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Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Closed Patch
MSan: Uninitialized Memory in ip6_hopopts_input -1 C 6 476d 478d 3/3 475d f09779b4fc4e ip6_output: Initialize plen for ip6_hopopts_input.
UBSan: Undefined Behavior in dounmount -1 C 130 476d 478d 3/3 475d b7772f668d24 dounmount: Avoid &((struct vnode_impl *)NULL)->vi_vnode.
assert failed: sc->sc_parent->dk_rawopens > NUM -1 C 59 1045d 1076d 3/3 740d 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 852d 852d 3/3 808d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: uAiio->uio_iovcnt > NUM -1 1 840d 840d 3/3 808d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: uio->uio_iovcnt > NUM -1 C 34 815d 1277d 3/3 808d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: %uio->uio_iovcnt > NUM -1 C 1 850d 850d 3/3 808d 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 1055d 1055d 3/3 808d 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 1277d 1277d 3/3 808d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
ASan: Unauthorized Access in uiomove -1 C 16 850d 1304d 3/3 808d 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 852d 852d 3/3 808d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: uio->uio_iohsyz-vcnt > NUM -1 C 1 850d 850d 3/3 808d 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 841d 841d 3/3 808d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: !netq->netq_stopping -1 1 831d 831d 3/3 819d 2b696ab4fdff Fix missing check for netq->netq_stopping in vioif_rx_intr()
assert failed: sc->sc_dk.dk_openmask == NUM -1 C 22 821d 838d 3/3 821d 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 833d 838d 3/3 831d 76e8386e9976 dk(4): Fix lock assertion in size increase: parent's, not wedge's.
UBSan: Undefined Behavior in tmpfs_reg_resize -1 1 834d 834d 3/3 831d 08655e8aab1e tmpfs: Refuse sizes that overflow round_page.
panic: LOCKDEBUG: Mutex error: mi_userret,NUM: sleep lock held 2 6 838d 839d 3/3 838d 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 846d 849d 3/3 844d 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 845d 845d 3/3 844d 8727589ebb95 pserialize(9): Fix buggy assertion inside assertion.
UBSan: Undefined Behavior in playtone -1 C 1 861d 861d 3/3 860d 5d38fb5bcae7 spkr(4): Avoid some overflow issues.
ASan: Unauthorized Access in playtone -1 C 2 861d 861d 3/3 860d 5d38fb5bcae7 spkr(4): Avoid some overflow issues.
panic: sockaddr_copy: source too long, NUM < NUM bytes 2 C 9 863d 871d 3/3 861d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
ASan: Unauthorized Access in ifreq_setaddr (2) -1 7 861d 887d 3/3 861d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
MSan: Uninitialized Memory in ifreq_setaddr -1 C 8 861d 871d 3/3 861d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
ASan: Unauthorized Access in sockaddr_dup -1 C 3 867d 870d 3/3 861d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
MSan: Uninitialized Memory in sin_print -1 C 4 887d 903d 3/3 861d d425b16c66a5 sockaddr_alloc(9): Avoid uninitialized buffer in sockaddr_checklen.
assert failed: sa->sa_len <= sizeof(ifr.ifr_ifru) -1 C 10 862d 867d 3/3 861d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
ASan: Unauthorized Access in sat_print -1 C 10 862d 883d 3/3 861d 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 867d 869d 3/3 862d 317ef74dd360 vioif(4): fix wrong memory allocation size
netbsd boot error: assert failed: len <= map->dm_mapsize - offset (2) -1 135 863d 865d 3/3 862d 31edf7b5b57e virtio(4): Fix sizing of virtqueue allocation.
netbsd boot error: page fault in virtio_free_vq -1 27 867d 868d 3/3 862d 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 872d 890d 3/3 869d 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 872d 872d 3/3 869d 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 872d 890d 3/3 869d 4ae0945c2b68 in6: make sure a user-specified checksum field is within a packet
assert failed: fmi->fmi_mount->mnt_lower == NULL -1 C 5 912d 920d 3/3 906d af759f02178d When mounting a union file system set its lower mount only on success.
assert failed: size > NUM -1 C 4 938d 939d 3/3 937d 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 1025d 1177d 3/3 960d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
page fault in __asan_load4 (3) -1 C 64 975d 1130d 3/3 960d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
page fault in ppptioctl -1 C 6 1014d 1118d 3/3 960d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
protection fault in ppptioctl -1 C 3 986d 1177d 3/3 960d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
UBSan: Undefined Behavior in ppptioctl -1 C 9 971d 1118d 3/3 960d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
assert failed: bp->b_vp == vp -1 C 125 962d 1682d 3/3 960d 1f3bc2830b81 swap: disallow user opens of swap block device
panic: dead fs operation used (2) 2 C 8 971d 981d 3/3 969d 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 978d 978d 3/3 969d 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 1011d 1014d 3/3 983d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
page fault in ip_ctloutput -1 C 18 1011d 1014d 3/3 983d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
UBSan: Undefined Behavior in tcp_bind_wrapper -1 C 8 1012d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_shutdown_wrapper -1 C 45 1011d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_bind_wrapper -1 C 9 1013d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_recvoob_wrapper -1 C 23 1011d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_sockaddr_wrapper -1 C 32 1011d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in ip6_ctloutput -1 C 5 1012d 1014d 3/3 983d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
page fault in ip_setmoptions -1 C 2 1014d 1014d 3/3 983d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
page fault in ip6_ctloutput -1 C 4 1012d 1014d 3/3 983d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
UBSan: Undefined Behavior in tcp_listen_wrapper -1 C 15 1011d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_connect_wrapper -1 C 23 1011d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_recvoob_wrapper -1 C 26 1011d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_sockaddr_wrapper -1 C 25 1011d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_connect_wrapper -1 C 18 1011d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_listen_wrapper -1 C 17 1011d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_shutdown_wrapper -1 C 36 1011d 1014d 3/3 983d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in lf_advlock (3) -1 C 2 1008d 1008d 3/3 984d 1a4aa843e5ad kern/vfs_lockf.c: Parenthesize to make arithmetic match check.
