[ 72.1649081] panic: kernel diagnostic assertion "l->l_stat == LSONPROC" failed: file "/syzkaller/managers/netbsd/kernel/sys/kern/kern_sleepq.c", line 221 [ 72.1749302] cpu1: Begin traceback... [ 72.1749302] vpanic() at netbsd:vpanic+0x241 sys/kern/subr_prf.c:336 [ 72.1749302] _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure [ 72.1749302] sleepq_enqueue() at netbsd:sleepq_enqueue+0x1c9 sys/kern/kern_sleepq.c:221 [ 72.1749302] turnstile_block() at netbsd:turnstile_block+0x249 x86_curlwp sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:68 [inline] [ 72.1749302] turnstile_block() at netbsd:turnstile_block+0x249 KPREEMPT_DISABLE sys/sys/lwp.h:525 [inline] [ 72.1749302] turnstile_block() at netbsd:turnstile_block+0x249 sys/kern/kern_turnstile.c:438 [ 72.1749302] mutex_enter() at netbsd:mutex_enter+0x22f sys/kern/kern_mutex.c:692 [ 72.1749302] pool_put() at netbsd:pool_put+0x86 pool_put_quarantine sys/kern/subr_pool.c:2970 [inline] [ 72.1749302] pool_put() at netbsd:pool_put+0x86 sys/kern/subr_pool.c:1306 [ 72.1749302] radix_tree_remove_node() at netbsd:radix_tree_remove_node+0x2a4 sys/lib/libkern/../../../common/lib/libc/gen/radixtree.c:694 [ 72.1749302] exit1() at netbsd:exit1+0x13de sys/kern/kern_exit.c:571 [ 72.1749302] sys_exit() at netbsd:sys_exit+0x77 sys/kern/kern_exit.c:180 [ 72.1749302] syscall() at netbsd:syscall+0x57e sy_call sys/sys/syscallvar.h:65 [inline] [ 72.1749302] syscall() at netbsd:syscall+0x57e sy_invoke sys/sys/syscallvar.h:94 [inline] [ 72.1749302] syscall() at netbsd:syscall+0x57e sys/arch/x86/x86/syscall.c:138 [ 72.1749302] --- syscall (number 1) --- [ 72.1749302] 7a02d4799a6a: [ 72.1749302] cpu1: End traceback... [ 72.1749302] fatal breakpoint trap in supervisor mode [ 72.1749302] trap type 1 code 0 rip 0xffffffff8021e4b5 cs 0x8 rflags 0x246 cr2 0x76d2c1c63000 ilevel 0x8 rsp 0xffffd0818ae847c0 [ 72.1749302] curlwp 0xffffd0801207c540 pid 1086.1 lowest kstack 0xffffd0818ae7d2c0 Stopped in pid 1086.1 (syz-executor.0) at netbsd:breakpoint+0x5: leave ? breakpoint() at netbsd:breakpoint+0x5 db_panic() at netbsd:db_panic+0xe9 sys/ddb/db_panic.c:67 vpanic() at netbsd:vpanic+0x241 sys/kern/subr_prf.c:336 _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure sleepq_enqueue() at netbsd:sleepq_enqueue+0x1c9 sys/kern/kern_sleepq.c:221 turnstile_block() at netbsd:turnstile_block+0x249 x86_curlwp sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:68 [inline] turnstile_block() at netbsd:turnstile_block+0x249 KPREEMPT_DISABLE sys/sys/lwp.h:525 [inline] turnstile_block() at netbsd:turnstile_block+0x249 sys/kern/kern_turnstile.c:438 mutex_enter() at netbsd:mutex_enter+0x22f sys/kern/kern_mutex.c:692 pool_put() at netbsd:pool_put+0x86 pool_put_quarantine sys/kern/subr_pool.c:2970 [inline] pool_put() at netbsd:pool_put+0x86 sys/kern/subr_pool.c:1306 radix_tree_remove_node() at netbsd:radix_tree_remove_node+0x2a4 sys/lib/libkern/../../../common/lib/libc/gen/radixtree.c:694 exit1() at netbsd:exit1+0x13de sys/kern/kern_exit.c:571 sys_exit() at netbsd:sys_exit+0x77 sys/kern/kern_exit.c:180 