ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 Allocated: [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 Allocated: ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Object at ffff8801cee9c480, in cache fasync_cache size: 96 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 >ffff8801cee9c480: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 ^ sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 Read of size 4 by task syz-executor3/6758 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 Allocated: sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc Read of size 4 by task syz-executor3/6758 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Read of size 4 by task syz-executor3/6758 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 Call Trace: [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 ffff8801cee9c380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ Read of size 4 by task syz-executor3/6758 Read of size 4 by task syz-executor3/6758 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 ================================================================== Call Trace: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Read of size 4 by task syz-executor3/6758 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 Read of size 4 by task syz-executor3/6758 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 ================================================================== ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== Read of size 4 by task syz-executor3/6758 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Allocated: ================================================================== Read of size 4 by task syz-executor3/6758 ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc Read of size 4 by task syz-executor3/6758 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 ================================================================== ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc entry_SYSCALL_64_fastpath+0x23/0xc6 Read of size 4 by task syz-executor3/6758 ^ Read of size 4 by task syz-executor3/6758 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 Read of size 4 by task syz-executor3/6758 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== Read of size 4 by task syz-executor3/6758 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ================================================================== [] vfs_readv+0x84/0xc0 fs/read_write.c:898 ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== Read of size 4 by task syz-executor3/6758 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 Read of size 4 by task syz-executor3/6758 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Read of size 4 by task syz-executor3/6758 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 [] entry_SYSCALL_64_fastpath+0x23/0xc6 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 [] do_readv+0xe6/0x250 fs/read_write.c:924 ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] do_readv+0xe6/0x250 fs/read_write.c:924 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 Object at ffff8801cee9c480, in cache fasync_cache size: 96 ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 Read of size 4 by task syz-executor3/6758 ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Allocated: ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc entry_SYSCALL_64_fastpath+0x23/0xc6 Read of size 4 by task syz-executor3/6758 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 Read of size 4 by task syz-executor3/6758 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 ^ ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 >ffff8801cee9c480: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== >ffff8801cee9c480: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc entry_SYSCALL_64_fastpath+0x23/0xc6 Read of size 4 by task syz-executor3/6758 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc entry_SYSCALL_64_fastpath+0x23/0xc6 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 (stack is not available) ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc entry_SYSCALL_64_fastpath+0x23/0xc6 Read of size 4 by task syz-executor3/6758 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc Object at ffff8801cee9c480, in cache fasync_cache size: 96 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 Read of size 4 by task syz-executor3/6758 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 ================================================================== [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ^ ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Read of size 4 by task syz-executor3/6758 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 Allocated: Allocated: ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 >ffff8801cee9c480: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 Read of size 4 by task syz-executor3/6758 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Allocated: ================================================================== Freed: ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 entry_SYSCALL_64_fastpath+0x23/0xc6 CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 entry_SYSCALL_64_fastpath+0x23/0xc6 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 Read of size 4 by task syz-executor3/6758 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ================================================================== [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 entry_SYSCALL_64_fastpath+0x23/0xc6 CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 Read of size 4 by task syz-executor3/6758 PID = 0 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Allocated: [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 >ffff8801cee9c480: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Allocated: ================================================================== Allocated: ================================================================== slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ================================================================== ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 Read of size 4 by task syz-executor3/6758 ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 Call Trace: [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 entry_SYSCALL_64_fastpath+0x23/0xc6 Read of size 4 by task syz-executor3/6758 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 >ffff8801cee9c480: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 ================================================================== slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 Allocated: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 Read of size 4 by task syz-executor3/6758 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 ^ ================================================================== Read of size 4 by task syz-executor3/6758 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== ================================================================== ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 Allocated: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc Read of size 4 by task syz-executor3/6758 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ^ BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 >ffff8801cee9c480: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ^ ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== >ffff8801cee9c480: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc >ffff8801cee9c480: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 Allocated: [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 Call Trace: [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 Allocated: ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 >ffff8801cee9c480: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 CPU: 0 PID: 6758 Comm: syz-executor3 Tainted: G B 4.9.70-g9542d2a #109 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 >ffff8801cee9c480: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 ^ ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: Read of size 4 by task syz-executor3/6758 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 Allocated: ================================================================== [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Read of size 4 by task syz-executor3/6758 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc save_stack+0x43/0xd0 mm/kasan/kasan.c:495 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 Call Trace: ================================================================== Read of size 4 by task syz-executor3/6758 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 ================================================================== entry_SYSCALL_64_fastpath+0x23/0xc6 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 Read of size 4 by task syz-executor3/6758 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ffff8801cee9c580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801d0aef8b0 ffffffff81d90a29 ffff8801d77ff780 ffff8801cee9c480 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 Object at ffff8801cee9c480, in cache fasync_cache size: 96 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 Allocated: ================================================================== ================================================================== entry_SYSCALL_64_fastpath+0x23/0xc6 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffffffff8153a45c ffffed0039dd389c ffff8801d77ff780 0000000000000000 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 ================================================================== ================================================================== ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 entry_SYSCALL_64_fastpath+0x23/0xc6 Read of size 4 by task syz-executor3/6758 ffff8801cee9c400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ^ ^ ffff8801cee9c500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cee9c4e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cee9c4e4 ffff8801cee9c4e0 ffffed0039dd389c ffff8801cee9c4e4 ffff8801d0aef8d8 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_readv+0xe6/0x250 fs/read_write.c:924 Read of size 4 by task syz-executor3/6758 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [