ci starts bisection 2024-01-20 11:22:56.502968908 +0000 UTC m=+30113.809568331
bisecting fixing commit since 28f20a19294da7df158dfca259d0e2b5866baaf9
building syzkaller on 03d9c195daed8fca30b642783f35657aa7e32209
ensuring issue is reproducible on original commit 28f20a19294da7df158dfca259d0e2b5866baaf9

testing commit 28f20a19294da7df158dfca259d0e2b5866baaf9 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 15c86e1725068ed3dc96480103ece6728d930d3694b5b8896a802ad41870ecf2
run #0: crashed: general protection fault in locks_remove_posix
run #1: crashed: general protection fault in loop_process_work
run #2: crashed: BUG: unable to handle kernel paging request in corrupted
run #3: crashed: general protection fault in timerqueue_del
run #4: crashed: general protection fault in ext4_es_lookup_extent
run #5: crashed: general protection fault in __cgroup_account_cputime_field
run #6: crashed: general protection fault in rcu_core
run #7: crashed: general protection fault in __hrtimer_run_queues
run #8: crashed: general protection fault in shmem_alloc_inode
run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1991633746" "root@10.128.10.12:./syz-executor1991633746"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.12, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.12 [10.128.10.12] port 22.
debug1: connect to address 10.128.10.12 port 22: Connection timed out
ssh: connect to host 10.128.10.12 port 22: Connection timed out
scp: Connection closed

run #10: crashed: general protection fault in mm_update_next_owner
run #11: crashed: kernel panic: corrupted stack end in vfs_fallocate
run #12: crashed: kernel panic: corrupted stack end in sys_clock_nanosleep
run #13: crashed: general protection fault in io_serial_in
run #14: crashed: general protection fault in __hrtimer_run_queues
run #15: crashed: general protection fault in __get_obj_cgroup_from_memcg
run #16: crashed: general protection fault in account_kernel_stack
run #17: crashed: general protection fault in cpuacct_account_field
run #18: crashed: general protection fault in __hrtimer_run_queues
run #19: OK
representative crash: general protection fault in locks_remove_posix, types: [UNKNOWN]
check whether we can drop unnecessary instrumentation
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed
testing commit 28f20a19294da7df158dfca259d0e2b5866baaf9 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a9d6a1b7df73f917c9557ecb0261b605f4e8224ab65d4aa13ac0c18f7e70dc61
run #0: crashed: go runtime error
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: OK
representative crash: go runtime error, types: [UNKNOWN]
kconfig minimization: base=3923 full=7652 leaves diff=2002
split chunks (needed=false): <2002>
split chunk #0 of len 2002 into 5 parts
testing without sub-chunk 1/5
testing commit 28f20a19294da7df158dfca259d0e2b5866baaf9 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 64bb561d967ff62dbd0c7e8320cc26af5395ceb9569302f3f88cc9e95f0d3ec6
run #0: crashed: KASAN: stack-out-of-bounds Read in timerqueue_del
run #1: crashed: general protection fault in debug_check_no_obj_freed
run #2: crashed: general protection fault in __call_rcu_common
run #3: crashed: general protection fault in cpuacct_charge
run #4: crashed: general protection fault in wq_worker_running
run #5: crashed: possible deadlock in console_flush_all
run #6: crashed: general protection fault in cpuacct_account_field
run #7: crashed: kernel panic: corrupted stack end in sys_clock_nanosleep
run #8: crashed: kernel BUG in corrupted
run #9: crashed: general protection fault in psi_account_irqtime
run #10: crashed: general protection fault in list_lru_add
run #11: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core
run #12: crashed: general protection fault in process_one_work
run #13: crashed: general protection fault in cpuacct_charge
run #14: crashed: kernel panic: corrupted stack end in vfs_fallocate
run #15: crashed: UBSAN: shift-out-of-bounds in __radix_tree_lookup
run #16: crashed: general protection fault in hrtimer_try_to_cancel
run #17: crashed: general protection fault in rcu_core
run #18: crashed: BUG: unable to handle kernel paging request in try_to_wake_up
run #19: OK
representative crash: general protection fault in debug_check_no_obj_freed, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 2/5
testing commit 28f20a19294da7df158dfca259d0e2b5866baaf9 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 154cd0ad1b5051d1fac1a4430281dc8890d943648591b7f8f1dcd586a2006866
run #0: crashed: kernel BUG in corrupted
run #1: crashed: general protection fault in update_curr
run #2: crashed: kernel panic: corrupted stack end in vfs_fallocate
run #3: crashed: general protection fault in __cgroup_account_cputime_field
run #4: crashed: general protection fault in __hrtimer_run_queues
run #5: crashed: general protection fault in io_serial_in
run #6: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1736365822" "root@10.128.1.134:./syz-executor1736365822"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.1.134, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.1.134 [10.128.1.134] port 22.
debug1: connect to address 10.128.1.134 port 22: Connection timed out
ssh: connect to host 10.128.1.134 port 22: Connection timed out
scp: Connection closed