syscall() at netbsd:syscall+0x57e sy_call sys/sys/syscallvar.h:65 [inline] syscall() at netbsd:syscall+0x57e sy_invoke sys/sys/syscallvar.h:94 [inline] syscall() at netbsd:syscall+0x57e sys/arch/x86/x86/syscall.c:138 --- syscall (number 1) --- 7a02d4799a6a: ds 47a0 es e11e fs 47a0 gs 47f0 rdi ffffd0800d92d488 rsi ffffd0801207c7f8 rbp ffffd0818ae847c0 rbx ffffd0816d893000 rdx 2 rcx ffffffff80d11b11 db_panic+0xd5 rax 0 r8 4 r9 1ffffffff0554b78 r10 ffffffff82aa5bc3 db_onpanic+0x3 r11 8000000000 r12 ffffd0816d8a4000 r13 ffffffff821a4120 sigprop+0x200 r14 ffffd0818ae84850 r15 ffffd0816d893068 rip ffffffff8021e4b5 breakpoint+0x5 cs 8 rflags 246 rsp ffffd0818ae847c0 ss 10 netbsd:breakpoint+0x5: leave PID LID S CPU FLAGS STRUCT LWP * NAME WAIT 753 1 2 1 10000000 ffffd0801202f780 syz-executor.3 789 1 2 0 40000 ffffd080120cfa00 syz-executor.5 964 3 3 0 80 ffffd0801204f8c0 syz-executor.1 parked 964 2 3 1 80 ffffd0801210db00 syz-executor.1 parked 964 > 1 7 0 10040000 ffffd080121202c0 syz-executor.1 979 2 4 1 1000000 ffffd08012c95b00 syz-executor.5 1003 2 3 0 80 ffffd0801210d280 syz-executor.5 parked 974 3 4 1 1000000 ffffd080116a1280 syz-executor.5 974 2 4 0 1000080 ffffd0801207c100 syz-executor.5 parked 974 1 4 0 11040000 ffffd080120f2a80 syz-executor.5 45 1 3 0 4 ffffd08013b2f100 syz-executor.4 biowait 440 1 2 0 0 ffffd08013ae5940 syz-executor.5 349 1 3 0 80 ffffd08013ae5500 syz-executor.3 nanoslp 601 1 3 0 80 ffffd08013ae50c0 syz-executor.2 pipe_rd 453 1 3 1 80 ffffd08013ac1900 syz-executor.1 nanoslp 40 1 3 0 80 ffffd08013ac1080 syz-executor.0 nanoslp 538 11 3 1 80 ffffd08013ac14c0 syz-fuzzer parked 538 10 3 0 80 ffffd080116a16c0 syz-fuzzer parked 538 9 3 1 80 ffffd08013a308c0 syz-fuzzer parked 538 8 3 1 80 ffffd08013a30040 syz-fuzzer parked 538 7 3 1 80 ffffd08013a2dbc0 syz-fuzzer parked 538 6 3 0 80 ffffd08013a2d780 syz-fuzzer parked 538 5 3 0 80 ffffd08013a2d340 syz-fuzzer parked 538 4 3 0 80 ffffd08012c7da80 syz-fuzzer parked 538 3 3 0 80 ffffd08012c7d640 syz-fuzzer parked 538 2 3 0 80 ffffd08012c86ac0 syz-fuzzer parked 538 1 3 1 80 ffffd08012b9b280 syz-fuzzer kqueue 535 1 3 0 80 ffffd08011c8c740 sshd select 496 1 3 0 80 ffffd08012c65180 getty nanoslp 562 1 3 0 80 ffffd08012c73600 getty nanoslp 556 1 3 0 80 ffffd08012c731c0 getty nanoslp 423 1 3 0 80 ffffd08012c5c580 getty ttyraw 543 1 3 1 80 ffffd08012b81ac0 cron nanoslp 539 1 3 0 80 ffffd08012bccb80 inetd kqueue 431 1 3 0 80 ffffd080121959c0 sshd select 458 1 3 1 80 ffffd08012131740 powerd kqueue 195 1 3 1 80 ffffd08012b9bb00 syslogd kqueue 278 1 3 0 80 ffffd08012142340 dhcpcd kqueue 220 1 3 0 80 ffffd0801205a080 dhcpcd kqueue 1 1 3 0 80 ffffd08011e37100 init wait 0 29 3 0 204 ffffd08011e37980 physiod physiod 0 48 3 0 204 ffffd08011e849c0 pooldrain pooldrain 0 47 3 0 200 ffffd08011e84580 ioflush syncer 0 46 3 0 200 ffffd08011e84140 pgdaemon pgdaemon 0 44 3 1 200 ffffd08011e37540 npfgc-0 npfgccv 0 43 3 1 204 ffffd08011e2a940 rt_free rt_free 0 42 3 1 204 ffffd08011e2a500 unpgc unpgc 0 41 3 0 204 ffffd08011e2a0c0 key_timehandler key_timehandler 