panic: pmap_get_physpage: out of memory (3)

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syzbot

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Nov 24, 2021, 5:51:24 PM11/24/21
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Hello,

syzbot found the following issue on:

HEAD commit: 8f09a9247546 wsmoused: support absolute mouse position eve..
git tree: netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1698f3d1b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=739e57438eb9ed9e
dashboard link: https://syzkaller.appspot.com/bug?extid=1dc4e4ae1aac85377d1e
compiler: Debian clang version 11.0.1-2

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

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+1dc4e4...@syzkaller.appspotmail.com

[ 3563.7420438] panic: pmap_get_physpage: out of memory
[ 3563.7420438] cpu0: Begin traceback...
[ 3563.7620305] vpanic() at netbsd:vpanic+0x9ec
[ 3563.8120288] panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:209
[ 3563.8520349] pmap_get_physpage() at netbsd:pmap_get_physpage+0x5a6 sys/arch/x86/x86/pmap.c:5420
[ 3563.9020346] kmsan_md_shadow_map_page() at netbsd:kmsan_md_shadow_map_page+0x209 sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/msan.h:156
[ 3563.9520242] kmsan_shadow_map() at netbsd:kmsan_shadow_map+0x128 sys/kern/subr_msan.c:493
[ 3563.9920223] pmap_growkernel() at netbsd:pmap_growkernel+0x59a sys/arch/x86/x86/pmap.c:5580
[ 3564.0420213] uvm_map_prepare() at netbsd:uvm_map_prepare+0x1ff7 sys/uvm/uvm_map.c:1221
[ 3564.0820236] uvm_map() at netbsd:uvm_map+0x5f6 sys/uvm/uvm_map.c:1089
[ 3564.1320168] uvm_km_alloc() at netbsd:uvm_km_alloc+0x4ed sys/uvm/uvm_km.c:629
[ 3564.1820195] pool_grow() at netbsd:pool_grow+0x240 pool_allocator_alloc sys/kern/subr_pool.c:2921 [inline]
[ 3564.1820195] pool_grow() at netbsd:pool_grow+0x240 sys/kern/subr_pool.c:1402
[ 3564.2220164] pool_get() at netbsd:pool_get+0x3869 pool_catchup sys/kern/subr_pool.c:1543 [inline]
[ 3564.2220164] pool_get() at netbsd:pool_get+0x3869 sys/kern/subr_pool.c:1229
[ 3564.2720132] allocbuf() at netbsd:allocbuf+0x392 buf_alloc sys/kern/vfs_bio.c:648 [inline]
[ 3564.2720132] allocbuf() at netbsd:allocbuf+0x392 sys/kern/vfs_bio.c:1333
[ 3564.3120123] getblk() at netbsd:getblk+0xd2a sys/kern/vfs_bio.c:1258
[ 3564.3520117] ffs_getblk() at netbsd:ffs_getblk+0x130 sys/ufs/ffs/ffs_subr.c:124
[ 3564.4020125] ffs_balloc() at netbsd:ffs_balloc+0x4980 ffs_balloc_ufs2 sys/ufs/ffs/ffs_balloc.c:772 [inline]
[ 3564.4020125] ffs_balloc() at netbsd:ffs_balloc+0x4980 sys/ufs/ffs/ffs_balloc.c:99