assert failed: !topdown || hint <= orig_hint -1 C 474 987d 1159d 3/3 987d 4d78161c33fb mmap(2): Avoid arithmetic overflow in search for free space.
page fault in umap_bypass -1 C 9 989d 995d 3/3 988d 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 994d 994d 3/3 988d 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 989d 995d 3/3 988d 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 1018d 1018d 3/3 1001d 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 1052d 1052d 3/3 1051d d111e83da20a compat_50_quota: reject invalid quota id types.
UBSan: Undefined Behavior in bpf_ioctl (2) -1 C 2 1070d 1070d 3/3 1069d 5e84044ef5a3 bpf(4): Reject bogus timeout values before arithmetic overflows.
page fault in raidioctl -1 1 1077d 1077d 3/3 1076d 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 1080d 1080d 3/3 1077d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
UBSan: Undefined Behavior in config_detach_commit -1 C 13 1079d 1090d 3/3 1077d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
panic: netbsd:vpanic+0x282 2 1 1098d 1098d 3/3 1077d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
page fault in __asan_load8 (6) -1 C 23 1079d 1118d 3/3 1077d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
page fault in config_detach_commit -1 C 8 1079d 1090d 3/3 1077d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
assert failed: dev->dv_detaching == curlwp -1 C 236 1091d 1206d 3/3 1077d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
assert failed: kpreempt_disabled() (2) -1 syz 4 1087d 1087d 3/3 1081d 1e8b246aa870 KERNEL_LOCK(9): Need kpreempt_disable to ipi_send, oops.
assert failed: curcpu() != ci -1 C 1 1087d 1087d 3/3 1086d e94ab9ad30fc KERNEL_LOCK(9): Record kernel lock holder in fast path too.
assert failed: lktype != LK_NONE -1 C 8 1209d 1209d 3/3 1088d 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 1096d 1194d 3/3 1091d 2ab99543441b specfs: Refuse to open a closing-in-progress block device.
MSan: Uninitialized Memory in rum_attach -1 syz 2 1091d 1091d 3/3 1091d 3259e3c92306 rum(4): Avoid uninitialized garbage in failed register read.
assert failed: sd->sd_closing -1 C 20 1123d 1210d 3/3 1091d 2ab99543441b specfs: Refuse to open a closing-in-progress block device.
assert failed: !fmi->fmi_gone -1 C 3 1114d 1114d 3/3 1092d 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 1097d 1097d 3/3 1092d 440d02956565 raidframe: reject invalid values for numCol and numSpares
MSan: Uninitialized Memory in rf_UnconfigureVnodes -1 syz 5 1096d 1098d 3/3 1092d 440d02956565 raidframe: reject invalid values for numCol and numSpares
ASan: Unauthorized Access in rf_UnconfigureVnodes -1 syz 8 1096d 1098d 3/3 1092d 440d02956565 raidframe: reject invalid values for numCol and numSpares
panic: kmem_free(ADDR, NUM) != allocated size NUM; overwrote? 2 C 3 1102d 1102d 3/3 1092d bd3b97511997 ptyfs: Don't copy out cookies past end of buffer.
UBSan: Undefined Behavior in vrefcnt -1 syz 5 1096d 1098d 3/3 1093d 440d02956565 raidframe: reject invalid values for numCol and numSpares
UBSan: Undefined Behavior in sys_rasctl (2) -1 C 4 1095d 1096d 3/3 1095d 9bb32e73c033 rasctl(2): Avoid arithmetic overflow.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) (4) 2 C 4 1097d 1097d 3/3 1096d 388438075058 uirda(4): Unconditionally initializes mutexes and selq on attach.
netbsd boot error: panic: pmap_get_physpage: out of memory -1 51 1098d 1101d 3/3 1098d 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 1098d 1101d 3/3 1098d ab293a4a7778 rasctl(2): Avoid overflow in address range arithmetic.
ASan: Unauthorized Access in _prop_object_internalize_context_alloc -1 C 6 1100d 1100d 3/3 1098d 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 1102d 1102d 3/3 1098d bd3b97511997 ptyfs: Don't copy out cookies past end of buffer.
UBSan: Undefined Behavior in lf_advlock (2) -1 C 2 1101d 1101d 3/3 1098d c176bd8b3461 kern/vfs_lockf.c: Fix overflow in overflow detection.
UBSan: Undefined Behavior in physio.cold -1 C 2 1616d 1616d 3/3 1124d c02dc4be552e physio(9): Avoid left shift of negative in alignment check.
assert failed: l->l_lid == pls->pl_lwpid -1 C 133 1124d 1904d 3/3 1124d 3f5ac2f440aa ptrace(PT_LWPSTATUS): Fix lid=0 case.
UBSan: Undefined Behavior in compat_43_ttioctl.cold (2) -1 C 119 1126d 1715d 3/3 1124d 1ee0fc7f9c22 tty_43: Do unsigned arithmetic to avoid shift into sign bits.
UBSan: Undefined Behavior in cpuctl_ioctl.cold -1 C 44 1127d 1597d 3/3 1124d 72a9875cfdda cpuio.h: Use uint8_t, not bool.
UBSan: Undefined Behavior in tty_get_qsize.cold.5 -1 C 63 1792d 1806d 3/3 1124d 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 1791d 1853d 3/3 1124d 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 1611d 1611d 3/3 1126d 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 1128d 1719d 3/3 1126d 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 1128d 1128d 3/3 1127d 98368ce402c5 ifioctl(9): Don't touch ifconf or ifreq until command is validated.
page fault in compat_ifconf -1 C 1 1128d 1128d 3/3 1127d 98368ce402c5 ifioctl(9): Don't touch ifconf or ifreq until command is validated.
UBSan: Undefined Behavior in compat_ifconf -1 C 37 1128d 1333d 3/3 1127d 98368ce402c5 ifioctl(9): Don't touch ifconf or ifreq until command is validated.
UBSan: Undefined Behavior in udv_attach -1 C 2 1129d 1129d 3/3 1128d 583a8e6e3a6f mmap(2): Prohibit overflowing offsets for non-D_NEGOFFSAFE devices.
MSan: Uninitialized Memory in pppioctl -1 C 3 1169d 1191d 3/3 1128d 59e62decad23 net/if_ppp.c: Avoid user-controlled overrun in PPPIOCSCOMPRESS.
MSan: Uninitialized Memory in ifq_enqueue (2) -1 C 6 1160d 1331d 3/3 1132d 311083ee523b sendto(2), recvfrom(2): Scrub internal struct msghdr on stack.
UBSan: Undefined Behavior in settime1.constprop.5 -1 C 6 1791d 1891d 3/3 1133d d5c20c2f7d03 kern_time: prevent the system clock from being set too low or high
page fault in __asan_store1 -1 C 23 1499d 1500d 3/3 1133d 6cfadad833d3 Improve Christos's vn_open fix.
UBSan: Undefined Behavior in route_filter -1 C 3 1134d 1134d 3/3 1133d 54579f919bf1 route(4): Use m_copydata, not misaligned mtod struct access.
UBSan: Undefined Behavior in lf_advlock -1 C 138 1136d 1896d 3/3 1133d 3ca83894cccd vfs(9): Avoid arithmetic overflow in lf_advlock.
assert failed: p != NULL (2) -1 C 5 1154d 1154d 3/3 1133d ee077f1ff323 uvideo(4): Make alloc logic match free logic.
MSan: Uninitialized Memory in comintr (2) -1 syz 3 1173d 1176d 3/3 1133d 501a519f2746 ktrace(9): Zero-initialize padding for ktr_psig records.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) (3) 2 C 4 1135d 1135d 3/3 1133d 1595c1ec759c upgt(4): Make upgt_free_cmd match upgt_alloc_cmd.
panic: LOCKDEBUG: Mutex error: mi_userret,116: sleep lock held 2 C 704 1134d 1773d 3/3 1133d 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 1135d 1383d 3/3 1135d 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 1209d 1209d 3/3 1135d 9b17a1de3d64 ktrace(9): Fix mutex detection in ktrcsw.
UBSan: Undefined Behavior in compat_50_route_output (2) -1 C 3 1135d 1135d 3/3 1135d 0ac8a4883e80 route(4): Avoid unaligned access to struct rt_msghdr, take two.
assert failed: usp->tv_nsec >= NUM -1 C 31 1135d 1135d 3/3 1135d 85232e61d86a recvmmsg(2): More timespec validation.
assert failed: usp->tv_nsec < ADDRL -1 C 79 1135d 1136d 3/3 1135d 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 1209d 1209d 3/3 1135d 9b17a1de3d64 ktrace(9): Fix mutex detection in ktrcsw.
page fault in rf_fail_disk -1 C 1 1138d 1138d 3/3 1136d cb9f2873bc80 RAIDframe must be initialized for the RAIDFRAME_FAIL_DISK80 ioctl.
page fault in uaudio_attach -1 C 3 1324d 1325d 3/3 1136d fccfc6a75979 Fix a null-deref
assert failed: pipe != NULL -1 C 5 1329d 1689d 3/3 1136d 04d39af408ac umidi(4): Fix fencepost in error branch.
panic: tcp_output: no template 2 C 5612 1138d 2354d 3/3 1136d 9515e062613e tcp(4): Bail early on sendoob if not connected.
assert failed: tp->t_oproc != NULL -1 C 3 1151d 1151d 3/3 1136d 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 1138d 1138d 3/3 1136d cb9f2873bc80 RAIDframe must be initialized for the RAIDFRAME_FAIL_DISK80 ioctl.
UBSan: Undefined Behavior in gettimeleft -1 C 20 1143d 1606d 3/3 1136d eaf33ef422b2 kern: Avoid arithmetic overflow in gettimeleft.