run #7: crashed: kernel BUG in corrupted
run #8: crashed: WARNING: locking bug in psi_group_change
run #9: crashed: BUG: unable to handle kernel paging request in generic_file_write_iter
run #10: crashed: general protection fault in io_serial_in
run #11: crashed: general protection fault in __hrtimer_run_queues
run #12: crashed: general protection fault in mtree_range_walk
run #13: crashed: BUG: unable to handle kernel paging request in ext4_ext_remove_space
run #14: crashed: general protection fault in update_curr
run #15: crashed: general protection fault in end_bio_bh_io_sync
run #16: crashed: BUG: unable to handle kernel paging request in ext4_ext_remove_space
run #17: crashed: general protection fault in kernfs_dop_revalidate
run #18: crashed: general protection fault in folio_flags
run #19: OK
representative crash: general protection fault in update_curr, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 3/5
testing commit 28f20a19294da7df158dfca259d0e2b5866baaf9 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b440f0898bc3f2ee35f95335065711be7945b79871b1e72b42f46c0feddab3a2
run #0: crashed: BUG: unable to handle kernel paging request in ext4_ext_remove_space
run #1: crashed: general protection fault in debug_check_no_obj_freed
run #2: crashed: general protection fault in __run_timers
run #3: crashed: KASAN: wild-memory-access Read in filp_close
run #4: crashed: general protection fault in ext4_multi_mount_protect
run #5: crashed: general protection fault in refill_obj_stock
run #6: crashed: general protection fault in corrupted
run #7: crashed: general protection fault in cpuacct_charge
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core
run #9: crashed: general protection fault in debug_check_no_obj_freed
run #10: crashed: general protection fault in update_curr
run #11: crashed: no output from test machine
run #12: crashed: general protection fault in __run_timers
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: unable to handle kernel paging request in ext4_ext_remove_space, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 4/5
testing commit 28f20a19294da7df158dfca259d0e2b5866baaf9 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ab876bf77c7fb967cb14ed864966dfc7c1eacfb946e8cb9aed85f06fbb1d8a9c
run #0: crashed: KASAN: wild-memory-access Read in fsnotify_perm
run #1: crashed: BUG: corrupted list in unregister_shrinker
run #2: crashed: stack segment fault in __stack_depot_save
run #3: crashed: general protection fault in jbd2_journal_revoke
run #4: crashed: KASAN: user-memory-access Read in mpage_process_page_bufs
run #5: crashed: KASAN: user-memory-access Read in mpage_process_page_bufs