0 40 3 1 204 ffffd08011e20900 icmp6_wqinput/1 icmp6_wqinput 0 39 3 0 204 ffffd08011e204c0 icmp6_wqinput/0 icmp6_wqinput 0 38 3 0 204 ffffd08011e20080 nd6_timer nd6_timer 0 37 3 1 204 ffffd08011e168c0 carp6_wqinput/1 carp6_wqinput 0 36 3 0 204 ffffd08011e16480 carp6_wqinput/0 carp6_wqinput 0 35 3 1 204 ffffd08011e16040 carp_wqinput/1 carp_wqinput 0 34 3 0 204 ffffd08011c9dbc0 carp_wqinput/0 carp_wqinput 0 33 3 1 204 ffffd08011c9d780 icmp_wqinput/1 icmp_wqinput 0 32 3 0 204 ffffd08011c9d340 icmp_wqinput/0 icmp_wqinput 0 31 3 0 204 ffffd08011c8cb80 rt_timer rt_timer 0 30 3 0 204 ffffd08011c8c300 vmem_rehash vmem_rehash 0 28 3 0 204 ffffd0800f35dac0 scsibus0 sccomp 0 27 3 0 200 ffffd0800f35d680 pms0 pmsreset 0 26 3 1 204 ffffd0800f35d240 xcall/1 xcall 0 25 1 1 200 ffffd0800f35ca80 softser/1 0 24 1 1 200 ffffd0800f35c640 softclk/1 0 23 1 1 200 ffffd0800f35c200 softbio/1 0 22 1 1 200 ffffd0800f26da40 softnet/1 0 21 1 1 201 ffffd0800f26d600 idle/1 0 20 3 0 204 ffffd0800f26d1c0 lnxpwrwq lnxpwrwq 0 19 3 0 204 ffffd0800f26ba00 lnxlngwq lnxlngwq 0 18 3 0 204 ffffd0800f26b5c0 lnxsyswq lnxsyswq 0 17 3 0 204 ffffd0800f26b180 lnxrcugc lnxrcugc 0 16 3 0 204 ffffd0800de4f9c0 sysmon smtaskq 0 15 3 0 204 ffffd0800de4f580 pmfsuspend pmfsuspend 0 14 3 0 204 ffffd0800de4f140 pmfevent pmfevent 0 13 3 0 204 ffffd0800de40980 sopendfree sopendfr 0 12 3 1 204 ffffd0800de40540 iflnkst iflnkst 0 11 3 0 204 ffffd0800de40100 nfssilly nfssilly 0 10 3 1 200 ffffd0800de34940 cachegc cachegc 0 9 3 0 204 ffffd0800de34500 vdrain vdrain 0 8 3 1 200 ffffd0800de340c0 modunload mod_unld 0 7 3 0 204 ffffd0800de24900 xcall/0 xcall 0 6 1 0 200 ffffd0800de244c0 softser/0 0 5 1 0 200 ffffd0800de24080 softclk/0 0 4 1 0 200 ffffd0800de218c0 softbio/0 0 3 1 0 200 ffffd0800de21480 softnet/0 0 2 1 0 201 ffffd0800de21040 idle/0 0 1 3 1 200 ffffffff82b6e280 swapper uvm [Locks tracked through LWPs] ****** LWP 753.1 (syz-executor.3) @ 0xffffd0801202f780, l_stat=2 *** Locks held: * Lock 0 (initialized at fork1) lock address : 0xffffd080120cbe50 type : sleep/adaptive initialized : 0xffffffff8115d08b shared holds : 0 exclusive: 1 shares wanted: 0 exclusive: 0 relevant cpu : 1 last held: 0 relevant lwp : 0xffffd0801202f780 last held: 0xffffd0801202f780 last locked* : 0xffffffff811596b9 unlocked : 000000000000000000 owner/count : 0xffffd0801202f780 flags : 0x0000000000000004 Turnstile: no active turnstile for this lock. * Lock 1 (initialized at uvm_obj_init) lock address : 0xffffd080139d66c0 type : sleep/adaptive initialized : 0xffffffff81103fb7 shared holds : 0 exclusive: 1 shares wanted: 0 exclusive: 0 relevant cpu : 1 last held: 0 relevant lwp : 0xffffd0801202f780 last held: 0xffffd0801202f780 last locked* : 0xffffffff810f7fb6 unlocked : 0xffffffff812c87b7 owner field : 0xffffd0801202f780 wait/spin: 0/0 Turnstile: no active turnstile for this lock. * Lock 2 (initialized at pmap_ctor) lock address : 0xffffd080120d2f80 type : sleep/adaptive initialized : 0xffffffff80276b39 shared holds : 0 exclusive: 1 shares wanted: 0 exclusive: 0 relevant cpu : 1 last held: 