UBSan: Undefined Behavior in sys_recvmmsg -1 C 491 1137d 1825d 3/3 1136d f068c6af2cca recvmmsg(2): Avoid arithmetic overflow in timeout calculations.
ASan: Unauthorized Access in ktr_kuser -1 C 23 1145d 1381d 3/3 1137d c3bf6f9596ea sendmsg(2): Avoid buffer overrun in ktrace of invalid cmsghdr.
UBSan: Undefined Behavior in ts2timo (3) -1 C 16 1138d 1239d 3/3 1138d 54baa6cf231f kern: Use timespecsubok in ts2timo.
assert failed: requested_size > NUM -1 C 7 1140d 1163d 3/3 1138d 2b1f9e508ead umcs(4): Reject invalid interrupt endpoints.
UBSan: Undefined Behavior in dosetitimer.part.NUM -1 C 147 1139d 1260d 3/3 1138d 36bb851c524a setitimer(2): Guard against overflow in arithmetic.
UBSan: Undefined behavior (5) -1 1 1155d 1155d 3/3 1138d 8ebaf25c4728 route(4): Avoid unaligned access to struct rt_msghdr.
assert failed: ci != NULL -1 C 4 1167d 1168d 3/3 1138d ff733a254dd9 opencrypto(9): Fix missing initialization in error branch.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) (2) 2 C 8 1138d 1174d 3/3 1138d 9bef90fe6e34 emdtv(4): More attach/detach bugs.
UBSan: Undefined Behavior in itimer_callout -1 C 6 1146d 1200d 3/3 1138d 2699443359f1 setitimer(2): Avoid arithmetic overflow in periodic bookkeeping.
UBSan: Undefined Behavior in uao_detach -1 2 1207d 1207d 3/3 1206d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
ASan: Unauthorized Access in uvm_unmap_detach -1 C 7 1206d 1207d 3/3 1206d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
page fault in udv_detach -1 1 1206d 1206d 3/3 1206d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
panic: vrelel: bad ref count 2 C 2 1206d 1206d 3/3 1206d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
ASan: Unauthorized Access in uao_reference -1 1 1207d 1207d 3/3 1206d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
assert failed: (use & VUSECOUNT_MASK) > NUM -1 C 22 1206d 1207d 3/3 1206d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
page fault in uvm_mmap -1 1 1206d 1206d 3/3 1206d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
panic: [ NUM.ADDR] vpanic() at netbsd:vpanic+0x2f2 2 1 1207d 1207d 3/3 1206d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
ASan: Unauthorized Access in audio_track_set_format -1 1 1210d 1210d 3/3 1206d 2348e3fa2200 audio(4): Wait for opens to drain in detach.
assert failed: VOP_ISLOCKED(vp) == LK_EXCLUSIVE -1 C 73 1209d 1210d 3/3 1206d 7f28edca2400 sequencer(4): VOP_CLOSE requires vnode lock.
UBSan: Undefined Behavior in rnd_detach_source -1 C 9 1306d 1307d 3/3 1206d 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 1226d 1226d 3/3 1206d 65a628cc3991 audio(4): Use d_cfdriver/devtounit to avoid open/detach races.
ASan: Unauthorized Access in uvideo_attach -1 1 1287d 1287d 3/3 1206d 0207ad5e9c01 uvideo(4): Parse descriptors more robustly.
netbsd boot error: fault in supervisor mode -1 9 1224d 1224d 3/3 1206d e86caeaead15 cgd(4): Omit technically-correct-but-broken adiantum dependency again.
netbsd boot error: assert failed: locks == curcpu()->ci_biglock_count -1 2 1226d 1226d 3/3 1206d a2bbd8e60824 Revert "kern: Sprinkle biglock-slippage assertions."
netbsd boot error: UBSan: Undefined Behavior in node_insert -1 1 1226d 1226d 3/3 1206d 0916fe48b6c1 thmap(9): Handle memory allocation failure in root_try_put.
netbsd boot error: assert failed: ci->ci_ilevel <= IPL_VM -1 18 1225d 1225d 3/3 1206d 22a2be59f9a4 cgd(4): Remove recently added dependency on adiantum.
MSan: Uninitialized Memory in umcs7840_attach -1 C 5 1207d 1209d 3/3 1206d d67e9a1cf03e umcs(4): Avoid using uninitialized data if register read fails.
netbsd boot error: assert failed: curlwp->l_pflag & LP_BOUND -1 36 1232d 1233d 3/3 1206d 517fa18875c3 entropy(9): Call entropy_softintr while bound to CPU.
netbsd boot error: MSan: Uninitialized Memory in bus_dmamap_sync -1 177 1279d 1288d 3/3 1224d 9fdc83c65c2c Initialize "replun" -- found with KMSAN.
ASan: Unauthorized Access in umidi_attach -1 C 69 1239d 1866d 3/3 1236d 4d8f12e265c1 umidi(4): Parse descriptors a little more robustly.
ASan: Unauthorized Access in usbd_get_no_alts -1 C 4 1324d 1600d 3/3 1237d 4fc17b686835 usbdi(9): Fix usbd_get_no_alts.
assert failed: filter->bf_insn != NULL -1 C 114 1243d 1820d 3/3 1241d b90f3afc19bc bpf(4): Handle null bf_insn on free.
