Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 UID: 0 PID: 6343 Comm: syz.4.289 Not tainted syzkaller #0 PREEMPT(lazy)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:gb_operation_message_init drivers/greybus/operation.c:340 [inline]
RIP: 0010:gb_operation_message_alloc+0x186/0x2c0 drivers/greybus/operation.c:385
Code: 00 e8 ae 95 97 fb 41 80 fd 7f 0f 84 b9 00 00 00 e8 8f 9b 97 fb 48 89 ea 41 83 c4 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e b8 00 00 00 48 8d 7d 02 66 44
RSP: 0018:ffffc900001b89f0 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: ffff888113be2d80 RCX: ffffc90001231000
RDX: 0000000000000002 RSI: ffffffff861d82c1 RDI: ffff8881083c9e40
RBP: 0000000000000010 R08: 0000000000000001 R09: 000000000000007f
R10: 0000000000000000 R11: ffffffff822027de R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000800 R15: 0000000000000018
FS: 0000555574b6b500(0000) GS:ffff8882684d7000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c25d8d5 CR3: 0000000114656000 CR4: 00000000003506f0
Call Trace:
gb_operation_create_common+0x9f/0x710 drivers/greybus/operation.c:532
gb_operation_create_incoming drivers/greybus/operation.c:644 [inline]
gb_connection_recv_request drivers/greybus/operation.c:926 [inline]
gb_connection_recv+0x1dc/0x1050 drivers/greybus/operation.c:1063
greybus_data_rcvd+0x244/0x600 drivers/greybus/connection.c:89
cport_in_callback+0x1fb/0x280 drivers/greybus/es2.c:840
__usb_hcd_giveback_urb+0x38e/0x610 drivers/usb/core/hcd.c:1657
usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741
dummy_timer+0xdaf/0x3820 drivers/usb/gadget/udc/dummy_hcd.c:2023
__run_hrtimer kernel/time/hrtimer.c:2074 [inline]
__hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2131
hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2148
handle_softirqs+0x1d9/0x9b0 kernel/softirq.c:645
__do_softirq kernel/softirq.c:679 [inline]
invoke_softirq kernel/softirq.c:519 [inline]
__irq_exit_rcu+0x168/0x210 kernel/softirq.c:758
irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0x8f/0xb0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:221
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 b6 67 04 fa 48 89 df e8 3e be 04 fa f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 75 02 f7 f9 65 48 83 3d b4 0e 98 05 00 74 16 5b
RSP: 0018:ffffc9001497fa58 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8881f5728140 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff892df1e1 RDI: ffffffff87d2bd80
RBP: 0000000000000246 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000246
R13: ffffc9001497fce0 R14: 0000000000000000 R15: 0000000000000001
unlock_hrtimer_base kernel/time/hrtimer.c:1042 [inline]
hrtimer_start_range_ns_user+0x170/0x720 kernel/time/hrtimer.c:1629
hrtimer_start_expires_user include/linux/hrtimer.h:247 [inline]
hrtimer_sleeper_start_expires+0x67/0x170 kernel/time/hrtimer.c:2356
futex_do_wait+0x2f/0x180 kernel/futex/waitwake.c:374
__futex_wait+0x1c4/0x300 kernel/futex/waitwake.c:722
futex_wait+0xe6/0x370 kernel/futex/waitwake.c:750
do_futex+0x265/0x440 kernel/futex/syscalls.c:133
__do_sys_futex kernel/futex/syscalls.c:210 [inline]
__se_sys_futex kernel/futex/syscalls.c:191 [inline]
__x64_sys_futex+0x34f/0x4d0 kernel/futex/syscalls.c:191
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x119/0x710 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd3ef7fe1d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd34a31068 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00000000000345b3 RCX: 00007fd3ef7fe1d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd3efa85fac
RBP: 000000000000015e R08: 00007fd3f05c4000 R09: 0000000000000000
R10: 00007ffd34a31170 R11: 0000000000000246 R12: 00007ffd34a31190
R13: 00007fd3efa85fac R14: 0000000000034711 R15: 00007ffd34a31170
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gb_operation_message_init drivers/greybus/operation.c:340 [inline]
RIP: 0010:gb_operation_message_alloc+0x186/0x2c0 drivers/greybus/operation.c:385
Code: 00 e8 ae 95 97 fb 41 80 fd 7f 0f 84 b9 00 00 00 e8 8f 9b 97 fb 48 89 ea 41 83 c4 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 01 0f 8e b8 00 00 00 48 8d 7d 02 66 44
RSP: 0018:ffffc900001b89f0 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: ffff888113be2d80 RCX: ffffc90001231000
RDX: 0000000000000002 RSI: ffffffff861d82c1 RDI: ffff8881083c9e40
RBP: 0000000000000010 R08: 0000000000000001 R09: 000000000000007f
R10: 0000000000000000 R11: ffffffff822027de R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000800 R15: 0000000000000018
FS: 0000555574b6b500(0000) GS:ffff8882684d7000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c25d8d5 CR3: 0000000114656000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
0: 00 e8 add %ch,%al
2: ae scas %es:(%rdi),%al
3: 95 xchg %eax,%ebp
4: 97 xchg %eax,%edi
5: fb sti
6: 41 80 fd 7f cmp $0x7f,%r13b
a: 0f 84 b9 00 00 00 je 0xc9
10: e8 8f 9b 97 fb call 0xfb979ba4
15: 48 89 ea mov %rbp,%rdx
18: 41 83 c4 08 add $0x8,%r12d
1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
23: fc ff df
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction
2e: 84 c0 test %al,%al
30: 74 08 je 0x3a
32: 3c 01 cmp $0x1,%al
34: 0f 8e b8 00 00 00 jle 0xf2
3a: 48 8d 7d 02 lea 0x2(%rbp),%rdi
3e: 66 data16
3f: 44 rex.R