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Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Closed Patch
UBSan: Undefined Behavior in usb_free_device (2) -1 C 117 1302d 1403d 0/3 never 63debb924f1a usb(9): Record config index, not just number, in struct usbd_device. 445a3fe90a9a usb(9): Use ud_configidx, not ud_config, to see if unconfigured.
MSan: Uninitialized Memory in ip6_hopopts_input -1 C 6 540d 543d 3/3 540d f09779b4fc4e ip6_output: Initialize plen for ip6_hopopts_input.
UBSan: Undefined Behavior in dounmount -1 C 130 540d 543d 3/3 540d b7772f668d24 dounmount: Avoid &((struct vnode_impl *)NULL)->vi_vnode.
assert failed: sc->sc_parent->dk_rawopens > NUM -1 C 59 1109d 1140d 3/3 804d 804127267a30 dk(4): Use disk_begindetach and rely on vdevgone to close instances.
panic: kernel di.NUM=S2dagnostic assertion "uio->uio_iovcnt > NUM" failed: file "/syzkaller/managers/ci2-netbs 2 1 916d 916d 3/3 872d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: uAiio->uio_iovcnt > NUM -1 1 904d 904d 3/3 872d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: uio->uio_iovcnt > NUM -1 C 34 879d 1342d 3/3 872d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: %uio->uio_iovcnt > NUM -1 C 1 915d 915d 3/3 872d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
panic: keexecrnel diagnostic assertion "uio->uio_iovcnt > NUM" failed: file "/syzkaller/managers/ci2-netbsd-kubsan/kerne 2 syz 1 1119d 1119d 3/3 872d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
panic: F8kernel diagnostic assertion "uio->uio_iovcnt > NUM" failed: file "/syzkaller/managers/ci2-netbsd- 2 C 1 1342d 1342d 3/3 872d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
ASan: Unauthorized Access in uiomove -1 C 16 915d 1368d 3/3 872d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
panic: kernel dAiagnos@t ic assertion "uio->uio_iovcnt > NUM" failed: f 2 1 917d 917d 3/3 872d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: uio->uio_iohsyz-vcnt > NUM -1 C 1 915d 915d 3/3 872d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
panic: kernel diagnostic assertion "uio->uio_iovcnt > NUM" failed: file "/syzkaller/managers/ci2-netbsd-kmsa 2 1 906d 906d 3/3 872d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: !netq->netq_stopping -1 1 896d 896d 3/3 884d 2b696ab4fdff Fix missing check for netq->netq_stopping in vioif_rx_intr()
assert failed: sc->sc_dk.dk_openmask == NUM -1 C 22 886d 902d 3/3 885d 17fe932c5f6c dk(4): dkclose must handle a dying wedge too to close the parent. 76abd28dc391 ioctl(DIOCRMWEDGES): Delete only idle wedges.
assert failed: mutex_owned(&sc->sc_dk.dk_openlock) -1 4 897d 903d 3/3 896d 76e8386e9976 dk(4): Fix lock assertion in size increase: parent's, not wedge's.
UBSan: Undefined Behavior in tmpfs_reg_resize -1 1 898d 898d 3/3 896d 08655e8aab1e tmpfs: Refuse sizes that overflow round_page.
panic: LOCKDEBUG: Mutex error: mi_userret,NUM: sleep lock held 2 6 902d 903d 3/3 902d 569b1a993381 disk(9): Fix missing unlock in error branch in previous change.
netbsd boot error: panic: UBSan: Undefined Behavior in /syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/kern/subr_pserialize.c:LINE, member -1 39 911d 913d 3/3 909d 245f5e21b00b pserialize(9): Fix bug in recent micro-optimization.
panic: kernel debugging assertion "notin" failed: file "/syzkaller/managers/ci2-netbsd/kernel/sys/kern/subr_pserialize.c 2 1 910d 910d 3/3 909d 8727589ebb95 pserialize(9): Fix buggy assertion inside assertion.
UBSan: Undefined Behavior in playtone -1 C 1 925d 925d 3/3 924d 5d38fb5bcae7 spkr(4): Avoid some overflow issues.
ASan: Unauthorized Access in playtone -1 C 2 925d 925d 3/3 924d 5d38fb5bcae7 spkr(4): Avoid some overflow issues.
panic: sockaddr_copy: source too long, NUM < NUM bytes 2 C 9 927d 936d 3/3 925d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
ASan: Unauthorized Access in ifreq_setaddr (2) -1 7 925d 951d 3/3 925d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
MSan: Uninitialized Memory in ifreq_setaddr -1 C 8 926d 935d 3/3 925d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
ASan: Unauthorized Access in sockaddr_dup -1 C 3 931d 934d 3/3 925d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
MSan: Uninitialized Memory in sin_print -1 C 4 951d 967d 3/3 925d d425b16c66a5 sockaddr_alloc(9): Avoid uninitialized buffer in sockaddr_checklen.
assert failed: sa->sa_len <= sizeof(ifr.ifr_ifru) -1 C 10 926d 932d 3/3 925d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
ASan: Unauthorized Access in sat_print -1 C 10 926d 947d 3/3 925d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
netbsd boot error: ASan: Unauthorized Access in evcnt_attach_dynamic -1 33 932d 933d 3/3 927d 317ef74dd360 vioif(4): fix wrong memory allocation size
netbsd boot error: assert failed: len <= map->dm_mapsize - offset (2) -1 135 927d 930d 3/3 927d 31edf7b5b57e virtio(4): Fix sizing of virtqueue allocation.
netbsd boot error: page fault in virtio_free_vq -1 27 931d 933d 3/3 927d a66d32465828 Added check of pointer for allocated memory before release of resource
panic: kernel debugging assertion "off + len <= m_length(m0)" failed: file "/syzkaller/managers/ci2-netbsd-kubsan/kernel 2 syz 5 936d 954d 3/3 934d 4ae0945c2b68 in6: make sure a user-specified checksum field is within a packet
panic: kernel debugging assertion "off + len <= m_length(m0)" failed: file "/syzkaller/managers/ci2-netbsd/kernel/sys/ke 2 syz 1 936d 936d 3/3 934d 4ae0945c2b68 in6: make sure a user-specified checksum field is within a packet
panic: kernel debugging assertion "off + len <= m_length(m0)" failed: file "/syzkaller/managers/ci2-netbsd-kmsan/kernel/ 2 syz 3 936d 954d 3/3 934d 4ae0945c2b68 in6: make sure a user-specified checksum field is within a packet
assert failed: fmi->fmi_mount->mnt_lower == NULL -1 C 5 976d 985d 3/3 970d af759f02178d When mounting a union file system set its lower mount only on success.
assert failed: size > NUM -1 C 4 1003d 1003d 3/3 1001d 9e1aa1e4ed1b It is not sufficient to have a comment /* Sanity check the size. */, also check the size is greater than zero and a multiple of DEV_BSIZE.
protection fault in __asan_load4 -1 C 3 1089d 1242d 3/3 1024d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
page fault in __asan_load4 (3) -1 C 64 1039d 1194d 3/3 1024d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
page fault in ppptioctl -1 C 6 1078d 1183d 3/3 1024d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
protection fault in ppptioctl -1 C 3 1051d 1242d 3/3 1024d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
UBSan: Undefined Behavior in ppptioctl -1 C 9 1036d 1183d 3/3 1024d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
assert failed: bp->b_vp == vp -1 C 125 1026d 1746d 3/3 1025d 1f3bc2830b81 swap: disallow user opens of swap block device
panic: dead fs operation used (2) 2 C 8 1035d 1045d 3/3 1034d 85cb97f0d716 Harden layered file systems usage of field "mnt_lower" against forced unmounts of the lower layer.
page fault in VFS_STATVFS -1 syz 1 1042d 1042d 3/3 1034d 85cb97f0d716 Harden layered file systems usage of field "mnt_lower" against forced unmounts of the lower layer.
UBSan: Undefined Behavior in ip_ctloutput -1 C 22 1075d 1079d 3/3 1048d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
page fault in ip_ctloutput -1 C 18 1076d 1078d 3/3 1048d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
UBSan: Undefined Behavior in tcp_bind_wrapper -1 C 8 1076d 1079d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_shutdown_wrapper -1 C 45 1076d 1079d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_bind_wrapper -1 C 9 1077d 1079d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_recvoob_wrapper -1 C 23 1076d 1079d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_sockaddr_wrapper -1 C 32 1075d 1078d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in ip6_ctloutput -1 C 5 1076d 1078d 3/3 1048d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
page fault in ip_setmoptions -1 C 2 1078d 1078d 3/3 1048d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
page fault in ip6_ctloutput -1 C 4 1076d 1078d 3/3 1048d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
UBSan: Undefined Behavior in tcp_listen_wrapper -1 C 15 1076d 1079d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_connect_wrapper -1 C 23 1076d 1079d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_recvoob_wrapper -1 C 26 1076d 1079d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_sockaddr_wrapper -1 C 25 1075d 1079d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_connect_wrapper -1 C 18 1075d 1078d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_listen_wrapper -1 C 17 1075d 1078d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_shutdown_wrapper -1 C 36 1075d 1078d 3/3 1048d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in lf_advlock (3) -1 C 2 1072d 1072d 3/3 1048d 1a4aa843e5ad kern/vfs_lockf.c: Parenthesize to make arithmetic match check.
assert failed: !topdown || hint <= orig_hint -1 C 474 1052d 1224d 3/3 1051d 4d78161c33fb mmap(2): Avoid arithmetic overflow in search for free space.
page fault in umap_bypass -1 C 9 1054d 1060d 3/3 1052d db9cd5dd3e78 When testing whiteout support on the underlying file system union_mount() should not use a NULL componentname as not all file systems can handle it.
