[] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] 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 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] 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 [] kernel_readv fs/splice.c:363 [inline] [] default_file_splice_read+0x43f/0x7a0 fs/splice.c:435 [] 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 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 Read of size 4 by task syz-executor0/30440 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 __do_softirq+0x206/0x951 kernel/softirq.c:284 fasync_free_rcu+0x1d/0x20 fs/fcntl.c:563 [] 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 of size 4 by task syz-executor0/30440 Call Trace: ffff8801da104f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc [] __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 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801da104f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc ffff8801da105060 ffffed003b420a0c ffff8801da105064 ffff8801c009f4b8 __do_softirq+0x206/0x951 kernel/softirq.c:284 [] 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 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801da104f00: fb fb fb fb fb fb fb fb fc fc fc fc fb fb fb fb BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor0/30440 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 ffff8801da104f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Read of size 4 by task syz-executor0/30440 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 ^ Object at ffff8801da105000, in cache fasync_cache size: 96 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 Read of size 4 by task syz-executor0/30440 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 ffff8801da105060 ffffed003b420a0c ffff8801da105064 ffff8801c009f4b8 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ Allocated: ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 fasync_free_rcu+0x1d/0x20 fs/fcntl.c:563 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 PID = 25348 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ^ PID = 25348 [] do_splice fs/splice.c:1192 [inline] [] SYSC_splice fs/splice.c:1416 [inline] [] SyS_splice+0xf5f/0x1520 fs/splice.c:1399 Freed: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] __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 [] 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_splice_to+0x10a/0x160 fs/splice.c:899 [] 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 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 __rcu_reclaim kernel/rcu/rcu.h:118 [inline] rcu_do_batch kernel/rcu/tree.c:2789 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline] rcu_process_callbacks+0x871/0x12c0 kernel/rcu/tree.c:3037 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ================================================================== Call Trace: ffff8801da104f00: fb fb fb fb fb fb fb fb fc fc fc fc fb fb fb fb [] 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 [] kernel_readv fs/splice.c:363 [inline] [] default_file_splice_read+0x43f/0x7a0 fs/splice.c:435 Call Trace: Read of size 4 by task syz-executor0/30440 [] 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 [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] 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 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] 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 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 ffff8801da105060 ffffed003b420a0c ffff8801da105064 ffff8801c009f4b8 Call Trace: slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 ================================================================== Call Trace: >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] 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 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 ffff8801da104f00: fb fb fb fb fb fb fb fb fc fc fc fc fb fb fb fb [] 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 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 ^ ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== ================================================================== [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 Call Trace: >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] 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 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ================================================================== [] 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 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801da104f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== __rcu_reclaim kernel/rcu/rcu.h:118 [inline] rcu_do_batch kernel/rcu/tree.c:2789 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline] rcu_process_callbacks+0x871/0x12c0 kernel/rcu/tree.c:3037 ^ [] do_splice fs/splice.c:1192 [inline] [] SYSC_splice fs/splice.c:1416 [inline] [] SyS_splice+0xf5f/0x1520 fs/splice.c:1399 [] 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 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 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 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 ================================================================== setfl fs/fcntl.c:70 [inline] do_fcntl fs/fcntl.c:267 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x658/0xc70 fs/fcntl.c:357 Read of size 4 by task syz-executor0/30440 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 Object at ffff8801da105000, in cache fasync_cache size: 96 >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Object at ffff8801da105000, in cache fasync_cache size: 96 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 Read of size 4 by task syz-executor0/30440 Read of size 4 by task syz-executor0/30440 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] vfs_readv+0x84/0xc0 fs/read_write.c:898 Allocated: Allocated: Allocated: kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== ================================================================== ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] vfs_readv+0x84/0xc0 fs/read_write.c:898 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffff8801da104f80: fb fb fb fb 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 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801da105000: 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 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 __rcu_reclaim kernel/rcu/rcu.h:118 [inline] rcu_do_batch kernel/rcu/tree.c:2789 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline] rcu_process_callbacks+0x871/0x12c0 kernel/rcu/tree.c:3037 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] 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_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Read of size 4 by task syz-executor0/30440 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 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 ffff8801da104f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 [] 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_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] do_splice fs/splice.c:1192 [inline] [] SYSC_splice fs/splice.c:1416 [inline] [] SyS_splice+0xf5f/0x1520 fs/splice.c:1399 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 Read of size 4 by task syz-executor0/30440 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fasync_free_rcu+0x1d/0x20 fs/fcntl.c:563 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Object at ffff8801da105000, in cache fasync_cache size: 96 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] __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_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] do_splice_to+0x10a/0x160 