[ 3564.4420133] ufs_mkdir() at netbsd:ufs_mkdir+0x27b7 sys/ufs/ufs/ufs_vnops.c:1326
[ 3564.4920076] VOP_MKDIR() at netbsd:VOP_MKDIR+0x2a3 sys/kern/vnode_if.c:1277
[ 3564.5320066] do_sys_mkdirat() at netbsd:do_sys_mkdirat+0x867 sys/kern/vfs_syscalls.c:4761
[ 3564.5820025] syscall() at netbsd:syscall+0x60c sy_invoke sys/sys/syscallvar.h:94 [inline]
[ 3564.5820025] syscall() at netbsd:syscall+0x60c sys/arch/x86/x86/syscall.c:138
[ 3564.6020158] --- syscall (number 136) ---
[ 3564.6120043] netbsd:syscall+0x60c:
[ 3564.6120043] cpu0: End traceback...
[ 3564.6232491] fatal breakpoint trap in supervisor mode
[ 3564.6232491] trap type 1 code 0 rip 0xffffffff8022288d cs 0x8 rflags 0x286 cr2 0x7c8ea2207000 ilevel 0x6 rsp 0xffffd7808b151ab0
[ 3564.6397191] curlwp 0xffffd7801369c540 pid 1151.1151 lowest kstack 0xffffd7808b14b2c0
Stopped in pid 1151.1151 (syz-executor.4) at netbsd:breakpoint+0x5: leave
?
breakpoint() at netbsd:breakpoint+0x5
vpanic() at netbsd:vpanic+0x9ec
panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:209
pmap_get_physpage() at netbsd:pmap_get_physpage+0x5a6 sys/arch/x86/x86/pmap.c:5420
kmsan_md_shadow_map_page() at netbsd:kmsan_md_shadow_map_page+0x209 sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/msan.h:156
kmsan_shadow_map() at netbsd:kmsan_shadow_map+0x128 sys/kern/subr_msan.c:493
pmap_growkernel() at netbsd:pmap_growkernel+0x59a sys/arch/x86/x86/pmap.c:5580
uvm_map_prepare() at netbsd:uvm_map_prepare+0x1ff7 sys/uvm/uvm_map.c:1221
uvm_map() at netbsd:uvm_map+0x5f6 sys/uvm/uvm_map.c:1089
uvm_km_alloc() at netbsd:uvm_km_alloc+0x4ed sys/uvm/uvm_km.c:629
pool_grow() at netbsd:pool_grow+0x240 pool_allocator_alloc sys/kern/subr_pool.c:2921 [inline]
pool_grow() at netbsd:pool_grow+0x240 sys/kern/subr_pool.c:1402
pool_get() at netbsd:pool_get+0x3869 pool_catchup sys/kern/subr_pool.c:1543 [inline]
pool_get() at netbsd:pool_get+0x3869 sys/kern/subr_pool.c:1229
allocbuf() at netbsd:allocbuf+0x392 buf_alloc sys/kern/vfs_bio.c:648 [inline]
allocbuf() at netbsd:allocbuf+0x392 sys/kern/vfs_bio.c:1333
getblk() at netbsd:getblk+0xd2a sys/kern/vfs_bio.c:1258
ffs_getblk() at netbsd:ffs_getblk+0x130 sys/ufs/ffs/ffs_subr.c:124
ffs_balloc() at netbsd:ffs_balloc+0x4980 ffs_balloc_ufs2 sys/ufs/ffs/ffs_balloc.c:772 [inline]
ffs_balloc() at netbsd:ffs_balloc+0x4980 sys/ufs/ffs/ffs_balloc.c:99
ufs_mkdir() at netbsd:ufs_mkdir+0x27b7 sys/ufs/ufs/ufs_vnops.c:1326
VOP_MKDIR() at netbsd:VOP_MKDIR+0x2a3 sys/kern/vnode_if.c:1277
do_sys_mkdirat() at netbsd:do_sys_mkdirat+0x867 sys/kern/vfs_syscalls.c:4761
syscall() at netbsd:syscall+0x60c sy_invoke sys/sys/syscallvar.h:94 [inline]
