ci starts bisection 2023-06-03 02:06:42.500162876 +0000 UTC m=+129955.998117430
bisecting fixing commit since 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c
building syzkaller on 9da18ae8fa827d046ef8da48cc23c97418553c23
ensuring issue is reproducible on original commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c
testing commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ea4d11aa82d8197fff6ca426cf98528a98eb2649ede781e3e2d94c1a8b5de208
all runs: crashed: INFO: task hung in blkdev_fallocate
testing current HEAD 4ecd704a4c51fd95973fcc3a60444e0e24eb9439
testing commit 4ecd704a4c51fd95973fcc3a60444e0e24eb9439 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 5537e685cd623a28bd1b3f65b11d712f92dec7e2a63fd80863329c70701ffc74
all runs: crashed: INFO: task hung in blkdev_fallocate
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 31m0.289223762s (build: 18m28.387383337s, test: 11m46.873138745s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: tpm, tpm_tis: correct tpm_tis_flags enumeration values
crash: INFO: task hung in blkdev_fallocate
INFO: task syz-executor.0:5426 blocked for more than 143 seconds.
Not tainted 6.4.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27800 pid:5426 ppid:5333 flags:0x00004004
Call Trace:
__schedule+0x1859/0x48c0
schedule+0xc3/0x180
schedule_preempt_disabled+0x13/0x20
rwsem_down_write_slowpath+0xedd/0x13a0
__down_write_common+0x1aa/0x200
blkdev_fallocate+0x1a5/0x2e0
vfs_fallocate+0x3ae/0x530
do_madvise+0x1428/0x35d0
__x64_sys_madvise+0xa0/0xb0
do_syscall_64+0x41/0xc0
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f915808c0a9
RSP: 002b:00007f91573dd168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f91581ac050 RCX: 00007f915808c0a9
RDX: 0000000000000009 RSI: 0000000000600003 RDI: 0000000020000000
RBP: 00007f91580e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff71045c3f R14: 00007f91573dd300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/13:
#0: ffffffff8bf18bd0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20
1 lock held by rcu_tasks_trace/14:
#0: ffffffff8bf18f90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20
1 lock held by khungtaskd/28:
#0: ffffffff8bf18a00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/4732:
#0: ffff88802aea1098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x60
#1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ed/0x1880
2 locks held by syz-executor.0/5423:
1 lock held by syz-executor.0/5426:
#0: ffff888144d888b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1a5/0x2e0
1 lock held by syz-executor.0/5722:
#0: ffff888144d888b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x10f/0x650
1 lock held by syz-executor.0/5723:
#0: ffff888144d888b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1a5/0x2e0
1 lock held by syz-executor.0/5739:
#0: ffff888144d888b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x10f/0x650
1 lock held by syz-executor.0/5740:
#0: ffff888144d888b0 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x1a5/0x2e0
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
dump_stack_lvl+0x167/0x220
nmi_cpu_backtrace+0x34f/0x380
nmi_trigger_cpumask_backtrace+0x103/0x1f0
watchdog+0xa7c/0xac0
kthread+0x276/0x2f0
ret_from_fork+0x1f/0x30
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2856 Comm: kworker/u4:7 Not tainted 6.4.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:check_preemption_disabled+0x4b/0x110
Code: 8b 05 a1 aa 5e 76 a9 ff ff ff 7f 74 22 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 c7 00 00 00 89 d8 48 83 c4 10 5b 41 5c <41> 5e 41 5f c3 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02
RSP: 0018:ffffc9000bfc7bc8 EFLAGS: 00000286
RAX: 0000000000000001 RBX: ffff88805c3d9a70 RCX: ffff888027bad940
RDX: dffffc0000000000 RSI: ffffffff8a3823e0 RDI: ffffffff8a3823a0
RBP: ffff88805bc14c80 R08: dffffc0000000000 R09: fffffbfff1e0a039
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888072ec8690
R13: dffffc0000000000 R14: 000000000000034e R15: ffff888072ec8680
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555564e0848 CR3: 0000000028727000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_is_watching+0x15/0xb0
batadv_nc_worker+0xc2/0x4b0
process_one_work+0x797/0xe20
worker_thread+0x8c9/0xfd0
kthread+0x276/0x2f0
ret_from_fork+0x1f/0x30