ci starts bisection 2023-07-08 17:58:25.905076793 +0000 UTC m=+69873.093963335
bisecting cause commit starting from a452483508d7b70b0f6c69e249ec0b3ea2330b5c
building syzkaller on 22ae5830af1ab04e8042e534dd9baf750bc0d0ac
ensuring issue is reproducible on original commit a452483508d7b70b0f6c69e249ec0b3ea2330b5c

testing commit a452483508d7b70b0f6c69e249ec0b3ea2330b5c gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8fbca8c5a51579353b7bdb6fc774f9d6cd4126d7440538cead5e171302c00941
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
check whether we can drop unnecessary instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK BUG KASAN], they are not needed
testing commit a452483508d7b70b0f6c69e249ec0b3ea2330b5c gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
failed building a452483508d7b70b0f6c69e249ec0b3ea2330b5c: ./include/linux/thread_info.h:244:4: error: call to '__bad_copy_from' declared with attribute error: copy source size is too small
testing release v6.4
testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 6e120d6184fdc0c6995069a569a39fbd7a96114bc3319c6eac92849597c34d8a
run #0: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #1: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #2: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #3: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #4: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #5: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #6: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #7: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #8: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #9: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #10: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #11: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #12: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #13: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #14: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #15: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #16: OK
run #17: OK
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
testing release v6.3
testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e381b8776ea5492aa7faad87ed20e5f0b19c2d4f3923616d6e53596907f630d5
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
testing release v6.2
testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b8b354886a376ed443083e75c5c60f9d607d851667dbb2dbb8ce64b8f6050d56
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 59542613a579f6af17df528ca12234143345c7ad59eba196e294f08713259787
run #0: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #1: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #2: crashed: possible deadlock in virtual_nci_close
run #3: crashed: possible deadlock in virtual_nci_close
run #4: crashed: possible deadlock in virtual_nci_close
run #5: crashed: possible deadlock in virtual_nci_close
run #6: crashed: possible deadlock in virtual_nci_close
run #7: crashed: possible deadlock in virtual_nci_close
run #8: crashed: possible deadlock in virtual_nci_close
run #9: crashed: possible deadlock in virtual_nci_close
run #10: crashed: possible deadlock in virtual_nci_close
run #11: crashed: possible deadlock in virtual_nci_close
run #12: crashed: possible deadlock in virtual_nci_close
run #13: crashed: possible deadlock in virtual_nci_close
run #14: crashed: possible deadlock in virtual_nci_close
run #15: crashed: possible deadlock in virtual_nci_close
run #16: crashed: possible deadlock in virtual_nci_close
run #17: crashed: possible deadlock in virtual_nci_close
run #18: crashed: possible deadlock in virtual_nci_close
run #19: crashed: possible deadlock in virtual_nci_close
representative crash: possible deadlock in virtual_nci_close, types: [LOCKDEP]
testing release v6.0
testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b971326eb83ce231258c03b852bb68203c458bbd5874f11557d8dcfe735f3e83
all runs: crashed: possible deadlock in virtual_nci_close
representative crash: possible deadlock in virtual_nci_close, types: [LOCKDEP]
testing release v5.19
testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8353aea0bef7dfcf50abcacac7a0b9a64e87984a0f04d59606265ab06bec5bc0
run #0: crashed: possible deadlock in virtual_nci_close
run #1: crashed: possible deadlock in virtual_nci_close
run #2: crashed: possible deadlock in virtual_nci_close
run #3: crashed: possible deadlock in virtual_nci_close
run #4: crashed: possible deadlock in virtual_nci_close
run #5: crashed: possible deadlock in virtual_nci_close
run #6: crashed: possible deadlock in nci_start_poll
run #7: crashed: possible deadlock in nci_start_poll
run #8: crashed: possible deadlock in virtual_nci_close
run #9: crashed: possible deadlock in virtual_nci_close
run #10: crashed: possible deadlock in nci_start_poll
run #11: crashed: possible deadlock in nci_start_poll
run #12: crashed: possible deadlock in virtual_nci_close
run #13: crashed: possible deadlock in virtual_nci_close
run #14: crashed: possible deadlock in virtual_nci_close
run #15: crashed: possible deadlock in virtual_nci_close