syscall() at netbsd:syscall+0x60c sys/arch/x86/x86/syscall.c:138
--- syscall (number 136) ---
netbsd:syscall+0x60c:
Panic string: pmap_get_physpage: out of memory
PID LID S CPU FLAGS STRUCT LWP * NAME WAIT
23597 7305 3 0 180 ffffd780137a35c0 syz-executor.5 parked
23597 23597 2 0 10000000 ffffd7801377e9c0 syz-executor.5
24662 7867 3 0 180 ffffd7801377e580 syz-executor.3 parked
24662 24662 2 0 0 ffffd7801377e140 syz-executor.3
24633 8395 3 0 180 ffffd78013972ac0 syz-executor.2 parked
24633 7152 3 0 180 ffffd78013972240 syz-executor.2 parked
24633 24633 2 0 10000000 ffffd7801392a4c0 syz-executor.2
25064 24781 3 0 180 ffffd780137a3a00 syz-executor.0 parked
25064 25064 2 0 10000000 ffffd7801392a080 syz-executor.0
24625 7631 3 0 180 ffffd78013aec040 syz-executor.1 parked
24625 24778 3 0 180 ffffd78013972680 syz-executor.1 parked
24625 24625 2 0 10000000 ffffd7801369c980 syz-executor.1
1151 >1151 7 0 40 ffffd7801369c540 syz-executor.4
1097 1097 3 0 180 ffffd7801369c100 syz-executor.3 nanoslp
422 422 3 0 180 ffffd780135f2940 syz-executor.5 nanoslp
997 997 3 0 180 ffffd780135f2500 syz-executor.2 nanoslp
1083 1083 3 0 40180 ffffd780135f20c0 syz-executor.0 nanoslp
1084 1084 2 1 140 ffffd780132b04c0 syz-executor.1
1072 1085 3 0 180 ffffd780132b0900 syz-fuzzer kqueue
1072 1079 3 0 180 ffffd780132b0080 syz-fuzzer parked
1072 1074 3 0 180 ffffd78012b6a8c0 syz-fuzzer parked
1072 1071 3 1 180 ffffd78012b6a480 syz-fuzzer parked
1072 1075 3 0 180 ffffd78012b6a040 syz-fuzzer parked
1072 966 3 0 180 ffffd78012282ac0 syz-fuzzer parked
1072 1106 2 1 140 ffffd78012282680 syz-fuzzer
1072 1072 3 0 180 ffffd78012282240 syz-fuzzer parked
1070 1070 3 0 180 ffffd78012505300 sshd select
1090 1090 3 0 180 ffffd78012ad8bc0 getty nanoslp
1099 1099 3 1 180 ffffd78012188a80 getty nanoslp
1093 1093 3 1 180 ffffd78012188640 getty nanoslp
974 974 3 0 1c0 ffffd78012104a00 getty ttyraw
948 948 3 1 180 ffffd78012ad8780 sshd select
981 981 3 1 180 ffffd78012ad8340 powerd kqueue
871 871 2 1 140 ffffd780124322c0 syslogd
595 595 3 0 180 ffffd78012505b80 dhcpcd poll
593 593 3 0 180 ffffd78012363280 dhcpcd poll
592 592 3 1 180 ffffd78012363b00 dhcpcd poll
580 580 3 0 180 ffffd78012505740 dhcpcd poll
349 349 3 0 180 ffffd78012432b40 dhcpcd poll
348 348 3 1 180 ffffd780123636c0 dhcpcd poll
347 347 3 1 180 ffffd78012432700 dhcpcd poll
1 1 3 0 180 ffffd78011e1f900 init wait
0 821 3 0 200 ffffd780121861c0 physiod physiod
0 192 3 0 200 ffffd78012188200 pooldrain pooldrain
0 163 3 0 200 ffffd78012186a40 ioflush syncer
0 > 168 7 1 40200 ffffd78012186600 pgdaemon
0 162 3 1 200 ffffd780121045c0 usb7 usbevt
0 161 3 1 200 ffffd78012104180 usb6 usbevt