UBSan: Undefined Behavior in do_posix_fadvise -1 1 1242d 1242d 3/3 1241d 841c8d016803 posix_fadvise(2): Detect arithmetic overflow without UB.
assert failed: fvp != tvp -1 C 11 1388d 1388d 3/3 1241d 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 1391d 1391d 3/3 1241d - microtime -> microuptime - avoid kpause with timeo=0
assert failed: kpreempt_disabled() -1 C 12 1242d 1242d 3/3 1242d 9529bac45e11 tun(4): Fix bug introduced in previous locking change.
assert failed: requested_size > 0 (2) -1 C 20 1323d 1687d 3/3 1242d 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 1249d 1249d 3/3 1242d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: pb->pb_pathcopyuses == NUM -1 C 3 1312d 1312d 3/3 1242d 5a9cf8fcf6e0 ccd(4): Only pathbuf_destroy if pathbuf_copyin succeeded.
assert failed: maxblksize > NUM -1 C 4 1293d 1309d 3/3 1242d 5bdcc4fe2017 pad(4): Do harmless, not harmful, integer truncation.
panic: pad3: outputs: 44100Hz, NUM-bit, stereo 2 C 1 1309d 1309d 3/3 1242d 5bdcc4fe2017 pad(4): Do harmless, not harmful, integer truncation.
panic: audio0: detached 2 1 1293d 1293d 3/3 1242d 5bdcc4fe2017 pad(4): Do harmless, not harmful, integer truncation.
UBSan: Undefined Behavior in vn_open -1 C 34 1499d 1500d 3/3 1242d 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 1780d 1780d 3/3 1242d c7cd46af4347 vfs(9): Avoid arithmetic overflow in vn_seek.
assert failed: pb->pb_pathcopy == NULL -1 C 2 1312d 1312d 3/3 1242d 5a9cf8fcf6e0 ccd(4): Only pathbuf_destroy if pathbuf_copyin succeeded.
panic: cdce0: could not find data bulk in 2 syz 2 1327d 1327d 3/3 1242d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: KERNEL_LOCKED_P() -1 C 32 1517d 1517d 3/3 1242d ea2ec439285b autoconf(9): Take kernel lock in a few entry points.
panic: uhidev0: no report descriptor 2 syz 18 1253d 1852d 3/3 1242d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: ret == 0 -1 C 6950 1244d 1862d 3/3 1242d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: _bpfattach: out of memory (2) 2 3 1304d 1307d 3/3 1242d 6583daf00fe7 bpf(4): Nix KM_NOSLEEP and prune dead branch.
panic: vfs load failed for `compat_12', error NUM 2 1 1274d 1274d 3/3 1242d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: un->un_ops->uno_init -1 C 72 1251d 1253d 3/3 1242d ee8fc1216476 usbnet(9): uno_init is now optional.
panic: port NUM (addr NUM) disconnected 2 2 1281d 1309d 3/3 1242d 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 1487d 1487d 3/3 1242d 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 1243d 1870d 3/3 1242d 5ee164d90cec tun(4): Reduce lock from IPL_NET to IPL_SOFTNET.
UBSan: Undefined Behavior in ntp_adjtime1.cold -1 syz 17 1259d 1293d 3/3 1243d 2daa45d976fc ntp(9): Avoid left shift of negative.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) 2 C 16 1279d 1330d 3/3 1243d 6b71feb71da5 auvitek(4): Fix i2c detach if attach failed.
ASan: Unauthorized Access in usbd_fill_iface_data (2) -1 C 44 1245d 1699d 3/3 1243d 8c8ba8c43de4 usb: Parse descriptors a little more robustly.
UBSan: Undefined Behavior in nanosleep1 -1 C 2 1245d 1245d 3/3 1243d 7b0b7a803fb0 kern: Handle clock winding back in nanosleep1 without overflow.
UBSan: Undefined Behavior in ts2timo (2) -1 C 9 1247d 1339d 3/3 1243d 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 1259d 1259d 3/3 1243d 9ab52bf87195 kern: Fix ordering of loads for pid_table and pid_tbl_mask.
panic: todo(ADDR) > MAXPHYS; minphys broken 2 C 98 1247d 1858d 3/3 1243d de8552b00ba2 kern: Use harmless, not harmful, integer truncation in physio.
MSan: Uninitialized Memory in proc_find_lwp_unlocked (3) -1 2 1330d 1411d 3/3 1243d 9ab52bf87195 kern: Fix ordering of loads for pid_table and pid_tbl_mask.
UBSan: Undefined Behavior in ntp_adjtime1 (2) -1 syz 4 1252d 1262d 3/3 1243d 9accb05adf48 ntp(9): Clamp ntv->offset to avoid arithmetic overflow on adjtime.
UBSan: Undefined Behavior in vn_seek -1 C 3 1245d 1303d 3/3 1243d 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 1258d 1258d 3/3 1243d 9ab52bf87195 kern: Fix ordering of loads for pid_table and pid_tbl_mask.
UBSan: Undefined Behavior in ktrace_thread -1 C 74 1244d 1381d 3/3 1243d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
netbsd boot error: panic: kmem_intr_free: zero size with pointer ADDR -1 12 1287d 1287d 3/3 1243d e68bc10fdb5f scsi(9): Handle bogus number of LUNs in SCSI_REPORT_LUNS.
