bisecting cause commit starting from 325d0eab4f31c6240b59d5b2b8042c88f59405b5
building syzkaller on 9564d2e9821aea842b6ab213174aabd4b578b039
testing commit 325d0eab4f31c6240b59d5b2b8042c88f59405b5 with gcc (GCC) 8.1.0
kernel signature: f82b4503814520d092775736cbba5c71dfa018035966d69d396068bc793c3b08
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in jffs2_parse_param
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0
kernel signature: 7f7d1bdec259e8078c6c516fdc59196832cd009868eee878ce3da23214f6643d
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in jffs2_parse_param
testing release v5.7
testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0
kernel signature: 6eeab8bbc76b47de27e5103d8fd902755acdf9b1c424d9866a2f986dc546802e
all runs: crashed: general protection fault in jffs2_parse_param
testing release v5.6
testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.1.0
kernel signature: aeb8d07a8c0bbead2ce29b36bc1dc0f4f113f7627353024b1d754a647683ab6b
all runs: crashed: general protection fault in jffs2_parse_param
testing release v5.5
testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.1.0
kernel signature: 20587e7a16cc26a685a082096265a3c18dc1c160d8a907d58e7d077b7df471fc
all runs: crashed: general protection fault in jffs2_parse_param
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0
kernel signature: 8e33f07193133354e2c5db7d36cb66ccf46f52d94e626dc78ff7ffa612e3014b
all runs: crashed: general protection fault in jffs2_parse_param
testing release v5.3
testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0
kernel signature: dadbb2614ccb2c84bdb5e9be5daeb6b60e15dd51bf3e8aabc7d2be08ad09f621
run #0: OK
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: crashed: KASAN: use-after-free Read in batadv_iv_ogm_queue_add
testing release v5.2
testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0
kernel signature: c4de96e00b7bd0679163714ce74eb7a0b7cb4ab9f8e39cc130a5d2249e239781
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #9: OK
testing release v5.1
testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0
kernel signature: 420580372a09a8ce491ec397dc09d6337e5c124f9cbeb0f9a8ede8f4543cc2d5
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
testing release v5.0
testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0
kernel signature: a5e8b4303141bc62939cc26607fb9944d00d0d1ef57ec5cad50ebf5b9bada2ff
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
testing release v4.20
testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0
kernel signature: faff9204037d965ebba16100b389b8d806e207c6892e31788d84edcfbcc21143
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #9: OK
testing release v4.19
testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0
kernel signature: 1ef12a505c9d682d1eeef4d9e9148e6224339afe807a737727c19a15f0135541
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #8: OK
run #9: OK
testing release v4.18
testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0
kernel signature: d4d6d875bd55a7fb0b74c196722e19857181c7640c73f824d44eca1622e52bfd
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
testing release v4.17
testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0
kernel signature: 202768fec24364d3c581451ba687c61e5758f1bb2183667d6b181148834edd5d
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #9: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
testing release v4.16
testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0
kernel signature: b179ba5ec0d7de01d3aee31d5314b62d6466473810c46a79b890579ea542a905
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #9: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
testing release v4.15
testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0
./arch/x86/include/asm/bootparam_utils.h:37: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:39: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:42: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:45: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:48: undefined reference to `__ubsan_handle_type_mismatch_v1'
testing release v4.14
testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0
./arch/x86/include/asm/bootparam_utils.h:37: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:39: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:42: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:45: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:48: undefined reference to `__ubsan_handle_type_mismatch_v1'
testing release v4.13
testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0
./arch/x86/include/asm/bootparam_utils.h:36: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:38: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:41: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:44: undefined reference to `__ubsan_handle_type_mismatch_v1'
./arch/x86/include/asm/bootparam_utils.h:47: undefined reference to `__ubsan_handle_type_mismatch_v1'
testing release v4.12
testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0
arch/x86/entry/common.c:173: undefined reference to `__ubsan_handle_type_mismatch_v1'
./include/linux/compiler.h:254: undefined reference to `__ubsan_handle_type_mismatch_v1'
./include/linux/tracehook.h:190: undefined reference to `__ubsan_handle_type_mismatch_v1'
./include/linux/thread_info.h:60: undefined reference to `__ubsan_handle_type_mismatch_v1'
./include/trace/events/syscalls.h:17: undefined reference to `__ubsan_handle_type_mismatch_v1'
testing release v4.11
testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0
kernel signature: cb540d608162c27586992cb2f3dd1cb70e77de0482b9995035936a7a88d1ea50
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le
testing release v4.10
testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0
kernel signature: bd0deea06d9599fb57d51a37daccf0530fa9fcb4990a5e818ab28dbc46829963
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_init_is_le
testing release v4.9
testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0
kernel signature: 6a4b5cf3bd1979ed6cc357d998560071ab97989bb319a6c4e0402c7185059771
all runs: OK
# git bisect start 4d856f72c10ecb060868ed10ff1b1453943fc6c8 69973b830859bc6529a7a0468ba0d80ee5117826
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[71a1c915238c970cd9bdd5bf158b1279d6b6d55b] net/ipv6: Increment OUTxxx counters after netfilter hook
testing commit 71a1c915238c970cd9bdd5bf158b1279d6b6d55b with gcc (GCC) 8.1.0
kernel signature: da2633ed93a43155572301ac3c981f6732df04ae10a01d5a852b9a153fa4c6d9
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #9: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
# git bisect skip 71a1c915238c970cd9bdd5bf158b1279d6b6d55b
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[60c7ec9ee4a3410c2cb08850102d363c7e207f48] ocfs2/dlm: wait for dlm recovery done when migrating all lock resources
testing commit 60c7ec9ee4a3410c2cb08850102d363c7e207f48 with gcc (GCC) 8.1.0
kernel signature: adfcf7f90066d27095da97fd4f62fcb0b43f63740eeeab648d10e5c36a6eba8a
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #9: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 60c7ec9ee4a3410c2cb08850102d363c7e207f48
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[b5d013bc09e9e76df9cdc85c2598486ba9a5b9b6] staging: rts5208: rename SG_END macro
testing commit b5d013bc09e9e76df9cdc85c2598486ba9a5b9b6 with gcc (GCC) 8.1.0
kernel signature: 8f49e60f45e702f153a0f1d7227bc838752eb9657087469cd6ac64204a7c1e3f
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip b5d013bc09e9e76df9cdc85c2598486ba9a5b9b6
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[70ae9cf015a165c33b63c9c7718f5a3c70e51f96] staging: fsl-mc: Move DPCON out of staging
testing commit 70ae9cf015a165c33b63c9c7718f5a3c70e51f96 with gcc (GCC) 8.1.0
kernel signature: 81fe119157b722069cfc95a412e6a9873d2de67ae9d5fda01ed729505dda3f86
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #9: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 70ae9cf015a165c33b63c9c7718f5a3c70e51f96
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[4ea7fc09539bd2399c1fa7acea14529406120d9e] drm/amd/display: Do not program interrupt status on disabled crtc
testing commit 4ea7fc09539bd2399c1fa7acea14529406120d9e with gcc (GCC) 8.1.0
kernel signature: ce02d602ebd7d9e3906c7315d782778e240bdc3c5fbe31ad3cb4940ae3e7d776
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #9: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 4ea7fc09539bd2399c1fa7acea14529406120d9e
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[ff3c1b1a817d72e092fded369596dbd84e719ab8] drivers: vhost: vsock: fixed a brace coding style issue
testing commit ff3c1b1a817d72e092fded369596dbd84e719ab8 with gcc (GCC) 8.1.0
kernel signature: e6b3521329818e035b04bfff986bc5197c3e58e9c6b21aaf59c8d04b63a4e0ac
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip ff3c1b1a817d72e092fded369596dbd84e719ab8
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[602a9de513d5a43ecaf7d0443eca41656165d3c4] drm/i915/skl: Add warn about unsupported CDCLK rates
testing commit 602a9de513d5a43ecaf7d0443eca41656165d3c4 with gcc (GCC) 8.1.0
kernel signature: e3bc41a5d337c7631199eaf1309f99ab0a93ded317f90eacefc079327959235a
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 602a9de513d5a43ecaf7d0443eca41656165d3c4
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[5288c7182dd389bb03b0a1aa38550b344fe5bf97] drm/i915/guc: Move defines with size of GuC logs to intel_guc_log.h
testing commit 5288c7182dd389bb03b0a1aa38550b344fe5bf97 with gcc (GCC) 8.1.0
kernel signature: 34d7c72a1770d3bfe914f1abcef653e09f9620969b838097208f64a913b5c2f7
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 5288c7182dd389bb03b0a1aa38550b344fe5bf97
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[9ef20753e044f7468c4113e5aecd785419b0b3cc] EDAC, altera: Fix ARM64 build warning
testing commit 9ef20753e044f7468c4113e5aecd785419b0b3cc with gcc (GCC) 8.1.0
