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BUG: KASAN: vmalloc-out-of-bounds in i801_isr_byte_done drivers/i2c/busses/i2c-i801.c:593 [inline]
BUG: KASAN: vmalloc-out-of-bounds in i801_isr drivers/i2c/busses/i2c-i801.c:664 [inline]
BUG: KASAN: vmalloc-out-of-bounds in i801_isr+0xb2d/0xbf0 drivers/i2c/busses/i2c-i801.c:645
Write of size 1 at addr ffffc900044d7dc4 by task kauditd/39

CPU: 3 PID: 39 Comm: kauditd Not tainted 5.9.0-rc5-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x198/0x1fd lib/dump_stack.c:118
 print_address_description.constprop.0.cold+0x5/0x497 mm/kasan/report.c:383
 __kasan_report mm/kasan/report.c:513 [inline]
 kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530
 i801_isr_byte_done drivers/i2c/busses/i2c-i801.c:593 [inline]
 i801_isr drivers/i2c/busses/i2c-i801.c:664 [inline]
 i801_isr+0xb2d/0xbf0 drivers/i2c/busses/i2c-i801.c:645
 __handle_irq_event_percpu+0x223/0xaa0 kernel/irq/handle.c:156
 handle_irq_event_percpu kernel/irq/handle.c:196 [inline]
 handle_irq_event+0x102/0x285 kernel/irq/handle.c:213
 handle_fasteoi_irq+0x22f/0x9f0 kernel/irq/chip.c:714
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:50 [inline]
 handle_irq arch/x86/kernel/irq.c:230 [inline]
 __common_interrupt arch/x86/kernel/irq.c:249 [inline]
 common_interrupt+0x96/0x1f0 arch/x86/kernel/irq.c:239
 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:572
RIP: 0010:__do_softirq+0x1ba/0xa91 kernel/softirq.c:284
Code: c7 c0 58 3c b6 89 48 c1 e8 03 42 80 3c 30 00 0f 85 ea 07 00 00 48 83 3d ab 3a 96 01 00 0f 84 b7 06 00 00 fb 66 0f 1f 44 00 00 <48> c7 44 24 08 c0 90 a0 89 b8 ff ff ff ff 0f bc 04 24 83 c0 01 89
RSP: 0018:ffffc90000598f70 EFLAGS: 00000286
RAX: 1ffffffff136c78b RBX: ffff88802beb8b00 RCX: 1ffffffff1564571
RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000000
RBP: ffffc90000667ac0 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
 do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x235/0x280 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline]
RIP: 0010:console_unlock+0xabc/0xe60 kernel/printk/printk.c:2505
Code: ff df 48 c1 e8 03 80 3c 10 00 0f 85 60 03 00 00 48 83 3d ce f8 58 08 00 0f 84 81 02 00 00 e8 5b 0a 17 00 48 8b 7c 24 30 57 9d <0f> 1f 44 00 00 e9 cb fe ff ff e8 45 0a 17 00 44 89 ea 48 c7 c6 a0
RSP: 0018:ffffc90000667bc0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 1ffffffff1564571
RDX: ffff88802beb8b00 RSI: ffffffff815d4385 RDI: 0000000000000293
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff84c2a060
R13: 000000000000011b R14: ffffffff8a3cb4b0 R15: dffffc0000000000
 vprintk_emit+0x2ff/0x740 kernel/printk/printk.c:2029
 vprintk_func+0x8f/0x1a6 kernel/printk/printk_safe.c:393
 printk+0xba/0xed kernel/printk/printk.c:2078
 kauditd_printk_skb kernel/audit.c:538 [inline]
 kauditd_hold_skb.cold+0x41/0x50 kernel/audit.c:571
 kauditd_send_queue+0x19d/0x210 kernel/audit.c:734
 kauditd_thread+0x7e7/0xb70 kernel/audit.c:860
 kthread+0x3b5/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294


Memory state around the buggy address:
 ffffc900044d7c80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc900044d7d00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc900044d7d80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                                           ^
 ffffc900044d7e00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc900044d7e80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
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