UBSan: Undefined Behavior in config_devalloc -1 C 149 1718d 1836d 3/3 1243d 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 1300d 1335d 3/3 1243d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
ASan: Unauthorized Access in cryptodev_mop -1 1 1300d 1300d 3/3 1243d 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 1246d 1332d 3/3 1243d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
ASan: Unauthorized Access in ktrace_thread -1 1 1318d 1318d 3/3 1243d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
MSan: Uninitialized Memory in pathbuf_destroy -1 C 3 1312d 1312d 3/3 1243d 5a9cf8fcf6e0 ccd(4): Only pathbuf_destroy if pathbuf_copyin succeeded.
panic: genfs: bad op (2) 2 C 6 1244d 1317d 3/3 1243d 0dbc06c160e9 kernfs: Just fail with EOPNOTSUPP, don't panic, on VOP_BMAP.
page fault in ktrace_thread -1 syz 82 1244d 1339d 3/3 1243d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
panic: : playback 2 C 1 1293d 1293d 3/3 1243d 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 1244d 1381d 3/3 1243d 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 1244d 1375d 3/3 1243d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
UBSan: Undefined Behavior in adjtime1 -1 C 16 1245d 1288d 3/3 1243d 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 1315d 1315d 3/3 1243d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
MSan: Uninitialized Memory in emdtv_i2c_exec -1 C 5 1694d 1695d 3/3 1243d 6dc364f9e2c2 emdtv(4): If register read fails, read as all zero.
MSan: Uninitialized Memory in ktrace_thread -1 C 450 1244d 1382d 3/3 1243d 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 1288d 1288d 3/3 1244d 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 1319d 1319d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: ugen0: setting configuration index NUM failed 2 2 1293d 1335d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: urtwn0: failed to set configuration, err=IOERROR 2 1 1291d 1291d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhidev0: detached 2 3 1255d 1318d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub5: device problem, disabling port NUM 2 6 1246d 1330d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: cdce0: faking address 2 1 1264d 1264d 3/3 1244d 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 1248d 1248d 3/3 1244d 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 1307d 1307d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: device problem, disabling port NUM 2 1 1311d 1311d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: cdce0: detached 2 1 1255d 1255d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhidev0: no input interrupt endpoint 2 C 6 1300d 1333d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub4: device problem, disabling port NUM 2 7 1263d 1332d 3/3 1244d 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 1315d 1315d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub3: device problem, disabling port NUM 2 6 1254d 1321d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: (addr NUM) disconnected 2 1 1257d 1257d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub0: device problem, disabling port NUM 2 8 1245d 1317d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: urtwn0: failed to set configuration, err=TIMEOUT 2 1 1325d 1325d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: [ NUM.ADDR] vpanic() at netbsd:vpanic+0x2d0 2 6 1249d 1404d 3/3 1244d 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 1256d 1366d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub1: device problem, disabling port NUM 2 1 1275d 1275d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
UBSan: Undefined Behavior in bpf_ioctl -1 C 2 1277d 1277d 3/3 1244d 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 1307d 1307d 3/3 1244d 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 1266d 1266d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: [ NUM.ADDR] vpanic() at netbsd:vpanic+0x9ec 2 2 1254d 1314d 3/3 1244d 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 1247d 1247d 3/3 1244d d8cd23d6aa6c ffs: Fix 64-bit inode integer truncation.
UBSan: Undefined Behavior in soreceive (2) -1 1 1253d 1253d 3/3 1244d 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 1305d 1305d 3/3 1244d 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 1319d 1332d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub2: device problem, disabling port NUM 2 2 1247d 1298d 3/3 1244d 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 1259d 1259d 3/3 1244d 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 1300d 1300d 3/3 1244d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
ASan: Unauthorized Access in psignal (2) -1 C 7 1287d 1648d 3/3 1250d e30c3d8025bf usb(4): Use atomics for usb_async_proc.
panic: kernel diagnostic assertion "searchdir != foundobj" failed: file "/syzkaller/managers/ci2-netbsd- 2 1 1302d 1302d 3/3 1274d d832c645c7cf Remove the assertion "searchdir != foundobj" from lookup_crossmount().
assert failed: searchdir != foundobj -1 C 2326 1274d 1831d 3/3 1274d 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 1301d 1301d 3/3 1274d 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 1297d 1297d 3/3 1274d 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 1295d 1295d 3/3 1274d d832c645c7cf Remove the assertion "searchdir != foundobj" from lookup_crossmount().
UBSan: Undefined Behavior in ntp_adjtime1 -1 1 1281d 1281d 3/3 1279d 13b44dbbb69d kernel: Avoid arithmetic overflow in ntp_adjtime.
UBSan: Undefined behavior (3) -1 1 1335d 1335d 3/3 1334d ee532b2421c3 Use unsigned to avoid undefined behavior. Found by kUBSan.
UBSan: Undefined Behavior in usb_free_device -1 syz 1 1396d 1396d 3/3 1392d 02983654f25e Revert "usb: uhub: remove unnecessary delays when powering on ports"
page fault in __asan_load1 -1 1 1396d 1396d 3/3 1392d 02983654f25e Revert "usb: uhub: remove unnecessary delays when powering on ports"
UBSan: Undefined Behavior in pppasyncstart.cold -1 18 1419d 1441d 3/3 1410d 44b1f8a1c3ff Use unsigned to avoid undefined behavior in pppasyncstart().
panic: _uvm_mapent_check: bad entry ADDR, line 2299 2 C 2 1504d 1504d 3/3 1498d 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 1504d 1504d 3/3 1498d 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 1571d 1845d 3/3 1498d 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 1576d 1792d 3/3 1501d 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 1530d 1535d 3/3 1530d d5b984e0de7e avoid dereferencing a constant string address as a UINT32 pointer, KUBSAN complains about bad alignment.