0 relevant lwp : 0xffffd0801202f780 last held: 0xffffd0801202f780 last locked* : 0xffffffff80277542 unlocked : 0xffffffff802777d7 owner field : 0xffffd0801202f780 wait/spin: 0/0 Turnstile: no active turnstile for this lock. * Lock 3 (initialized at pool_init) lock address : 0xffffd0800d93a0f0 type : sleep/adaptive initialized : 0xffffffff8120b0a9 shared holds : 0 exclusive: 1 shares wanted: 0 exclusive: 1 relevant cpu : 1 last held: 0 relevant lwp : 0xffffd0801202f780 last held: 0xffffd0801202f780 last locked* : 0xffffffff8120d8fc unlocked : 0xffffffff8120d9c3 owner field : 0xffffd0801202f780 wait/spin: 1/0 Turnstile: => 0 waiting readers: => 1 waiting writers: *** Locks wanted: none ****** LWP 964.1 (syz-executor.1) @ 0xffffd080121202c0, l_stat=7 *** Locks held: none *** Locks wanted: * Lock 0 (initialized at uvm_obj_init) lock address : 0xffffd08013afe980 type : sleep/adaptive initialized : 0xffffffff81103fb7 shared holds : 0 exclusive: 0 shares wanted: 0 exclusive: 1 relevant cpu : 0 last held: 0 relevant lwp : 0xffffd080121202c0 last held: 000000000000000000 last locked : 0xffffffff810e7d29 unlocked*: 0xffffffff810e54d2 owner field : 0xffffd080121202c0 wait/spin: 0/0 Turnstile: no active turnstile for this lock. ****** LWP 45.1 (syz-executor.4) @ 0xffffd08013b2f100, l_stat=3 *** Locks held: * Lock 0 (initialized at vcache_alloc) lock address : 0xffffd08013a36700 type : sleep/adaptive initialized : 0xffffffff812c7df2 shared holds : 0 exclusive: 1 shares wanted: 0 exclusive: 0 relevant cpu : 0 last held: 0 relevant lwp : 0xffffd08013b2f100 last held: 0xffffd08013b2f100 last locked* : 0xffffffff812f4c10 unlocked : 0xffffffff812f4acd owner/count : 0xffffd08013b2f100 flags : 0x0000000000000004 Turnstile: no active turnstile for this lock. * Lock 1 (initialized at vcache_alloc) lock address : 0xffffd08013cfc440 type : sleep/adaptive initialized : 0xffffffff812c7df2 shared holds : 0 exclusive: 1 shares wanted: 0 exclusive: 0 relevant cpu : 0 last held: 0 relevant lwp : 0xffffd08013b2f100 last held: 0xffffd08013b2f100 last locked* : 0xffffffff812f4c10 unlocked : 0xffffffff812f4acd [ 72.1749302] Skipping crash dump on recursive panic [ 72.1749302] panic: ASan: Unauthorized Access In 0xffffffff811995f0: Addr 0xffffd08013cfc440 [8 bytes, read, PoolUseAfterFree] [ 72.1749302] cpu1: Begin traceback... [ 72.1749302] vpanic() at netbsd:vpanic+0x241 sys/kern/subr_prf.c:336 [ 72.1749302] snprintf() at netbsd:snprintf [ 72.1749302] kasan_report() at netbsd:kasan_report+0x98 kasan_code_name sys/kern/subr_asan.c:186 [inline] [ 72.1749302] kasan_report() at netbsd:kasan_report+0x98 sys/kern/subr_asan.c:196 [ 72.1749302] __asan_load8() at netbsd:__asan_load8+0x294 kasan_shadow_4byte_isvalid sys/kern/subr_asan.c:346 [inline] [ 72.1749302] __asan_load8() at netbsd:__asan_load8+0x294 kasan_shadow_8byte_isvalid sys/kern/subr_asan.c:360 [inline] [ 72.1749302] __asan_load8() at netbsd:__asan_load8+0x294 kasan_shadow_check sys/kern/subr_asan.c:412 [inline] [ 72.1749302] __asan_load8() at netbsd:__asan_load8+0x294 