0 31 3 1 200 ffffd780120d59c0 usb5 usbevt
0 63 3 1 200 ffffd780120d5580 usb4 usbevt
0 126 3 1 200 ffffd780120d5140 usb3 usbevt
0 125 3 1 200 ffffd78012025980 usb2 usbevt
0 124 3 1 200 ffffd78012025540 usb1 usbevt
0 123 3 1 200 ffffd78012025100 usb0 usbevt
0 122 3 1 200 ffffd78011e2f940 usbtask-dr usbtsk
0 121 3 1 200 ffffd78011e2f500 usbtask-hc usbtsk
0 120 3 0 200 ffffd78011e2f0c0 npfgc0 npfgcw
0 119 3 1 200 ffffd78011e1f4c0 rt_free rt_free
0 118 3 1 200 ffffd78011e1f080 unpgc unpgc
0 117 3 1 200 ffffd78011e1c8c0 key_timehandler key_timehandler
0 116 3 1 200 ffffd78011e1c480 icmp6_wqinput/1 icmp6_wqinput
0 115 3 0 200 ffffd78011e1c040 icmp6_wqinput/0 icmp6_wqinput
0 114 3 1 200 ffffd78011ca9bc0 nd6_timer nd6_timer
0 113 3 1 200 ffffd78011ca9780 carp6_wqinput/1 carp6_wqinput
0 112 3 0 200 ffffd78011ca9340 carp6_wqinput/0 carp6_wqinput
0 111 3 1 200 ffffd78011ca6b40 carp_wqinput/1 carp_wqinput
0 110 3 0 200 ffffd78011ca6700 carp_wqinput/0 carp_wqinput
0 109 3 1 200 ffffd78011ca62c0 icmp_wqinput/1 icmp_wqinput
0 108 3 0 200 ffffd78011ca8740 icmp_wqinput/0 icmp_wqinput
0 107 3 1 200 ffffd780103c3ac0 rt_timer rt_timer
0 106 3 0 200 ffffd78011ca8300 vmem_rehash vmem_rehash
0 105 3 0 200 ffffd78011ca8b80 entbutler entropy
0 96 3 0 200 ffffd780117efb00 viomb balloon
0 30 3 1 200 ffffd780117ef6c0 vioif0_txrx/1 vioif0_txrx
0 29 3 0 200 ffffd780117ef280 vioif0_txrx/0 vioif0_txrx
0 27 3 0 200 ffffd780103c3680 scsibus0 sccomp
0 26 3 0 200 ffffd780103c3240 pms0 pmsreset
0 25 3 1 200 ffffd780103a7a80 xcall/1 xcall
0 24 1 1 200 ffffd780103a7640 softser/1
0 23 1 1 200 ffffd780103a7200 softclk/1
0 22 1 1 200 ffffd780103a5a40 softbio/1
0 21 1 1 200 ffffd780103a5600 softnet/1
0 20 1 1 201 ffffd780103a51c0 idle/1
0 19 3 0 200 ffffd7800f220a00 lnxpwrwq lnxpwrwq
0 18 3 1 200 ffffd7800f2205c0 lnxlngwq lnxlngwq
0 17 3 0 200 ffffd7800f220180 lnxsyswq lnxsyswq
0 16 3 0 200 ffffd7800f21b9c0 lnxrcugc lnxrcugc
0 15 3 0 200 ffffd7800f21b580 sysmon smtaskq
0 14 3 0 200 ffffd7800f21b140 pmfsuspend pmfsuspend
0 13 3 0 200 ffffd7800f217980 pmfevent pmfevent
0 12 3 0 200 ffffd7800f217540 sopendfree sopendfr
0 11 3 0 200 ffffd7800f217100 iflnkst iflnkst
0 10 3 0 200 ffffd7800f20e940 nfssilly nfssilly
0 9 3 0 200 ffffd7800f20e500 vdrain vdrain
0 8 3 1 200 ffffd7800f20e0c0 modunload mod_unld
0 7 3 0 200 ffffd7800ec0a900 xcall/0 xcall
0 6 1 0 200 ffffd7800ec0a4c0 softser/0
0 5 1 0 200 ffffd7800ec0a080 softclk/0
0 4 1 0 200 ffffd7800ec088c0 softbio/0
0 3 1 0 200 ffffd7800ec08480 softnet/0
0 2 1 0 201 ffffd7800ec08040 idle/0
0 0 3 0 200 ffffffff86252380 swapper uvm
[Locks tracked through LWPs]

