bisecting cause commit starting from 449dc8c97089a6e09fb2dac4d92b1b7ac0eb7c1e
building syzkaller on f721e4a097714a9054b9fe1aadf427afbbd2c157
testing commit 449dc8c97089a6e09fb2dac4d92b1b7ac0eb7c1e with gcc (GCC) 8.1.0
kernel signature: 8d2fdd333f0742950b14ad40f40e14f73dd020df189e31e6a9822042d5062a2d
all runs: crashed: possible deadlock in io_queue_linked_timeout
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0
kernel signature: 8017f7533fa8c8e8eedb88c05cb0f4125b91a2ea32f5ef7f5c300e50aa12074b
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: boot failed: can't ssh into the instance
# git bisect start 449dc8c97089a6e09fb2dac4d92b1b7ac0eb7c1e bcf876870b95592b52519ed4aafcf9d95999bc9c
Bisecting: 5779 revisions left to test after this (roughly 13 steps)
[8186749621ed6b8fc42644c399e8c755a2b6f630] Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm
testing commit 8186749621ed6b8fc42644c399e8c755a2b6f630 with gcc (GCC) 8.1.0
kernel signature: f7bc19c74f0156b64cbe8565df59da371c658e8ace02629ebfcb2d32d2e4f85b
all runs: crashed: possible deadlock in io_queue_linked_timeout
# git bisect bad 8186749621ed6b8fc42644c399e8c755a2b6f630
Bisecting: 2954 revisions left to test after this (roughly 12 steps)
[2324d50d051ec0f14a548e78554fb02513d6dcef] Merge tag 'docs-5.9' of git://git.lwn.net/linux
testing commit 2324d50d051ec0f14a548e78554fb02513d6dcef with gcc (GCC) 8.1.0
kernel signature: e015c9f2715e349d10eefc791f47073ea94b23ba34d5666d41cb1c7f786daf15
all runs: crashed: possible deadlock in io_queue_linked_timeout
# git bisect bad 2324d50d051ec0f14a548e78554fb02513d6dcef
Bisecting: 1745 revisions left to test after this (roughly 11 steps)
[92c59e126b21fd212195358a0d296e787e444087] Merge tag 'arm-defconfig-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
testing commit 92c59e126b21fd212195358a0d296e787e444087 with gcc (GCC) 8.1.0
kernel signature: dd9ef3a39ed466ba5d3a585aced0a995b77f33b40254450707dd59b1dd024bf1
all runs: crashed: possible deadlock in io_queue_linked_timeout
# git bisect bad 92c59e126b21fd212195358a0d296e787e444087
Bisecting: 638 revisions left to test after this (roughly 9 steps)
[cdc8fcb49905c0b67e355e027cb462ee168ffaa3] Merge tag 'for-5.9/io_uring-20200802' of git://git.kernel.dk/linux-block
testing commit cdc8fcb49905c0b67e355e027cb462ee168ffaa3 with gcc (GCC) 8.1.0
kernel signature: f8b2f25f0d96aea327c452d162b31124d5eb3c15636c8e514dfb5ab52385c89b
all runs: crashed: possible deadlock in io_queue_linked_timeout
# git bisect bad cdc8fcb49905c0b67e355e027cb462ee168ffaa3
Bisecting: 272 revisions left to test after this (roughly 8 steps)
[ab5c60b79ab6cc50b39bbb21b2f9fb55af900b84] Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
testing commit ab5c60b79ab6cc50b39bbb21b2f9fb55af900b84 with gcc (GCC) 8.1.0
kernel signature: 2a316943f1f1460ec742aef67f0b2c4edbd90ee29ae89be84cd8375ab635c1e0
all runs: OK
# git bisect good ab5c60b79ab6cc50b39bbb21b2f9fb55af900b84
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[d958e343bdc3de2643ce25225bed082dc222858d] block: blk-timeout: delete duplicated word
testing commit d958e343bdc3de2643ce25225bed082dc222858d with gcc (GCC) 8.1.0
kernel signature: 6a5927ebd2df86cf01353cc1d49f8ca78d02eda1d7085a06ee2cada021683db2
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip d958e343bdc3de2643ce25225bed082dc222858d
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[8c5462875224a6d81683e733087f501f58fccd4c] block: merge blkg_lookup_create and __blkg_lookup_create
testing commit 8c5462875224a6d81683e733087f501f58fccd4c with gcc (GCC) 8.1.0
kernel signature: 395ef5138e139625b391d1fe2ab4d098d4a36bbeb4ed40ce00ba859cf413ea0e