sys/kern/subr_asan.c:1182 [ 72.1749302] rw_dump() at netbsd:rw_dump+0x20 sys/kern/kern_rwlock.c:186 [ 72.1749302] lockdebug_dump() at netbsd:lockdebug_dump+0x28d sys/kern/subr_lockdebug.c:787 [ 72.1749302] lockdebug_show_one() at netbsd:lockdebug_show_one+0xca sys/kern/subr_lockdebug.c:864 [ 72.1749302] lockdebug_show_all_locks() at netbsd:lockdebug_show_all_locks+0x303 lockdebug_show_all_locks_lwp sys/kern/subr_lockdebug.c:900 [inline] [ 72.1749302] lockdebug_show_all_locks() at netbsd:lockdebug_show_all_locks+0x303 sys/kern/subr_lockdebug.c:962 [ 72.1749302] db_command() at netbsd:db_command+0x2c0 sys/ddb/db_command.c:942 [ 72.1749302] db_command_loop() at netbsd:db_command_loop+0x26c db_execute_commandlist sys/ddb/db_command.c:439 [inline] [ 72.1749302] db_command_loop() at netbsd:db_command_loop+0x26c sys/ddb/db_command.c:589 [ 72.1749302] db_trap() at netbsd:db_trap+0x219 sys/ddb/db_trap.c:94 [ 72.1749302] kdb_trap() at netbsd:kdb_trap+0x1ce sys/arch/amd64/amd64/db_interface.c:246 [ 72.1749302] trap() at netbsd:trap+0x66a sys/arch/amd64/amd64/trap.c:313 [ 72.1749302] --- trap (number 1) --- [ 72.1749302] breakpoint() at netbsd:breakpoint+0x5 [ 72.1749302] db_panic() at netbsd:db_panic+0xe9 sys/ddb/db_panic.c:67 [ 72.1749302] vpanic() at netbsd:vpanic+0x241 sys/kern/subr_prf.c:336 [ 72.1749302] _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure [ 72.1749302] sleepq_enqueue() at netbsd:sleepq_enqueue+0x1c9 sys/kern/kern_sleepq.c:221 [ 72.1749302] turnstile_block() at netbsd:turnstile_block+0x249 x86_curlwp sys/arch/amd64/compile/obj/GENERIC_SYZKALLER/./machine/cpu.h:68 [inline] [ 72.1749302] turnstile_block() at netbsd:turnstile_block+0x249 KPREEMPT_DISABLE sys/sys/lwp.h:525 [inline] [ 72.1749302] turnstile_block() at netbsd:turnstile_block+0x249 sys/kern/kern_turnstile.c:438 [ 72.1749302] mutex_enter() at netbsd:mutex_enter+0x22f sys/kern/kern_mutex.c:692 [ 72.1749302] pool_put() at netbsd:pool_put+0x86 pool_put_quarantine sys/kern/subr_pool.c:2970 [inline] [ 72.1749302] pool_put() at netbsd:pool_put+0x86 sys/kern/subr_pool.c:1306 [ 72.1749302] radix_tree_remove_node() at netbsd:radix_tree_remove_node+0x2a4 sys/lib/libkern/../../../common/lib/libc/gen/radixtree.c:694 [ 72.1749302] exit1() at netbsd:exit1+0x13de sys/kern/kern_exit.c:571 [ 72.1749302] sys_exit() at netbsd:sys_exit+0x77 sys/kern/kern_exit.c:180 [ 72.1749302] syscall() at netbsd:syscall+0x57e sy_call sys/sys/syscallvar.h:65 [inline] [ 72.1749302] syscall() at netbsd:syscall+0x57e sy_invoke sys/sys/syscallvar.h:94 [inline] [ 72.1749302] syscall() at netbsd:syscall+0x57e sys/arch/x86/x86/syscall.c:138 [ 72.1749302] --- syscall (number 1) --- [ 72.1749302] 7a02d4799a6a: [ 72.1749302] cpu1: End traceback... [ 72.1749302] fatal breakpoint trap in supervisor mode [ 72.1749302] trap type 1 code 0 rip 0xffffffff8021e4b5 cs 0x8 rflags 0x246 cr2 0x76d2c1c63000 ilevel 0x8 rsp 0xffffd0818ae83d60 [ 72.1749302] curlwp 0xffffd0801207c540 pid 1086.1 lowest kstack 0xffffd0818ae7d2c0 Stopped in pid 1086.1 (syz-executor.0) at netbsd:breakpoint+0x5: leave