****** LWP 24633.24633 (syz-executor.2) @ 0xffffd7801392a4c0, l_stat=2

*** Locks held:

* Lock 0 (initialized at pmap_ctor)
lock address : 0xffffd7801382e1c0 type : sleep/adaptive
initialized : 0xffffffff81896b40
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffd7801392a4c0 last held: 0xffffd7801392a4c0
last locked* : 0xffffffff818b130d unlocked : 0xffffffff818b7439
owner field : 0xffffd7801392a4c0 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 1151.1151 (syz-executor.4) @ 0xffffd7801369c540, l_stat=7

*** Locks held:

* Lock 0 (initialized at vcache_new)
lock address : 0xffffd78013636f80 type : sleep/adaptive
initialized : 0xffffffff8525bfdc
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffd7801369c540 last held: 0xffffd7801369c540
last locked* : 0xffffffff852e6a36 unlocked : 0xffffffff852e6de5
owner/count : 0xffffd7801369c540 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

* Lock 1 (initialized at vcache_new)
lock address : 0xffffd78013745200 type : sleep/adaptive
initialized : 0xffffffff8525bfdc
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffd7801369c540 last held: 0xffffd7801369c540
last locked* : 0xffffffff852e6a36 unlocked : 000000000000000000
owner/count : 0xffffd7801369c540 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

* Lock 2 (initialized at pool_init)
lock address : 0xffffffff8629c190 type : sleep/adaptive
initialized : 0xffffffff84f69c9f
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffd7801369c540 last held: 0xffffd7801369c540
last locked* : 0xffffffff84f6f28c unlocked : 0xffffffff84f724e4
owner field : 0xffffd7801369c540 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

* Lock 3 (initialized at uvm_map_setup)
lock address : 0xffffffff861e2718 type : sleep/adaptive
initialized : 0xffffffff84ba7580
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffd7801369c540 last held: 0xffffd7801369c540
last locked* : 0xffffffff84b7a0af unlocked : 0xffffffff84b97c6d
owner/count : 0xffffd7801369c540 flags : 0x0000000000000004
Turnstile: no active turnstile for this lock.

* Lock 4 (initialized at pmap_bootstrap)
lock address : 0xffffffff862cf0c0 type : sleep/adaptive
initialized : 0xffffffff818922bc
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffd7801369c540 last held: 0xffffd7801369c540
last locked* : 0xffffffff818be758 unlocked : 0xffffffff84b89d61
owner field : 0xffffd7801369c540 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 593.593 (dhcpcd) @ 0xffffd78012363280, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff862d1680 type : sleep/adaptive
initialized : 0xffffffff84d7c683
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffd78012363280 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 592.592 (dhcpcd) @ 0xffffd78012363b00, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff862d1680 type : sleep/adaptive
initialized : 0xffffffff84d7c683
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffd78012363b00 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 348.348 (dhcpcd) @ 0xffffd780123636c0, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff862d1680 type : sleep/adaptive
initialized : 0xffffffff84d7c683
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffd780123636c0 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 347.347 (dhcpcd) @ 0xffffd78012432700, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff862d1680 type : sleep/adaptive
initialized : 0xffffffff84d7c683
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffd78012432700 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.168 (pgdaemon) @ 0xffffd78012186600, l_stat=7

*** Locks held:

* Lock 0 (initialized at amap_ctor)
lock address : 0xffffd78013df2740 type : sleep/adaptive
initialized : 0xffffffff84b152ff
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffd78012186600 last held: 0xffffd78012186600
last locked* : 0xffffffff84bf0e37 unlocked : 0xffffffff84bf69f1
owner/count : 000000000000000000 flags : 000000000000000000
Turnstile: no active turnstile for this lock.