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 8c5462875224a6d81683e733087f501f58fccd4c
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[5af1d13e8f0d8839db04a71ec786f369b0e67234] io_uring: batch put_task_struct()
testing commit 5af1d13e8f0d8839db04a71ec786f369b0e67234 with gcc (GCC) 8.1.0
kernel signature: 7d5305970cbc7c75fafc6ee58091f28a39965285a2f63d10ea833233549d0d46
run #0: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
run #1: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
run #2: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
run #3: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
run #4: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
run #5: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
run #6: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
run #7: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
run #8: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
run #9: boot failed: can't ssh into the instance
# git bisect skip 5af1d13e8f0d8839db04a71ec786f369b0e67234
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[9b0d911acce00b67f7e7336f838b732de7d917d6] io_uring: kill REQ_F_LINK_NEXT
testing commit 9b0d911acce00b67f7e7336f838b732de7d917d6 with gcc (GCC) 8.1.0
kernel signature: 83d6635ddcc476f857c205c16d05c8036a65fd382377ea7b4dde321c8e392a48
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 9b0d911acce00b67f7e7336f838b732de7d917d6
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[943c4d9074aa05b86af89eec25330c1995e807c9] block: make blk_timeout_init() static
testing commit 943c4d9074aa05b86af89eec25330c1995e807c9 with gcc (GCC) 8.1.0
kernel signature: a197a5b421ee299813b20029dd74ccda58863b4162350d92ac2ff6618b5bd2f0
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 943c4d9074aa05b86af89eec25330c1995e807c9
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[7c86ffeeed303187f266ed17bd87a9b375955709] io_uring: deduplicate freeing linked timeouts
testing commit 7c86ffeeed303187f266ed17bd87a9b375955709 with gcc (GCC) 8.1.0
kernel signature: 8186f531353657f35cff3836a6ed49c02b92dd386522a5c0ab802f18865c9b0b
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 7c86ffeeed303187f266ed17bd87a9b375955709
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[b089ed390b5c9bc248a32168709cfa01099caf9d] io-wq: update hash bits
testing commit b089ed390b5c9bc248a32168709cfa01099caf9d with gcc (GCC) 8.1.0
kernel signature: 5461633c63f33f644616ecde3f7dd1de012ac2fd01910584b8fd8cb6e45d65e8
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip b089ed390b5c9bc248a32168709cfa01099caf9d
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[6e6fcbc27e7788af54139c53537395d95560f2ef] blk-mq: support batching dispatch in case of io
testing commit 6e6fcbc27e7788af54139c53537395d95560f2ef with gcc (GCC) 8.1.0
kernel signature: 3d3f5a2b529b04f3091e2bef3fb12c5124d9b832601674dc12f06364d5d81760
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 6e6fcbc27e7788af54139c53537395d95560f2ef
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[ef45fe470e1e5410db4af87abc5d5055427945ac] blk-cgroup: show global disk stats in root cgroup io.stat
testing commit ef45fe470e1e5410db4af87abc5d5055427945ac with gcc (GCC) 8.1.0
kernel signature: 92a90f251225ec002811c903b6b8ef5b2196064dbf7e805c0ee52f305fffac4e
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip ef45fe470e1e5410db4af87abc5d5055427945ac
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[ab0b6451db2a8ed630b89ef3826b8ea994149444] io_uring: clean up io_kill_linked_timeout() locking
testing commit ab0b6451db2a8ed630b89ef3826b8ea994149444 with gcc (GCC) 8.1.0
