bisecting cause commit starting from 76bb8b05960c3d1668e6bee7624ed886cbd135ba
building syzkaller on ab342da3f9aa45e3f2d9e872576ab5cd3e3c350b
testing commit 76bb8b05960c3d1668e6bee7624ed886cbd135ba with gcc (GCC) 8.1.0
kernel signature: 7d89beee7553fdbd49ec0b12f891c2a0ea35dcbe
all runs: crashed: divide error in fbcon_switch
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0
kernel signature: 2a3cc4c54154c21618d5b9895250ef82ddfeb504
all runs: crashed: divide error in fbcon_switch
testing release v5.3
testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0
kernel signature: a849d977c4b8941e27f37c3bd254b5f6eb8e4d6c
all runs: crashed: divide error in fbcon_switch
testing release v5.2
testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0
kernel signature: 68c28d5b416c34dd4fb90c81e00091e4de4bde6a
all runs: crashed: divide error in fbcon_switch
testing release v5.1
testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0
kernel signature: ef7c71a095b44389b38de9b965ac790eb102221d
all runs: crashed: divide error in fbcon_switch
testing release v5.0
testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0
kernel signature: c9a0a77d0ff6223633c1f2e982f5679c0629b293
all runs: crashed: divide error in fbcon_switch
testing release v4.20
testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0
kernel signature: 505f7a3ce2bc55cadd674d3587439832da215831
all runs: crashed: divide error in fbcon_switch
testing release v4.19
testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0
kernel signature: 6d695943aa52c9e3b26a42e38b5b9bf90ad3defd
all runs: crashed: divide error in fbcon_switch
testing release v4.18
testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0
kernel signature: c2133ce9700dc34ff6c0636883b2cdf09f904f5d
all runs: crashed: divide error in fbcon_switch
testing release v4.17
testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0
kernel signature: 418957aba249d95ecbb57968a20c17dfacf786f5
all runs: crashed: divide error in fbcon_switch
testing release v4.16
testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0
kernel signature: ac5c2cd0069d20b66c8cf62a2249c5722d5e3ee1
all runs: crashed: divide error in fbcon_switch
testing release v4.15
testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0
kernel signature: 7578caf8f553abe2d3b2a4fd6aff735fc9e678f6
all runs: crashed: divide error in fbcon_switch
testing release v4.14
testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0
kernel signature: 104e8a1a090cb34fbd46122e99b8f1a77207d50c
all runs: crashed: divide error in fbcon_switch
testing release v4.13
testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0
kernel signature: 1b6252706dde2334adfa7938449efd8d0a8c3281
all runs: crashed: divide error in fbcon_switch
testing release v4.12
testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0
kernel signature: 2ec6fcf2e24d2a54487d1c6e0bf1b0476378567f
all runs: crashed: divide error in fbcon_switch
testing release v4.11
testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0
kernel signature: 9ae98b7e83ac4cc3bdc661dd783f3bc4b9701b15
all runs: crashed: divide error in fbcon_switch
testing release v4.10
testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0
kernel signature: 00b0b11de2d0e7647fe729ccdb139a77278fade2
all runs: crashed: divide error in fbcon_switch
testing release v4.9
testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0
kernel signature: 5a59d1f1ffa9f5bc859f37a9fc0239d5d143468a
all runs: crashed: divide error in fbcon_switch
testing release v4.8
testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0
kernel signature: 1c78ab3828a6de9e3aa33481a89780e374b01ed0
all runs: crashed: divide error in fbcon_switch
testing release v4.7
testing commit 523d939ef98fd712632d93a5a2b588e477a7565e with gcc (GCC) 5.5.0
kernel signature: e1663b185641d1073caf90137d8838d0ee13c9b8
all runs: crashed: divide error in fbcon_switch
testing release v4.6
testing commit 2dcd0af568b0cf583645c8a317dd12e344b1c72a with gcc (GCC) 5.5.0
kernel signature: 487dc8bd12d2023cecfe7482e4e02f8845b5815c
all runs: crashed: divide error in fbcon_switch
testing release v4.5
testing commit b562e44f507e863c6792946e4e1b1449fbbac85d with gcc (GCC) 5.5.0
kernel signature: b167babf82156e435d27dc32eea611ccf439c268
all runs: crashed: divide error in fbcon_switch
testing release v4.4
testing commit afd2ff9b7e1b367172f18ba7f693dfb62bdcb2dc with gcc (GCC) 5.5.0
kernel signature: def591b92c5d9f3258a1274fdfbe342f4727d629
all runs: crashed: divide error in fbcon_switch
testing release v4.3
testing commit 6a13feb9c82803e2b815eca72fa7a9f5561d7861 with gcc (GCC) 5.5.0
kernel signature: 01f5de9a360f11a67cdce51f6ae84f8b6f39a612
all runs: crashed: no output from test machine
testing release v4.2
testing commit 64291f7db5bd8150a74ad2036f1037e6a0428df2 with gcc (GCC) 5.5.0
kernel signature: e9e4e75e5802d49953d477d014c7120791c5bdef
all runs: crashed: no output from test machine
testing release v4.1
testing commit b953c0d234bc72e8489d3bf51a276c5c4ec85345 with gcc (GCC) 5.5.0
kernel signature: 1b30ed9b749f5f71af8ebfefba71925abc1864a4
all runs: crashed: no output from test machine
revisions tested: 26, total time: 3h49m8.318591534s (build: 2h3m2.786274232s, test: 1h39m12.254404062s)
the crash already happened on the oldest tested release
commit msg: Linux 4.1
crash: no output from test machine