UBSAN: array-index-out-of-bounds in decode

Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported
KASAN: slab-out-of-bounds Write in decode_data hams	C	done	error	7	1448d	1603d

done

error

1448d

1603d

Title	Replies (including bot)	Last reply
UBSAN: array-index-out-of-bounds in decode_data	1 (3)	2021/01/22 07:23

Title

Replies (including bot)

Last reply

UBSAN: array-index-out-of-bounds in decode_data

1 (3)

2021/01/22 07:23


Created	Duration	User	Repo	Result
2021/07/13 17:45	33m	bisect fix	upstream	job log (0) log
2021/06/13 17:14	31m	bisect fix	upstream	job log (0) log
2021/05/14 01:04	31m	bisect fix	upstream	job log (0) log
2021/04/13 03:20	30m	bisect fix	upstream	job log (0) log
2021/03/13 11:25	29m	bisect fix	upstream	job log (0) log

================================================================================ UBSAN: array-index-out-of-bounds in drivers/net/hamradio/6pack.c:845:16 index 400 is out of range for type 'unsigned char [400]' CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.11.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound flush_to_ldisc Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:120 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148 __ubsan_handle_out_of_bounds.cold+0x62/0x6c lib/ubsan.c:356 decode_data.part.0+0x2c8/0x2e0 drivers/net/hamradio/6pack.c:845 decode_data drivers/net/hamradio/6pack.c:965 [inline] sixpack_decode drivers/net/hamradio/6pack.c:968 [inline] sixpack_receive_buf drivers/net/hamradio/6pack.c:458 [inline] sixpack_receive_buf+0xd8c/0x1320 drivers/net/hamradio/6pack.c:435 tty_ldisc_receive_buf+0x14a/0x190 drivers/tty/tty_buffer.c:465 tty_port_default_receive_buf+0x6e/0xa0 drivers/tty/tty_port.c:38 receive_buf drivers/tty/tty_buffer.c:481 [inline] flush_to_ldisc+0x20d/0x380 drivers/tty/tty_buffer.c:533 process_one_work+0x98d/0x15f0 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 ================================================================================ Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.11.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound flush_to_ldisc Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:120 panic+0x306/0x73d kernel/panic.c:231 ubsan_epilogue+0x54/0x5a lib/ubsan.c:162 __ubsan_handle_out_of_bounds.cold+0x62/0x6c lib/ubsan.c:356 decode_data.part.0+0x2c8/0x2e0 drivers/net/hamradio/6pack.c:845 decode_data drivers/net/hamradio/6pack.c:965 [inline] sixpack_decode drivers/net/hamradio/6pack.c:968 [inline] sixpack_receive_buf drivers/net/hamradio/6pack.c:458 [inline] sixpack_receive_buf+0xd8c/0x1320 drivers/net/hamradio/6pack.c:435 tty_ldisc_receive_buf+0x14a/0x190 drivers/tty/tty_buffer.c:465 tty_port_default_receive_buf+0x6e/0xa0 drivers/tty/tty_port.c:38 receive_buf drivers/tty/tty_buffer.c:481 [inline] flush_to_ldisc+0x20d/0x380 drivers/tty/tty_buffer.c:533 process_one_work+0x98d/0x15f0 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 Kernel Offset: disabled Rebooting in 86400 seconds..

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2021/01/21 18:30	upstream	9791581c049c	d4f4eca5	.config	console log	report	syz				ci-upstream-kasan-gce-selinux-root	UBSAN: array-index-out-of-bounds in decode_data
2021/01/21 17:11	upstream	9791581c049c	d4f4eca5	.config	console log	report			info		ci-upstream-kasan-gce-selinux-root	UBSAN: array-index-out-of-bounds in decode_data

Crashes (2):

Assets (help?)