kernel signature: 0236842db3deddcfe025ce7073a0fa28951abf37c3a1ab8d351172f0f3a6c919
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip ab0b6451db2a8ed630b89ef3826b8ea994149444
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[0516c2f6ae6570a0c4a081189d71a48cfadc34a7] block: Remove callback typedefs for blk_mq_ops
testing commit 0516c2f6ae6570a0c4a081189d71a48cfadc34a7 with gcc (GCC) 8.1.0
kernel signature: 1b7a13c02c314d373d67842a544ca7448c31a6333165e361e5baf0535176fb6a
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 0516c2f6ae6570a0c4a081189d71a48cfadc34a7
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[8eb06d7e8dd853d70668617dda57de4f6cebe651] io_uring: fix missing ->mm on exit
testing commit 8eb06d7e8dd853d70668617dda57de4f6cebe651 with gcc (GCC) 8.1.0
kernel signature: 1dc364d1eb90cf546f3181473e9cd366c30aa1b5bdf6a84f3366a645fae09097
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 8eb06d7e8dd853d70668617dda57de4f6cebe651
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[01cec8c18f5ad9c27eee9f21439072832181039e] io_uring: get rid of atomic FAA for cq_timeouts
testing commit 01cec8c18f5ad9c27eee9f21439072832181039e with gcc (GCC) 8.1.0
kernel signature: 7a5d2df3a9ea716ea06ea371abffa5e0fea9bf4e142940d099c00a928c77e8a3
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 01cec8c18f5ad9c27eee9f21439072832181039e
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[6df1db6b542436c6d429caa66e1045862fa36155] io_uring: fix mis-refcounting linked timeouts
testing commit 6df1db6b542436c6d429caa66e1045862fa36155 with gcc (GCC) 8.1.0
kernel signature: a4802ea6b781818672102ed57c4e34194fe20c4ffe67ee0c06a9faee68ad523b
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 6df1db6b542436c6d429caa66e1045862fa36155
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[1752f0adea98ef859978c090e0726844348758f9] fs: optimise kiocb_set_rw_flags()
testing commit 1752f0adea98ef859978c090e0726844348758f9 with gcc (GCC) 8.1.0
kernel signature: 8c0943ca66b53f44c88548aeefb17f8f40dc3e8f6dc94f7b511cbfaa403f7c72
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 1752f0adea98ef859978c090e0726844348758f9
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[f695ca3886ce72b027af7aa6040cd420cae2088c] block: remove the request_queue argument from blk_queue_split
testing commit f695ca3886ce72b027af7aa6040cd420cae2088c with gcc (GCC) 8.1.0
kernel signature: 82088813152a5d32f6e8c0f7d2354dc58239bc5250e5b19f1ede1287195419eb
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip f695ca3886ce72b027af7aa6040cd420cae2088c
Bisecting: 137 revisions left to test after this (roughly 7 steps)
[382625d0d4325fb14a29444eb8dce8dcc2eb9b51] Merge tag 'for-5.9/block-20200802' of git://git.kernel.dk/linux-block
testing commit 382625d0d4325fb14a29444eb8dce8dcc2eb9b51 with gcc (GCC) 8.1.0
kernel signature: 19e8b6e46b23e74be3e5d07f9e548f8706dee78f574d4834727624078bb7cb05
all runs: OK
# git bisect good 382625d0d4325fb14a29444eb8dce8dcc2eb9b51
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[debb85f496c9cc70663eac31d3ad9153839c844c] io_uring: factor out grab_env() from defer_prep()
testing commit debb85f496c9cc70663eac31d3ad9153839c844c with gcc (GCC) 8.1.0
kernel signature: 202d7a11523ada46782c5b54d19d7375c7cc8c64ba066a4b1f803df89f4aa2cb
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip debb85f496c9cc70663eac31d3ad9153839c844c
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[013538bd65fd3cdbf3ca8b0c99b962c70473c803] io_uring: add 'io_comp_state' to struct io_submit_state
testing commit 013538bd65fd3cdbf3ca8b0c99b962c70473c803 with gcc (GCC) 8.1.0