UBSan: Undefined behavior (7) -1 1 1059d 1059d 3/3 1052d db9cd5dd3e78 When testing whiteout support on the underlying file system union_mount() should not use a NULL componentname as not all file systems can handle it.
UBSan: Undefined Behavior in umap_bypass -1 C 30 1053d 1060d 3/3 1052d db9cd5dd3e78 When testing whiteout support on the underlying file system union_mount() should not use a NULL componentname as not all file systems can handle it.
assert failed: fstrans_is_owner(mp) (2) -1 C 3 1083d 1083d 3/3 1065d aac0938bfe9c Tmpfs_mount() uses tmpfs_unmount() for cleanup if set_statvfs_info() fails. This will not work as tmpfs_unmount() needs a suspended file system.
UBSan: Undefined Behavior in quota1_handle_cmd_get -1 C 2 1116d 1117d 3/3 1115d d111e83da20a compat_50_quota: reject invalid quota id types.
UBSan: Undefined Behavior in bpf_ioctl (2) -1 C 2 1135d 1135d 3/3 1134d 5e84044ef5a3 bpf(4): Reject bogus timeout values before arithmetic overflows.
page fault in raidioctl -1 1 1141d 1141d 3/3 1140d 8c026762c3a1 RAIDframe must be initialized for the RAIDFRAME_SET_LAST_UNIT and RAIDFRAME_SHUTDOWN ioctls.
assert failed: (l = dev->dv_detaching) == curlwp -1 C 2 1144d 1144d 3/3 1142d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
UBSan: Undefined Behavior in config_detach_commit -1 C 13 1143d 1154d 3/3 1142d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
panic: netbsd:vpanic+0x282 2 1 1163d 1163d 3/3 1142d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
page fault in __asan_load8 (6) -1 C 23 1143d 1182d 3/3 1142d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
page fault in config_detach_commit -1 C 8 1144d 1154d 3/3 1142d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
assert failed: dev->dv_detaching == curlwp -1 C 236 1155d 1270d 3/3 1142d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
assert failed: kpreempt_disabled() (2) -1 syz 4 1151d 1152d 3/3 1145d 1e8b246aa870 KERNEL_LOCK(9): Need kpreempt_disable to ipi_send, oops.
assert failed: curcpu() != ci -1 C 1 1151d 1151d 3/3 1151d e94ab9ad30fc KERNEL_LOCK(9): Record kernel lock holder in fast path too.
assert failed: lktype != LK_NONE -1 C 8 1273d 1273d 3/3 1153d Fix mistake in error branch locking caused by previous changes. vput(vp) also unlocks vp, thus unlocking happens twice in error flow causing kernel to panic with failed assertion lktype != LK_NONE in vfs_vnode.c#778. Thanks riastradh with finding the issue.
assert failed: sn->sn_opencnt -1 18 1161d 1259d 3/3 1155d 2ab99543441b specfs: Refuse to open a closing-in-progress block device.
MSan: Uninitialized Memory in rum_attach -1 syz 2 1156d 1156d 3/3 1155d 3259e3c92306 rum(4): Avoid uninitialized garbage in failed register read.
assert failed: sd->sd_closing -1 C 20 1187d 1274d 3/3 1155d 2ab99543441b specfs: Refuse to open a closing-in-progress block device.
assert failed: !fmi->fmi_gone -1 C 3 1178d 1178d 3/3 1157d 3221343e60bf Finish previous, evaluate the lowest mount on first access to "struct mount_info" and store it here so we no longer derefence the "struct mount" from fstrans_alloc_lwp_info().
page fault in vrefcnt -1 syz 2 1161d 1161d 3/3 1157d 440d02956565 raidframe: reject invalid values for numCol and numSpares
MSan: Uninitialized Memory in rf_UnconfigureVnodes -1 syz 5 1161d 1163d 3/3 1157d 440d02956565 raidframe: reject invalid values for numCol and numSpares
ASan: Unauthorized Access in rf_UnconfigureVnodes -1 syz 8 1161d 1163d 3/3 1157d 440d02956565 raidframe: reject invalid values for numCol and numSpares
panic: kmem_free(ADDR, NUM) != allocated size NUM; overwrote? 2 C 3 1166d 1166d 3/3 1157d bd3b97511997 ptyfs: Don't copy out cookies past end of buffer.
UBSan: Undefined Behavior in vrefcnt -1 syz 5 1161d 1163d 3/3 1157d 440d02956565 raidframe: reject invalid values for numCol and numSpares
UBSan: Undefined Behavior in sys_rasctl (2) -1 C 4 1159d 1160d 3/3 1159d 9bb32e73c033 rasctl(2): Avoid arithmetic overflow.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) (4) 2 C 4 1161d 1161d 3/3 1160d 388438075058 uirda(4): Unconditionally initializes mutexes and selq on attach.
netbsd boot error: panic: pmap_get_physpage: out of memory -1 51 1162d 1165d 3/3 1162d 1369379d4106 allow KMSAN to work again by restoring the limiting of kva even with NKMEMPAGES_MAX_UNLIMITED. we used to limit kva to 1/8 of physmem but limiting to 1/4 should be enough, and 1/4 still gives the kernel enough kva to map all of the RAM that KMSAN has not stolen.
UBSan: Undefined Behavior in sys_rasctl -1 C 10 1162d 1166d 3/3 1162d ab293a4a7778 rasctl(2): Avoid overflow in address range arithmetic.
ASan: Unauthorized Access in _prop_object_internalize_context_alloc -1 C 6 1164d 1165d 3/3 1162d efe5c7855eb5 proplib: Don't run off end of buffer with memcmp.
panic: ASan: Unauthorized Access In ADDR: Addr ADDR [NUM bytes, write, MallocRedZone] 2 C 1 1166d 1166d 3/3 1162d bd3b97511997 ptyfs: Don't copy out cookies past end of buffer.
UBSan: Undefined Behavior in lf_advlock (2) -1 C 2 1166d 1166d 3/3 1162d c176bd8b3461 kern/vfs_lockf.c: Fix overflow in overflow detection.
UBSan: Undefined Behavior in physio.cold -1 C 2 1680d 1680d 3/3 1188d c02dc4be552e physio(9): Avoid left shift of negative in alignment check.
assert failed: l->l_lid == pls->pl_lwpid -1 C 133 1189d 1968d 3/3 1188d 3f5ac2f440aa ptrace(PT_LWPSTATUS): Fix lid=0 case.
UBSan: Undefined Behavior in compat_43_ttioctl.cold (2) -1 C 119 1190d 1779d 3/3 1188d 1ee0fc7f9c22 tty_43: Do unsigned arithmetic to avoid shift into sign bits.
UBSan: Undefined Behavior in cpuctl_ioctl.cold -1 C 44 1191d 1661d 3/3 1189d 72a9875cfdda cpuio.h: Use uint8_t, not bool.
UBSan: Undefined Behavior in tty_get_qsize.cold.5 -1 C 63 1856d 1871d 3/3 1189d ad11505eeb84 tty: Avoid undefined behaviour (left shift of 1 by 31 places overflows int)
UBSan: Undefined Behavior in compat_43_ttioctl.cold.0 -1 C 122 1855d 1917d 3/3 1189d c32467e14928 tty_43: Check a bitset from userspace is valid before shifting it
assert failed: fli != NULL && !fli->fli_mountinfo->fmi_gone -1 C 4 1675d 1676d 3/3 1190d 42ef1506f14b While one thread runs vgone() it is possible for another thread to grab a "v_mount" that will be freed before it uses this mount for fstrans_start().
panic: dead fs operation used 2 C 109 1193d 1784d 3/3 1190d 4c6398a93d72 Make dead vfs ops "vfs_statvfs" and "vfs_vptofh" return EOPNOTSUPP. Both operations may originate from (possible dead) vnodes.
page fault in __asan_load8 (5) -1 C 2 1192d 1192d 3/3 1191d 98368ce402c5 ifioctl(9): Don't touch ifconf or ifreq until command is validated.
page fault in compat_ifconf -1 C 1 1192d 1192d 3/3 1191d 98368ce402c5 ifioctl(9): Don't touch ifconf or ifreq until command is validated.
UBSan: Undefined Behavior in compat_ifconf -1 C 37 1192d 1397d 3/3 1191d 98368ce402c5 ifioctl(9): Don't touch ifconf or ifreq until command is validated.
UBSan: Undefined Behavior in udv_attach -1 C 2 1194d 1194d 3/3 1193d 583a8e6e3a6f mmap(2): Prohibit overflowing offsets for non-D_NEGOFFSAFE devices.