run #6: crashed: general protection fault in vfs_write
run #7: crashed: general protection fault in rcu_core
run #8: crashed: general protection fault in cpuacct_account_field
run #9: crashed: general protection fault in __d_lookup
run #10: crashed: possible deadlock in try_to_wake_up
run #11: crashed: possible deadlock in console_flush_all
run #12: crashed: BUG: unable to handle kernel paging request in jbd2__journal_start
run #13: crashed: possible deadlock in console_flush_all
run #14: crashed: general protection fault in debug_check_no_obj_freed
run #15: crashed: general protection fault in ext4_inode_table
run #16: crashed: general protection fault in timerqueue_del
run #17: crashed: general protection fault in fsnotify
run #18: crashed: KASAN: stack-out-of-bounds Read in timerqueue_del
run #19: OK
representative crash: stack segment fault in __stack_depot_save, types: [UNKNOWN KASAN]
the chunk can be dropped
testing without sub-chunk 5/5
testing commit 28f20a19294da7df158dfca259d0e2b5866baaf9 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9c026d81b3b6ae7d2cddcac2d2720d2092eda6c802de74f52b8ef04cadbaa9d3
run #0: crashed: kernel BUG in __phys_addr
run #1: crashed: BUG: unable to handle kernel paging request in __stack_depot_save
run #2: crashed: general protection fault in rcu_core
run #3: crashed: general protection fault in io_serial_in
run #4: crashed: general protection fault in fsnotify
run #5: crashed: general protection fault in pid_task
run #6: crashed: general protection fault in ext4_mb_release
run #7: crashed: general protection fault in try_to_wake_up
run #8: crashed: general protection fault in pid_task
run #9: crashed: BUG: unable to handle kernel paging request in generic_file_write_iter
run #10: crashed: WARNING: locking bug in d_set_mounted
run #11: crashed: WARNING: locking bug in dput
run #12: crashed: KASAN: wild-memory-access Write in filemap_get_entry
run #13: crashed: general protection fault in fsnotify
run #14: crashed: general protection fault in __hrtimer_run_queues
run #15: crashed: general protection fault in refill_obj_stock
run #16: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2393202572" "root@10.128.10.6:./syz-executor2393202572"]: exit status 255
Executing: program /usr/bin/ssh host 10.128.10.6, user root, command sftp
OpenSSH_9.2p1 Debian-2+deb12u1, OpenSSL 3.0.11 19 Sep 2023
debug1: Reading configuration data /dev/null
debug1: Connecting to 10.128.10.6 [10.128.10.6] port 22.
debug1: connect to address 10.128.10.6 port 22: Connection timed out
ssh: connect to host 10.128.10.6 port 22: Connection timed out
scp: Connection closed

