syzbot

 sign-in | mailing list | source | docs
🐞 Open [195]
🐞 Fixed [377]
🐞 Invalid [1351]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Closed Patch
UBSan: Undefined Behavior in usb_free_device (2) -1 C 117 1499d 1600d 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 737d 740d 3/3 737d f09779b4fc4e ip6_output: Initialize plen for ip6_hopopts_input.
UBSan: Undefined Behavior in dounmount -1 C 130 737d 740d 3/3 737d b7772f668d24 dounmount: Avoid &((struct vnode_impl *)NULL)->vi_vnode.
assert failed: sc->sc_parent->dk_rawopens > NUM -1 C 59 1306d 1337d 3/3 1001d 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 1113d 1113d 3/3 1069d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: uAiio->uio_iovcnt > NUM -1 1 1101d 1101d 3/3 1069d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: uio->uio_iovcnt > NUM -1 C 34 1076d 1539d 3/3 1069d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: %uio->uio_iovcnt > NUM -1 C 1 1112d 1112d 3/3 1069d 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 1316d 1316d 3/3 1069d 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 1539d 1539d 3/3 1069d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
ASan: Unauthorized Access in uiomove -1 C 16 1112d 1565d 3/3 1069d 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 1114d 1114d 3/3 1069d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: uio->uio_iohsyz-vcnt > NUM -1 C 1 1112d 1112d 3/3 1069d 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 1103d 1103d 3/3 1069d a7a3e2ad8d57 tty(9): Make ttwrite update uio with only how much it has consumed.
assert failed: !netq->netq_stopping -1 1 1092d 1092d 3/3 1081d 2b696ab4fdff Fix missing check for netq->netq_stopping in vioif_rx_intr()
assert failed: sc->sc_dk.dk_openmask == NUM -1 C 22 1082d 1099d 3/3 1082d 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 1094d 1100d 3/3 1093d 76e8386e9976 dk(4): Fix lock assertion in size increase: parent's, not wedge's.
UBSan: Undefined Behavior in tmpfs_reg_resize -1 1 1095d 1095d 3/3 1093d 08655e8aab1e tmpfs: Refuse sizes that overflow round_page.
panic: LOCKDEBUG: Mutex error: mi_userret,NUM: sleep lock held 2 6 1099d 1100d 3/3 1099d 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 1108d 1110d 3/3 1106d 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 1107d 1107d 3/3 1106d 8727589ebb95 pserialize(9): Fix buggy assertion inside assertion.
UBSan: Undefined Behavior in playtone -1 C 1 1122d 1122d 3/3 1121d 5d38fb5bcae7 spkr(4): Avoid some overflow issues.
ASan: Unauthorized Access in playtone -1 C 2 1122d 1122d 3/3 1121d 5d38fb5bcae7 spkr(4): Avoid some overflow issues.
panic: sockaddr_copy: source too long, NUM < NUM bytes 2 C 9 1124d 1132d 3/3 1122d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
ASan: Unauthorized Access in ifreq_setaddr (2) -1 7 1122d 1148d 3/3 1122d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
MSan: Uninitialized Memory in ifreq_setaddr -1 C 8 1123d 1132d 3/3 1122d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
ASan: Unauthorized Access in sockaddr_dup -1 C 3 1128d 1131d 3/3 1122d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
MSan: Uninitialized Memory in sin_print -1 C 4 1148d 1164d 3/3 1122d d425b16c66a5 sockaddr_alloc(9): Avoid uninitialized buffer in sockaddr_checklen.
assert failed: sa->sa_len <= sizeof(ifr.ifr_ifru) -1 C 10 1123d 1129d 3/3 1122d 4813aab66c53 atalk(4): Don't let userland control sa_len when adding addresses.
ASan: Unauthorized Access in sat_print -1 C 10 1123d 1144d 3/3 1122d 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 1129d 1130d 3/3 1124d 317ef74dd360 vioif(4): fix wrong memory allocation size
netbsd boot error: assert failed: len <= map->dm_mapsize - offset (2) -1 135 1124d 1127d 3/3 1124d 31edf7b5b57e virtio(4): Fix sizing of virtqueue allocation.
netbsd boot error: page fault in virtio_free_vq -1 27 1128d 1130d 3/3 1124d 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 1133d 1151d 3/3 1131d 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 1133d 1133d 3/3 1131d 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 1133d 1151d 3/3 1131d 4ae0945c2b68 in6: make sure a user-specified checksum field is within a packet
assert failed: fmi->fmi_mount->mnt_lower == NULL -1 C 5 1173d 1182d 3/3 1167d af759f02178d When mounting a union file system set its lower mount only on success.