run #16: crashed: possible deadlock in virtual_nci_close
run #17: crashed: possible deadlock in virtual_nci_close
run #18: crashed: possible deadlock in virtual_nci_close
run #19: crashed: possible deadlock in virtual_nci_close
representative crash: possible deadlock in virtual_nci_close, types: [LOCKDEP]
testing release v5.18
testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 199bca0a498247625bfce2c4c95ff0611f6af206e60d2209ff79b357de8733ad
run #0: crashed: possible deadlock in virtual_nci_close
run #1: crashed: possible deadlock in virtual_nci_close
run #2: crashed: possible deadlock in virtual_nci_close
run #3: crashed: possible deadlock in virtual_nci_close
run #4: crashed: possible deadlock in virtual_nci_close
run #5: crashed: possible deadlock in virtual_nci_close
run #6: crashed: possible deadlock in virtual_nci_close
run #7: crashed: possible deadlock in virtual_nci_close
run #8: crashed: possible deadlock in virtual_nci_close
run #9: crashed: possible deadlock in virtual_nci_close
run #10: crashed: possible deadlock in virtual_nci_close
run #11: crashed: possible deadlock in virtual_nci_close
run #12: crashed: possible deadlock in nci_start_poll
run #13: crashed: possible deadlock in nci_start_poll
run #14: crashed: possible deadlock in virtual_nci_close
run #15: crashed: possible deadlock in virtual_nci_close
run #16: crashed: possible deadlock in virtual_nci_close
run #17: crashed: possible deadlock in virtual_nci_close
run #18: crashed: possible deadlock in virtual_nci_close
run #19: crashed: possible deadlock in virtual_nci_close
representative crash: possible deadlock in virtual_nci_close, types: [LOCKDEP]
testing release v5.17
testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 53c247df57dbad270270b79b8e4b05f080df69acaa9584bc0c8474cc6bc3f47c
run #0: crashed: possible deadlock in virtual_nci_close
run #1: crashed: possible deadlock in virtual_nci_close
run #2: crashed: possible deadlock in nci_start_poll
run #3: crashed: possible deadlock in nci_start_poll
run #4: crashed: possible deadlock in virtual_nci_close
run #5: crashed: possible deadlock in virtual_nci_close
run #6: crashed: possible deadlock in virtual_nci_close
run #7: crashed: possible deadlock in virtual_nci_close
run #8: crashed: possible deadlock in virtual_nci_close
run #9: crashed: possible deadlock in virtual_nci_close
run #10: crashed: possible deadlock in virtual_nci_close
run #11: crashed: possible deadlock in virtual_nci_close
run #12: crashed: possible deadlock in virtual_nci_close
run #13: crashed: possible deadlock in virtual_nci_close
run #14: crashed: possible deadlock in virtual_nci_close
run #15: crashed: possible deadlock in virtual_nci_close
run #16: crashed: possible deadlock in nci_start_poll
run #17: crashed: possible deadlock in nci_start_poll
run #18: crashed: possible deadlock in virtual_nci_close
run #19: crashed: possible deadlock in virtual_nci_close
representative crash: possible deadlock in virtual_nci_close, types: [LOCKDEP]
testing release v5.16
testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 856ad657bdc32fd443db92596de300c3a4ced74dd295e824e26a3d130181168b
run #0: crashed: possible deadlock in virtual_nci_close
run #1: crashed: possible deadlock in virtual_nci_close
run #2: crashed: possible deadlock in virtual_nci_close
run #3: crashed: possible deadlock in virtual_nci_close
run #4: crashed: possible deadlock in virtual_nci_close
run #5: crashed: possible deadlock in virtual_nci_close
run #6: crashed: possible deadlock in virtual_nci_close
run #7: crashed: possible deadlock in virtual_nci_close
run #8: crashed: possible deadlock in nci_start_poll
run #9: crashed: possible deadlock in nci_start_poll
run #10: crashed: possible deadlock in virtual_nci_close
run #11: crashed: possible deadlock in virtual_nci_close
run #12: crashed: possible deadlock in virtual_nci_close
run #13: crashed: possible deadlock in virtual_nci_close
run #14: crashed: possible deadlock in virtual_nci_close
run #15: crashed: possible deadlock in virtual_nci_close
run #16: crashed: possible deadlock in virtual_nci_close
run #17: crashed: possible deadlock in virtual_nci_close
run #18: crashed: possible deadlock in virtual_nci_close
run #19: crashed: possible deadlock in virtual_nci_close
representative crash: possible deadlock in virtual_nci_close, types: [LOCKDEP]
testing release v5.15
testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d063b5306881d6a69469ab7bcf49ab4b34173e2dba69cb8d841c6e1674fa387e
run #0: crashed: possible deadlock in virtual_nci_close
run #1: crashed: possible deadlock in virtual_nci_close
run #2: crashed: possible deadlock in virtual_nci_close
run #3: crashed: possible deadlock in virtual_nci_close
run #4: crashed: possible deadlock in virtual_nci_close
run #5: crashed: possible deadlock in virtual_nci_close
run #6: crashed: possible deadlock in virtual_nci_close
run #7: crashed: possible deadlock in virtual_nci_close
run #8: crashed: possible deadlock in virtual_nci_close
run #9: crashed: possible deadlock in virtual_nci_close
run #10: crashed: possible deadlock in virtual_nci_close