MSan: Uninitialized Memory in pppioctl -1 C 3 1233d 1256d 3/3 1193d 59e62decad23 net/if_ppp.c: Avoid user-controlled overrun in PPPIOCSCOMPRESS.
MSan: Uninitialized Memory in ifq_enqueue (2) -1 C 6 1224d 1395d 3/3 1197d 311083ee523b sendto(2), recvfrom(2): Scrub internal struct msghdr on stack.
UBSan: Undefined Behavior in settime1.constprop.5 -1 C 6 1855d 1955d 3/3 1197d d5c20c2f7d03 kern_time: prevent the system clock from being set too low or high
page fault in __asan_store1 -1 C 23 1564d 1564d 3/3 1197d 6cfadad833d3 Improve Christos's vn_open fix.
UBSan: Undefined Behavior in route_filter -1 C 3 1198d 1198d 3/3 1197d 54579f919bf1 route(4): Use m_copydata, not misaligned mtod struct access.
UBSan: Undefined Behavior in lf_advlock -1 C 138 1200d 1961d 3/3 1198d 3ca83894cccd vfs(9): Avoid arithmetic overflow in lf_advlock.
assert failed: p != NULL (2) -1 C 5 1218d 1218d 3/3 1198d ee077f1ff323 uvideo(4): Make alloc logic match free logic.
MSan: Uninitialized Memory in comintr (2) -1 syz 3 1237d 1240d 3/3 1198d 501a519f2746 ktrace(9): Zero-initialize padding for ktr_psig records.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) (3) 2 C 4 1199d 1199d 3/3 1198d 1595c1ec759c upgt(4): Make upgt_free_cmd match upgt_alloc_cmd.
panic: LOCKDEBUG: Mutex error: mi_userret,116: sleep lock held 2 C 704 1198d 1838d 3/3 1198d 5d4501959988 sequencer(4): Fix lock leak in ioctl(FIOASYNC).
assert failed: (!cpu_intr_p() && !cpu_softintr_p()) || (pc->pc_pool.pr_ipl != IPL_NONE || cold || panicstr != NULL) -1 C 5398 1199d 1447d 3/3 1199d 9b17a1de3d64 ktrace(9): Fix mutex detection in ktrcsw. 7baa9e8e9079 sleepq(9): Pass syncobj through to sleepq_block.
panic: vfs load failed for `compat_12', error NUM (2) 2 1 1274d 1274d 3/3 1199d 9b17a1de3d64 ktrace(9): Fix mutex detection in ktrcsw.
UBSan: Undefined Behavior in compat_50_route_output (2) -1 C 3 1199d 1199d 3/3 1199d 0ac8a4883e80 route(4): Avoid unaligned access to struct rt_msghdr, take two.
assert failed: usp->tv_nsec >= NUM -1 C 31 1199d 1200d 3/3 1199d 85232e61d86a recvmmsg(2): More timespec validation.
assert failed: usp->tv_nsec < ADDRL -1 C 79 1199d 1200d 3/3 1199d 85232e61d86a recvmmsg(2): More timespec validation.
panic: ernel diagnostic assertion "(!cpu_intr_p() && !cpu_softintr_p()) || (pc->pc_pool.pr_ipl != IPL_NONE || cold || pa 2 1 1273d 1273d 3/3 1199d 9b17a1de3d64 ktrace(9): Fix mutex detection in ktrcsw.
page fault in rf_fail_disk -1 C 1 1202d 1202d 3/3 1200d cb9f2873bc80 RAIDframe must be initialized for the RAIDFRAME_FAIL_DISK80 ioctl.
page fault in uaudio_attach -1 C 3 1388d 1389d 3/3 1200d fccfc6a75979 Fix a null-deref
assert failed: pipe != NULL -1 C 5 1393d 1753d 3/3 1200d 04d39af408ac umidi(4): Fix fencepost in error branch.
panic: tcp_output: no template 2 C 5612 1202d 2419d 3/3 1200d 9515e062613e tcp(4): Bail early on sendoob if not connected.
assert failed: tp->t_oproc != NULL -1 C 3 1215d 1215d 3/3 1200d 332204ac46c2 remove KASSERT() checking for t_oproc at open since assigning this line discipline to a pty may not have that set. Instead do a runtime check to ensure that the function exists before calling it, as ttstart() handles it.
UBSan: Undefined Behavior in rf_fail_disk -1 C 2 1202d 1202d 3/3 1200d cb9f2873bc80 RAIDframe must be initialized for the RAIDFRAME_FAIL_DISK80 ioctl.
UBSan: Undefined Behavior in gettimeleft -1 C 20 1207d 1670d 3/3 1200d eaf33ef422b2 kern: Avoid arithmetic overflow in gettimeleft.
UBSan: Undefined Behavior in sys_recvmmsg -1 C 491 1202d 1890d 3/3 1200d f068c6af2cca recvmmsg(2): Avoid arithmetic overflow in timeout calculations.
ASan: Unauthorized Access in ktr_kuser -1 C 23 1210d 1446d 3/3 1201d c3bf6f9596ea sendmsg(2): Avoid buffer overrun in ktrace of invalid cmsghdr.
UBSan: Undefined Behavior in ts2timo (3) -1 C 16 1203d 1304d 3/3 1202d 54baa6cf231f kern: Use timespecsubok in ts2timo.
assert failed: requested_size > NUM -1 C 7 1204d 1227d 3/3 1202d 2b1f9e508ead umcs(4): Reject invalid interrupt endpoints.
UBSan: Undefined Behavior in dosetitimer.part.NUM -1 C 147 1203d 1325d 3/3 1202d 36bb851c524a setitimer(2): Guard against overflow in arithmetic.
UBSan: Undefined behavior (5) -1 1 1219d 1219d 3/3 1202d 8ebaf25c4728 route(4): Avoid unaligned access to struct rt_msghdr.
assert failed: ci != NULL -1 C 4 1232d 1232d 3/3 1202d ff733a254dd9 opencrypto(9): Fix missing initialization in error branch.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) (2) 2 C 8 1202d 1238d 3/3 1202d 9bef90fe6e34 emdtv(4): More attach/detach bugs.
UBSan: Undefined Behavior in itimer_callout -1 C 6 1210d 1265d 3/3 1202d 2699443359f1 setitimer(2): Avoid arithmetic overflow in periodic bookkeeping.
UBSan: Undefined Behavior in uao_detach -1 2 1271d 1271d 3/3 1270d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
ASan: Unauthorized Access in uvm_unmap_detach -1 C 7 1271d 1271d 3/3 1270d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
page fault in udv_detach -1 1 1271d 1271d 3/3 1270d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
panic: vrelel: bad ref count 2 C 2 1270d 1271d 3/3 1270d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
ASan: Unauthorized Access in uao_reference -1 1 1271d 1271d 3/3 1270d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
assert failed: (use & VUSECOUNT_MASK) > NUM -1 C 22 1270d 1271d 3/3 1270d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
page fault in uvm_mmap -1 1 1271d 1271d 3/3 1270d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
panic: [ NUM.ADDR] vpanic() at netbsd:vpanic+0x2f2 2 1 1271d 1271d 3/3 1270d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
ASan: Unauthorized Access in audio_track_set_format -1 1 1274d 1274d 3/3 1270d 2348e3fa2200 audio(4): Wait for opens to drain in detach.
assert failed: VOP_ISLOCKED(vp) == LK_EXCLUSIVE -1 C 73 1274d 1274d 3/3 1271d 7f28edca2400 sequencer(4): VOP_CLOSE requires vnode lock.
UBSan: Undefined Behavior in rnd_detach_source -1 C 9 1371d 1372d 3/3 1271d 89f519024a36 ucom(4): Make sure rndsource is attached before use and detach.
panic: spkr1 at audio1kernel diagnostic assertion "(target->prt_class == class)" failed: file "/syzkaller/managers/ci2-n 2 1 1291d 1291d 3/3 1271d 65a628cc3991 audio(4): Use d_cfdriver/devtounit to avoid open/detach races.
ASan: Unauthorized Access in uvideo_attach -1 1 1352d 1352d 3/3 1271d 0207ad5e9c01 uvideo(4): Parse descriptors more robustly.
netbsd boot error: fault in supervisor mode -1 9 1288d 1288d 3/3 1271d e86caeaead15 cgd(4): Omit technically-correct-but-broken adiantum dependency again.
netbsd boot error: assert failed: locks == curcpu()->ci_biglock_count -1 2 1291d 1291d 3/3 1271d a2bbd8e60824 Revert "kern: Sprinkle biglock-slippage assertions."
netbsd boot error: UBSan: Undefined Behavior in node_insert -1 1 1291d 1291d 3/3 1271d 0916fe48b6c1 thmap(9): Handle memory allocation failure in root_try_put.
netbsd boot error: assert failed: ci->ci_ilevel <= IPL_VM -1 18 1289d 1289d 3/3 1271d 22a2be59f9a4 cgd(4): Remove recently added dependency on adiantum.
MSan: Uninitialized Memory in umcs7840_attach -1 C 5 1271d 1273d 3/3 1271d d67e9a1cf03e umcs(4): Avoid using uninitialized data if register read fails.
netbsd boot error: assert failed: curlwp->l_pflag & LP_BOUND -1 36 1297d 1297d 3/3 1271d 517fa18875c3 entropy(9): Call entropy_softintr while bound to CPU.
netbsd boot error: MSan: Uninitialized Memory in bus_dmamap_sync -1 177 1344d 1352d 3/3 1289d 9fdc83c65c2c Initialize "replun" -- found with KMSAN.