kernel signature: 78afc00d9bf742909907a34d92363d4d82fa3f8670c8de02c6ef973dc91e65e4
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 9ef20753e044f7468c4113e5aecd785419b0b3cc
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[2521680e1830c21033efe48322829044c6e6b32b] sctp: remove sctp_assoc_pending_pmtu
testing commit 2521680e1830c21033efe48322829044c6e6b32b with gcc (GCC) 8.1.0
kernel signature: 569f6ceb93e1c8ea7cd0b10fdd645a239bc5a0703f57dfcfe055378dbe588287
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 2521680e1830c21033efe48322829044c6e6b32b
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[30480a849820d728c409e90bd6715d11f4071416] arm64: defconfig: Enable HISILICON_LPC
testing commit 30480a849820d728c409e90bd6715d11f4071416 with gcc (GCC) 8.1.0
kernel signature: 34b8ff59f8967096e215c29ae7c822dc87858f051af41d3744ea720a0173ff29
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #9: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 30480a849820d728c409e90bd6715d11f4071416
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[f89ce734cbe53f96480eb3110dc676c02de42cb7] staging: mt7621-mmc: Remove redundant opcode check
testing commit f89ce734cbe53f96480eb3110dc676c02de42cb7 with gcc (GCC) 8.1.0
kernel signature: e10bdc5428bb39a7c0b7c8c725a747108e93bb03eb6a78166bb8d1d5c93f1474
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip f89ce734cbe53f96480eb3110dc676c02de42cb7
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[3239534a79ee6f20cffd974173a1e62e0730e8ac] net/sched: fix NULL dereference in the error path of tcf_bpf_init()
testing commit 3239534a79ee6f20cffd974173a1e62e0730e8ac with gcc (GCC) 8.1.0
kernel signature: e2d31573385cc388c3c2c254218cfb96ef8ff2bdb92e3930d4c10253e686e099
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
run #9: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 3239534a79ee6f20cffd974173a1e62e0730e8ac
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[0c5a9acc8b4e878e761f735e144d4a7e4477d4e6] tracing: Fix the file mode of stack tracer
testing commit 0c5a9acc8b4e878e761f735e144d4a7e4477d4e6 with gcc (GCC) 8.1.0
kernel signature: 2a25c76b3247ccbb5c3ef3412254b63a3ab2ab5d395c76e385a37d570d5de2ba
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 0c5a9acc8b4e878e761f735e144d4a7e4477d4e6
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[510c48795d4b48963d4d8a889bb8650a11e3f440] ocfs2: fix spelling mistake: "Migrateable" -> "Migratable"
testing commit 510c48795d4b48963d4d8a889bb8650a11e3f440 with gcc (GCC) 8.1.0
kernel signature: bcef91d178ce9d53bba6f78d3e4477aeeab61696e9c0ac8669801f4931fb3f49
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 510c48795d4b48963d4d8a889bb8650a11e3f440
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[647d4c1363a85bec63ecf929d4ab4aae78b2a960] net/ipv6: Remove compare of fib6_idev from rt6_duplicate_nexthop
testing commit 647d4c1363a85bec63ecf929d4ab4aae78b2a960 with gcc (GCC) 8.1.0
kernel signature: 80600aa7ec0385411e0acf96955e0c8eaa69c6fd21ed5a669322a2289c65fdde
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #9: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip 647d4c1363a85bec63ecf929d4ab4aae78b2a960
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[a2aeea1cc14f9143f973b99950f39b38be144f3e] Merge branch 'hv_netvsc-Fix-shutdown-issues-on-older-Windows-hosts'
testing commit a2aeea1cc14f9143f973b99950f39b38be144f3e with gcc (GCC) 8.1.0
kernel signature: 6c5db8a35916491b3a0137f5fb060f0446f9869ed603cdeb8a0b061be4761d13
run #0: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #1: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #2: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #3: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #4: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #5: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #6: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #7: basic kernel testing failed: UBSAN: undefined-behaviour in handle_null_ptr_deref
run #8: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
run #9: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip a2aeea1cc14f9143f973b99950f39b38be144f3e
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[a25c36577ca788f9ea4b229baef1b6d436393a4c] 9p: check memory allocation result for cachetag
testing commit a25c36577ca788f9ea4b229baef1b6d436393a4c with gcc (GCC) 8.1.0
kernel signature: da2128ea4c83fab1301d83560e7da858119f9cb72fb009391bd5a478450e4550
all runs: basic kernel testing failed: UBSAN: undefined-behaviour in vhost_vq_reset
# git bisect skip a25c36577ca788f9ea4b229baef1b6d436393a4c
Bisecting: 111066 revisions left to test after this (roughly 17 steps)
[a43d24cb3b0b395de8bb176355a907a9c9a1c42e] ocfs2/dlm: clean up unused stack variable in dlm_do_local_ast()
revisions tested: 40, total time: 8h2m34.52391275s (build: 4h23m42.579350937s, test: 2h12m40.300534338s)
error: bisection is taking too long (>8h0m0s), aborting