bisecting cause commit starting from b0d4beaa5a4b7d31070c41c2e50740304a3f1138
building syzkaller on 98b4ef2d37d8a54ac96f1b117764446945e46505
testing commit b0d4beaa5a4b7d31070c41c2e50740304a3f1138 with gcc (GCC) 8.1.0
kernel signature: 2885174d7912c57613a33a2264cbd452f9e2c31a
run #0: crashed: KASAN: use-after-free Write in release_tty
run #1: crashed: KASAN: use-after-free Write in release_tty
run #2: crashed: KASAN: use-after-free Write in release_tty
run #3: crashed: KASAN: use-after-free Write in release_tty
run #4: crashed: KASAN: use-after-free Write in release_tty
run #5: crashed: KASAN: use-after-free Write in release_tty
run #6: crashed: KASAN: use-after-free Write in release_tty
run #7: crashed: KASAN: use-after-free Read in get_work_pool
run #8: crashed: KASAN: use-after-free Write in release_tty
run #9: crashed: KASAN: use-after-free Write in release_tty
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0
kernel signature: cd1a30b702effd20bf5a813ca5b492ca8981ba5e
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v5.3
testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0
kernel signature: a76b5570a60c3911360cf5fcca9f157424f80b53
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v5.2
testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0
kernel signature: 5f5912ca0488d2755734852bce2e2b604a224f69
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v5.1
testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0
kernel signature: b0d8beb28a6bf4e55696eded0a242ab337b44295
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v5.0
testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0
kernel signature: 0cd47f7e93497ab61cc04d47a7b9d21825fe67cd
run #0: crashed: KASAN: use-after-free Write in release_tty
run #1: crashed: KASAN: use-after-free Write in release_tty
run #2: crashed: KASAN: use-after-free Write in release_tty
run #3: crashed: KASAN: use-after-free Write in release_tty
run #4: crashed: KASAN: use-after-free Write in release_tty
run #5: crashed: KASAN: use-after-free Write in release_tty
run #6: crashed: KASAN: use-after-free Read in get_work_pool_id
run #7: crashed: KASAN: use-after-free Write in release_tty
run #8: crashed: KASAN: use-after-free Write in release_tty
run #9: crashed: KASAN: use-after-free Write in release_tty
testing release v4.20
testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0
kernel signature: 87cb83a79c79454ba2a352f6ab9d73ad1f32c03c
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.19
testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0
kernel signature: 105c2f036c9a21fb3207e5953c6e2ad815b8bfe5
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.18
testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0
kernel signature: 866697abc9ebe37d9a772996e337e88c89762117
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.17
testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0
kernel signature: 1b9065f005566811995f49679511a3c07b99a3e7
run #0: crashed: KASAN: use-after-free Write in release_tty
run #1: crashed: KASAN: use-after-free Write in release_tty
run #2: crashed: KASAN: use-after-free Write in release_tty
run #3: crashed: KASAN: use-after-free Write in release_tty
run #4: crashed: KASAN: use-after-free Write in release_tty
run #5: crashed: KASAN: use-after-free Write in release_tty
run #6: crashed: KASAN: use-after-free Write in release_tty
run #7: crashed: KASAN: use-after-free Write in release_tty
run #8: crashed: KASAN: use-after-free Write in release_tty
run #9: crashed: KASAN: use-after-free Read in tty_buffer_cancel_work
testing release v4.16
testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0
kernel signature: e52cdff165cea3aee54af5d44f6563623d616753
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.15
testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0
kernel signature: 85883c06f5d587229246b4845f8e5503e706394b
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.14
testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0
kernel signature: 2286cb62b1e63fcae92ea8fac8bc467c5e157834
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.13
testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0
kernel signature: a79cc6888cdbfc8dc7a4cadb3a7508f3e1f16a0b
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.12
testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0
kernel signature: f113e3f8c0df297e620c1e786acc266b5cbed04e
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.11
testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0
kernel signature: 42f653f1727052300a08a7a50d6a2edf7c75ebbf
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.10
testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0
kernel signature: 8bf68d258f1f7c37c481af61873d884ba1cf11c8
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.9
testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0
kernel signature: 4616136075b2673f8b080a21ab0adf8f85780094
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.8
testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0