assert failed: size > NUM -1 C 4 1200d 1200d 3/3 1198d 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 1286d 1439d 3/3 1221d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
page fault in __asan_load4 (3) -1 C 64 1236d 1391d 3/3 1221d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
page fault in ppptioctl -1 C 6 1275d 1380d 3/3 1221d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
protection fault in ppptioctl -1 C 3 1248d 1439d 3/3 1221d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
UBSan: Undefined Behavior in ppptioctl -1 C 9 1233d 1380d 3/3 1221d 238664abb5cc ppp: remove ioctls that never worked and crash the kernel
assert failed: bp->b_vp == vp -1 C 125 1223d 1943d 3/3 1222d 1f3bc2830b81 swap: disallow user opens of swap block device
panic: dead fs operation used (2) 2 C 8 1232d 1242d 3/3 1231d 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 1239d 1239d 3/3 1231d 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 1272d 1276d 3/3 1245d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
page fault in ip_ctloutput -1 C 18 1273d 1275d 3/3 1245d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
UBSan: Undefined Behavior in tcp_bind_wrapper -1 C 8 1273d 1276d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_shutdown_wrapper -1 C 45 1272d 1276d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_bind_wrapper -1 C 9 1274d 1276d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_recvoob_wrapper -1 C 23 1272d 1276d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_sockaddr_wrapper -1 C 32 1272d 1275d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in ip6_ctloutput -1 C 5 1273d 1275d 3/3 1245d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
page fault in ip_setmoptions -1 C 2 1275d 1275d 3/3 1245d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
page fault in ip6_ctloutput -1 C 4 1273d 1275d 3/3 1245d 74557efd80ae tcp: restore NULL check for inp in tcp_ctloutput
UBSan: Undefined Behavior in tcp_listen_wrapper -1 C 15 1272d 1276d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_connect_wrapper -1 C 23 1273d 1276d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_recvoob_wrapper -1 C 26 1272d 1276d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in tcp_sockaddr_wrapper -1 C 25 1272d 1276d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_connect_wrapper -1 C 18 1272d 1275d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_listen_wrapper -1 C 17 1272d 1275d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
page fault in tcp_shutdown_wrapper -1 C 36 1272d 1275d 3/3 1245d 443b5cdb2251 tcp: restore NULL checks for inp
UBSan: Undefined Behavior in lf_advlock (3) -1 C 2 1269d 1269d 3/3 1245d 1a4aa843e5ad kern/vfs_lockf.c: Parenthesize to make arithmetic match check.
assert failed: !topdown || hint <= orig_hint -1 C 474 1249d 1421d 3/3 1248d 4d78161c33fb mmap(2): Avoid arithmetic overflow in search for free space.
page fault in umap_bypass -1 C 9 1251d 1257d 3/3 1249d 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 1256d 1256d 3/3 1249d 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 1250d 1257d 3/3 1249d 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 1280d 1280d 3/3 1262d 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 1313d 1313d 3/3 1312d d111e83da20a compat_50_quota: reject invalid quota id types.
UBSan: Undefined Behavior in bpf_ioctl (2) -1 C 2 1332d 1332d 3/3 1331d 5e84044ef5a3 bpf(4): Reject bogus timeout values before arithmetic overflows.
page fault in raidioctl -1 1 1338d 1338d 3/3 1337d 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 1341d 1341d 3/3 1339d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
UBSan: Undefined Behavior in config_detach_commit -1 C 13 1340d 1351d 3/3 1339d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
panic: netbsd:vpanic+0x282 2 1 1359d 1359d 3/3 1339d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
page fault in __asan_load8 (6) -1 C 23 1340d 1379d 3/3 1339d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
page fault in config_detach_commit -1 C 8 1341d 1351d 3/3 1339d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
assert failed: dev->dv_detaching == curlwp -1 C 236 1352d 1467d 3/3 1339d e7c9fe41a3a1 audio(4): Fix bug in detaching audio16 and beyond.
assert failed: kpreempt_disabled() (2) -1 syz 4 1348d 1349d 3/3 1342d 1e8b246aa870 KERNEL_LOCK(9): Need kpreempt_disable to ipi_send, oops.
assert failed: curcpu() != ci -1 C 1 1348d 1348d 3/3 1347d e94ab9ad30fc KERNEL_LOCK(9): Record kernel lock holder in fast path too.
assert failed: lktype != LK_NONE -1 C 8 1470d 1470d 3/3 1350d 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 1358d 1455d 3/3 1352d 2ab99543441b specfs: Refuse to open a closing-in-progress block device.
MSan: Uninitialized Memory in rum_attach -1 syz 2 1353d 1353d 3/3 1352d 3259e3c92306 rum(4): Avoid uninitialized garbage in failed register read.
assert failed: sd->sd_closing -1 C 20 1384d 1471d 3/3 1352d 2ab99543441b specfs: Refuse to open a closing-in-progress block device.
assert failed: !fmi->fmi_gone -1 C 3 1375d 1375d 3/3 1354d 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 1358d 1358d 3/3 1354d 440d02956565 raidframe: reject invalid values for numCol and numSpares
MSan: Uninitialized Memory in rf_UnconfigureVnodes -1 syz 5 1358d 1360d 3/3 1354d 440d02956565 raidframe: reject invalid values for numCol and numSpares
ASan: Unauthorized Access in rf_UnconfigureVnodes -1 syz 8 1358d 1360d 3/3 1354d 440d02956565 raidframe: reject invalid values for numCol and numSpares
panic: kmem_free(ADDR, NUM) != allocated size NUM; overwrote? 2 C 3 1363d 1363d 3/3 1354d bd3b97511997 ptyfs: Don't copy out cookies past end of buffer.
UBSan: Undefined Behavior in vrefcnt -1 syz 5 1358d 1360d 3/3 1354d 440d02956565 raidframe: reject invalid values for numCol and numSpares
UBSan: Undefined Behavior in sys_rasctl (2) -1 C 4 1356d 1357d 3/3 1356d 9bb32e73c033 rasctl(2): Avoid arithmetic overflow.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) (4) 2 C 4 1358d 1358d 3/3 1357d 388438075058 uirda(4): Unconditionally initializes mutexes and selq on attach.
netbsd boot error: panic: pmap_get_physpage: out of memory -1 51 1359d 1362d 3/3 1359d 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 1359d 1362d 3/3 1359d ab293a4a7778 rasctl(2): Avoid overflow in address range arithmetic.
