bisecting fixing commit since 30bb5572ce7a8710fa9ea720b6ecb382791c9800
building syzkaller on 35f53e457420e79fa28e3260cdbbf9f37b9f97e4
testing commit 30bb5572ce7a8710fa9ea720b6ecb382791c9800 with gcc (GCC) 8.1.0
kernel signature: ee652cf8c5eddf19072edb492d2e8fe4a8eac208fdbb1cea197f39f66db4228b
run #0: crashed: BUG: sleeping function called from invalid context in do_page_fault
run #1: crashed: BUG: sleeping function called from invalid context in do_page_fault
run #2: crashed: BUG: sleeping function called from invalid context in do_page_fault
run #3: crashed: BUG: sleeping function called from invalid context in do_page_fault
run #4: crashed: no output from test machine
run #5: crashed: no output from test machine
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 current HEAD c45e8bccecaf633480d378daff11e122dfd5e96d
testing commit c45e8bccecaf633480d378daff11e122dfd5e96d with gcc (GCC) 8.1.0
kernel signature: 8612addcd1705858d8dfb00d56e9f7a41fc925f8ac32024f3c30734517706a77
run #0: crashed: BUG: sleeping function called from invalid context in do_page_fault
run #1: crashed: BUG: sleeping function called from invalid context in do_page_fault
run #2: crashed: BUG: sleeping function called from invalid context in do_page_fault
run #3: crashed: BUG: sleeping function called from invalid context in do_page_fault
run #4: crashed: BUG: sleeping function called from invalid context in do_page_fault
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in do_syscall_64
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in do_fast_syscall_32
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
revisions tested: 2, total time: 29m56.221066734s (build: 12m33.387759615s, test: 16m30.249058836s)
the crash still happens on HEAD
commit msg: Merge tag 'for-5.7/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
crash: no output from test machine