ci2 starts bisection 2023-04-07 01:21:50.105298104 +0000 UTC m=+16761.682800499 bisecting fixing commit since b229b6ca5abbd63ff40c1396095b1b36b18139c3 building syzkaller on 08977f5d5e344fa0ac0b80af0b72fc3f1468d6a5 ensuring issue is reproducible on original commit b229b6ca5abbd63ff40c1396095b1b36b18139c3 testing commit b229b6ca5abbd63ff40c1396095b1b36b18139c3 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e89c6925c72e1a7ed7cdf5b9cd5d44cd4b949efe0c61450c8899d52fae146d6e run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: task hung in f2fs_issue_checkpoint run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: task hung in f2fs_issue_checkpoint run #13: crashed: INFO: task hung in f2fs_issue_checkpoint run #14: crashed: INFO: task hung in f2fs_issue_checkpoint run #15: crashed: INFO: task hung in iterate_supers run #16: crashed: INFO: task hung in f2fs_issue_checkpoint run #17: crashed: INFO: task hung in f2fs_issue_checkpoint run #18: crashed: INFO: task hung in f2fs_issue_checkpoint run #19: crashed: INFO: task hung in f2fs_issue_checkpoint testing current HEAD f2afccfefe7be1f7346564fe619277110d341f9b testing commit f2afccfefe7be1f7346564fe619277110d341f9b gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0484dbeabe99bb3c9feb8fe4b3b4473a9a58ea9df206ac7bd86abf20cfb923d1 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #2: crashed: INFO: task hung in f2fs_issue_checkpoint run #3: crashed: INFO: task hung in f2fs_issue_checkpoint run #4: crashed: INFO: task hung in f2fs_issue_checkpoint run #5: crashed: INFO: task hung in f2fs_issue_checkpoint run #6: crashed: INFO: task hung in f2fs_issue_checkpoint run #7: crashed: INFO: task hung in f2fs_issue_checkpoint run #8: OK run #9: OK revisions tested: 2, total time: 49m8.375963791s (build: 29m48.793861354s, test: 17m38.359684202s) the crash still happens on HEAD commit msg: Merge tag 'net-6.3-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net crash: INFO: task hung in f2fs_issue_checkpoint INFO: task syz-executor.4:21370 blocked for more than 143 seconds. Not tainted 6.3.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:27080 pid:21370 ppid:5489 flags:0x00004004 Call Trace: __schedule+0x16dd/0x45d0 schedule+0xc3/0x180 schedule_timeout+0x84/0x2c0 do_wait_for_common+0x449/0x5f0 wait_for_completion+0x4a/0x60 f2fs_issue_checkpoint+0x296/0x420 iterate_supers+0x108/0x1a0 ksys_sync+0xd6/0x1a0 __do_sys_sync+0x9/0x10 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc77ce8b5a9 RSP: 002b:00007fc77dcad168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007fc77cfabf80 RCX: 00007fc77ce8b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fc77cee67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc361d17ef R14: 00007fc77dcad300 R15: 0000000000022000 INFO: task syz-executor.4:21377 blocked for more than 145 seconds. Not tainted 6.3.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:27656 pid:21377 ppid:5489 flags:0x00004004 Call Trace: __schedule+0x16dd/0x45d0 schedule+0xc3/0x180 schedule_timeout+0x84/0x2c0 do_wait_for_common+0x449/0x5f0 wait_for_completion+0x4a/0x60 f2fs_issue_checkpoint+0x296/0x420 iterate_supers+0x108/0x1a0 ksys_sync+0xd6/0x1a0 __do_sys_sync+0x9/0x10 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc77ce8b5a9 RSP: 002b:00007fc77dc8c168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007fc77cfac050 RCX: 00007fc77ce8b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fc77cee67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc361d17ef R14: 00007fc77dc8c300 R15: 0000000000022000 INFO: task syz-executor.2:21378 blocked for more than 146 seconds. Not tainted 6.3.