ASan: Unauthorized Access in _prop_object_internalize_context_alloc -1 C 6 1361d 1362d 3/3 1359d 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 1363d 1363d 3/3 1359d bd3b97511997 ptyfs: Don't copy out cookies past end of buffer.
UBSan: Undefined Behavior in lf_advlock (2) -1 C 2 1363d 1363d 3/3 1359d c176bd8b3461 kern/vfs_lockf.c: Fix overflow in overflow detection.
UBSan: Undefined Behavior in physio.cold -1 C 2 1877d 1877d 3/3 1385d c02dc4be552e physio(9): Avoid left shift of negative in alignment check.
assert failed: l->l_lid == pls->pl_lwpid -1 C 133 1386d 2165d 3/3 1385d 3f5ac2f440aa ptrace(PT_LWPSTATUS): Fix lid=0 case.
UBSan: Undefined Behavior in compat_43_ttioctl.cold (2) -1 C 119 1387d 1976d 3/3 1385d 1ee0fc7f9c22 tty_43: Do unsigned arithmetic to avoid shift into sign bits.
UBSan: Undefined Behavior in cpuctl_ioctl.cold -1 C 44 1388d 1858d 3/3 1386d 72a9875cfdda cpuio.h: Use uint8_t, not bool.
UBSan: Undefined Behavior in tty_get_qsize.cold.5 -1 C 63 2053d 2068d 3/3 1386d 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 2052d 2114d 3/3 1386d 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 1872d 1873d 3/3 1387d 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 1390d 1981d 3/3 1387d 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 1389d 1389d 3/3 1388d 98368ce402c5 ifioctl(9): Don't touch ifconf or ifreq until command is validated.
page fault in compat_ifconf -1 C 1 1389d 1389d 3/3 1388d 98368ce402c5 ifioctl(9): Don't touch ifconf or ifreq until command is validated.
UBSan: Undefined Behavior in compat_ifconf -1 C 37 1389d 1594d 3/3 1388d 98368ce402c5 ifioctl(9): Don't touch ifconf or ifreq until command is validated.
UBSan: Undefined Behavior in udv_attach -1 C 2 1391d 1391d 3/3 1390d 583a8e6e3a6f mmap(2): Prohibit overflowing offsets for non-D_NEGOFFSAFE devices.
MSan: Uninitialized Memory in pppioctl -1 C 3 1430d 1453d 3/3 1390d 59e62decad23 net/if_ppp.c: Avoid user-controlled overrun in PPPIOCSCOMPRESS.
MSan: Uninitialized Memory in ifq_enqueue (2) -1 C 6 1421d 1592d 3/3 1394d 311083ee523b sendto(2), recvfrom(2): Scrub internal struct msghdr on stack.
UBSan: Undefined Behavior in settime1.constprop.5 -1 C 6 2052d 2152d 3/3 1394d d5c20c2f7d03 kern_time: prevent the system clock from being set too low or high
page fault in __asan_store1 -1 C 23 1760d 1761d 3/3 1394d 6cfadad833d3 Improve Christos's vn_open fix.
UBSan: Undefined Behavior in route_filter -1 C 3 1395d 1395d 3/3 1394d 54579f919bf1 route(4): Use m_copydata, not misaligned mtod struct access.
UBSan: Undefined Behavior in lf_advlock -1 C 138 1397d 2158d 3/3 1395d 3ca83894cccd vfs(9): Avoid arithmetic overflow in lf_advlock.
assert failed: p != NULL (2) -1 C 5 1415d 1415d 3/3 1395d ee077f1ff323 uvideo(4): Make alloc logic match free logic.
MSan: Uninitialized Memory in comintr (2) -1 syz 3 1434d 1437d 3/3 1395d 501a519f2746 ktrace(9): Zero-initialize padding for ktr_psig records.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) (3) 2 C 4 1396d 1396d 3/3 1395d 1595c1ec759c upgt(4): Make upgt_free_cmd match upgt_alloc_cmd.
panic: LOCKDEBUG: Mutex error: mi_userret,116: sleep lock held 2 C 704 1395d 2035d 3/3 1395d 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 1396d 1644d 3/3 1396d 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 1471d 1471d 3/3 1396d 9b17a1de3d64 ktrace(9): Fix mutex detection in ktrcsw.
UBSan: Undefined Behavior in compat_50_route_output (2) -1 C 3 1396d 1396d 3/3 1396d 0ac8a4883e80 route(4): Avoid unaligned access to struct rt_msghdr, take two.
assert failed: usp->tv_nsec >= NUM -1 C 31 1396d 1397d 3/3 1396d 85232e61d86a recvmmsg(2): More timespec validation.
assert failed: usp->tv_nsec < ADDRL -1 C 79 1396d 1397d 3/3 1396d 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 1470d 1470d 3/3 1396d 9b17a1de3d64 ktrace(9): Fix mutex detection in ktrcsw.
page fault in rf_fail_disk -1 C 1 1399d 1399d 3/3 1397d cb9f2873bc80 RAIDframe must be initialized for the RAIDFRAME_FAIL_DISK80 ioctl.
page fault in uaudio_attach -1 C 3 1585d 1586d 3/3 1397d fccfc6a75979 Fix a null-deref
assert failed: pipe != NULL -1 C 5 1590d 1950d 3/3 1397d 04d39af408ac umidi(4): Fix fencepost in error branch.
panic: tcp_output: no template 2 C 5612 1399d 2616d 3/3 1397d 9515e062613e tcp(4): Bail early on sendoob if not connected.
assert failed: tp->t_oproc != NULL -1 C 3 1412d 1412d 3/3 1397d 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 1399d 1399d 3/3 1397d cb9f2873bc80 RAIDframe must be initialized for the RAIDFRAME_FAIL_DISK80 ioctl.