* Lock 1 (initialized at uvmpdpol_init)
lock address : 0xffffffff862d0100 type : sleep/adaptive
initialized : 0xffffffff84bf9edb
shared holds : 0 exclusive: 1
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 1
relevant lwp : 0xffffd78012186600 last held: 0xffffd78012186600
last locked* : 0xffffffff84bf6428 unlocked : 0xffffffff84bf63e5
owner field : 0xffffd78012186600 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

*** Locks wanted: none

****** LWP 0.23 (softclk/1) @ 0xffffd780103a7200, l_stat=1

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff862d1680 type : sleep/adaptive
initialized : 0xffffffff84d7c683
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 1 last held: 0
relevant lwp : 0xffffd780103a7200 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.11 (iflnkst) @ 0xffffd7800f217100, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff862d1680 type : sleep/adaptive
initialized : 0xffffffff84d7c683
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffd7800f217100 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

****** LWP 0.0 (swapper) @ 0xffffffff86252380, l_stat=3

*** Locks held: none

*** Locks wanted:

* Lock 0 (initialized at module_hook_init)
lock address : 0xffffffff862d1680 type : sleep/adaptive
initialized : 0xffffffff84d7c683
shared holds : 0 exclusive: 0
shares wanted: 0 exclusive: 0
relevant cpu : 0 last held: 0
relevant lwp : 0xffffffff86252380 last held: 000000000000000000
last locked : 000000000000000000 unlocked*: 000000000000000000
owner field : 000000000000000000 wait/spin: 0/0
Turnstile: no active turnstile for this lock.

[Locks tracked through CPUs]