UBSan: Undefined Behavior in ts2timo -1 C 40 1540d 1897d 3/3 1530d 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 1542d 1870d 3/3 1530d 4af96c872b34 Honor LOCKPARENT for ".." of the root directory.
UBSan: Undefined Behavior in free_pipe -1 C 6 1619d 1688d 3/3 1530d 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 1688d 1688d 3/3 1530d 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 1738d 1749d 3/3 1685d e5ad6630f80f Check the return value of device_lookup_private against NULL.
UBSan: Undefined Behavior in quota1_handle_cmd_quotaoff -1 C 22 1696d 1828d 3/3 1686d 479d6bd7aed1 Avoid potentially accessing an array with an index out of range.
UBSan: Undefined Behavior in quota1_handle_cmd_quotaon -1 C 310 1688d 1833d 3/3 1686d 479d6bd7aed1 Avoid potentially accessing an array with an index out of range.
UBSan: Undefined Behavior in fsetown -1 C 643 1687d 1871d 3/3 1687d fe22bed11b62 Avoid negating the minimum size of pid_t (this overflows).
assert failed: semcnt >= 0 -1 C 1460 1697d 1839d 3/3 1697d 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 1705d 1706d 3/3 1705d 46944f1c4d5d Fix an uninitialized pointer deref introduced in rev 1.207.
assert failed: ! (2) -1 C 4 1729d 1729d 3/3 1721d 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 1722d 1757d 3/3 1722d 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 1724d 1831d 3/3 1723d 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 1776d 1776d 3/3 1723d 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 1787d 1787d 3/3 1723d 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 1846d 1846d 3/3 1723d 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 1751d 1847d 3/3 1723d 9235b59ee381 Lock the vnode while calling VOP_BMAP() for FIOGETBMAP.
UBSan: Undefined behavior -1 8 1757d 1832d 3/3 1723d 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 1778d 1778d 3/3 1723d 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 1777d 1777d 3/3 1723d 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 1726d 1781d 3/3 1723d c32467e14928 tty_43: Check a bitset from userspace is valid before shifting it
UBSan: Undefined Behavior in tty_get_qsize -1 C 19 1807d 1853d 3/3 1805d 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 1816d 1816d 3/3 1815d 257aaf9afb72 Fix ugen detach after partial attach.
ASan: Unauthorized Access in nvlist_copyin -1 C 2 1841d 1841d 3/3 1815d 17ffbcbdab9a Add missing cases, to prevent memory corruption.
assert failed: 0 <= space && space <= ifc->ifc_len -1 C 4 1850d 1850d 3/3 1848d 0be10c48cf6f Don't accept negative value.
page fault in statvfs_to_statfs12_copy -1 C 5 1868d 1868d 3/3 1867d 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 1868d 1868d 3/3 1867d 6cac1dde29fb Fix NULL deref on attach failure. Found via vHCI fuzzing.
UBSan: Undefined Behavior in pipe_ioctl -1 C 1 1870d 1870d 3/3 1867d 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 1871d 1871d 3/3 1870d 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 1870d 1918d 3/3 1870d 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 1871d 1871d 3/3 1871d 521e747162a6 Hum. Fix NULL deref triggerable with just write(0).
assert failed: p != NULL -1 1 1970d 1970d 3/3 1887d 3c214a3d995e Fix bohr bug triggered only once by syzkaller 2,5 months ago.
UBSan: Undefined Behavior in db_read_bytes -1 1 1890d 1890d 3/3 1888d 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 1894d 1898d 3/3 1892d 248fe10b7a27 Reported-by: syzbot+6dd5a230d19f0cbc7814@syzkaller.appspotmail.com
panic: LOCKDEBUG: Mutex error: mutex_vector_enter,516: spin lock held 2 C 95 1893d 1913d 3/3 1893d 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 1894d 1895d 3/3 1893d 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 1894d 1894d 3/3 1893d 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 1901d 1901d 3/3 1893d 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 1894d 1894d 3/3 1893d 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 1896d 1898d 3/3 1893d 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 1970d 1970d 3/3 1907d 4cd60295b346 Reported-by: syzbot+3e3c7cfa8093f8de047e@syzkaller.appspotmail.com
panic: LOCKDEBUG: Mutex error: mutex_vector_enter,512: locking against myself 2 C 52 1907d 1913d 3/3 1907d 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 1911d 1911d 3/3 1910d 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 1926d 1960d 3/3 1911d 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 1923d 1925d 3/3 1921d 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 1963d 1964d 3/3 1956d 395a577cab63 Pacify a syzbot complaint about bit shifting.
assert failed: pmap->pm_stats.resident_count == PDP_SIZE -1 syz 22 1967d 1968d 3/3 1967d 398f36d55ce0 PR port-amd64/55083 (assertion "pmap->pm_stats.resident_count == PDP_SIZE" failed)
assert failed: ptp->wire_count == 1 -1 C 16 1968d 1968d 3/3 1968d 4538c4a0a4c9 Pacify assertion in a failure path.