ASan: Unauthorized Access in umidi_attach -1 C 69 1303d 1930d 3/3 1301d 4d8f12e265c1 umidi(4): Parse descriptors a little more robustly.
ASan: Unauthorized Access in usbd_get_no_alts -1 C 4 1388d 1664d 3/3 1301d 4fc17b686835 usbdi(9): Fix usbd_get_no_alts.
assert failed: filter->bf_insn != NULL -1 C 114 1307d 1885d 3/3 1305d b90f3afc19bc bpf(4): Handle null bf_insn on free.
UBSan: Undefined Behavior in do_posix_fadvise -1 1 1306d 1306d 3/3 1305d 841c8d016803 posix_fadvise(2): Detect arithmetic overflow without UB.
assert failed: fvp != tvp -1 C 11 1452d 1452d 3/3 1305d Don't use genfs_rename_knote() in the "rename foo over hard-link to itself" case, which simply results in removing the "from" name; there are assertions in genfs_rename_knote() that are too strong for that case.
assert failed: !(timo == NUM && intr == false) -1 C 4 1456d 1456d 3/3 1305d - microtime -> microuptime - avoid kpause with timeo=0
assert failed: kpreempt_disabled() -1 C 12 1306d 1307d 3/3 1306d 9529bac45e11 tun(4): Fix bug introduced in previous locking change.
assert failed: requested_size > 0 (2) -1 C 20 1388d 1752d 3/3 1306d 8d83d79bc57a umidi(4): Bail early if no endpoints.
panic: ugen0 at uhub3kernel diagnostic assertion "ret == NUM" failed: file "/syzkaller/managers/ci2-netbsd-kmsan/kernel/ 2 1 1313d 1313d 3/3 1306d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: pb->pb_pathcopyuses == NUM -1 C 3 1377d 1377d 3/3 1306d 5a9cf8fcf6e0 ccd(4): Only pathbuf_destroy if pathbuf_copyin succeeded.
assert failed: maxblksize > NUM -1 C 4 1357d 1373d 3/3 1306d 5bdcc4fe2017 pad(4): Do harmless, not harmful, integer truncation.
panic: pad3: outputs: 44100Hz, NUM-bit, stereo 2 C 1 1373d 1373d 3/3 1306d 5bdcc4fe2017 pad(4): Do harmless, not harmful, integer truncation.
panic: audio0: detached 2 1 1357d 1357d 3/3 1306d 5bdcc4fe2017 pad(4): Do harmless, not harmful, integer truncation.
UBSan: Undefined Behavior in vn_open -1 C 34 1563d 1564d 3/3 1306d PR/56286: Martin Husemann: Fix NULL deref on kmod load. - No need to set ret_domove and ret_fd in the regular case, they are meaningless - KASSERT instead of setting errno and then doing the NULL deref.
UBSan: Undefined Behavior in sys_lseek -1 C 2 1845d 1845d 3/3 1306d c7cd46af4347 vfs(9): Avoid arithmetic overflow in vn_seek.
assert failed: pb->pb_pathcopy == NULL -1 C 2 1377d 1377d 3/3 1306d 5a9cf8fcf6e0 ccd(4): Only pathbuf_destroy if pathbuf_copyin succeeded.
panic: cdce0: could not find data bulk in 2 syz 2 1392d 1392d 3/3 1306d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: KERNEL_LOCKED_P() -1 C 32 1581d 1581d 3/3 1306d ea2ec439285b autoconf(9): Take kernel lock in a few entry points.
panic: uhidev0: no report descriptor 2 syz 18 1318d 1917d 3/3 1306d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: ret == 0 -1 C 6950 1308d 1926d 3/3 1306d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: _bpfattach: out of memory (2) 2 3 1369d 1371d 3/3 1306d 6583daf00fe7 bpf(4): Nix KM_NOSLEEP and prune dead branch.
panic: vfs load failed for `compat_12', error NUM 2 1 1339d 1339d 3/3 1306d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: un->un_ops->uno_init -1 C 72 1316d 1318d 3/3 1306d ee8fc1216476 usbnet(9): uno_init is now optional.
panic: port NUM (addr NUM) disconnected 2 2 1345d 1373d 3/3 1306d 5ee164d90cec tun(4): Reduce lock from IPL_NET to IPL_SOFTNET.
panic: LOCKDEBUG: Mutex error: mutex_vector_enter,517: spin lock held 2 C 3 1552d 1552d 3/3 1307d 5ee164d90cec tun(4): Reduce lock from IPL_NET to IPL_SOFTNET.
panic: LOCKDEBUG: Mutex error: mutex_vector_enter,516: spin lock held (2) 2 C 1221 1307d 1934d 3/3 1307d 5ee164d90cec tun(4): Reduce lock from IPL_NET to IPL_SOFTNET.
UBSan: Undefined Behavior in ntp_adjtime1.cold -1 syz 17 1323d 1358d 3/3 1307d 2daa45d976fc ntp(9): Avoid left shift of negative.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) 2 C 16 1344d 1395d 3/3 1307d 6b71feb71da5 auvitek(4): Fix i2c detach if attach failed.
ASan: Unauthorized Access in usbd_fill_iface_data (2) -1 C 44 1310d 1763d 3/3 1307d 8c8ba8c43de4 usb: Parse descriptors a little more robustly.
UBSan: Undefined Behavior in nanosleep1 -1 C 2 1309d 1309d 3/3 1307d 7b0b7a803fb0 kern: Handle clock winding back in nanosleep1 without overflow.
UBSan: Undefined Behavior in ts2timo (2) -1 C 9 1311d 1403d 3/3 1307d 98755d357962 kern: Fix fencepost error in ts2timo overflow checks.
panic: kernel debugging assertion "pserialize_not_in_read_section()" failed: file "/syzkaller/managers/ci2-netbsd-kmsan/ (2) 2 1 1323d 1323d 3/3 1307d 9ab52bf87195 kern: Fix ordering of loads for pid_table and pid_tbl_mask.
panic: todo(ADDR) > MAXPHYS; minphys broken 2 C 98 1311d 1923d 3/3 1307d de8552b00ba2 kern: Use harmless, not harmful, integer truncation in physio.
MSan: Uninitialized Memory in proc_find_lwp_unlocked (3) -1 2 1395d 1476d 3/3 1307d 9ab52bf87195 kern: Fix ordering of loads for pid_table and pid_tbl_mask.
UBSan: Undefined Behavior in ntp_adjtime1 (2) -1 syz 4 1316d 1326d 3/3 1307d 9accb05adf48 ntp(9): Clamp ntv->offset to avoid arithmetic overflow on adjtime.
UBSan: Undefined Behavior in vn_seek -1 C 3 1310d 1367d 3/3 1307d c7cd46af4347 vfs(9): Avoid arithmetic overflow in vn_seek.
panic: kernel debugging assertion "pserialize_not_in_read_section()" failed: file "/syzkaller/managers/ci2-netbsd-kubsan 2 1 1322d 1322d 3/3 1307d 9ab52bf87195 kern: Fix ordering of loads for pid_table and pid_tbl_mask.
UBSan: Undefined Behavior in ktrace_thread -1 C 74 1309d 1446d 3/3 1308d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
netbsd boot error: panic: kmem_intr_free: zero size with pointer ADDR -1 12 1352d 1352d 3/3 1308d e68bc10fdb5f scsi(9): Handle bogus number of LUNs in SCSI_REPORT_LUNS.
UBSan: Undefined Behavior in config_devalloc -1 C 149 1783d 1900d 3/3 1308d 625d175f6f6b autoconf(9): Refuse to consider negative unit numbers in cfdata.
panic: TAILQ_* forw ADDR /syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/kern/kern_ktrace.c:LINE 2 C 5 1365d 1399d 3/3 1308d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
ASan: Unauthorized Access in cryptodev_mop -1 1 1364d 1364d 3/3 1308d b943dbddef07 crypto(4): Refuse count>1 for old CIOCNCRYPTM.
panic: TAILQ_* forw ADDR /syzkaller/managers/ci2-netbsd/kernel/sys/kern/kern_ktrace.c:LINE 2 C 22 1310d 1397d 3/3 1308d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
ASan: Unauthorized Access in ktrace_thread -1 1 1383d 1383d 3/3 1308d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
MSan: Uninitialized Memory in pathbuf_destroy -1 C 3 1377d 1377d 3/3 1308d 5a9cf8fcf6e0 ccd(4): Only pathbuf_destroy if pathbuf_copyin succeeded.
panic: genfs: bad op (2) 2 C 6 1308d 1382d 3/3 1308d 0dbc06c160e9 kernfs: Just fail with EOPNOTSUPP, don't panic, on VOP_BMAP.
page fault in ktrace_thread -1 syz 82 1309d 1404d 3/3 1308d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
panic: : playback 2 C 1 1357d 1357d 3/3 1308d 5bdcc4fe2017 pad(4): Do harmless, not harmful, integer truncation.
panic: TAILQ_PREREMOVE head ADDR elm ADDR /syzkaller/managers/ci2-netbsd/kernel/sys/kern/kern_ktrace.c:LINE 2 C 56 1308d 1446d 3/3 1308d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
panic: TAILQ_PREREMOVE head ADDR elm ADDR /syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/kern/kern_ktrace.c:LINE 2 syz 16 1309d 1440d 3/3 1308d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
UBSan: Undefined Behavior in adjtime1 -1 C 16 1309d 1352d 3/3 1308d 9ce97ae81c62 kern: Clamp time_adjtime to avoid overflow.
panic: TAILQ_PREREMOVE head ADDR elm ADDR /syzkaller/managers/ci2-netbsd/kernel/sys/kern/kern_ktrace.c:LINEuhub5: device 2 1 1379d 1379d 3/3 1308d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
MSan: Uninitialized Memory in emdtv_i2c_exec -1 C 5 1758d 1759d 3/3 1308d 6dc364f9e2c2 emdtv(4): If register read fails, read as all zero.