run #11: crashed: possible deadlock in virtual_nci_close
run #12: crashed: possible deadlock in nci_start_poll
run #13: crashed: possible deadlock in nci_start_poll
run #14: crashed: possible deadlock in nci_start_poll
run #15: crashed: possible deadlock in nci_start_poll
run #16: crashed: possible deadlock in virtual_nci_close
run #17: crashed: possible deadlock in virtual_nci_close
run #18: crashed: possible deadlock in virtual_nci_close
run #19: crashed: possible deadlock in virtual_nci_close
representative crash: possible deadlock in virtual_nci_close, types: [LOCKDEP]
testing release v5.14
testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 17af3de9eb05a053586f8267133186154bb6b064287ff97ffac61d4dd2c1867e
run #0: crashed: possible deadlock in virtual_nci_close
run #1: crashed: possible deadlock in virtual_nci_close
run #2: crashed: possible deadlock in virtual_nci_close
run #3: crashed: possible deadlock in virtual_nci_close
run #4: crashed: possible deadlock in virtual_nci_close
run #5: crashed: possible deadlock in virtual_nci_close
run #6: crashed: possible deadlock in virtual_nci_close
run #7: crashed: possible deadlock in virtual_nci_close
run #8: crashed: possible deadlock in nci_start_poll
run #9: crashed: possible deadlock in nci_start_poll
run #10: crashed: possible deadlock in virtual_nci_close
run #11: crashed: possible deadlock in virtual_nci_close
run #12: crashed: possible deadlock in nci_start_poll
run #13: crashed: possible deadlock in nci_start_poll
run #14: crashed: possible deadlock in virtual_nci_close
run #15: crashed: possible deadlock in virtual_nci_close
run #16: crashed: possible deadlock in virtual_nci_close
run #17: crashed: possible deadlock in virtual_nci_close
run #18: crashed: possible deadlock in virtual_nci_close
run #19: crashed: possible deadlock in virtual_nci_close
representative crash: possible deadlock in virtual_nci_close, types: [LOCKDEP]
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8d86f59cf06642ec00df08eaede9f4d1c8ecc1e4c7adcb1cb734c1f2e972dfdf
run #0: crashed: possible deadlock in virtual_nci_close
run #1: crashed: possible deadlock in virtual_nci_close
run #2: crashed: possible deadlock in nci_start_poll
run #3: crashed: possible deadlock in nci_start_poll
run #4: crashed: possible deadlock in virtual_nci_close
run #5: crashed: possible deadlock in virtual_nci_close
run #6: crashed: possible deadlock in virtual_nci_close
run #7: crashed: possible deadlock in virtual_nci_close
run #8: crashed: possible deadlock in nci_start_poll
run #9: crashed: possible deadlock in nci_start_poll
run #10: crashed: possible deadlock in nci_start_poll
run #11: crashed: possible deadlock in nci_start_poll
run #12: crashed: possible deadlock in virtual_nci_close
run #13: crashed: possible deadlock in virtual_nci_close
run #14: crashed: possible deadlock in nci_start_poll
run #15: crashed: possible deadlock in nci_start_poll
run #16: crashed: possible deadlock in virtual_nci_close
run #17: crashed: possible deadlock in virtual_nci_close
run #18: crashed: possible deadlock in virtual_nci_close
run #19: crashed: possible deadlock in virtual_nci_close
representative crash: possible deadlock in virtual_nci_close, types: [LOCKDEP]
testing release v5.12
testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 42363968113118cfbb34e5cbac5d7758aa555ea2811e31aee83d3a5aaf396762
run #0: crashed: possible deadlock in nci_start_poll
run #1: crashed: possible deadlock in nci_start_poll
run #2: crashed: possible deadlock in nci_start_poll
run #3: crashed: possible deadlock in nci_start_poll
run #4: crashed: possible deadlock in nci_start_poll
run #5: crashed: possible deadlock in nci_start_poll
run #6: crashed: possible deadlock in virtual_nci_close
run #7: crashed: possible deadlock in virtual_nci_close
run #8: crashed: possible deadlock in nci_start_poll
run #9: crashed: possible deadlock in nci_start_poll
run #10: crashed: possible deadlock in nci_start_poll
run #11: crashed: possible deadlock in nci_start_poll
run #12: crashed: possible deadlock in virtual_nci_close
run #13: crashed: possible deadlock in virtual_nci_close
run #14: crashed: possible deadlock in virtual_nci_close
run #15: crashed: possible deadlock in virtual_nci_close
run #16: crashed: possible deadlock in virtual_nci_close
run #17: crashed: possible deadlock in virtual_nci_close
run #18: crashed: possible deadlock in virtual_nci_close
run #19: crashed: possible deadlock in virtual_nci_close
representative crash: possible deadlock in nci_start_poll, types: [LOCKDEP]
testing release v5.11
testing commit f40ddce88593482919761f74910f42f4b84c004b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0f0f03f0fd6e725dcb7ebc47eac45ae69389f38352b77e246704f80938dcef43
all runs: OK
# git bisect start 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 f40ddce88593482919761f74910f42f4b84c004b
Bisecting: 6798 revisions left to test after this (roughly 13 steps)
[d99676af540c2dc829999928fb81c58c80a1dce4] Merge tag 'drm-next-2021-02-19' of git://anongit.freedesktop.org/drm/drm