assert failed: (opte & (PTE_A | PTE_P)) != PTE_A -1 C 15 1969d 1971d 3/3 1968d 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 1968d 1969d 3/3 1968d 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 1979d 2055d 3/3 1978d 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 2044d 2044d 3/3 1979d 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 1993d 1994d 3/3 1979d 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 1990d 2004d 3/3 1979d 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 1979d 2040d 3/3 1979d e78f9b4fde02 A final set of scheduler tweaks:
MSan: Uninitialized Memory in bus_dmamap_sync -1 C 16 1989d 1994d 3/3 1979d 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 2062d 2063d 3/3 1995d 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 2062d 2063d 3/3 1995d 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 2055d 2059d 3/3 1995d 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 2060d 2061d 3/3 1995d 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 2055d 2056d 3/3 1995d 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 2060d 2061d 3/3 1995d dc1bd2c9382b Fix LOCKDEBUG panic on mutex_init().
assert failed: lwp_locked(l, l->l_cpu->ci_schedstate.spc_lwplock) -1 C 2676 2083d 2084d 2/3 2080d 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 2089d 2101d 2/3 2089d 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 2093d 2212d 2/3 2091d 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 2109d 2113d 2/3 2091d 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 2096d 2096d 2/3 2091d 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 2091d 2092d 2/3 2091d 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 2101d 2106d 2/3 2091d 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 2092d 2101d 2/3 2091d 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 2129d 2137d 2/3 2124d 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 2124d 2129d 2/3 2124d 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 2128d 2128d 2/3 2126d 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 2133d 2134d 2/3 2133d 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 2135d 2135d 2/3 2134d 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 2134d 2134d 2/3 2134d 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 2134d 2134d 2/3 2134d 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 2149d 2150d 2/3 2136d 338a6d8211a1 Use an explicit run-time assertion where compile-time doesn't work.
panic: ifmedia_add: can't malloc entry 2 28 2137d 2214d 2/3 2137d 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 2139d 2170d 2/3 2137d db38f3713d52 in shmdt(), wait until shmat() completes before detaching.
page fault in shm_delete_mapping -1 syz 17 2272d 2284d 2/3 2137d 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 2140d 2147d 2/3 2139d 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 2146d 2146d 2/3 2145d 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 2145d 2148d 2/3 2145d 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 2148d 2148d 2/3 2148d 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 2148d 2149d 2/3 2148d 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 2148d 2149d 2/3 2148d 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 2150d 2150d 2/3 2149d 360cafb4be56 Decorate percpu_cpu_swap() with __noubsan
assert failed: buflen != 0 -1 syz 18 2156d 2156d 1/3 2155d 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 2219d 2357d 1/3 2157d 80a06cecc711 Fix race in timer destruction.
assert failed: c->c_cpu->cc_lwp == curlwp || c->c_cpu->cc_active != c -1 C 247 2217d 2357d 1/3 2175d 80a06cecc711 Fix race in timer destruction.
assert failed: to_ticks >= 0 (2) -1 C 70 2230d 2288d 1/3 2175d 4952945bc9cb Clamp tcp timer quantities to reasonable ranges.
assert failed: pg->wire_count != 0 (2) -1 C 174 2219d 2241d 1/3 2175d 95ce9a69b407 fix two bugs reported in https://syzkaller.appspot.com/bug?id=8840dce484094a926e1ec388ffb83acb2fa291c9
assert failed: pg->wire_count > 0 -1 C 6 2342d 2355d 1/3 2175d 6eb7fd2b53ce Acquire shmseg uobj reference while we hold shm_lock.
assert failed: uvm_page_locked_p(pg) -1 C 44 2219d 2229d 1/3 2218d 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 2233d 2234d 1/3 2231d 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 2240d 2240d 1/3 2235d 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 2241d 2241d 1/3 2241d 00dad9ea5158 Correct wrong type of uio_seg passed to do_sys_mknodat()
assert failed: ! -1 2 2241d 2241d 1/3 2241d 00dad9ea5158 Correct wrong type of uio_seg passed to do_sys_mknodat()
assert failed: pmap->pm_obj[i].uo_npages == 0 -1 C 58 2271d 2351d 1/3 2242d 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 2273d 2338d 1/3 2242d 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 2295d 2355d 1/3 2287d 7abfdd368b0d Clean up pipe structure before recycling it.
assert failed: to_ticks >= 0 -1 C 2547 2307d 2356d 1/3 2307d 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 2308d 2345d 1/3 2308d 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 2349d 2357d 1/3 2321d 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 2340d 2356d 1/3 2340d 713042b84b5e Take a reference on ndp->ni_rootdir and ndp->ni_erootdir.
assert failed: vp->v_type == VREG -1 C 139 2345d 2356d 1/3 2345d 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 2345d 2357d 1/3 2345d 21e56f354bb4 Change vn_openchk() to fail VNON and VBAD with error ENXIO.
assert failed: c->c_magic == CALLOUT_MAGIC -1 C 1645 2356d 2357d 1/3 2349d 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 2354d 2355d 1/3 2354d 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 2355d 2356d 1/3 2355d 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 2356d 2357d 1/3 2356d 09915c34c237 Reading a directory may trigger a panic when the buffer is too small. Adjust necessary checks.
ASan bug (2) -1 C 347 2356d 2356d 1/3 2356d 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 2356d 2357d 1/3 2356d 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.