kernel signature: 51a0a9f92bafad9299451afc32b961eac8dc59adc9fed6b6d50deffdf59b2174
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 013538bd65fd3cdbf3ca8b0c99b962c70473c803
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[8b3656af2a37dc538d21e144a5a94bacae05e9f1] io_uring: fix lost cqe->flags
testing commit 8b3656af2a37dc538d21e144a5a94bacae05e9f1 with gcc (GCC) 8.1.0
kernel signature: b34c063f6044397dd95bbbeba575681e18f46be0a271dc403317109a667ff2f3
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 8b3656af2a37dc538d21e144a5a94bacae05e9f1
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[1c2da9e8839d6437b43f2c805411d1a0cbd70165] io_uring: remove empty cleanup of OP_OPEN* reqs
testing commit 1c2da9e8839d6437b43f2c805411d1a0cbd70165 with gcc (GCC) 8.1.0
kernel signature: 0e0010b578779d18f780b55f3453ba8cf82b39895805370e0c5e7bb8f29c16fb
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 1c2da9e8839d6437b43f2c805411d1a0cbd70165
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[cf2f54255d0342cfbd273cbb964ad6bc7674f587] io_uring: don't fail iopoll requeue without ->mm
testing commit cf2f54255d0342cfbd273cbb964ad6bc7674f587 with gcc (GCC) 8.1.0
kernel signature: 0e360f5fa12d431ef542a6359215d9e0cfc6b1e3907e71590368e060c2601395
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip cf2f54255d0342cfbd273cbb964ad6bc7674f587
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[0f7e466b393abab86be96ffcf00af383afddc0d1] io_uring: place cflags into completion data
testing commit 0f7e466b393abab86be96ffcf00af383afddc0d1 with gcc (GCC) 8.1.0
kernel signature: e0161f9f646cd56677b9ab446dea60dc46c87921850c655aad49a5e4a944c8db
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 0f7e466b393abab86be96ffcf00af383afddc0d1
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[c2c4c83c58cbca23527fee93b49738a5a84272a1] io_uring: use new io_req_task_work_add() helper throughout
testing commit c2c4c83c58cbca23527fee93b49738a5a84272a1 with gcc (GCC) 8.1.0
kernel signature: 777ac353d0c14e66b822ab8cca86321efd8926886ee344182b358717d6baff83
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip c2c4c83c58cbca23527fee93b49738a5a84272a1
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[27dc8338e5fb0e0ed5b272e792f4ffad7f3bc03e] io_uring: use non-intrusive list for defer
testing commit 27dc8338e5fb0e0ed5b272e792f4ffad7f3bc03e with gcc (GCC) 8.1.0
kernel signature: 29a399c2131567ffb84e448b22128997de12528861add83a47cce2676439e5cb
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 27dc8338e5fb0e0ed5b272e792f4ffad7f3bc03e
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[4c6e277c4cc4a6b3b2b9c66a7b014787ae757cc1] io_uring: abstract out task work running
testing commit 4c6e277c4cc4a6b3b2b9c66a7b014787ae757cc1 with gcc (GCC) 8.1.0
kernel signature: 45972a3344c57d10c21369b7632bc38733b18818b2358af8416ec329e50ca66d
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 4c6e277c4cc4a6b3b2b9c66a7b014787ae757cc1
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[135fcde8496b03d31648171dbc038990112e41d5] io_uring: add req->timeout.list
testing commit 135fcde8496b03d31648171dbc038990112e41d5 with gcc (GCC) 8.1.0
kernel signature: b0e7c6e87ffbb3a2f7e3c31b42e29ca2a725fd97e966c3e87895c7bbb2f90f61
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 135fcde8496b03d31648171dbc038990112e41d5
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[58c6a581decbcdd7f49eb7cab27ee14cef247fd5] Merge branch 'io_uring-5.8' into for-5.9/io_uring
testing commit 58c6a581decbcdd7f49eb7cab27ee14cef247fd5 with gcc (GCC) 8.1.0
kernel signature: cb5b90485df7228121ed952afd319fbf912d76272b29eabff42ff6a5dd1c6f3b
