80 0001 000

---
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syzbot

unread,
Jan 24, 2024, 9:09:19 PMJan 24
to syzkaller-...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
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