UBSan: Undefined Behavior in gettimeleft -1 C 20 1404d 1867d 3/3 1397d eaf33ef422b2 kern: Avoid arithmetic overflow in gettimeleft.
UBSan: Undefined Behavior in sys_recvmmsg -1 C 491 1399d 2087d 3/3 1397d f068c6af2cca recvmmsg(2): Avoid arithmetic overflow in timeout calculations.
ASan: Unauthorized Access in ktr_kuser -1 C 23 1407d 1643d 3/3 1398d c3bf6f9596ea sendmsg(2): Avoid buffer overrun in ktrace of invalid cmsghdr.
UBSan: Undefined Behavior in ts2timo (3) -1 C 16 1400d 1501d 3/3 1399d 54baa6cf231f kern: Use timespecsubok in ts2timo.
assert failed: requested_size > NUM -1 C 7 1401d 1424d 3/3 1399d 2b1f9e508ead umcs(4): Reject invalid interrupt endpoints.
UBSan: Undefined Behavior in dosetitimer.part.NUM -1 C 147 1400d 1522d 3/3 1399d 36bb851c524a setitimer(2): Guard against overflow in arithmetic.
UBSan: Undefined behavior (5) -1 1 1416d 1416d 3/3 1399d 8ebaf25c4728 route(4): Avoid unaligned access to struct rt_msghdr.
assert failed: ci != NULL -1 C 4 1429d 1429d 3/3 1399d ff733a254dd9 opencrypto(9): Fix missing initialization in error branch.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) (2) 2 C 8 1399d 1435d 3/3 1399d 9bef90fe6e34 emdtv(4): More attach/detach bugs.
UBSan: Undefined Behavior in itimer_callout -1 C 6 1407d 1462d 3/3 1399d 2699443359f1 setitimer(2): Avoid arithmetic overflow in periodic bookkeeping.
UBSan: Undefined Behavior in uao_detach -1 2 1468d 1468d 3/3 1467d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
ASan: Unauthorized Access in uvm_unmap_detach -1 C 7 1468d 1468d 3/3 1467d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
page fault in udv_detach -1 1 1468d 1468d 3/3 1467d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
panic: vrelel: bad ref count 2 C 2 1467d 1468d 3/3 1467d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
ASan: Unauthorized Access in uao_reference -1 1 1468d 1468d 3/3 1467d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
assert failed: (use & VUSECOUNT_MASK) > NUM -1 C 22 1467d 1468d 3/3 1467d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
page fault in uvm_mmap -1 1 1468d 1468d 3/3 1467d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
panic: [ NUM.ADDR] vpanic() at netbsd:vpanic+0x2f2 2 1 1468d 1468d 3/3 1467d 3e14ad04ec73 Revert "mmap(2): If we fail with a hint, try again without it."
ASan: Unauthorized Access in audio_track_set_format -1 1 1471d 1471d 3/3 1467d 2348e3fa2200 audio(4): Wait for opens to drain in detach.
assert failed: VOP_ISLOCKED(vp) == LK_EXCLUSIVE -1 C 73 1471d 1471d 3/3 1468d 7f28edca2400 sequencer(4): VOP_CLOSE requires vnode lock.
UBSan: Undefined Behavior in rnd_detach_source -1 C 9 1568d 1569d 3/3 1468d 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 1488d 1488d 3/3 1468d 65a628cc3991 audio(4): Use d_cfdriver/devtounit to avoid open/detach races.
ASan: Unauthorized Access in uvideo_attach -1 1 1549d 1549d 3/3 1468d 0207ad5e9c01 uvideo(4): Parse descriptors more robustly.
netbsd boot error: fault in supervisor mode -1 9 1485d 1485d 3/3 1468d e86caeaead15 cgd(4): Omit technically-correct-but-broken adiantum dependency again.
netbsd boot error: assert failed: locks == curcpu()->ci_biglock_count -1 2 1488d 1488d 3/3 1468d a2bbd8e60824 Revert "kern: Sprinkle biglock-slippage assertions."
netbsd boot error: UBSan: Undefined Behavior in node_insert -1 1 1488d 1488d 3/3 1468d 0916fe48b6c1 thmap(9): Handle memory allocation failure in root_try_put.
netbsd boot error: assert failed: ci->ci_ilevel <= IPL_VM -1 18 1486d 1486d 3/3 1468d 22a2be59f9a4 cgd(4): Remove recently added dependency on adiantum.
MSan: Uninitialized Memory in umcs7840_attach -1 C 5 1468d 1470d 3/3 1468d d67e9a1cf03e umcs(4): Avoid using uninitialized data if register read fails.
netbsd boot error: assert failed: curlwp->l_pflag & LP_BOUND -1 36 1494d 1494d 3/3 1468d 517fa18875c3 entropy(9): Call entropy_softintr while bound to CPU.
netbsd boot error: MSan: Uninitialized Memory in bus_dmamap_sync -1 177 1541d 1549d 3/3 1486d 9fdc83c65c2c Initialize "replun" -- found with KMSAN.
ASan: Unauthorized Access in umidi_attach -1 C 69 1500d 2127d 3/3 1498d 4d8f12e265c1 umidi(4): Parse descriptors a little more robustly.