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 58c6a581decbcdd7f49eb7cab27ee14cef247fd5
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[d21ffe7eca82d47b489760899912f81e30456e2e] io_uring: use inflight_entry list for iopoll'ing
testing commit d21ffe7eca82d47b489760899912f81e30456e2e with gcc (GCC) 8.1.0
kernel signature: 1c231c5e98a27dfbaac8927dd2f670c10e368bb2ec428db3c400c70536ea2126
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip d21ffe7eca82d47b489760899912f81e30456e2e
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[3fa5e0f331280237af918ab2e7a160f5a68d3e7d] io_uring: optimise io_req_find_next() fast check
testing commit 3fa5e0f331280237af918ab2e7a160f5a68d3e7d with gcc (GCC) 8.1.0
kernel signature: 2964fdc298edd840a5fe1f7b243be8bdfae88fb94ef8a5f91f5bd816c2cb470f
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 3fa5e0f331280237af918ab2e7a160f5a68d3e7d
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[1bcb8c5d65a845e0ecb9e82237c399b29b8d15ea] io_uring: fix feeding io-wq with uninit reqs
testing commit 1bcb8c5d65a845e0ecb9e82237c399b29b8d15ea with gcc (GCC) 8.1.0
kernel signature: 2e04765df2d2c1e0678f1f65034058c5dc82d906f21b818395572afa5ccc8133
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 1bcb8c5d65a845e0ecb9e82237c399b29b8d15ea
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[0be0b0e33b0bfd08264b108512e44b3907fe987b] io_uring: simplify io_async_task_func()
testing commit 0be0b0e33b0bfd08264b108512e44b3907fe987b with gcc (GCC) 8.1.0
kernel signature: 4d9a6f858b847f69b9bf95894b4061c9676de271707a91731e89f97103716c62
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 0be0b0e33b0bfd08264b108512e44b3907fe987b
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[710c2bfb66474a186b0196e3342d43db0e6c04e1] io_uring: fix missing io_grab_files()
testing commit 710c2bfb66474a186b0196e3342d43db0e6c04e1 with gcc (GCC) 8.1.0
kernel signature: a647588f01e8edd6693c403102befcb915186d87f6593f7ca61e7a1d4926c137
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 710c2bfb66474a186b0196e3342d43db0e6c04e1
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[a31eb4a2f1650fa578082ad9e9845487ecd90abe] io_uring: use EPOLLEXCLUSIVE flag to aoid thundering herd type behavior
testing commit a31eb4a2f1650fa578082ad9e9845487ecd90abe with gcc (GCC) 8.1.0
kernel signature: b0705b12dde399853e75f30e892c54d5d31a129bfb889b994a77514f1d9f6d0d
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip a31eb4a2f1650fa578082ad9e9845487ecd90abe
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[e6543a816edca00b6b4c48625d142059d7211059] io_uring: remove inflight batching in free_many()
testing commit e6543a816edca00b6b4c48625d142059d7211059 with gcc (GCC) 8.1.0
kernel signature: d72ba2b39adf37d2fce42afa5496d2dd899977f4240d0c033cfea3af79230787
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip e6543a816edca00b6b4c48625d142059d7211059
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[309758254ea62e07471abcaeca5b5c2173f4ebc2] io_uring: report pinned memory usage
testing commit 309758254ea62e07471abcaeca5b5c2173f4ebc2 with gcc (GCC) 8.1.0
kernel signature: db525ff68ce6c911f07bb0a1ea92902a12b2ea87fb4b30a8e04ae036fb20676a
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 309758254ea62e07471abcaeca5b5c2173f4ebc2
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[c3524383333e4ff2f720ab0c02b3a329f72de78b] io_uring: batch-free linked requests as well
testing commit c3524383333e4ff2f720ab0c02b3a329f72de78b with gcc (GCC) 8.1.0
kernel signature: 311254e2bdea4d6e790e329b8970e4c6a33d8e2e4b43a62b8878ddb98b689e94