PAGE FLAG PQ UOBJECT UANON
0xffffd78000017180 0041 00000000 0x0 0x0
0xffffd78000017200 0041 00000000 0x0 0x0
0xffffd78000017280 0041 00000000 0x0 0x0
0xffffd78000017300 0041 00000000 0x0 0x0
0xffffd78000017380 0041 00000000 0x0 0x0
0xffffd78000017400 0041 00000000 0x0 0x0
0xffffd78000017480 0041 00000000 0x0 0x0
0xffffd78000017500 0041 00000000 0x0 0x0
0xffffd78000017580 0041 00000000 0x0 0x0
0xffffd78000017600 0041 00000000 0x0 0x0
0xffffd78000017680 0041 00000000 0x0 0x0
0xffffd78000017700 0041 00000000 0x0 0x0
0xffffd78000017780 0041 00000000 0x0 0x0
0xffffd78000017800 0041 00000000 0x0 0x0
0xffffd78000017880 0041 00000000 0x0 0x0
0xffffd78000017900 0041 00000000 0x0 0x0
0xffffd78000017980 0041 00000000 0x0 0x0
0xffffd78000017a00 0041 00000000 0x0 0x0
0xffffd78000017a80 0041 00000000 0x0 0x0
0xffffd78000017b00 0041 00000000 0x0 0x0
0xffffd78000017b80 0041 00000000 0x0 0x0
0xffffd78000017c00 0041 00000000 0x0 0x0
0xffffd78000017c80 0041 00000000 0x0 0x0
0xffffd78000017d00 0041 00000000 0x0 0x0
0xffffd78000017d80 0041 00000000 0x0 0x0
0xffffd78000017e00 0041 00000000 0x0 0x0
0xffffd78000017e80 0041 00000000 0x0 0x0
0xffffd78000017f00 0041 00000000 0x0 0x0
0xffffd78000017f80 0041 00000000 0x0 0x0
0xffffd78000018000 0041 00000000 0x0 0x0
0xffffd78000018080 0041 00000000 0x0 0x0
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0xffffd78000026080 0001 00000000 0x0 0x0
0xffffd78000026100 0001 00000000 0x0 0x0
0xffffd78000026180 0001 00000000 0x0 0x0
0xffffd78000026200 0001 00000000 0x0 0x0
0xffffd78000026280 0001 00000000 0x0 0x0
0xffffd78000026300 0001 00000000 0x0 0x0
0xffffd78000026380 0001 00000000 0x0 0x0
0xffffd78000026400 0001 00000000 0x0 0x0
0xffffd78000026480 0001 00000000 0x0 0x0
0xffffd78000026500 0001 00000000 0x0 0x0
0xffffd78000026580 0001 00000000 0x0 0x0
0xffffd78000026600 0001 00000000 0x0 0x0
0xffffd78000026680 0001 00000000 0x0 0x0
0xffffd78000026700 0001 00000000 0x0 0x0
0xffffd78000026780 0001 00000000 0x0 0x0
0xffffd78000026800 0001 00000000 0x0 0x0
0xffffd78000026880 0001 00000000 0x0 0x0
0xffffd78000026900 0001 00000000 0x0 0x0
0xffffd78000026980 0001 00000000 0x0 0x0
0xffffd78000026a00 0001 00000000 0x0 0x0
0xffffd78000026a80 0001 00000000 0x0 0x0
0xffffd78000026b00 0001 00000000 0x0 0x0
0xffffd78000026b80 0001 00000000 0x0 0x0
0xffffd78000026c00 0001 00000000 0x0 0x0
0xffffd78000026c80 0001 00000000 0x0 0x0
0xffffd78000026d00 0001 00000000 0x0 0x0
0xffffd78000026d80 0001 00000000 0x0 0x0
0xffffd78000026e00 0001 00000000 0x0 0x0
0xffffd78000026e80 0001 00000000 0x0 0x0
0xffffd78000026f00 0001 00000000 0x0 0x0
0xffffd78000026f80 0001 00000000 0x0 0x0
0xffffd78000027000 0001 00000000 0x0 0x0
0xffffd78000027080 0001 00000000 0x0 0x0
0xffffd78000027100 0001 00000000 0x0 0x0
0xffffd78000027180 0001 00000000 0x0 0x0
0xffffd78000027200 0001 00000000 0x0 0x0
0xffffd78000027280 0001 00000000 0x0 0x0
0xffffd78000027300 0001 00000000 0x0 0x0
0xffffd78000027380 0001 00000000 0x0 0x0
0xffffd78000027400 0001 00000000 0x0 0x0
0xffffd78000027480 0001 00000000 0x0 0x0
0xffffd78000027500 0001 00000000 0x0 0x0
0xffffd78000027580 0001 00000000 0x0 0x0
0xffffd78000027600 0001 00000000 0x0 0x0
0xffffd78000027680 0001 00000000 0x0 0x0
0xffffd78000027700 0001 00000000 0x0 0x0
0xffffd78000027780 0001 00000000 0x0 0x0
0xffffd78000027800 0001 00000000 0x0 0x0
0xffffd78000027880 0001 00000000 0x0 0x0
0xffffd78000027900 0001 00000000 0x0 0x0
0xffffd78000027980 0001 00000000 0x0 0x0
0xffffd78000027a00 0001 00000000 0x0 0x0
0xffffd78000027a80 0001 00000000 0x0 0x0
0xffffd78000027b00 0001 00000000 0x0 0x0
0xffffd78000027b80 0001 00000000 0x0 0x0
0xffffd78000027c00 0001 00000000 0x0 0x0