ASan: Unauthorized Access in usbd_get_no_alts -1 C 4 1585d 1861d 3/3 1498d 4fc17b686835 usbdi(9): Fix usbd_get_no_alts.
assert failed: filter->bf_insn != NULL -1 C 114 1504d 2082d 3/3 1502d b90f3afc19bc bpf(4): Handle null bf_insn on free.
UBSan: Undefined Behavior in do_posix_fadvise -1 1 1503d 1503d 3/3 1502d 841c8d016803 posix_fadvise(2): Detect arithmetic overflow without UB.
assert failed: fvp != tvp -1 C 11 1649d 1649d 3/3 1502d 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 1653d 1653d 3/3 1502d - microtime -> microuptime - avoid kpause with timeo=0
assert failed: kpreempt_disabled() -1 C 12 1503d 1504d 3/3 1503d 9529bac45e11 tun(4): Fix bug introduced in previous locking change.
assert failed: requested_size > 0 (2) -1 C 20 1585d 1949d 3/3 1503d 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 1510d 1510d 3/3 1503d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: pb->pb_pathcopyuses == NUM -1 C 3 1574d 1574d 3/3 1503d 5a9cf8fcf6e0 ccd(4): Only pathbuf_destroy if pathbuf_copyin succeeded.
assert failed: maxblksize > NUM -1 C 4 1554d 1570d 3/3 1503d 5bdcc4fe2017 pad(4): Do harmless, not harmful, integer truncation.
panic: pad3: outputs: 44100Hz, NUM-bit, stereo 2 C 1 1570d 1570d 3/3 1503d 5bdcc4fe2017 pad(4): Do harmless, not harmful, integer truncation.
panic: audio0: detached 2 1 1554d 1554d 3/3 1503d 5bdcc4fe2017 pad(4): Do harmless, not harmful, integer truncation.
UBSan: Undefined Behavior in vn_open -1 C 34 1760d 1761d 3/3 1503d 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 2042d 2042d 3/3 1503d c7cd46af4347 vfs(9): Avoid arithmetic overflow in vn_seek.
assert failed: pb->pb_pathcopy == NULL -1 C 2 1574d 1574d 3/3 1503d 5a9cf8fcf6e0 ccd(4): Only pathbuf_destroy if pathbuf_copyin succeeded.
panic: cdce0: could not find data bulk in 2 syz 2 1589d 1589d 3/3 1503d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: KERNEL_LOCKED_P() -1 C 32 1778d 1778d 3/3 1503d ea2ec439285b autoconf(9): Take kernel lock in a few entry points.
panic: uhidev0: no report descriptor 2 syz 18 1514d 2114d 3/3 1503d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: ret == 0 -1 C 6950 1505d 2123d 3/3 1503d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: _bpfattach: out of memory (2) 2 3 1566d 1568d 3/3 1503d 6583daf00fe7 bpf(4): Nix KM_NOSLEEP and prune dead branch.
panic: vfs load failed for `compat_12', error NUM 2 1 1536d 1536d 3/3 1503d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
assert failed: un->un_ops->uno_init -1 C 72 1513d 1515d 3/3 1503d ee8fc1216476 usbnet(9): uno_init is now optional.
panic: port NUM (addr NUM) disconnected 2 2 1542d 1570d 3/3 1503d 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 1749d 1749d 3/3 1504d 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 1504d 2131d 3/3 1504d 5ee164d90cec tun(4): Reduce lock from IPL_NET to IPL_SOFTNET.
UBSan: Undefined Behavior in ntp_adjtime1.cold -1 syz 17 1520d 1555d 3/3 1504d 2daa45d976fc ntp(9): Avoid left shift of negative.
panic: mutex_destroy,NUM: uninitialized lock (lock=ADDR, from=ADDR) 2 C 16 1541d 1592d 3/3 1504d 6b71feb71da5 auvitek(4): Fix i2c detach if attach failed.
ASan: Unauthorized Access in usbd_fill_iface_data (2) -1 C 44 1507d 1960d 3/3 1504d 8c8ba8c43de4 usb: Parse descriptors a little more robustly.
UBSan: Undefined Behavior in nanosleep1 -1 C 2 1506d 1506d 3/3 1504d 7b0b7a803fb0 kern: Handle clock winding back in nanosleep1 without overflow.
UBSan: Undefined Behavior in ts2timo (2) -1 C 9 1508d 1600d 3/3 1504d 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 1520d 1520d 3/3 1504d 9ab52bf87195 kern: Fix ordering of loads for pid_table and pid_tbl_mask.
panic: todo(ADDR) > MAXPHYS; minphys broken 2 C 98 1508d 2120d 3/3 1504d de8552b00ba2 kern: Use harmless, not harmful, integer truncation in physio.
MSan: Uninitialized Memory in proc_find_lwp_unlocked (3) -1 2 1592d 1673d 3/3 1504d 9ab52bf87195 kern: Fix ordering of loads for pid_table and pid_tbl_mask.
UBSan: Undefined Behavior in ntp_adjtime1 (2) -1 syz 4 1513d 1523d 3/3 1504d 9accb05adf48 ntp(9): Clamp ntv->offset to avoid arithmetic overflow on adjtime.
UBSan: Undefined Behavior in vn_seek -1 C 3 1507d 1564d 3/3 1504d 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 1519d 1519d 3/3 1504d 9ab52bf87195 kern: Fix ordering of loads for pid_table and pid_tbl_mask.