testing commit d99676af540c2dc829999928fb81c58c80a1dce4 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 7c83943679a7a152b75364ec338ba5d84add800078fcf2121dbef5affb57ee73
run #0: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #1: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #2: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #3: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #4: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #5: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #6: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #7: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #8: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #9: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #10: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #11: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
run #12: boot failed: WARNING in kvm_wait
run #13: boot failed: WARNING in kvm_wait
run #14: boot failed: WARNING in kvm_wait
run #15: boot failed: WARNING in kvm_wait
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
# git bisect bad d99676af540c2dc829999928fb81c58c80a1dce4
Bisecting: 3717 revisions left to test after this (roughly 12 steps)
[f9d58de23152f2c16f326d7e014cfa2933b00304] Merge tag 'affs-for-5.12-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

testing commit f9d58de23152f2c16f326d7e014cfa2933b00304 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 97a6fbb7bc5b53e1bdb2b506edf73c12f584ead68cc7ef593a0e42dd9dd85ec2
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
# git bisect bad f9d58de23152f2c16f326d7e014cfa2933b00304
Bisecting: 1819 revisions left to test after this (roughly 11 steps)
[b8af417e4d93caeefb89bbfbd56ec95dedd8dab5] Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

testing commit b8af417e4d93caeefb89bbfbd56ec95dedd8dab5 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9bff35d4ad69d9ad5fa21271aef19f427a95542e766e472e731f60e5c01a71b3
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
# git bisect bad b8af417e4d93caeefb89bbfbd56ec95dedd8dab5
Bisecting: 911 revisions left to test after this (roughly 10 steps)
[4d469ec8ec05e1fa4792415de1a95b28871ff2fa] Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue

testing commit 4d469ec8ec05e1fa4792415de1a95b28871ff2fa gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9c3f4a95d4d59d41bb87bcd5390f26ac917049693b459d51624b5ab7099f0177
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
# git bisect bad 4d469ec8ec05e1fa4792415de1a95b28871ff2fa
Bisecting: 458 revisions left to test after this (roughly 9 steps)
[05fcc25662a3bbfc5daa9247132b2d8535053883] cxgb4: remove bogus CHELSIO_VPD_UNIQUE_ID constant

testing commit 05fcc25662a3bbfc5daa9247132b2d8535053883 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c7b537d3f9e9174f71217d5b9233176f8966f8b949202d836ebbd72b4df648ef
all runs: OK
# git bisect good 05fcc25662a3bbfc5daa9247132b2d8535053883
Bisecting: 229 revisions left to test after this (roughly 8 steps)
[a6fbbaa64c3b0e744e7e421a13658a7441f5a9f3] nexthop: Strongly-type context of rtm_dump_nexthop()

testing commit a6fbbaa64c3b0e744e7e421a13658a7441f5a9f3 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8eb7a54739bdee5a08fef8c8be93d02d15c37119f11232dfd2b833835f445209
all runs: OK
# git bisect good a6fbbaa64c3b0e744e7e421a13658a7441f5a9f3
Bisecting: 114 revisions left to test after this (roughly 7 steps)
[6208fd822a2c656461d2f2dc29a309d379ab5850] selftests: mptcp: add testcases for newly added addresses

testing commit 6208fd822a2c656461d2f2dc29a309d379ab5850 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 5f42e7c69a963c0fe495908c1406edf7cd69bbe0e3d336aa4c1a85ffd0ecfd6a
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
# git bisect bad 6208fd822a2c656461d2f2dc29a309d379ab5850
Bisecting: 57 revisions left to test after this (roughly 6 steps)
[4e146def5855bea30ab14d2a27c13be90b7cd2d1] Merge branch 'net-bridge-drop-hosts-limit-sysfs-and-add-a-comment'

testing commit 4e146def5855bea30ab14d2a27c13be90b7cd2d1 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 4a144f1b2f30153270ec85afc36a3271fca4b1fe45b8ee361df8f1b9a3087912
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
# git bisect bad 4e146def5855bea30ab14d2a27c13be90b7cd2d1
Bisecting: 24 revisions left to test after this (roughly 5 steps)
[fd3d37551cec11fc69f8909d2a591754b2752db9] Merge tag 'linux-can-next-for-5.12-20210129' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next

testing commit fd3d37551cec11fc69f8909d2a591754b2752db9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 3d8a73df8f44d5c7c7a07bcbdc3e141e76b719ee5c7f4e587201715d241c42b8
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
# git bisect bad fd3d37551cec11fc69f8909d2a591754b2752db9
Bisecting: 15 revisions left to test after this (roughly 4 steps)
[a5b88632fc967906a86e16513bae9cc49070934c] net: atm: pppoatm: use tasklet_init to initialize wakeup tasklet

testing commit a5b88632fc967906a86e16513bae9cc49070934c gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8f45e7376d00bdd51096c1389cf35a83c9bc70779a88683e06a8b2e48ca1401f
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
# git bisect bad a5b88632fc967906a86e16513bae9cc49070934c
Bisecting: 7 revisions left to test after this (roughly 3 steps)
[8c22475148a8d3222be712bd02a74d7279d50daf] net: packet: make pkt_sk() inline

testing commit 8c22475148a8d3222be712bd02a74d7279d50daf gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f1372cfd832e27b1d3bb7b9a98eaee23d6ff9b9ca329d877c8aea5df44608b07
all runs: OK
# git bisect good 8c22475148a8d3222be712bd02a74d7279d50daf
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[8c85d18ce647ac2517a1a1bb01b02648e23700e6] net/sched: cls_flower: Add match on the ct_state reply flag