MSan: Uninitialized Memory in ktrace_thread -1 C 450 1309d 1447d 3/3 1308d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
panic: uhidev0: (0x0000) syz (0x0000), rev NUM.NUM/NUM.NUM, addr NUM, iclass NUM/NUM 2 1 1353d 1353d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: l diagnostic assertion "ret == NUM" failed: file "/syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/dev/usb/vhci.c 2 1 1384d 1384d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: ugen0: setting configuration index NUM failed 2 2 1357d 1400d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: urtwn0: failed to set configuration, err=IOERROR 2 1 1355d 1355d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhidev0: detached 2 3 1319d 1382d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub5: device problem, disabling port NUM 2 6 1310d 1394d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: cdce0: faking address 2 1 1328d 1328d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
UBSan: Undefined Behavior in compat_30_sys_getdents -1 C 3 1312d 1312d 3/3 1308d 8d388c5e20ee compat_30: Avoid what might be technically undefined behaviour.
panic: port NUM configuration NUM interface 0kernel diagnostic assertion "ret == NUM" failed: file "/syzkaller/managers 2 syz 1 1372d 1372d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: device problem, disabling port NUM 2 1 1376d 1376d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: cdce0: detached 2 1 1319d 1319d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhidev0: no input interrupt endpoint 2 C 6 1364d 1397d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub4: device problem, disabling port NUM 2 7 1327d 1397d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: "/syzkaller/managers/ci2-netbsd/kernel/sys/dev/usb/vhci.c", line NUM 2 1 1380d 1380d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub3: device problem, disabling port NUM 2 6 1318d 1385d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: (addr NUM) disconnected 2 1 1321d 1321d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub0: device problem, disabling port NUM 2 8 1309d 1382d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: urtwn0: failed to set configuration, err=TIMEOUT 2 1 1389d 1389d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: [ NUM.ADDR] vpanic() at netbsd:vpanic+0x2d0 2 6 1313d 1469d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: ernel diagnostic assertion "ret == NUM" failed: file "/syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/dev/usb/vh 2 4 1321d 1431d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub1: device problem, disabling port NUM 2 1 1339d 1339d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
UBSan: Undefined Behavior in bpf_ioctl -1 C 2 1342d 1342d 3/3 1308d 05192700cd5d bpf(4): Clamp read timeout to INT_MAX ticks to avoid overflow.
panic: ernel diagnostic assertion "ret == NUM" failed: file "/syzkaller/managers/ci2-netbsd/kernel/sys/dev/usb/vhci.c", 2 1 1372d 1372d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: [ NUM.ADDR] kernel diagnostic assertion "ret == NUM" failed: file "/syzkaller/managers/ci2-netbsd-kmsan/kernel/sy 2 1 1330d 1330d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: [ NUM.ADDR] vpanic() at netbsd:vpanic+0x9ec 2 2 1318d 1378d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
UBSan: Undefined Behavior in ffs_init_vnode.cold -1 C 2 1312d 1312d 3/3 1308d d8cd23d6aa6c ffs: Fix 64-bit inode integer truncation.
UBSan: Undefined Behavior in soreceive (2) -1 1 1317d 1317d 3/3 1308d 1c4297a22980 kern: m_copym(M_DONTWAIT) can fail; handle that case gracefully.
panic: ugen0 at uhub4 port 1kernel diagnostic assertion "ret == NUM" failed: file "/syzkaller/managers/ci2-netbsd/kernel 2 1 1369d 1369d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: [ NUM.ADDR] kernel diagnostic assertion "ret == NUM" failed: file "/syzkaller/managers/ci2-netbsd/kernel/sys/dev 2 2 1383d 1396d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub2: device problem, disabling port NUM 2 2 1311d 1362d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: nostic assertion "ret == NUM" failed: file "/syzkaller/managers/ci2-netbsd-kubsan/kernel/sys/dev/usb/vhci.c", lin 2 1 1324d 1324d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: [ NUM.ADDR] kernel diagnostic assertion "ret == NUM" failed: file "/syzkaller/managers/ci2-netbsd-kubsan/kernel/ 2 1 1365d 1365d 3/3 1308d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
ASan: Unauthorized Access in psignal (2) -1 C 7 1352d 1712d 3/3 1315d e30c3d8025bf usb(4): Use atomics for usb_async_proc.
panic: kernel diagnostic assertion "searchdir != foundobj" failed: file "/syzkaller/managers/ci2-netbsd- 2 1 1366d 1366d 3/3 1339d d832c645c7cf Remove the assertion "searchdir != foundobj" from lookup_crossmount().
assert failed: searchdir != foundobj -1 C 2326 1339d 1896d 3/3 1339d d832c645c7cf Remove the assertion "searchdir != foundobj" from lookup_crossmount().
panic: [ NUM.ADDR] kernel diagnostic assertion "searchdir != foundobj" failed: file "/syzkaller/managers/ci2-netbsd-kms 2 1 1365d 1365d 3/3 1339d d832c645c7cf Remove the assertion "searchdir != foundobj" from lookup_crossmount().
panic: spkr1 at audio1kernel diagnostic assertion "searchdir != foundobj" failed: file "/syzkaller/managers/ci2-netbsd/k 2 1 1361d 1361d 3/3 1339d d832c645c7cf Remove the assertion "searchdir != foundobj" from lookup_crossmount().
panic: vfs load failed for `udf', error 2kernel diagnostic assertion "searchdir != foundobj" failed: file "/syzkaller/ma 2 1 1359d 1359d 3/3 1339d d832c645c7cf Remove the assertion "searchdir != foundobj" from lookup_crossmount().
UBSan: Undefined Behavior in ntp_adjtime1 -1 1 1345d 1345d 3/3 1343d 13b44dbbb69d kernel: Avoid arithmetic overflow in ntp_adjtime.
UBSan: Undefined behavior (3) -1 1 1399d 1399d 3/3 1398d ee532b2421c3 Use unsigned to avoid undefined behavior. Found by kUBSan.
UBSan: Undefined Behavior in usb_free_device -1 syz 1 1460d 1460d 3/3 1457d 02983654f25e Revert "usb: uhub: remove unnecessary delays when powering on ports"
page fault in __asan_load1 -1 1 1460d 1460d 3/3 1457d 02983654f25e Revert "usb: uhub: remove unnecessary delays when powering on ports"
UBSan: Undefined Behavior in pppasyncstart.cold -1 18 1484d 1506d 3/3 1474d 44b1f8a1c3ff Use unsigned to avoid undefined behavior in pppasyncstart().
panic: _uvm_mapent_check: bad entry ADDR, line 2299 2 C 2 1568d 1569d 3/3 1562d 388be8fd3b90 in uvm_mapent_forkzero(), if the old entry was an object mapping, appease a debug check by setting the new entry offset to zero along with setting the new entry object pointer to NULL.
panic: _uvm_mapent_check: bad entry ADDR, line 1704 2 C 2 1568d 1569d 3/3 1562d 388be8fd3b90 in uvm_mapent_forkzero(), if the old entry was an object mapping, appease a debug check by setting the new entry offset to zero along with setting the new entry object pointer to NULL.
panic: _uvm_mapent_check: bad entry ADDR, line 2306 2 C 37 1636d 1909d 3/3 1562d 388be8fd3b90 in uvm_mapent_forkzero(), if the old entry was an object mapping, appease a debug check by setting the new entry offset to zero along with setting the new entry object pointer to NULL.
panic: genfs: bad op 2 C 31 1640d 1856d 3/3 1565d e3beb3764561 VOP_BMAP() may be called via ioctl(FIOGETBMAP) on any vnode that applications can open. change various pseudo-fs *_bmap methods return an error instead of panic.
netbsd boot error: UBSan: Undefined Behavior in AcpiNsRootInitialize -1 120 1595d 1600d 3/3 1594d d5b984e0de7e avoid dereferencing a constant string address as a UINT32 pointer, KUBSAN complains about bad alignment.