UBSan: Undefined Behavior in ktrace_thread -1 C 74 1506d 1643d 3/3 1505d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
netbsd boot error: panic: kmem_intr_free: zero size with pointer ADDR -1 12 1549d 1549d 3/3 1505d e68bc10fdb5f scsi(9): Handle bogus number of LUNs in SCSI_REPORT_LUNS.
UBSan: Undefined Behavior in config_devalloc -1 C 149 1980d 2097d 3/3 1505d 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 1562d 1596d 3/3 1505d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
ASan: Unauthorized Access in cryptodev_mop -1 1 1561d 1561d 3/3 1505d 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 1507d 1594d 3/3 1505d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
ASan: Unauthorized Access in ktrace_thread -1 1 1580d 1580d 3/3 1505d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
MSan: Uninitialized Memory in pathbuf_destroy -1 C 3 1574d 1574d 3/3 1505d 5a9cf8fcf6e0 ccd(4): Only pathbuf_destroy if pathbuf_copyin succeeded.
panic: genfs: bad op (2) 2 C 6 1505d 1579d 3/3 1505d 0dbc06c160e9 kernfs: Just fail with EOPNOTSUPP, don't panic, on VOP_BMAP.
page fault in ktrace_thread -1 syz 82 1506d 1601d 3/3 1505d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
panic: : playback 2 C 1 1554d 1554d 3/3 1505d 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 1505d 1643d 3/3 1505d 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 1506d 1637d 3/3 1505d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
UBSan: Undefined Behavior in adjtime1 -1 C 16 1506d 1549d 3/3 1505d 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 1576d 1576d 3/3 1505d 46605d0471d3 ktrace(9): Avoid stomping over colliding KTROP_SET.
MSan: Uninitialized Memory in emdtv_i2c_exec -1 C 5 1955d 1956d 3/3 1505d 6dc364f9e2c2 emdtv(4): If register read fails, read as all zero.
MSan: Uninitialized Memory in ktrace_thread -1 C 450 1506d 1644d 3/3 1505d 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 1550d 1550d 3/3 1505d 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 1581d 1581d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: ugen0: setting configuration index NUM failed 2 2 1554d 1596d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: urtwn0: failed to set configuration, err=IOERROR 2 1 1552d 1552d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhidev0: detached 2 3 1516d 1579d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub5: device problem, disabling port NUM 2 6 1507d 1591d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: cdce0: faking address 2 1 1525d 1525d 3/3 1505d 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 1509d 1509d 3/3 1505d 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 1569d 1569d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: device problem, disabling port NUM 2 1 1573d 1573d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: cdce0: detached 2 1 1516d 1516d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhidev0: no input interrupt endpoint 2 C 6 1561d 1594d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub4: device problem, disabling port NUM 2 7 1524d 1594d 3/3 1505d 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 1577d 1577d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub3: device problem, disabling port NUM 2 6 1515d 1582d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: (addr NUM) disconnected 2 1 1518d 1518d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub0: device problem, disabling port NUM 2 8 1506d 1579d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: urtwn0: failed to set configuration, err=TIMEOUT 2 1 1586d 1586d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: [ NUM.ADDR] vpanic() at netbsd:vpanic+0x2d0 2 6 1510d 1666d 3/3 1505d 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 1518d 1628d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub1: device problem, disabling port NUM 2 1 1536d 1536d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
UBSan: Undefined Behavior in bpf_ioctl -1 C 2 1539d 1539d 3/3 1505d 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 1569d 1569d 3/3 1505d 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 1527d 1527d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: [ NUM.ADDR] vpanic() at netbsd:vpanic+0x9ec 2 2 1515d 1575d 3/3 1505d 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 1509d 1509d 3/3 1505d d8cd23d6aa6c ffs: Fix 64-bit inode integer truncation.
UBSan: Undefined Behavior in soreceive (2) -1 1 1514d 1514d 3/3 1505d 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 1566d 1566d 3/3 1505d 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 1580d 1593d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
panic: uhub2: device problem, disabling port NUM 2 2 1508d 1559d 3/3 1505d 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 1521d 1521d 3/3 1505d 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 1562d 1562d 3/3 1505d 8934564b15e9 vhci(4): Don't fail with ENOBUFS if no intrxfer is set up.
ASan: Unauthorized Access in psignal (2) -1 C 7 1549d 1909d 3/3 1512d e30c3d8025bf usb(4): Use atomics for usb_async_proc.
panic: kernel diagnostic assertion "searchdir != foundobj" failed: file "/syzkaller/managers/ci2-netbsd- 2 1 1563d 1563d 3/3 1535d d832c645c7cf Remove the assertion "searchdir != foundobj" from lookup_crossmount().
assert failed: searchdir != foundobj -1 C 2326 1536d 2093d 3/3 1535d 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 1562d 1562d 3/3 1535d 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 1558d 1558d 3/3 1535d 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 1556d 1556d 3/3 1535d d832c645c7cf Remove the assertion "searchdir != foundobj" from lookup_crossmount().
UBSan: Undefined Behavior in ntp_adjtime1 -1 1 1542d 1542d 3/3 1540d 13b44dbbb69d kernel: Avoid arithmetic overflow in ntp_adjtime.
UBSan: Undefined behavior (3) -1 1 1596d 1596d 3/3 1595d ee532b2421c3 Use unsigned to avoid undefined behavior. Found by kUBSan.