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:26296 pid:21378 ppid:5485 flags:0x00004004 Call Trace: __schedule+0x16dd/0x45d0 schedule+0xc3/0x180 schedule_timeout+0x84/0x2c0 do_wait_for_common+0x449/0x5f0 wait_for_completion+0x4a/0x60 f2fs_issue_checkpoint+0x296/0x420 iterate_supers+0x108/0x1a0 ksys_sync+0xd6/0x1a0 __do_sys_sync+0x9/0x10 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff8c648b5a9 RSP: 002b:00007ff8c71bd168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007ff8c65ac050 RCX: 00007ff8c648b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ff8c64e67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8ad3a60f R14: 00007ff8c71bd300 R15: 0000000000022000 INFO: task syz-executor.2:21386 blocked for more than 146 seconds. Not tainted 6.3.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:27352 pid:21386 ppid:5485 flags:0x00004004 Call Trace: __schedule+0x16dd/0x45d0 schedule+0xc3/0x180 schedule_timeout+0x84/0x2c0 do_wait_for_common+0x449/0x5f0 wait_for_completion+0x4a/0x60 f2fs_issue_checkpoint+0x296/0x420 iterate_supers+0x108/0x1a0 ksys_sync+0xd6/0x1a0 __do_sys_sync+0x9/0x10 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff8c648b5a9 RSP: 002b:00007ff8c719c168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007ff8c65ac120 RCX: 00007ff8c648b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ff8c64e67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8ad3a60f R14: 00007ff8c719c300 R15: 0000000000022000 INFO: task syz-executor.1:21382 blocked for more than 149 seconds. Not tainted 6.3.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27656 pid:21382 ppid:5492 flags:0x00004004 Call Trace: __schedule+0x16dd/0x45d0 schedule+0xc3/0x180 schedule_timeout+0x84/0x2c0 do_wait_for_common+0x449/0x5f0 wait_for_completion+0x4a/0x60 f2fs_issue_checkpoint+0x296/0x420 iterate_supers+0x108/0x1a0 ksys_sync+0xd6/0x1a0 __do_sys_sync+0x9/0x10 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7facdf08b5a9 RSP: 002b:00007facde3dd168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007facdf1ac050 RCX: 00007facdf08b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007facdf0e67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdf821faef R14: 00007facde3dd300 R15: 0000000000022000 INFO: task syz-executor.1:21389 blocked for more than 149 seconds. Not tainted 6.3.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27656 pid:21389 ppid:5492 flags:0x00004004 Call Trace: __schedule+0x16dd/0x45d0 schedule+0xc3/0x180 schedule_timeout+0x84/0x2c0 do_wait_for_common+0x449/0x5f0 wait_for_completion+0x4a/0x60 f2fs_issue_checkpoint+0x296/0x420 iterate_supers+0x108/0x1a0 ksys_sync+0xd6/0x1a0 __do_sys_sync+0x9/0x10 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7facdf08b5a9 RSP: 002b:00007facde3bc168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007facdf1ac120 RCX: 00007facdf08b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007facdf0e67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdf821faef R14: 00007facde3bc300 R15: 0000000000022000 INFO: task syz-executor.3:21393 blocked for more than 150 seconds. Not tainted 6.3.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27656 pid:21393 ppid:5490 flags:0x00004004 Call Trace: __schedule+0x16dd/0x45d0 schedule+0xc3/0x180 schedule_timeout+0x84/0x2c0 do_wait_for_common+0x449/0x5f0 wait_for_completion+0x4a/0x60 f2fs_issue_checkpoint+0x296/0x420 iterate_supers+0x108/0x1a0 ksys_sync+0xd6/0x1a0 __do_sys_sync+0x9/0x10 do_syscall_64+0x41/0xc0 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f04d5e8b5a9 RSP: 002b:00007f04d6b08168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f04d5fac050 RCX: 00007f04d5e8b5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f04d5ee67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc3f99053f R14: 00007f04d6b08300 R15: 0000000000022000 INFO: task syz-executor.3:21398 blocked for more than 152 seconds. Not tainted 6.3.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27656 pid:21398 ppid:5490 flags:0x00004004 Call Trace: __schedule+0x16dd/0x45d0 schedule+0xc3/0x180 schedule_timeout+0x84/0x2c0 do_wait_for_common+0x449/0x5f0 wait_for_completion+0x4a/0x60 f2fs_issue_checkpoint+0x296/0x420