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BUG: KASAN: out-of-bounds in i801_isr_byte_done drivers/i2c/busses/i2c-i801.c:608 [inline]
BUG: KASAN: out-of-bounds in i801_isr drivers/i2c/busses/i2c-i801.c:668 [inline]
BUG: KASAN: out-of-bounds in i801_isr+0xc70/0xd60 drivers/i2c/busses/i2c-i801.c:649
Read of size 1 at addr ffffc90001907d5a by task systemd-udevd/5037
CPU: 2 PID: 5037 Comm: systemd-udevd Not tainted 5.13.0-rc6-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x141/0x1d7 lib/dump_stack.c:120
print_address_description.constprop.0.cold+0x5/0x2f8 mm/kasan/report.c:233
__kasan_report mm/kasan/report.c:419 [inline]
kasan_report.cold+0x7c/0xd8 mm/kasan/report.c:436
i801_isr_byte_done drivers/i2c/busses/i2c-i801.c:608 [inline]
i801_isr drivers/i2c/busses/i2c-i801.c:668 [inline]
i801_isr+0xc70/0xd60 drivers/i2c/busses/i2c-i801.c:649
__handle_irq_event_percpu+0x303/0x8f0 kernel/irq/handle.c:156
handle_irq_event_percpu kernel/irq/handle.c:196 [inline]
handle_irq_event+0x102/0x290 kernel/irq/handle.c:213
handle_fasteoi_irq+0x22f/0x9f0 kernel/irq/chip.c:714
generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
handle_irq arch/x86/kernel/irq.c:231 [inline]
__common_interrupt+0x9e/0x200 arch/x86/kernel/irq.c:250
common_interrupt+0x4c/0xd0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__do_softirq+0x196/0x9f6 kernel/softirq.c:545
Code: 00 48 01 f0 48 89 44 24 18 48 c7 c7 20 55 6a 89 e8 cf a8 d6 ff 65 66 c7 05 b5 4a c3 76 00 00 e8 20 ea 3a f8 fb b8 ff ff ff ff <48> c7 c3 c0 a0 c0 8b 41 0f bc c5 41 89 c7 41 83 c7 01 75 47 e9 d2
RSP: 0018:ffffc90000550f70 EFLAGS: 00000202
RAX: 00000000ffffffff RBX: ffff888014d78000 RCX: 1ffffffff1b925b9
RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000000
RBP: ffff888011ad1c40 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817aebe8 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000100 R14: 0000000000000000 R15: 0000000000000000
invoke_softirq kernel/softirq.c:433 [inline]
__irq_exit_rcu+0x136/0x200 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647
RIP: 0010:__sanitizer_cov_trace_switch+0xbd/0xf0 kernel/kcov.c:321
Code: 48 83 c2 01 48 89 5c 30 e0 48 89 6c 30 e8 4c 89 5c 30 f0 4e 89 4c e8 20 48 89 10 48 83 c1 01 49 39 ca 75 95 5b 5d 41 5c 41 5d 48 83 f8 40 bb 07 00 00 00 0f 84 6c ff ff ff 5b 5d 41 5c 41 5d
RSP: 0018:ffffc90000d77900 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000007
RDX: 0000000000000000 RSI: ffff888014d78000 RDI: 0000000000000003
RBP: ffff888016657880 R08: ffffffff89bbe5c0 R09: ffffffff8398a4a9
R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000017 R14: dffffc0000000000 R15: 0000000000000000
tomoyo_domain_quota_is_ok+0x1c9/0x550 security/tomoyo/util.c:1066
tomoyo_supervisor+0x2f2/0xf00 security/tomoyo/common.c:2089
tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
tomoyo_path_permission security/tomoyo/file.c:587 [inline]
tomoyo_path_permission+0x270/0x3a0 security/tomoyo/file.c:573
tomoyo_path_perm+0x2f0/0x400 security/tomoyo/file.c:838
security_inode_getattr+0xcf/0x140 security/security.c:1332
vfs_getattr fs/stat.c:139 [inline]
vfs_fstat+0x43/0xb0 fs/stat.c:164
__do_sys_newfstat+0x81/0x100 fs/stat.c:404
do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f159d6412e2
Code: 48 8b 05 b9 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 77 33 48 63 fe b8 05 00 00 00 48 89 d6 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 8b 15 81 db 2b 00 f7
RSP: 002b:00007ffd533e5cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000005
RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f159d6412e2
RDX: 00007ffd533e5d00 RSI: 00007ffd533e5d00 RDI: 0000000000000011
RBP: 00007f159e7cf710 R08: 00005587415c7d90 R09: 0000000000001010
R10: 00007f159d8ffb58 R11: 0000000000000246 R12: 0000000000000000
R13: 00005587415ce8e0 R14: 00000000000000fd R15: 00005587415ce8e0
Memory state around the buggy address:
ffffc90001907c00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90001907c80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc90001907d00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
^
ffffc90001907d80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
ffffc90001907e00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
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