UBSan: Undefined Behavior in usb_free_device -1 syz 1 1657d 1657d 3/3 1654d 02983654f25e Revert "usb: uhub: remove unnecessary delays when powering on ports"
page fault in __asan_load1 -1 1 1657d 1657d 3/3 1654d 02983654f25e Revert "usb: uhub: remove unnecessary delays when powering on ports"
UBSan: Undefined Behavior in pppasyncstart.cold -1 18 1681d 1703d 3/3 1671d 44b1f8a1c3ff Use unsigned to avoid undefined behavior in pppasyncstart().
panic: _uvm_mapent_check: bad entry ADDR, line 2299 2 C 2 1765d 1766d 3/3 1759d 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 1765d 1765d 3/3 1759d 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 1833d 2106d 3/3 1759d 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 1837d 2053d 3/3 1762d 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 1792d 1797d 3/3 1791d d5b984e0de7e avoid dereferencing a constant string address as a UINT32 pointer, KUBSAN complains about bad alignment.
UBSan: Undefined Behavior in ts2timo -1 C 40 1801d 2159d 3/3 1791d 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 1804d 2131d 3/3 1791d 4af96c872b34 Honor LOCKPARENT for ".." of the root directory.
UBSan: Undefined Behavior in free_pipe -1 C 6 1880d 1950d 3/3 1791d 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 1950d 1950d 3/3 1791d 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 2000d 2010d 3/3 1946d e5ad6630f80f Check the return value of device_lookup_private against NULL.
UBSan: Undefined Behavior in quota1_handle_cmd_quotaoff -1 C 22 1957d 2089d 3/3 1947d 479d6bd7aed1 Avoid potentially accessing an array with an index out of range.
UBSan: Undefined Behavior in quota1_handle_cmd_quotaon -1 C 310 1950d 2095d 3/3 1947d 479d6bd7aed1 Avoid potentially accessing an array with an index out of range.
UBSan: Undefined Behavior in fsetown -1 C 643 1948d 2132d 3/3 1948d fe22bed11b62 Avoid negating the minimum size of pid_t (this overflows).
assert failed: semcnt >= 0 -1 C 1460 1958d 2100d 3/3 1958d 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 1967d 1967d 3/3 1967d 46944f1c4d5d Fix an uninitialized pointer deref introduced in rev 1.207.
assert failed: ! (2) -1 C 4 1991d 1991d 3/3 1982d 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 1984d 2019d 3/3 1983d 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 1985d 2093d 3/3 1985d 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 2037d 2037d 3/3 1985d 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 2049d 2049d 3/3 1985d 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 2108d 2108d 3/3 1985d 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 2012d 2108d 3/3 1985d 9235b59ee381 Lock the vnode while calling VOP_BMAP() for FIOGETBMAP.
UBSan: Undefined behavior -1 8 2018d 2093d 3/3 1985d 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 2039d 2039d 3/3 1985d 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 2038d 2038d 3/3 1985d 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 1987d 2042d 3/3 1985d c32467e14928 tty_43: Check a bitset from userspace is valid before shifting it
UBSan: Undefined Behavior in tty_get_qsize -1 C 19 2068d 2114d 3/3 2067d 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 2077d 2078d 3/3 2076d 257aaf9afb72 Fix ugen detach after partial attach.
ASan: Unauthorized Access in nvlist_copyin -1 C 2 2102d 2102d 3/3 2076d 17ffbcbdab9a Add missing cases, to prevent memory corruption.
assert failed: 0 <= space && space <= ifc->ifc_len -1 C 4 2111d 2111d 3/3 2109d 0be10c48cf6f Don't accept negative value.
page fault in statvfs_to_statfs12_copy -1 C 5 2129d 2129d 3/3 2129d 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 2130d 2130d 3/3 2129d 6cac1dde29fb Fix NULL deref on attach failure. Found via vHCI fuzzing.
UBSan: Undefined Behavior in pipe_ioctl -1 C 1 2131d 2131d 3/3 2129d 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 2132d 2132d 3/3 2131d 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 2132d 2180d 3/3 2132d 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 2133d 2133d 3/3 2132d 521e747162a6 Hum. Fix NULL deref triggerable with just write(0).
assert failed: p != NULL -1 1 2231d 2231d 3/3 2148d 3c214a3d995e Fix bohr bug triggered only once by syzkaller 2,5 months ago.
UBSan: Undefined Behavior in db_read_bytes -1 1 2152d 2152d 3/3 2150d 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 2155d 2159d 3/3 2154d 248fe10b7a27 Reported-by: syzbot+6dd5a230d19f0cbc7814@syzkaller.appspotmail.com
panic: LOCKDEBUG: Mutex error: mutex_vector_enter,516: spin lock held 2 C 95 2155d 2174d 3/3 2154d 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 2156d 2156d 3/3 2154d 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 2156d 2156d 3/3 2154d 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 2162d 2162d 3/3 2154d 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 2155d 2156d 3/3 2154d 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 2157d 2159d 3/3 2154d 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 2231d 2231d 3/3 2168d 4cd60295b346 Reported-by: syzbot+3e3c7cfa8093f8de047e@syzkaller.appspotmail.com
panic: LOCKDEBUG: Mutex error: mutex_vector_enter,512: locking against myself 2 C 52 2169d 2174d 3/3 2168d 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 2172d 2172d 3/3 2172d 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 2188d 2221d 3/3 2172d 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 2184d 2186d 3/3 2182d 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 2225d 2225d 3/3 2217d 395a577cab63 Pacify a syzbot complaint about bit shifting.
assert failed: pmap->pm_stats.resident_count == PDP_SIZE -1 syz 22 2228d 2229d 3/3 2228d 398f36d55ce0 PR port-amd64/55083 (assertion "pmap->pm_stats.resident_count == PDP_SIZE" failed)
assert failed: ptp->wire_count == 1 -1 C 16 2229d 2230d 3/3 2229d 4538c4a0a4c9 Pacify assertion in a failure path.