testing commit 8c85d18ce647ac2517a1a1bb01b02648e23700e6 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 26a587278c43477ffc15a373d799282ed0889a4fded2cfb9ea7c64a39bf5a97e
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
# git bisect bad 8c85d18ce647ac2517a1a1bb01b02648e23700e6
Bisecting: 1 revision left to test after this (roughly 1 step)
[f595cf1242f3d64d78f9c96fa56bb5e22146d0ca] selftests: Add nci suite

testing commit f595cf1242f3d64d78f9c96fa56bb5e22146d0ca gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8652d8faa8fcbaa0f562460d48818e4874166ea48fc0458b7162ecdd5cc59026
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
# git bisect bad f595cf1242f3d64d78f9c96fa56bb5e22146d0ca
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[e624e6c3e777fb3dfed036b9da4d433aee3608a5] nfc: Add a virtual nci device driver

testing commit e624e6c3e777fb3dfed036b9da4d433aee3608a5 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8652d8faa8fcbaa0f562460d48818e4874166ea48fc0458b7162ecdd5cc59026
all runs: crashed: UBSAN: shift-out-of-bounds in nci_activate_target
representative crash: UBSAN: shift-out-of-bounds in nci_activate_target, types: [UBSAN]
# git bisect bad e624e6c3e777fb3dfed036b9da4d433aee3608a5
e624e6c3e777fb3dfed036b9da4d433aee3608a5 is the first bad commit
commit e624e6c3e777fb3dfed036b9da4d433aee3608a5
Author: Bongsu Jeon <bongsu.jeon@samsung.com>
Date:   Wed Jan 27 22:08:28 2021 +0900

    nfc: Add a virtual nci device driver
    
    NCI virtual device simulates a NCI device to the user. It can be used to
    validate the NCI module and applications. This driver supports
    communication between the virtual NCI device and NCI module.
    
    Signed-off-by: Bongsu Jeon <bongsu.jeon@samsung.com>
    Signed-off-by: Jakub Kicinski <kuba@kernel.org>

 drivers/nfc/Kconfig          |  11 +++
 drivers/nfc/Makefile         |   1 +
 drivers/nfc/virtual_ncidev.c | 215 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 227 insertions(+)
 create mode 100644 drivers/nfc/virtual_ncidev.c

culprit signature: 8652d8faa8fcbaa0f562460d48818e4874166ea48fc0458b7162ecdd5cc59026
parent  signature: f1372cfd832e27b1d3bb7b9a98eaee23d6ff9b9ca329d877c8aea5df44608b07
revisions tested: 29, total time: 8h49m40.781465134s (build: 5h28m55.092018777s, test: 3h11m12.310341091s)
first bad commit: e624e6c3e777fb3dfed036b9da4d433aee3608a5 nfc: Add a virtual nci device driver
recipients (to): ["bongsu.jeon@samsung.com" "kuba@kernel.org"]
recipients (cc): []
crash: UBSAN: shift-out-of-bounds in nci_activate_target
================================================================================
UBSAN: shift-out-of-bounds in net/nfc/nci/core.c:895:45
shift exponent 268435489 is too large for 32-bit type 'int'
CPU: 0 PID: 6140 Comm: syz-executor.0 Not tainted 5.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x9a/0xcc lib/dump_stack.c:120
 ubsan_epilogue+0x5/0x40 lib/ubsan.c:148
 __ubsan_handle_shift_out_of_bounds.cold+0x61/0xe9 lib/ubsan.c:395
 nci_activate_target.cold+0x71/0x76 net/nfc/nci/core.c:895
 nfc_activate_target+0x196/0x450 net/nfc/core.c:420
 nfc_genl_activate_target+0x1d6/0x270 net/nfc/netlink.c:898
 genl_family_rcv_msg_doit+0x1e4/0x2f0 net/netlink/genetlink.c:739
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x27d/0x490 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2494
 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x70e/0xbe0 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xab/0xe0 net/socket.c:672
 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2345
 ___sys_sendmsg+0xd3/0x150 net/socket.c:2399
 __sys_sendmsg+0xb2/0x140 net/socket.c:2432
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f71d3da4389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f71d3116168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f71d3ec3f80 RCX: 00007f71d3da4389
RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005
RBP: 00007f71d3def493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd1b5d65ff R14: 00007f71d3116300 R15: 0000000000022000
================================================================================