run #17: crashed: WARNING in ext4_invalidate_folio
run #18: crashed: general protection fault in inode_permission
run #19: crashed: general protection fault in serial8250_console_write
representative crash: BUG: unable to handle kernel paging request in __stack_depot_save, types: [UNKNOWN]
the chunk can be dropped
testing current HEAD 9d64bf433c53cab2f48a3fff7a1f2a696bc5229a
testing commit 9d64bf433c53cab2f48a3fff7a1f2a696bc5229a gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7f86c5443c1c94f2dd40380dd0396f49a3029b62e1f5fdddc8d38d00e4c2ccb2
all runs: OK
false negative chance: 0.000
# git bisect start 9d64bf433c53cab2f48a3fff7a1f2a696bc5229a 28f20a19294da7df158dfca259d0e2b5866baaf9
Bisecting: 22578 revisions left to test after this (roughly 15 steps)
[7d461b291e65938f15f56fe58da2303b07578a76] Merge tag 'drm-next-2023-10-31-1' of git://anongit.freedesktop.org/drm/drm

determine whether the revision contains the guilty commit
revision 28f20a19294da7df158dfca259d0e2b5866baaf9 crashed and is reachable
testing commit 7d461b291e65938f15f56fe58da2303b07578a76 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 52f2712ade016b09031947f60a40b56ddeef6069d0fab186fc487435e95d23f0
run #0: crashed: stack segment fault in __stack_depot_save
run #1: crashed: general protection fault in rcu_core
run #2: crashed: stack segment fault in __stack_depot_save
run #3: crashed: KFENCE: invalid read in ext4_ext_remove_space
run #4: crashed: divide error in reweight_entity
run #5: crashed: KFENCE: invalid read in ext4_ext_remove_space
run #6: crashed: BUG: corrupted list in __dentry_kill
run #7: crashed: general protection fault in corrupted
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core
run #9: crashed: WARNING: locking bug in folio_create_empty_buffers
run #10: crashed: general protection fault in pid_task
run #11: crashed: BUG: unable to handle kernel paging request in skip_atoi
run #12: crashed: general protection fault in kmmpd
run #13: crashed: general protection fault in ext4_es_insert_extent
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: stack segment fault in __stack_depot_save, types: [UNKNOWN]
# git bisect good 7d461b291e65938f15f56fe58da2303b07578a76
Bisecting: 11282 revisions left to test after this (roughly 14 steps)
[7da71072e1d6967c0482abcbb5991ffb5953fdf2] Merge tag 'pm-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

determine whether the revision contains the guilty commit
revision 7d461b291e65938f15f56fe58da2303b07578a76 crashed and is reachable
testing commit 7da71072e1d6967c0482abcbb5991ffb5953fdf2 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b0a7eea9d703e6ff0af36ff9026220c34ecee5cdd8d4603cee6934f49ce83bb2
all runs: OK
false negative chance: 0.000
# git bisect bad 7da71072e1d6967c0482abcbb5991ffb5953fdf2
Bisecting: 5631 revisions left to test after this (roughly 13 steps)
[e70703890b2586bc3567365d391c260d23fb7a94] Merge tag 'topic/nvidia-gsp-2023-11-03' of git://anongit.freedesktop.org/drm/drm

determine whether the revision contains the guilty commit
revision 28f20a19294da7df158dfca259d0e2b5866baaf9 crashed and is reachable
testing commit e70703890b2586bc3567365d391c260d23fb7a94 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3273abe92b679b2bbab489a3ddb682246d058b5a5a5a95f63adbc5e7ef6b9315
run #0: crashed: kernel BUG in __phys_addr
run #1: crashed: kernel BUG in __phys_addr
run #2: crashed: inconsistent lock state in try_to_wake_up
run #3: crashed: KFENCE: invalid read in ext4_ext_remove_space
run #4: crashed: UBSAN: shift-out-of-bounds in tag_pages_for_writeback
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core
run #6: crashed: general protection fault in rcu_core
run #7: crashed: general protection fault in __d_lookup_rcu
run #8: crashed: general protection fault in pid_task
run #9: crashed: general protection fault in rcu_core
run #10: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core
run #11: crashed: general protection fault in end_bio_bh_io_sync
run #12: crashed: kernel BUG in __phys_addr
run #13: crashed: general protection fault in tomoyo_check_acl
run #14: crashed: general protection fault in rcu_core
run #15: crashed: BUG: unable to handle kernel paging request in inode_to_bdi
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KFENCE: invalid read in ext4_ext_remove_space, types: [UNKNOWN BUG]
# git bisect good e70703890b2586bc3567365d391c260d23fb7a94
Bisecting: 2816 revisions left to test after this (roughly 12 steps)
[815fb87b753055df2d9e50f6cd80eb10235fe3e9] Merge tag 'pm-6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