UBSan: Undefined Behavior in ts2timo -1 C 40 1604d 1962d 3/3 1594d 6f5e84c07140 ts2timo(9): refactor TIMER_ABSTIME handling
assert failed: (cnp->cn_flags & LOCKPARENT) == 0 || searchdir == NULL || VOP_ISLOCKED(searchdir) == LK_EXCLUSIVE (2) -1 C 1614 1607d 1935d 3/3 1594d 4af96c872b34 Honor LOCKPARENT for ".." of the root directory.
UBSan: Undefined Behavior in free_pipe -1 C 6 1683d 1753d 3/3 1594d 8c601f6c5ae7 fix free_all_endpoints() to not try calling free_pipe() when no endpoints are allocated; this can happen during config_detach() after attach fails
page fault in free_all_endpoints -1 C 2 1753d 1753d 3/3 1594d 8c601f6c5ae7 fix free_all_endpoints() to not try calling free_pipe() when no endpoints are allocated; this can happen during config_detach() after attach fails
UBSan: Undefined Behavior in fss_close -1 C 3 1803d 1813d 3/3 1749d e5ad6630f80f Check the return value of device_lookup_private against NULL.
UBSan: Undefined Behavior in quota1_handle_cmd_quotaoff -1 C 22 1760d 1892d 3/3 1750d 479d6bd7aed1 Avoid potentially accessing an array with an index out of range.
UBSan: Undefined Behavior in quota1_handle_cmd_quotaon -1 C 310 1753d 1898d 3/3 1750d 479d6bd7aed1 Avoid potentially accessing an array with an index out of range.
UBSan: Undefined Behavior in fsetown -1 C 643 1751d 1935d 3/3 1751d fe22bed11b62 Avoid negating the minimum size of pid_t (this overflows).
assert failed: semcnt >= 0 -1 C 1460 1761d 1903d 3/3 1761d d1d48122addb when updating the per-uid "semcnt", decrement the counter for the uid that created the ksem, not the uid of the process freeing the ksem. fixes PR 55509.
UBSan: Undefined Behavior in dosetitimer -1 C 62 1770d 1770d 3/3 1770d 46944f1c4d5d Fix an uninitialized pointer deref introduced in rev 1.207.
assert failed: ! (2) -1 C 4 1794d 1794d 3/3 1785d 98e71a6eeb52 When validating the mount device string make sure its length is below *data_len and below PATH_MAX.
panic: Suspending fresh file system failed 2 syz 44 1787d 1822d 3/3 1786d 0b5a6352dcf7 We have to ignore interrupts when suspending here the same way we have to do with revoke.
assert failed: fstrans_is_owner(mp) -1 C 789 1788d 1896d 3/3 1788d d8a571076ba6 Suspend file system before unmounting in mount_domount() error path to prevent diagnostic assertions from unmount/flush.
panic: kernel diagnostic assertion "fstrans_is_owner(mp)" failed: file "/syzkaller/managers/netbsd-kmsan/kernel/s 2 1 1840d 1840d 3/3 1788d d8a571076ba6 Suspend file system before unmounting in mount_domount() error path to prevent diagnostic assertions from unmount/flush.
panic: [ 222.ADDR] kernel diagnostic assertion "fstrans_is_owner(mp)" failed: file "/syzkaller/managers/netbsd-kmsan/ker 2 1 1852d 1852d 3/3 1788d d8a571076ba6 Suspend file system before unmounting in mount_domount() error path to prevent diagnostic assertions from unmount/flush.
UBSan: Undefined Behavior in ttioctl -1 1 1911d 1911d 3/3 1788d bf7b939a1a2d tty: Negating INT_MIN will overflow int, bail out with EINVAL
assert failed: (length != 0 || extblocks || LIST_EMPTY(&ovp->v_cleanblkhd)) -1 C 6 1816d 1911d 3/3 1788d 9235b59ee381 Lock the vnode while calling VOP_BMAP() for FIOGETBMAP.
UBSan: Undefined behavior -1 8 1822d 1896d 3/3 1788d ad11505eeb84 tty: Avoid undefined behaviour (left shift of 1 by 31 places overflows int)
panic: kernel diagnostic assertion "fstrans_is_owner(mp)" failed: file "/syzkaller/managers/netbsd-kmsan/kernel 2 1 1842d 1842d 3/3 1788d d8a571076ba6 Suspend file system before unmounting in mount_domount() error path to prevent diagnostic assertions from unmount/flush.
panic: kernel diagnostic assertion "fstrans_is_owner(mp)" failed: file "/syzkaller/managers/netbsd-kubsan/kernel/sys/ke 2 1 1841d 1841d 3/3 1788d d8a571076ba6 Suspend file system before unmounting in mount_domount() error path to prevent diagnostic assertions from unmount/flush.
UBSan: Undefined Behavior in compat_43_ttioctl.cold -1 C 116 1790d 1845d 3/3 1788d c32467e14928 tty_43: Check a bitset from userspace is valid before shifting it
UBSan: Undefined Behavior in tty_get_qsize -1 C 19 1871d 1917d 3/3 1870d 699b2c0a0a86 Add a check to prevent shift by -1. Not really important in this case, but to appease KUBSAN.
assert failed: rb_tree_find_node(&ugenif.tree, &sc->sc_unit) == sc -1 C 8 1880d 1881d 3/3 1879d 257aaf9afb72 Fix ugen detach after partial attach.
ASan: Unauthorized Access in nvlist_copyin -1 C 2 1905d 1905d 3/3 1879d 17ffbcbdab9a Add missing cases, to prevent memory corruption.
assert failed: 0 <= space && space <= ifc->ifc_len -1 C 4 1914d 1914d 3/3 1912d 0be10c48cf6f Don't accept negative value.
page fault in statvfs_to_statfs12_copy -1 C 5 1932d 1932d 3/3 1932d f2af77cb3adc Yet another idiotic compat syscall that was developed with literally zero test made. Simply invoking this syscall with _valid parameters_ triggers a fatal fault, because the kernel tries to write to userland addresses.
page fault in usbd_add_drv_event -1 C 2 1933d 1933d 3/3 1932d 6cac1dde29fb Fix NULL deref on attach failure. Found via vHCI fuzzing.
UBSan: Undefined Behavior in pipe_ioctl -1 C 1 1934d 1934d 3/3 1932d 60b6b2cd7463 Fix NULL deref. The original code before Jaromir's cleanup had an #ifndef block that wrongly contained the 'else' statement, causing the NULL check to have no effect.
ASan: Unauthorized Access in m_copydata -1 C 1 1935d 1935d 3/3 1934d 305ae8585db2 Ensure sockaddrs have valid lengths for RO_MISSFILTER.
assert failed: (cnp->cn_flags & LOCKPARENT) == 0 || searchdir == NULL || VOP_ISLOCKED(searchdir) == LK_EXCLUSIVE -1 C 2815 1935d 1983d 3/3 1935d 3e5fbb6583a3 remove special handling for symbolic links for COMPAT_43 lstat, it's not necessary; this removes the only places in kernel which did namei LOOKUP with LOCKPARENT
UBSan: Undefined Behavior in tunwrite -1 C 5 1936d 1936d 3/3 1935d 521e747162a6 Hum. Fix NULL deref triggerable with just write(0).
assert failed: p != NULL -1 1 2034d 2034d 3/3 1952d 3c214a3d995e Fix bohr bug triggered only once by syzkaller 2,5 months ago.
UBSan: Undefined Behavior in db_read_bytes -1 1 1955d 1955d 3/3 1953d 0f48bfb53e25 If the frame is not aligned, leave right away. This place probably needs to be revisited, because %rbp could easily contain garbage.
netbsd boot error: MSan: Uninitialized Memory in pmap_ctor -1 60 1958d 1962d 3/3 1957d 248fe10b7a27 Reported-by: syzbot+6dd5a230d19f0cbc7814@syzkaller.appspotmail.com
panic: LOCKDEBUG: Mutex error: mutex_vector_enter,516: spin lock held 2 C 95 1958d 1977d 3/3 1957d 134b16ca64ab Reported-by: syzbot+c1770938bb3fa7c085f2@syzkaller.appspotmail.com Reported-by: syzbot+ae26209c7d7f06e0b29f@syzkaller.appspotmail.com
ASan: Unauthorized Access in usbd_fill_iface_data -1 C 5 1959d 1959d 3/3 1957d 3774168381e9 If we failed because we didn't encounter an endpoint, do not attempt to read 'ed', because its value is past the end of the buffer, and we thus perform out-of-bounds accesses.
panic: kmem_intr_free: zero size with pointer ADDR 2 C 1 1959d 1959d 3/3 1957d 39045d90bd43 also set ifc->ui_endpoints to NULL in usbd_free_iface_data() when the value is freed, to make it impossible to re-enter this by mistake
UBSan: Undefined Behavior in process_read_fpregs -1 C 2 1965d 1965d 3/3 1957d 4660020b03f4 Introduce PTRACE_REGS_ALIGN, and on x86, enforce a 16-byte alignment, due to fpregs having fxsave which requires 16-byte alignment.