kernel signature: c3fecad79e3295dc5929bb056df3278e38d46398
all runs: crashed: KASAN: use-after-free Write in release_tty
testing release v4.7
testing commit 523d939ef98fd712632d93a5a2b588e477a7565e with gcc (GCC) 5.5.0
kernel signature: 089fb9308f0e568536a3968abf446c5827cd009b
run #0: crashed: general protection fault in get_work_pool
run #1: crashed: KASAN: use-after-free Write in release_tty
run #2: crashed: KASAN: use-after-free Write in release_tty
run #3: crashed: KASAN: use-after-free Write in release_tty
run #4: crashed: KASAN: use-after-free Write in release_tty
run #5: crashed: KASAN: use-after-free Write in release_tty
run #6: crashed: KASAN: use-after-free Write in release_tty
run #7: crashed: KASAN: use-after-free Write in release_tty
run #8: crashed: KASAN: use-after-free Write in release_tty
run #9: crashed: KASAN: use-after-free Write in release_tty
testing release v4.6
testing commit 2dcd0af568b0cf583645c8a317dd12e344b1c72a with gcc (GCC) 5.5.0
kernel signature: 8aab20519bb44db84757f1b3153dcd6a554e6af9
run #0: crashed: general protection fault in tty_buffer_cancel_work
run #1: crashed: KASAN: use-after-free Write in release_tty
run #2: crashed: KASAN: use-after-free Write in release_tty
run #3: crashed: WARNING in __bfs
run #4: crashed: KASAN: use-after-free Write in release_tty
run #5: crashed: KASAN: use-after-free Write in release_tty
run #6: crashed: KASAN: use-after-free Write in release_tty
run #7: crashed: WARNING in __bfs
run #8: crashed: general protection fault in tty_buffer_cancel_work
run #9: crashed: KASAN: use-after-free Write in release_tty
testing release v4.5
testing commit b562e44f507e863c6792946e4e1b1449fbbac85d with gcc (GCC) 5.5.0
kernel signature: e66d5f0de5473510b7e4424c33d38f7489b824a0
run #0: crashed: general protection fault in tty_buffer_cancel_work
run #1: crashed: WARNING in __bfs
run #2: crashed: WARNING in __bfs
run #3: crashed: WARNING in __bfs
run #4: crashed: BUG: sleeping function called from invalid context in __do_page_fault
run #5: crashed: WARNING in __bfs
run #6: crashed: BUG: sleeping function called from invalid context in __do_page_fault
run #7: crashed: BUG: sleeping function called from invalid context in __do_page_fault
run #8: crashed: WARNING in __bfs
run #9: crashed: general protection fault in tty_buffer_cancel_work
testing release v4.4
testing commit afd2ff9b7e1b367172f18ba7f693dfb62bdcb2dc with gcc (GCC) 5.5.0
kernel signature: 9245de0f44d21ed6ca64c9192a14b18ab8ff101f
run #0: crashed: WARNING in __bfs
run #1: crashed: general protection fault in tty_buffer_cancel_work
run #2: crashed: WARNING in __bfs
run #3: crashed: WARNING in __bfs
run #4: crashed: WARNING in __bfs
run #5: crashed: general protection fault in tty_buffer_cancel_work
run #6: crashed: general protection fault in tty_buffer_cancel_work
run #7: crashed: WARNING in __bfs
run #8: crashed: general protection fault in tty_buffer_cancel_work
run #9: crashed: WARNING in __bfs
testing release v4.3
testing commit 6a13feb9c82803e2b815eca72fa7a9f5561d7861 with gcc (GCC) 5.5.0
kernel signature: a5af15fae7c9d85c3f1202876921ed0430782869
run #0: crashed: WARNING in corrupted
run #1: crashed: general protection fault in release_tty
run #2: crashed: WARNING in corrupted
run #3: crashed: WARNING in __bfs
run #4: crashed: WARNING in corrupted
run #5: crashed: WARNING in __bfs
run #6: crashed: general protection fault in corrupted
run #7: crashed: general protection fault in corrupted
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
testing release v4.2
testing commit 64291f7db5bd8150a74ad2036f1037e6a0428df2 with gcc (GCC) 5.5.0
kernel signature: 1765c95b67199d64ea98f10435e2a684345359a0
run #0: crashed: general protection fault in corrupted
run #1: crashed: general protection fault in release_tty
run #2: crashed: BUG: sleeping function called from invalid context in corrupted
run #3: crashed: general protection fault in release_tty
run #4: crashed: general protection fault in release_tty
run #5: crashed: general protection fault in release_tty
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
testing release v4.1
testing commit b953c0d234bc72e8489d3bf51a276c5c4ec85345 with gcc (GCC) 5.5.0
kernel signature: df817d175f797addaf5bf7416fd339ecb8407eca
run #0: crashed: general protection fault in corrupted
run #1: crashed: INFO: trying to register non-static key in release_tty
run #2: crashed: general protection fault in release_tty
run #3: crashed: general protection fault in release_tty
run #4: crashed: general protection fault in release_tty
run #5: crashed: general protection fault in release_tty
run #6: crashed: general protection fault in release_tty
run #7: crashed: INFO: trying to register non-static key in release_tty
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
revisions tested: 26, total time: 3h41m31.748443694s (build: 1h59m19.575795321s, test: 1h39m40.888698616s)
the crash already happened on the oldest tested release
commit msg: Linux 4.1
crash: no output from test machine