determine whether the revision contains the guilty commit
revision 7d461b291e65938f15f56fe58da2303b07578a76 crashed and is reachable
testing commit 815fb87b753055df2d9e50f6cd80eb10235fe3e9 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 95c4a66c5b5fa325bc68f2e7455c937fee5c889eb192bacff7588f6ac8418f52
run #0: crashed: BUG: unable to handle kernel paging request in inode_to_bdi
run #1: crashed: general protection fault in list_lru_del
run #2: crashed: BUG: unable to handle kernel paging request in pid_task
run #3: crashed: KFENCE: invalid read in ext4_ext_remove_space
run #4: crashed: WARNING in ext4_punch_hole
run #5: crashed: general protection fault in offset_readdir
run #6: crashed: go runtime error
run #7: crashed: general protection fault in end_bio_bh_io_sync
run #8: crashed: KFENCE: invalid read in ext4_ext_remove_space
run #9: crashed: general protection fault in pid_task
run #10: crashed: BUG: unable to handle kernel paging request in dput
run #11: crashed: general protection fault in rcu_core
run #12: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core
run #13: crashed: general protection fault in pid_task
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: BUG: unable to handle kernel paging request in inode_to_bdi, types: [UNKNOWN]
# git bisect good 815fb87b753055df2d9e50f6cd80eb10235fe3e9
Bisecting: 1421 revisions left to test after this (roughly 11 steps)
[5db8752c3b81bd33a549f6f812bab81e3bb61b20] Merge tag 'vfs-6.8.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

determine whether the revision contains the guilty commit
revision 7d461b291e65938f15f56fe58da2303b07578a76 crashed and is reachable
testing commit 5db8752c3b81bd33a549f6f812bab81e3bb61b20 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: fff14d91d716178f49d9230bf820ff2a93f8bf813c0195582f8d1e0f78f97726
all runs: OK
false negative chance: 0.000
# git bisect bad 5db8752c3b81bd33a549f6f812bab81e3bb61b20
Bisecting: 695 revisions left to test after this (roughly 10 steps)
[3b8a9b2e6809d281890dd0a1102dc14d2cd11caf] Merge tag 'trace-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

determine whether the revision contains the guilty commit
revision 815fb87b753055df2d9e50f6cd80eb10235fe3e9 crashed and is reachable
testing commit 3b8a9b2e6809d281890dd0a1102dc14d2cd11caf gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5f9163a96911ae2743b09a9c483a2ed6fdffbd6b9c8c476d33d0f9c323443c43
run #0: crashed: general protection fault, probably for noSeaBIOS (version NUM.NUM.NUM-google)
run #1: crashed: kernel BUG in __phys_addr
run #2: crashed: general protection fault in rcu_core
run #3: crashed: general protection fault in __d_lookup
run #4: crashed: general protection fault in locks_remove_posix
run #5: crashed: inconsistent lock state in ext4_finish_bio
run #6: crashed: UBSAN: shift-out-of-bounds in idr_get_free
run #7: crashed: general protection fault in rcu_core
run #8: crashed: general protection fault in rcu_core
run #9: crashed: general protection fault in pid_task
run #10: crashed: general protection fault in fsnotify_perm
run #11: crashed: general protection fault in ext4_mb_discard_group_preallocations
run #12: crashed: KFENCE: invalid read in ext4_ext_remove_space
run #13: crashed: general protection fault in rcu_core
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: general protection fault, probably for noSeaBIOS (version NUM.NUM.NUM-google), types: [UNKNOWN]
# git bisect good 3b8a9b2e6809d281890dd0a1102dc14d2cd11caf
Bisecting: 347 revisions left to test after this (roughly 9 steps)
[2bd7a06a1208aaacb4e7a2a5436c23bce8d70801] drm/i915/dp: Fix passing the correct DPCD_REV for drm_dp_set_phy_test_pattern