ASan: Unauthorized Access in usb_free_device -1 C 3 1958d 1959d 3/3 1957d 869e8f7b28b0 Reset ud_ifaces and ud_cdesc to NULL, to prevent use-after-free in usb_free_device().
assert failed: pmap->pm_ncsw == lwp_pctr() (2) -1 4 1960d 1962d 3/3 1957d 2ac4ea76ffcd Reported-by: syzbot+fd9be59aa613bbf4eba8@syzkaller.appspotmail.com Reported-by: syzbot+15dd4dbac6ed159faa4a@syzkaller.appspotmail.com Reported-by: syzbot+38fa02d3b0e46e57c156@syzkaller.appspotmail.com
assert failed: !pmap_extract(pmap, va, NULL) -1 syz 1 2034d 2034d 3/3 1971d 4cd60295b346 Reported-by: syzbot+3e3c7cfa8093f8de047e@syzkaller.appspotmail.com
panic: LOCKDEBUG: Mutex error: mutex_vector_enter,512: locking against myself 2 C 52 1972d 1977d 3/3 1971d fbbe5c9112a1 Reported-by: syzbot+0f38e4aed17c14cf0af8@syzkaller.appspotmail.com Reported-by: syzbot+c1770938bb3fa7c085f2@syzkaller.appspotmail.com Reported-by: syzbot+92ca248f1137c4b345d7@syzkaller.appspotmail.com Reported-by: syzbot+acfd688740461f7edf2f@syzkaller.appspotmail.com
MSan: Uninitialized Memory in ifq_enqueue -1 1 1975d 1975d 3/3 1975d 145523e8345f igmp_sendpkt() expects ip_output() to set 'imo.imo_multicast_ttl' into 'ip->ip_ttl'; but ip_output() won't if the target is not a multicast address, meaning that the uninitialized 'ip->ip_ttl' byte gets sent to the network. This leaks one byte of kernel heap.
MSan: Uninitialized Memory in nanosleep1 -1 C 8 1991d 2024d 3/3 1975d d9377f809390 Fix uninitialized memory access. Found by KMSAN.
netbsd boot error: panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/x86/x86/intr.c:LINE, member access -1 15 1987d 1989d 3/3 1985d 37beba86ee63 Explicitly align to 8 bytes, found by kUBSan.
netbsd boot error: panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/vfs_cache.c:LINE, left shift of AD -1 36 2028d 2028d 3/3 2020d 395a577cab63 Pacify a syzbot complaint about bit shifting.
assert failed: pmap->pm_stats.resident_count == PDP_SIZE -1 syz 22 2031d 2032d 3/3 2031d 398f36d55ce0 PR port-amd64/55083 (assertion "pmap->pm_stats.resident_count == PDP_SIZE" failed)
assert failed: ptp->wire_count == 1 -1 C 16 2032d 2033d 3/3 2032d 4538c4a0a4c9 Pacify assertion in a failure path.
assert failed: (opte & (PTE_A | PTE_P)) != PTE_A -1 C 15 2033d 2035d 3/3 2033d 4f0135d6fae3 - pmap_enter(): under low memory conditions, if PTP allocation succeeded and then PV entry allocation failed, PTP pages were being freed without their struct pmap_page being reset back to the non-PTP setup, which then caused havoc with pmap_page_removed(). Fix it.
panic: pmap_check_pv: ADDR/ADDR missing on pp ADDR 2 syz 60 2033d 2034d 3/3 2033d 4f0135d6fae3 - pmap_enter(): under low memory conditions, if PTP allocation succeeded and then PV entry allocation failed, PTP pages were being freed without their struct pmap_page being reset back to the non-PTP setup, which then caused havoc with pmap_page_removed(). Fix it.
netbsd boot error: panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/vfs_mount.c:LINE, member access wi -1 1446 2043d 2119d 3/3 2043d 431ed6f61bc2 - Pad kmem cache names with zeros so vmstat -m and -C are readable. - Exclude caches with size not a factor or multiple of the coherency unit. 4c7232d4a136 KMEM_SIZE: append the size_t to the allocated buffer, rather than prepending, so it doesn't screw up the alignment of the buffer.
ASan: Unauthorized Access in ifreq_setaddr -1 C 6 2108d 2108d 3/3 2043d 36f08dfcb97c Don't forget to initialize 'sin6_len'. With kASan, from time to time the value will be bigger than the size of the source, and we get a read overflow. With kMSan the uninitialized access is detected immediately.
MSan: Uninitialized Memory in getsockopt -1 C 37 2057d 2058d 3/3 2043d 559c53d028d6 Zero out 'tv', to prevent uninitialized bytes in its padding from leaking to userland. Found by kMSan.
assert failed: l->l_stat == LSONPROC -1 C 645 2055d 2068d 3/3 2043d f61617cee78c exit1(): remove from the radix tree before setting zombie status, as radix_tree_remove_node() can block on locks when freeing.
ASan: Unauthorized Access in mutex_oncpu -1 C 24521 2043d 2104d 3/3 2043d e78f9b4fde02 A final set of scheduler tweaks:
MSan: Uninitialized Memory in bus_dmamap_sync -1 C 16 2054d 2059d 3/3 2043d b1f6fd939ed8 Zero out the padding in 'd_namlen', to prevent info leaks. Same logic as ufs_makedirentry().
assert failed: ci->ci_tlbstate != TLBSTATE_VALID -1 C 123 2126d 2127d 3/3 2059d ea92f12b1800 uvm_pagerealloc() can now block because of radixtree manipulation, so defer freeing PTPs until pmap_unmap_ptes(), where we still have the pmap locked but can finally tolerate context switches again.
assert failed: pmap->pm_ncsw == curlwp->l_ncsw -1 C 30 2126d 2127d 3/3 2059d ea92f12b1800 uvm_pagerealloc() can now block because of radixtree manipulation, so defer freeing PTPs until pmap_unmap_ptes(), where we still have the pmap locked but can finally tolerate context switches again.
assert failed: pmap->pm_ncsw == lwp_pctr() -1 2 2120d 2123d 3/3 2059d 680f3a8667de pmap_get_ptp(): the uvm_pagefree() call in the failure case can block too. Pacify the assertion in pmap_unmap_ptes().
assert failed: pg->offset >= nextoff -1 C 10 2125d 2126d 3/3 2059d 3f49a1ff579b genfs_do_putpages(): add a missing call to uvm_page_array_advance().
netbsd boot error: panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/init_main.c:LINE, left shift of AD -1 9 2120d 2120d 3/3 2059d 1e5952fd4837 Fix integer overflow when printing available memory size (resulting from a cast lost during merges).
netbsd boot error: panic: LOCKDEBUG: Mutex error: _mutex_init,363: already initialized -1 51 2125d 2125d 3/3 2059d dc1bd2c9382b Fix LOCKDEBUG panic on mutex_init().
assert failed: lwp_locked(l, l->l_cpu->ci_schedstate.spc_lwplock) -1 C 2676 2147d 2148d 2/3 2144d lwp_start(): don't try to change the target CPU. Fixes potential panic in setrunnable(). Oops, experimental change that escaped.
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/netinet/tcp_congctl.c:LINE, unsigned in 2 syz 28 2153d 2165d 2/3 2153d 1f03898791a3 Don't allow zero sized segments that will panic the stack. Reported-by: syzbot+5542516fa4afe7a101e6@syzkaller.appspotmail.com
ASan: Unauthorized Access in __asan_load8 -1 syz 39 2157d 2277d 2/3 2155d 9ea67c54e50f in uvm_fault_lower_io(), fetch all the map entry values that we need before we unlock everything.
netbsd boot error: panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/dev/raidframe/rf_netbsdkintf.c:LINE, me -1 114 2174d 2177d 2/3 2155d 41eeee0166bf Get &rsc->sc_dksc only when we know 'rsc' is not NULL. This was actually harmless because we didn't use the pointer then.
panic: m_copydata(ADDR,2,48,ADDR): m=NULL, off=0 (48), len=2 (0) 2 C 3 2160d 2160d 2/3 2155d 624f3f7406ee Add more checks in ip6_pullexthdr, to prevent a panic in m_copydata. The Rip6 entry point could see a garbage Hop6 option.
netbsd boot error: panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/arch/x86/x86/pmap.c:LINE, member access -1 6 2155d 2156d 2/3 2155d 4acdfa6ced5b Add a NULL check on the structure pointer, not to retrieve its first field if it is NULL. The previous code was not buggy strictly speaking. This change probably doesn't change anything, except removing assumptions in the compiler optimization passes, which too probably doesn't change anything in this case.
netbsd boot error: panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/subr_disk_mbr.c:LINE, member acces -1 135 2166d 2171d 2/3 2155d 4e5cb50b58af Avoid unaligned pointer arithmetic in check_label_magic()
netbsd boot error: panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/vfs_subr.c:LINE, member access wit -1 99 2156d 2166d 2/3 2155d 473e202ba108 NULL-check the structure pointer, not the address of its first field. This is clearer and also appeases syzbot.
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/uipc_socket.c:LINE, null pointer p 2 C 3 2193d 2201d 2/3 2188d 7b43da9e77aa Add a check before the memcpy. memcpy is defined to never take NULL as second argument, and the compiler is free to perform optimizations knowing that this argument is never NULL.
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/net/rtsock_shared.c:LINE, shift exponen 2 C 91 2189d 2194d 2/3 2188d a1bd50f5a7d5 Error out if the type is beyond the storage size. No functional change, since the shift would otherwise 'and' against zero, returning EEXIST.
