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possible deadlock

Status: auto-closed as invalid on 2019/02/22 12:31
First crash: 2499d, last: 2498d
Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream possible deadlock (3) C 2 2519d 2519d 0/28 closed as invalid on 2018/01/10 08:57
android-49 possible deadlock 11 2493d 2536d 0/3 auto-closed as invalid on 2019/02/22 14:55
upstream possible deadlock (2) crypto 2 2547d 2549d 3/28 fixed on 2018/01/03 02:35
upstream possible deadlock (4) C 19 2496d 2514d 0/28 closed as dup on 2018/01/15 08:48
upstream possible deadlock 1 2572d 2572d 0/28 closed as invalid on 2017/11/18 10:19

Sample crash report:
binder: 6224:6233 transaction failed 29201/-71, size 0-0 line 2921
binder: undelivered TRANSACTION_ERROR: 29201
binder: undelivered TRANSACTION_ERROR: 29201

======================================================
[ INFO: possible circular locking dependency detected ]
4.4.114-gfe09418 #3 Not tainted
-------------------------------------------------------
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 6260 Comm: syz-executor1 Not tainted 4.4.114-gfe09418 #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c82d0000 task.stack: ffff8801c7760000
RIP: 0010:[<ffffffff81433db1>]  [<ffffffff81433db1>] __read_once_size include/linux/compiler.h:218 [inline]
RIP: 0010:[<ffffffff81433db1>]  [<ffffffff81433db1>] atomic_read arch/x86/include/asm/atomic.h:27 [inline]
RIP: 0010:[<ffffffff81433db1>]  [<ffffffff81433db1>] put_page_testzero include/linux/mm.h:357 [inline]
RIP: 0010:[<ffffffff81433db1>]  [<ffffffff81433db1>] __free_pages+0x21/0x90 mm/page_alloc.c:3365
RSP: 0018:ffff8801c7767a40  EFLAGS: 00010a07
RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff825b775b
RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c
RBP: ffff8801c7767a50 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 1ffff10038eecf26 R12: 0000000000000004
R13: 0000000000000020 R14: ffff8800bacba100 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000f6ff0b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000201eb000 CR3: 00000001d137c000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff83774029 ffff8800bacba258 ffff8801c7767ab0 ffffffff825b7781
 ffff8800bacba270 ffffed001759744b ffffed001759744e ffff8800bacba268
 dead4ead00000000 ffff8800bacba240 0000000000000000 0000000000000000
Call Trace:
 [<ffffffff825b7781>] sg_remove_scat.isra.17+0x1c1/0x2d0 drivers/scsi/sg.c:1954
 [<ffffffff825b7b45>] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1835
 [<ffffffff825b7f06>] sg_new_read.isra.18+0x336/0x3c0 drivers/scsi/sg.c:577
 [<ffffffff825b986c>] sg_read+0x8bc/0x1490 drivers/scsi/sg.c:466
 [<ffffffff8151c333>] __vfs_read+0x103/0x440 fs/read_write.c:432
 [<ffffffff8151e1d3>] vfs_read+0x123/0x3a0 fs/read_write.c:454
 [<ffffffff81520b19>] SYSC_read fs/read_write.c:569 [inline]
 [<ffffffff81520b19>] SyS_read+0xd9/0x1b0 fs/read_write.c:562
 [<ffffffff81006d74>] do_syscall_32_irqs_on arch/x86/entry/common.c:390 [inline]
 [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890 arch/x86/entry/common.c:457
 [<ffffffff83774daa>] sysenter_flags_fixed+0xd/0x17
Code: c6 9f 0c 00 e9 78 fd ff ff 90 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 49 
RIP  [<ffffffff81433db1>] __read_once_size include/linux/compiler.h:218 [inline]
RIP  [<ffffffff81433db1>] atomic_read arch/x86/include/asm/atomic.h:27 [inline]
RIP  [<ffffffff81433db1>] put_page_testzero include/linux/mm.h:357 [inline]
RIP  [<ffffffff81433db1>] __free_pages+0x21/0x90 mm/page_alloc.c:3365
 RSP <ffff8801c7767a40>
---[ end trace 42afbbc263a97a8a ]---

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/01/31 15:32 https://android.googlesource.com/kernel/common android-4.4 fe09418d6f88 02553e22 .config console log report ci-android-44-kasan-gce-386
2018/01/31 03:48 https://android.googlesource.com/kernel/common android-4.4 962d1f3fe2f4 02553e22 .config console log report ci-android-44-kasan-gce-386
2018/01/30 08:18 https://android.googlesource.com/kernel/common android-4.4 962d1f3fe2f4 08d47756 .config console log report ci-android-44-kasan-gce-386
* Struck through repros no longer work on HEAD.