determine whether the revision contains the guilty commit
revision 815fb87b753055df2d9e50f6cd80eb10235fe3e9 crashed and is reachable
testing commit 2bd7a06a1208aaacb4e7a2a5436c23bce8d70801 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 340522250eb44c75d8ba59da05b51e6b81767ac59cf15fe33e1a47f4c4fc87b7
run #0: crashed: BUG: spinlock bad magic in ext4_finish_bio
run #1: crashed: general protection fault in rcu_core
run #2: crashed: WARNING: locking bug in do_lock_mount
run #3: crashed: BUG: unable to handle kernel paging request in __block_write_begin_int
run #4: crashed: general protection fault in kmmpd
run #5: crashed: WARNING: locking bug in dput
run #6: crashed: WARNING in ext4_punch_hole
run #7: crashed: general protection fault in do_lock_mount
run #8: crashed: KASAN: user-memory-access Read in submit_bh_wbc
run #9: crashed: general protection fault in __d_lookup_rcu
run #10: crashed: UBSAN: shift-out-of-bounds in radix_tree_next_chunk
run #11: crashed: general protection fault in end_bio_bh_io_sync
run #12: crashed: general protection fault in __fput
run #13: crashed: general protection fault in rcu_core
run #14: crashed: general protection fault in rcu_core
run #15: crashed: WARNING: locking bug in dquot_add_space
run #16: crashed: kernel BUG in __phys_addr
run #17: OK
run #18: OK
run #19: OK
representative crash: general protection fault in rcu_core, types: [UNKNOWN LOCKDEP]
# git bisect good 2bd7a06a1208aaacb4e7a2a5436c23bce8d70801
Bisecting: 173 revisions left to test after this (roughly 8 steps)
[3eca89454aec4278c0debc918b4978a3f4a0581e] Merge tag '6.7-rc8-smb3-mchan-fixes' of git://git.samba.org/sfrench/cifs-2.6

determine whether the revision contains the guilty commit
revision 28f20a19294da7df158dfca259d0e2b5866baaf9 crashed and is reachable
testing commit 3eca89454aec4278c0debc918b4978a3f4a0581e gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4c0651d02f48014167cf8ea3fe3be7f332adca754edc08c5a7f4e44c2071a823
run #0: crashed: general protection fault in do_lock_mount
run #1: crashed: kernel BUG in __phys_addr
run #2: crashed: kernel BUG in __phys_addr
run #3: crashed: KASAN: wild-memory-access Read in mpage_process_page_bufs
run #4: crashed: KASAN: user-memory-access Read in __find_get_block
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core
run #6: crashed: general protection fault in rcu_core
run #7: crashed: general protection fault in rcu_core
run #8: crashed: general protection fault in loop_queue_rq
run #9: crashed: general protection fault in pid_task
run #10: crashed: BUG: corrupted list in __dentry_kill
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: general protection fault in do_lock_mount, types: [UNKNOWN BUG]
# git bisect good 3eca89454aec4278c0debc918b4978a3f4a0581e
Bisecting: 79 revisions left to test after this (roughly 7 steps)
[c604110e662a54568073a03176402b624e740310] Merge tag 'vfs-6.8.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

determine whether the revision contains the guilty commit
revision 28f20a19294da7df158dfca259d0e2b5866baaf9 crashed and is reachable
testing commit c604110e662a54568073a03176402b624e740310 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ea9a85ac7b344a43acd95d2256754fb2c7bc5c560eefb7879db9e6ba18f8db19
run #0: crashed: WARNING: locking bug in simple_empty
run #1: crashed: UBSAN: shift-out-of-bounds in block_read_full_folio
run #2: crashed: KASAN: wild-memory-access Write in filemap_get_entry
run #3: crashed: general protection fault in __d_lookup_rcu
run #4: crashed: BUG: Bad rss-counter state
run #5: crashed: KASAN: wild-memory-access Read in mpage_process_page_bufs
run #6: crashed: UBSAN: shift-out-of-bounds in __radix_tree_lookup
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in rcu_core
run #8: crashed: general protection fault in pid_task
run #9: crashed: general protection fault in rcu_core
run #10: crashed: general protection fault in rcu_core
run #11: crashed: general protection fault in locks_remove_posix
run #12: OK
run #13: crashed: KFENCE: invalid read in ext4_ext_remove_space
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: general protection fault in __d_lookup_rcu, types: [UNKNOWN UBSAN]
# git bisect good c604110e662a54568073a03176402b624e740310
Bisecting: 40 revisions left to test after this (roughly 5 steps)
[8c9440fea77440772542d6dbcb5c36182495c164] Merge tag 'vfs-6.8.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