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/sys_ptrace_common.c:LINE, negation 2 C 2 2192d 2192d 2/3 2191d c18c9a670f07 Avoid signed integer overflow for -lwp where lwp is INT_MIN
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/kern_time.c:LINE, signed integer o 2 C 3 2197d 2198d 2/3 2197d 8e3fd5b6989c Check for valid timespec in clock_settime1()
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/subr_time.c:LINE, signed integer o 2 C 2 2199d 2199d 2/3 2198d ffd5d3e30b5f Avoid signed integer overflow in ts2timo() for ts->tv_nsec
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/uvm/uvm_mmap.c:LINE, left shift of 1 by 2 C 2 2198d 2198d 2/3 2198d 6c69d9fad1ca Avoid left shift changing the signedness flag
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/sysv_msg.c:LINE, negation of -ADDR 2 C 2 2198d 2198d 2/3 2198d fa6363e63652 Avoid -LONG_MIN msgtyp in msgrcv(2) and treat it as LONG_MAX
netbsd boot error: panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/crypto/nist_hash_drbg/nist_hash_drbg.c: -1 39 2214d 2215d 2/3 2200d 338a6d8211a1 Use an explicit run-time assertion where compile-time doesn't work.
panic: ifmedia_add: can't malloc entry 2 28 2202d 2278d 2/3 2201d 0ab44a811f8a in ifmedia_add(), use a wait-style memory allocation rather than not waiting and panic'ing if the allocation fails.
page fault in __asan_load8 -1 C 4 2203d 2235d 2/3 2201d db38f3713d52 in shmdt(), wait until shmat() completes before detaching.
page fault in shm_delete_mapping -1 syz 17 2336d 2348d 2/3 2201d db38f3713d52 in shmdt(), wait until shmat() completes before detaching.
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/kern_rndq.c:LINE, negation of -ADD 2 9 2205d 2211d 2/3 2204d 1c7f0224e7e0 Do all delta calculations strictly using uint32_t. Avoid integer overflows in calculating absolute deltas by subtracting the right way around.
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/net/rtsock_shared.c:LINE, member access 2 1 2210d 2210d 2/3 2209d 00ccc35339cc Disable __NO_STRICT_ALIGNMENT on amd64/i386 for UBSan builds
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/netinet6/scope6.c:LINE, member access w (2) 2 syz 91 2209d 2212d 2/3 2209d 00ccc35339cc Disable __NO_STRICT_ALIGNMENT on amd64/i386 for UBSan builds
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/sys_select.c:LINE, signed integer 2 C 2 2213d 2213d 2/3 2212d 7049e5e68831 Validate usec ranges in sys___select50()
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/netinet6/scope6.c:LINE, member access w 2 syz 73 2212d 2213d 2/3 2212d a5df2084c7a4 Decorate in6_clearscope() with __noubsan
panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/vfs_syscalls.c:LINE, signed intege 2 C 11 2212d 2213d 2/3 2212d 43bc9355ea3c Validate usec ranges in do_sys_utimes()
netbsd boot error: panic: UBSan: Undefined Behavior in /syzkaller/managers/netbsd-kubsan/kernel/sys/kern/subr_percpu.c:LINE, null pointer p -1 12 2215d 2215d 2/3 2214d 360cafb4be56 Decorate percpu_cpu_swap() with __noubsan
assert failed: buflen != 0 -1 syz 18 2220d 2220d 1/3 2220d 75eea5b7359a As I suspected, the KASSERT I added yesterday can fire if we try to process zero-sized packets. Skip them to prevent a type confusion that can trigger random page faults later.
assert failed: (c->c_flags & CALLOUT_PENDING) == 0 -1 C 2918 2284d 2421d 1/3 2221d 80a06cecc711 Fix race in timer destruction.
assert failed: c->c_cpu->cc_lwp == curlwp || c->c_cpu->cc_active != c -1 C 247 2282d 2422d 1/3 2239d 80a06cecc711 Fix race in timer destruction.
assert failed: to_ticks >= 0 (2) -1 C 70 2294d 2353d 1/3 2239d 4952945bc9cb Clamp tcp timer quantities to reasonable ranges.
assert failed: pg->wire_count != 0 (2) -1 C 174 2283d 2305d 1/3 2239d 95ce9a69b407 fix two bugs reported in https://syzkaller.appspot.com/bug?id=8840dce484094a926e1ec388ffb83acb2fa291c9
assert failed: pg->wire_count > 0 -1 C 6 2407d 2419d 1/3 2239d 6eb7fd2b53ce Acquire shmseg uobj reference while we hold shm_lock.
assert failed: uvm_page_locked_p(pg) -1 C 44 2283d 2293d 1/3 2283d b5e559801c7e Add missing lock around pmap_protect. ok, chs@
panic: LOCKDEBUG: Reader / writer lock error: rw_vector_exit,449: not held by current LWP 2 C 3 2297d 2298d 1/3 2296d e4c2eafeb5ab Fix bug, don't release the reflock if we didn't take it in the first place. Looks like there are other locking issues in here.
ASan: Unauthorized Access in exec_makepathbuf -1 syz 2 2304d 2304d 1/3 2299d abb1684df1f5 Fix buffer overflow. It seems that some people need to go back to the basics of C programming.
page fault in uvm_fault -1 C 2 2306d 2306d 1/3 2305d 00dad9ea5158 Correct wrong type of uio_seg passed to do_sys_mknodat()
assert failed: ! -1 2 2305d 2306d 1/3 2305d 00dad9ea5158 Correct wrong type of uio_seg passed to do_sys_mknodat()
assert failed: pmap->pm_obj[i].uo_npages == 0 -1 C 58 2335d 2416d 1/3 2306d in uvm_map_protect(), do a pmap_update() before possibly switching from removing pmap entries to creating them. this fixes the problem reported in https://syzkaller.appspot.com/bug?id=cc89e47f05e4eea2fd69bcccb5e837f8d1ab4d60
assert failed: pg->wire_count != 0 -1 C 45 2338d 2402d 1/3 2306d shmctl(SHM_LOCK) does not need to mess with mappings of the shm segment, uvm_obj_wirepages() is sufficient. this fixes the problem reported in https://syzkaller.appspot.com/bug?id=71f9271d761f5b6ed517a18030dc04f0135e6179
assert failed: mutex_owned(pipe->pipe_lock) -1 39 2359d 2419d 1/3 2352d 7abfdd368b0d Clean up pipe structure before recycling it.
assert failed: to_ticks >= 0 -1 C 2547 2371d 2421d 1/3 2371d 797b68a5c224 Add more checks, if the values are negative we hit a KASSERT later in the timeout.
ASan: Unauthorized Access in vioscsi_scsipi_request -1 syz 1841 2372d 2409d 1/3 2372d b60093a0824f Fix use-after-free. If we're not polling, virtio_enqueue_commit() will send the transaction, and it means 'xs' can be immediately freed. So, save the value of xs_control beforehand.
panic: receive 3 2 C 5 2413d 2422d 1/3 2385d c78c83f0efb3 Also check for MT_CONTROL, and end the receive operation if we see one. It is possible to get an MT_CONTROL if we sleep in MSG_WAITALL. The other BSDs do the same.
assert failed: vp->v_usecount != 0 -1 C 108 2404d 2420d 1/3 2404d 713042b84b5e Take a reference on ndp->ni_rootdir and ndp->ni_erootdir.
assert failed: vp->v_type == VREG -1 C 139 2410d 2420d 1/3 2410d 21e56f354bb4 Change vn_openchk() to fail VNON and VBAD with error ENXIO.
assert failed: vp->v_type == VREG || vp->v_type == VDIR -1 C 1085 2410d 2421d 1/3 2410d 21e56f354bb4 Change vn_openchk() to fail VNON and VBAD with error ENXIO.
assert failed: c->c_magic == CALLOUT_MAGIC -1 C 1645 2421d 2422d 1/3 2414d The callout is used by any nonvirtual timer including CLOCK_MONOTONIC and needs to be initialized.
assert failed: so->so_lock == NULL -1 C 5 2419d 2420d 1/3 2418d 516d295318eb Fix locking: it is fine if the lock is already key_so_mtx, this can happen in socketpair. In that case don't take it.
assert failed: so->so_pcb == NULL -1 C 6 2420d 2420d 1/3 2420d fa4f0f367829 Fix the order in udp6_attach: soreserve should be called before in6_pcballoc, otherwise if it fails there is still a PCB attached, and we hit a KASSERT in socreate. In !DIAGNOSTIC this would have caused a memory leak.
assert failed: requested_size > 0 -1 C 19 2420d 2421d 1/3 2420d 09915c34c237 Reading a directory may trigger a panic when the buffer is too small. Adjust necessary checks.
ASan bug (2) -1 C 347 2420d 2421d 1/3 2420d d020c71c0cee RIP6, CAN, SCTP and SCTP6 lack a length check in their _send() functions. Fix RIP6 and CAN, add a big XXX in the SCTP ones.
ASan bug -1 C 302 2421d 2422d 1/3 2421d d26f60da72b3 RIP, RIP6, DDP, SCTP and SCTP6 lack a length check in their _connect() functions. Fix the first three, and add a big XXX in the SCTP ones.