syzbot


INFO: trying to register non-static key in devres_for_each_res

Status: auto-closed as invalid on 2022/05/11 23:24
Reported-by: syzbot+0c21b3d35c96f317eb4a@syzkaller.appspotmail.com
First crash: 807d, last: 807d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 INFO: trying to register non-static key in devres_for_each_res 1 1418d 1418d 0/1 auto-closed as invalid on 2020/09/07 23:32

Sample crash report:
INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 1 PID: 1262 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 assign_lock_key kernel/locking/lockdep.c:728 [inline]
 register_lock_class+0xe82/0x11c0 kernel/locking/lockdep.c:754
 __lock_acquire+0x17d/0x3ff0 kernel/locking/lockdep.c:3304
 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:152
 devres_for_each_res drivers/base/devres.c:186 [inline]
 devres_for_each_res+0x51/0x1c0 drivers/base/devres.c:174
 dev_cache_fw_image+0x9f/0x460 drivers/base/firmware_loader/main.c:1038
 dpm_for_each_dev drivers/base/power/main.c:2126 [inline]
 dpm_for_each_dev+0x56/0xb0 drivers/base/power/main.c:2117
 device_cache_fw_images drivers/base/firmware_loader/main.c:1106 [inline]
 fw_pm_notify+0xd9/0x130 drivers/base/firmware_loader/main.c:1157
 notifier_call_chain+0xc0/0x230 kernel/notifier.c:93
 __blocking_notifier_call_chain kernel/notifier.c:317 [inline]
 __blocking_notifier_call_chain+0x97/0xb0 kernel/notifier.c:304
 __pm_notifier_call_chain+0x2c/0x60 kernel/power/main.c:74
 snapshot_open+0x33d/0x4a0 kernel/power/user.c:89
 misc_open+0x372/0x4a0 drivers/char/misc.c:141
 chrdev_open+0x266/0x770 fs/char_dev.c:423
 do_dentry_open+0x4aa/0x1160 fs/open.c:796
 do_last fs/namei.c:3421 [inline]
 path_openat+0x793/0x2df0 fs/namei.c:3537
 do_filp_open+0x18c/0x3f0 fs/namei.c:3567
 do_sys_open+0x3b3/0x520 fs/open.c:1085
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7efe36b44eb9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efe354ba168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007efe36c57f60 RCX: 00007efe36b44eb9
RDX: 0000000000020601 RSI: 00000000200003c0 RDI: ffffffffffffff9c
RBP: 00007efe36b9f08d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc031019f R14: 00007efe354ba300 R15: 0000000000022000
PM: Marking nosave pages: [mem 0x00000000-0x00000fff]
PM: Marking nosave pages: [mem 0x0009f000-0x000fffff]
PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff]
PM: Basic memory bitmaps created
PM: Basic memory bitmaps freed
PM: Marking nosave pages: [mem 0x00000000-0x00000fff]
PM: Marking nosave pages: [mem 0x0009f000-0x000fffff]
PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff]
PM: Basic memory bitmaps created
Restarting kernel threads ... done.
PM: Basic memory bitmaps freed
PM: Marking nosave pages: [mem 0x00000000-0x00000fff]
PM: Marking nosave pages: [mem 0x0009f000-0x000fffff]
PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff]
PM: Basic memory bitmaps created
PM: Basic memory bitmaps freed
PM: Marking nosave pages: [mem 0x00000000-0x00000fff]
PM: Marking nosave pages: [mem 0x0009f000-0x000fffff]
PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff]
PM: Basic memory bitmaps created
PM: Basic memory bitmaps freed
snd_dummy snd_dummy.0: control 0:0:117440512:syz1:0 is already present
snd_dummy snd_dummy.0: control 0:0:117440512:syz1:0 is already present
blktrace: Concurrent blktraces are not allowed on loop7
snd_dummy snd_dummy.0: control 0:0:117440512:syz1:0 is already present
print_req_error: 110 callbacks suppressed
print_req_error: I/O error, dev loop2, sector 0
print_req_error: I/O error, dev loop2, sector 264064
print_req_error: I/O error, dev loop2, sector 264064
buffer_io_error: 90 callbacks suppressed
Buffer I/O error on dev loop2p4, logical block 33008, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
Buffer I/O error on dev loop2p2, logical block 0, async page read
Buffer I/O error on dev loop2p2, logical block 0, async page read
snd_dummy snd_dummy.0: control 0:0:117440512:syz1:0 is already present
blktrace: Concurrent blktraces are not allowed on loop7
snd_dummy snd_dummy.0: control 0:0:117440512:syz1:0 is already present
snd_dummy snd_dummy.0: control 0:0:117440512:syz1:0 is already present
snd_dummy snd_dummy.0: control 0:0:117440512:syz1:0 is already present
blktrace: Concurrent blktraces are not allowed on loop7
blktrace: Concurrent blktraces are not allowed on loop7
Unknown ioctl -1006595045
delete_channel: no stack
delete_channel: no stack
delete_channel: no stack
snd_dummy snd_dummy.0: control 0:0:117440512:syz1:0 is already present
delete_channel: no stack
delete_channel: no stack
Unknown ioctl -1006595045
delete_channel: no stack
delete_channel: no stack
Unknown ioctl -1006595045
Unknown ioctl -1006595045
snd_dummy snd_dummy.0: control 0:0:117440512:syz1:0 is already present
Unknown ioctl -1006595045
Unknown ioctl -1006595045
Unknown ioctl -1006595045
IPVS: ftp: loaded support on port[0] = 21
print_req_error: 98 callbacks suppressed
print_req_error: I/O error, dev loop2, sector 0
print_req_error: I/O error, dev loop2, sector 0
buffer_io_error: 80 callbacks suppressed
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
print_req_error: I/O error, dev loop2, sector 264064
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 264064
Buffer I/O error on dev loop2p4, logical block 33008, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2p2, logical block 0, async page read
Buffer I/O error on dev loop2p2, logical block 0, async page read

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/01/11 23:24 linux-4.19.y 3f8a27f9e27b 44d1319a .config console log report info ci2-linux-4-19 INFO: trying to register non-static key in devres_for_each_res
* Struck through repros no longer work on HEAD.