determine whether the revision contains the guilty commit
revision 28f20a19294da7df158dfca259d0e2b5866baaf9 crashed and is reachable
testing commit 8c9440fea77440772542d6dbcb5c36182495c164 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 30bbcb45ebdb8738ae492ab86850acbfdbb52eca3a049e0307aff76cd69af274
all runs: OK
false negative chance: 0.000
# git bisect bad 8c9440fea77440772542d6dbcb5c36182495c164
Bisecting: 19 revisions left to test after this (roughly 4 steps)
[cd34758c5238ae6976b10fe15bba7031b409c969] block: Remove blkdev_get_by_*() functions

determine whether the revision contains the guilty commit
revision 7d461b291e65938f15f56fe58da2303b07578a76 crashed and is reachable
testing commit cd34758c5238ae6976b10fe15bba7031b409c969 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2fee36a7157d3a94a51e6d5217a7e3483a9b23c47c3b86a03efd744bc05e2764
run #0: crashed: general protection fault in ext4_release_file
run #1: crashed: stack segment fault in __stack_depot_save
run #2: crashed: general protection fault in rcu_core
run #3: crashed: general protection fault in __d_lookup_rcu
run #4: crashed: BUG: corrupted list in evict
run #5: crashed: general protection fault in bio_first_folio
run #6: crashed: general protection fault in pid_task
run #7: crashed: KFENCE: invalid read in ext4_ext_remove_space
run #8: crashed: KASAN: wild-memory-access Write in filemap_get_entry
run #9: crashed: general protection fault in __d_lookup
run #10: crashed: KFENCE: invalid read in ext4_ext_remove_space
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: general protection fault in ext4_release_file, types: [UNKNOWN]
# git bisect good cd34758c5238ae6976b10fe15bba7031b409c969
Bisecting: 9 revisions left to test after this (roughly 3 steps)
[5bd3cf8cbc8a286308ef3f40656659d5abc89995] add selftest for statmount/listmount

determine whether the revision contains the guilty commit
revision 28f20a19294da7df158dfca259d0e2b5866baaf9 crashed and is reachable
testing commit 5bd3cf8cbc8a286308ef3f40656659d5abc89995 gcc
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 528317ea257e2d68c6287b8ef3a8818bb651a3ae5bfe225ff7b722ed1c69350c
run #0: crashed: KFENCE: invalid read in ext4_ext_remove_space
run #1: crashed: UBSAN: shift-out-of-bounds in __xa_alloc
run #2: crashed: kernel BUG in __phys_addr
run #3: crashed: UBSAN: shift-out-of-bounds in radix_tree_next_chunk
run #4: crashed: KASAN: wild-memory-access Write in filemap_get_read_batch
run #5: crashed: go runtime error
run #6: crashed: general protection fault in pid_task
run #7: crashed: general protection fault in rcu_core
run #8: crashed: KASAN: user-memory-access Read in __find_get_block
run #9: crashed: general protection fault in __d_lookup_rcu
run #10: crashed: general protection fault in d_path
run #11: crashed: general protection fault in rcu_core
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KFENCE: invalid read in ext4_ext_remove_space, types: [UNKNOWN UBSAN]
# git bisect good 5bd3cf8cbc8a286308ef3f40656659d5abc89995
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[afde134b5bd02a5c719336ca1d0d3cb7e4def70e] ext4: Block writes to journal device

determine whether the revision contains the guilty commit
revision cd34758c5238ae6976b10fe15bba7031b409c969 crashed and is reachable
reproducer is flaky (0.60 repro chance estimate)
revisions tested: 20, total time: 12h10m43.536013179s (build: 6h44m24.074911084s, test: 5h12m38.61649951s)
error: bisection is taking too long (>12h0m0s), aborting