0xffffd78000027c80 0001 00000000 0x0 0x0
0xffffd78000027d00 0001 00000000 0x0 0x0
0xffffd78000027d80 0001 00000000 0x0 0x0
0xffffd78000027e00 0001 00000000 0x0 0x0
0xffffd78000027e80 0001 00000000 0x0 0x0
0xffffd78000027f00 0001 00000000 0x0 0x0
0xffffd78000027f80 0001 00000000 0x0 0x0
0xffffd78000028000 0001 00000000 0x0 0x0
0xffffd78000028080 0001 00000000 0x0 0x0
0xffffd78000028100 0001 00000000 0x0 0x0
0xffffd78000028180 0001 00000000 0x0 0x0
0xffffd78000028200 0001 00000000 0x0 0x0
0xffffd78000028280 0001 00000000 0x0 0x0
0xffffd78000028300 0001 00000000 0x0 0x0
0xffffd78000028380 0001 00000000 0x0 0x0
0xffffd78000028400 0001 00000000 0x0 0x0
0xffffd78000028480 0001 00000000 0x0 0x0
0xffffd78000028500 0001 00000000 0x0 0x0
0xffffd78000028580 0001 00000000 0x0 0x0
0xffffd78000028600 0001 00000000 0x0 0x0
0xffffd78000028680 0001 00000000 0x0 0x0
0xffffd78000028700 0001 00000000 0x0 0x0
0xffffd78000028780 0001 00000000 0x0 0x0
0xffffd78000028800 0001 00000000 0x0 0x0
0xffffd78000028880 0001 00000000 0x0 0x0
0xffffd78000028900 0001 00000000 0x0 0x0
0xffffd78000028980 0001 00000000 0x0 0x0
0xffffd78000028a00 0001 00000000 0x0 0x0
0xffffd78000028a80 0001 00000000 0x0 0x0
0xffffd78000028b00 0001 00000000 0x0 0x0
0xffffd78000028b80 0001 00000000 0x0 0x0
0xffffd78000028c00 0001 00000000 0x0 0x0
0xffffd78000028c80 0001 00000000 0x0 0x0
0xffffd78000028d00 0001 00000000 0x0 0x0
0xffffd78000028d80 0001 00000000 0x0 0x0
0xffffd78000028e00 0001 00000000 0x0 0x0
0xffffd78000028e80 0001 00000000 0x0 0x0
0xffffd78000028f00 0001 00000000 0x0 0x0
0xffffd78000028f80 0001 00000000 0x0 0x0
0xffffd78000029000 0001 00000000 0x0 0x0
0xffffd78000029080 0001 00000000 0x0 0x0
0xffffd78000029100 0001 00000000 0x0 0x0
0xffffd78000029180 0001 00000000 0x0 0x0
0xffffd78000029200 0001 00000000 0x0 0x0
0xffffd78000029280 0001 00000000 0x0 0x0
0xffffd78000029300 0001 00000000 0x0 0x0
0xffffd78000029380 0001 00000000 0x0 0x0
0xffffd78000029400 0001 00000000 0x0 0x0
0xffffd78000029480 0001 00000000 0x0 0x0
0xffffd78000029500 0001 00000000 0x0 0x0
0xffffd78000029580 0001 00000000 0x0 0x0
0xffffd78000029600 0001 00000000 0x0 0x0
0xffffd78000029680 0001 00000000 0x0 0x0
0xffffd78000029700 0001 00000000 0x0 0x0
0xffffd78000029780 0001 00000000 0x0 0x0
0xffffd78000029800 0001 00000000 0x0 0x0
0xffffd78000029880 0001 00000000 0x0 0x0
0xffffd78000029900 0001 00000000 0x0 0x0
0xffffd78000029980 0001 00000000 0x0 0x0
0xffffd78000029a00 0001 00000000 0x0 0x0
0xffffd78000029a80 0001 00000000 0x0 0x0
0xffffd78000029b00 0001 00000000 0x0 0x0
0xffffd78000029b80 0001 00000000 0x0 0x0
0xffffd78000029c00 0001 00000000 0x0 0x0
0xffffd78000029c80 0001 00000000 0x0 0x0
0xffffd78000029d00 0001 00000000 0x0 0x0
0xffffd78000029d80 0001 00000000 0x0 0x0
0xffffd78000029e00 0001 00000000 0x0 0x0
0xffffd78000029e80 0001 00000000 0x0 0x0
0xffffd78000029f00 0001 00000000 0x0 0x0
0xffffd78000029f80 0001 00000000 0x0 0x0
0xffffd7800002a000 0001 00000000 0x0 0x0
0xffffd7800002a080 0001 00000000 0x0 0x0
0xffffd7800002a100 0001 00000000 0x0 0x0
0xffffd7800002a180 0001 00000000 0x0 0x0
0xffffd7800002a200 0001 00000000 0x0 0x0
0xffffd7800002a280 0001 00000000 0x0 0x0
0xffffd7800002a300 0001 00000000 0x0 0x0
0xffffd7800002a380 0001 00000000 0x0 0x0
0xffffd7800002a400 0001 00000000 0x0 0x0
0xffffd7800002a480 0001 00000000 0x0 0x0
0xffffd7800002a500 0001 00000000 0x0 0x0
0xffffd7800002a580 0001 00000000 0x0 0x0
0xffffd7800002a600 0001 00000000 0x0 0x0
0xffffd7800002a680

---
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syzbot

unread,
Mar 6, 2022, 10:31:19 AM3/6/22
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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