assert failed: (opte & (PTE_A | PTE_P)) != PTE_A -1 C 15 2230d 2232d 3/3 2230d 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 2230d 2231d 3/3 2230d 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 2240d 2316d 3/3 2240d 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 2305d 2305d 3/3 2240d 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 2254d 2255d 3/3 2240d 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 2252d 2265d 3/3 2240d 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 2240d 2301d 3/3 2240d e78f9b4fde02 A final set of scheduler tweaks:
MSan: Uninitialized Memory in bus_dmamap_sync -1 C 16 2251d 2256d 3/3 2240d 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 2323d 2324d 3/3 2256d 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 2323d 2324d 3/3 2256d 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 2317d 2320d 3/3 2256d 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 2322d 2323d 3/3 2256d 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 2317d 2317d 3/3 2256d 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 2322d 2322d 3/3 2256d dc1bd2c9382b Fix LOCKDEBUG panic on mutex_init().
assert failed: lwp_locked(l, l->l_cpu->ci_schedstate.spc_lwplock) -1 C 2676 2344d 2345d 2/3 2341d 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 2350d 2362d 2/3 2350d 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 2354d 2474d 2/3 2352d 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 2371d 2374d 2/3 2352d 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 2357d 2357d 2/3 2352d 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 2352d 2353d 2/3 2352d 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 2363d 2368d 2/3 2352d 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 2353d 2363d 2/3 2352d 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 2390d 2398d 2/3 2385d 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 2386d 2390d 2/3 2385d 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 2389d 2389d 2/3 2388d 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 2394d 2395d 2/3 2394d 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 2396d 2396d 2/3 2395d 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 2395d 2395d 2/3 2395d 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 2395d 2395d 2/3 2395d 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 2411d 2412d 2/3 2397d 338a6d8211a1 Use an explicit run-time assertion where compile-time doesn't work.
panic: ifmedia_add: can't malloc entry 2 28 2399d 2475d 2/3 2398d 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 2400d 2432d 2/3 2398d db38f3713d52 in shmdt(), wait until shmat() completes before detaching.
page fault in shm_delete_mapping -1 syz 17 2533d 2545d 2/3 2398d 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 2402d 2408d 2/3 2400d 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 2407d 2407d 2/3 2406d 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 2406d 2409d 2/3 2406d 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 2410d 2410d 2/3 2409d 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 2409d 2410d 2/3 2409d 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 2409d 2410d 2/3 2409d 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 2412d 2412d 2/3 2410d 360cafb4be56 Decorate percpu_cpu_swap() with __noubsan
assert failed: buflen != 0 -1 syz 18 2417d 2417d 1/3 2417d 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 2480d 2618d 1/3 2418d 80a06cecc711 Fix race in timer destruction.
assert failed: c->c_cpu->cc_lwp == curlwp || c->c_cpu->cc_active != c -1 C 247 2479d 2619d 1/3 2436d 80a06cecc711 Fix race in timer destruction.
assert failed: to_ticks >= 0 (2) -1 C 70 2491d 2550d 1/3 2436d 4952945bc9cb Clamp tcp timer quantities to reasonable ranges.
assert failed: pg->wire_count != 0 (2) -1 C 174 2480d 2502d 1/3 2436d 95ce9a69b407 fix two bugs reported in https://syzkaller.appspot.com/bug?id=8840dce484094a926e1ec388ffb83acb2fa291c9
assert failed: pg->wire_count > 0 -1 C 6 2604d 2616d 1/3 2436d 6eb7fd2b53ce Acquire shmseg uobj reference while we hold shm_lock.
assert failed: uvm_page_locked_p(pg) -1 C 44 2480d 2490d 1/3 2480d 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 2494d 2495d 1/3 2493d 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 2501d 2501d 1/3 2496d 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 2503d 2503d 1/3 2502d 00dad9ea5158 Correct wrong type of uio_seg passed to do_sys_mknodat()
assert failed: ! -1 2 2502d 2503d 1/3 2502d 00dad9ea5158 Correct wrong type of uio_seg passed to do_sys_mknodat()
assert failed: pmap->pm_obj[i].uo_npages == 0 -1 C 58 2532d 2613d 1/3 2503d 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 2535d 2599d 1/3 2503d 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 2556d 2616d 1/3 2549d 7abfdd368b0d Clean up pipe structure before recycling it.
assert failed: to_ticks >= 0 -1 C 2547 2568d 2618d 1/3 2568d 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 2569d 2606d 1/3 2569d 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 2610d 2619d 1/3 2582d 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 2601d 2617d 1/3 2601d 713042b84b5e Take a reference on ndp->ni_rootdir and ndp->ni_erootdir.
assert failed: vp->v_type == VREG -1 C 139 2607d 2617d 1/3 2607d 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 2607d 2618d 1/3 2607d 21e56f354bb4 Change vn_openchk() to fail VNON and VBAD with error ENXIO.
assert failed: c->c_magic == CALLOUT_MAGIC -1 C 1645 2618d 2619d 1/3 2611d 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 2616d 2617d 1/3 2615d 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 2617d 2617d 1/3 2617d 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 2617d 2618d 1/3 2617d 09915c34c237 Reading a directory may trigger a panic when the buffer is too small. Adjust necessary checks.
ASan bug (2) -1 C 347 2617d 2618d 1/3 2617d 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 2618d 2619d 1/3 2618d 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.