Hu&V=Mn-Mlt}ANj2F./file0./file0 ./file0@ ./file0./file0 [ 586.1719432] ASan: Unauthorized Access In 0xffffffff80f727fc: Addr 0xffffa600130d0b78 [8 bytes, read, PoolUseAfterFree] [ 586.1819594] #0 0xffffffff80f727fc in knote [ 586.1919763] #1 0xffffffff8102f89b in selnotify [ 586.1919763] #2 0xffffffff81027ac3 in pipeselwakeup [ 586.2019940] #3 0xffffffff81027da2 in pipeclose.part.0 [ 586.2120094] #4 0xffffffff81028042 in pipe_close [ 586.2120094] #5 0xffffffff80f69d90 in closef [ 586.2220257] #6 0xffffffff80f6da55 in fd_free [ 586.2320428] #7 0xffffffff80f7af6c in exit1 [ 586.2320428] #8 0xffffffff80fb8e34 in sigexit [ 586.2420673] #9 0xffffffff80fb9577 in sendsig [ 586.2420673] #10 0xffffffff80f8c9b1 in lwp_userret [ 586.2520755] #11 0xffffffff8026b493 in syscall [ 586.2620925] ASan: Unauthorized Access In 0xffffffff80f7280c: Addr 0xffffa600130d0bd8 [8 bytes, read, PoolUseAfterFree] [ 586.2721092] #0 0xffffffff80f7280c in knote [ 586.2721092] #1 0xffffffff8102f89b in selnotify [ 586.2821252] #2 0xffffffff81027ac3 in pipeselwakeup [ 586.2921442] #3 0xffffffff81027da2 in pipeclose.part.0 [ 586.2921442] #4 0xffffffff81028042 in pipe_close [ 586.3021587] #5 0xffffffff80f69d90 in closef [ 586.3021587] #6 0xffffffff80f6da55 in fd_free [ 586.3121749] #7 0xffffffff80f7af6c in exit1 00:00:00 executing program 1: setrlimit(0x8, &(0x7f0000000000)) accept(0xffffffffffffffff, 0x0, 0x0) setrlimit(0x0, &(0x7f0000000040)={0x8, 0x8}) [ 586.3221938] #8 0xffffffff80fb8e34 in sigexit [ 586.3221938] #9 0xffffffff80fb9577 in sendsig [ 586.3322090] #10 0xffffffff80f8c9b1 in lwp_userret [ 586.3322090] #11 0xffffffff8026b493 in syscall [ 586.3422268] panic: kernel diagnostic assertion "kn->kn_fop != NULL" failed: file "/syzkaller/managers/netbsd/kernel/sys/kern/kern_event.c", line 1653 [ 586.3522419] cpu1: Begin traceback... [ 586.3622583] vpanic() at netbsd:vpanic+0x214 [ 586.3722765] _GLOBAL__sub_D_65535_0_cpu_configure() at netbsd:_GLOBAL__sub_D_65535_0_cpu_configure [ 586.3822937] knote() at netbsd:knote+0x117 [ 586.3923099] selnotify() at netbsd:selnotify+0x30 [ 586.4023267] pipeselwakeup() at netbsd:pipeselwakeup+0x47 [ 586.4223591] pipeclose.part.0() at netbsd:pipeclose.part.0+0x8a [ 586.4323767] pipe_close() at netbsd:pipe_close+0x2b [ 586.4423940] closef() at netbsd:closef+0xf3 [ 586.4524097] fd_free() at netbsd:fd_free+0x174 [ 586.4624248] exit1() at netbsd:exit1+0x265 [ 586.4724432] sigexit() at netbsd:sigexit+0x33c [ 586.4824586] sendsig() at netbsd:sendsig [ 586.4924750] lwp_userret() at netbsd:lwp_userret+0x2db [ 586.5024946] syscall() at netbsd:syscall+0x413 [ 586.5024946] --- syscall (number 32) --- [ 586.5125077] 71cdf303e02a: [ 586.5125077] cpu1: End traceback... [ 586.5225240] dumping to dev 4,1 (offset=0, size=0): not possible [ 586.5225240] rebooting... SeaBIOS (version 1.8.2-20190322_093631-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 2 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f29c0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... >> NetBSD/x86 BIOS Boot, Revision 5.10 (Tue Jul 17 14:59:51 UTC 2018) (from NetBSD 8.0) >> Memory: 639/3144640 k 1. Boot normally 2. Boot single user 3. Disable ACPI 4. Disable ACPI and SMP 5. Drop to boot prompt