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip c3524383333e4ff2f720ab0c02b3a329f72de78b
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[ac8691c415e0ce0b8734cb6d9df2df18608eebed] io_uring: always plug for any number of IOs
testing commit ac8691c415e0ce0b8734cb6d9df2df18608eebed with gcc (GCC) 8.1.0
kernel signature: 5c647e777cba6f8586ed575590c38090076a939662f97be41ea742c9e43d4814
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip ac8691c415e0ce0b8734cb6d9df2df18608eebed
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[1400e69705baf98d1c9cb73b592a3a68aab1d852] io_uring: use more specific type in rcv/snd msg cp
testing commit 1400e69705baf98d1c9cb73b592a3a68aab1d852 with gcc (GCC) 8.1.0
kernel signature: 33de90b43a6c295e3b1b3ede828fea5133041b12085df4cfdb8dc11c8489e616
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 1400e69705baf98d1c9cb73b592a3a68aab1d852
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[f063c5477eb392c315aa25ad538b4920b367ea05] io_uring: fix missing io_queue_linked_timeout()
testing commit f063c5477eb392c315aa25ad538b4920b367ea05 with gcc (GCC) 8.1.0
kernel signature: 3e3ecefd526dd158d2e94a519a54fe3a445ef2bb59c98cf838cf23abe545165f
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip f063c5477eb392c315aa25ad538b4920b367ea05
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[6795c5aba247653f99d1f336ff496dd74659b322] io_uring: clean up req->result setting by rw
testing commit 6795c5aba247653f99d1f336ff496dd74659b322 with gcc (GCC) 8.1.0
kernel signature: f09d0c52474add058bb4a0c35e336bdfd3e1f8a904632fd906bd38332ec5d1cd
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 6795c5aba247653f99d1f336ff496dd74659b322
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[f56040b81999871973d21f334b4657957422c90e] io_uring: deduplicate io_grab_files() calls
testing commit f56040b81999871973d21f334b4657957422c90e with gcc (GCC) 8.1.0
kernel signature: cf390590b91d8c1ffb8de1b9f9b10b54ffc35206df0ec98f51bafa6ced40a22c
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip f56040b81999871973d21f334b4657957422c90e
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[f3a6fa2267480d7f19fbde8316372be46055e548] io_uring: fix iopoll -EAGAIN handling
testing commit f3a6fa2267480d7f19fbde8316372be46055e548 with gcc (GCC) 8.1.0
kernel signature: 6cdc53ceaebfd01a088fe5d913d81cac4b2e6506668af8556d4356a80f7dd755
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip f3a6fa2267480d7f19fbde8316372be46055e548
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[23b3628e45924419399da48c2b3a522b05557c91] io_uring: clear IORING_SQ_NEED_WAKEUP after executing task works
testing commit 23b3628e45924419399da48c2b3a522b05557c91 with gcc (GCC) 8.1.0
kernel signature: 67bb9579ac445fc66ce73f9f5685f8c0b11a8cb140252047c95ca2225925e7b2
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 23b3628e45924419399da48c2b3a522b05557c91
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[2bc9930e78fe0cb3e7b7e3169de0a40baee38d29] io_uring: get rid of __req_need_defer()
testing commit 2bc9930e78fe0cb3e7b7e3169de0a40baee38d29 with gcc (GCC) 8.1.0
kernel signature: e103428390ea0e51c116dc3714a631de51620d456a57b382d685f5c2d465118c
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 2bc9930e78fe0cb3e7b7e3169de0a40baee38d29
Bisecting: 65 revisions left to test after this (roughly 6 steps)
[cbcf72148da4af55ea81cfb351ea7c026ff1014f] io_uring: return locked and pinned page accounting
revisions tested: 52, total time: 8h4m9.879281251s (build: 4h58m29.568352329s, test: 3h2m37.919450249s)
error: bisection is taking too long (>8h0m0s), aborting