fs/splice.c:899 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 ffff8801da104f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 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 ffff8801da105060 ffffed003b420a0c ffff8801da105064 ffff8801c009f4b8 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 [] 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 fasync_free_rcu+0x1d/0x20 fs/fcntl.c:563 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 ================================================================== ================================================================== ffff8801da104f00: fb fb fb fb fb fb fb fb fc fc fc fc fb fb fb fb [] 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: [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ffff8801da105060 ffffed003b420a0c ffff8801da105064 ffff8801c009f4b8 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 Call Trace: [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Memory state around the buggy address: Read of size 4 by task syz-executor0/30440 setfl fs/fcntl.c:70 [inline] do_fcntl fs/fcntl.c:267 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x658/0xc70 fs/fcntl.c:357 ^ [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 __do_softirq+0x206/0x951 kernel/softirq.c:284 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ^ Object at ffff8801da105000, 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 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ================================================================== save_stack+0x43/0xd0 mm/kasan/kasan.c:495 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 Object at ffff8801da105000, in cache fasync_cache size: 96 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_splice fs/splice.c:1192 [inline] [] SYSC_splice fs/splice.c:1416 [inline] [] SyS_splice+0xf5f/0x1520 fs/splice.c:1399 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Read of size 4 by task syz-executor0/30440 [] 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 setfl fs/fcntl.c:70 [inline] do_fcntl fs/fcntl.c:267 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x658/0xc70 fs/fcntl.c:357 Read of size 4 by task syz-executor0/30440 [] 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 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 Call Trace: fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ^ ffff8801da105060 ffffed003b420a0c ffff8801da105064 ffff8801c009f4b8 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801da105060 ffffed003b420a0c ffff8801da105064 ffff8801c009f4b8 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 ================================================================== ^ [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] do_splice fs/splice.c:1192 [inline] [] SYSC_splice fs/splice.c:1416 [inline] [] SyS_splice+0xf5f/0x1520 fs/splice.c:1399 [] 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 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 Read of size 4 by task syz-executor0/30440 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 [] do_splice fs/splice.c:1192 [inline] [] SYSC_splice fs/splice.c:1416 [inline] [] SyS_splice+0xf5f/0x1520 fs/splice.c:1399 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 ================================================================== ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] vfs_readv+0x84/0xc0 fs/read_write.c:898 ================================================================== >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== __rcu_reclaim kernel/rcu/rcu.h:118 [inline] rcu_do_batch kernel/rcu/tree.c:2789 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline] rcu_process_callbacks+0x871/0x12c0 kernel/rcu/tree.c:3037 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ^ >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ================================================================== __rcu_reclaim kernel/rcu/rcu.h:118 [inline] rcu_do_batch kernel/rcu/tree.c:2789 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline] rcu_process_callbacks+0x871/0x12c0 kernel/rcu/tree.c:3037 Freed: Read of size 4 by task syz-executor0/30440 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] vfs_readv+0x84/0xc0 fs/read_write.c:898 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 __rcu_reclaim kernel/rcu/rcu.h:118 [inline] rcu_do_batch kernel/rcu/tree.c:2789 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline] rcu_process_callbacks+0x871/0x12c0 kernel/rcu/tree.c:3037 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Object at ffff8801da105000, in cache fasync_cache size: 96 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 Read of size 4 by task syz-executor0/30440 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 __do_softirq+0x206/0x951 kernel/softirq.c:284 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 >ffff8801da105000: 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 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 Freed: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== [] do_splice_to+0x10a/0x160 fs/splice.c:899 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] 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] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ffff8801da104f00: fb fb fb fb fb fb fb fb fc fc fc fc fb fb fb fb BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 Call Trace: fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] do_splice_to+0x10a/0x160 fs/splice.c:899 Object at ffff8801da105000, in cache fasync_cache size: 96 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] vfs_readv+0x84/0xc0 fs/read_write.c:898 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 [] 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_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ^ [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 Allocated: Allocated: Allocated: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801da104f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc Object at ffff8801da105000, in cache fasync_cache size: 96 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 Freed: ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ^ [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] do_splice fs/splice.c:1192 [inline] [] SYSC_splice fs/splice.c:1416 [inline] [] SyS_splice+0xf5f/0x1520 fs/splice.c:1399 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] __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 Freed: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 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: [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 setfl fs/fcntl.c:70 [inline] do_fcntl fs/fcntl.c:267 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x658/0xc70 fs/fcntl.c:357 ================================================================== sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801da104f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 Freed: Read of size 4 by task syz-executor0/30440 __do_softirq+0x206/0x951 kernel/softirq.c:284 Freed: ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 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: [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 fasync_free_rcu+0x1d/0x20 fs/fcntl.c:563 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] do_splice fs/splice.c:1192 [inline] [] SYSC_splice fs/splice.c:1416 [inline] [] SyS_splice+0xf5f/0x1520 fs/splice.c:1399 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 Read of size 4 by task syz-executor0/30440 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 ^ Allocated: PID = 30440 __do_softirq+0x206/0x951 kernel/softirq.c:284 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 Object at ffff8801da105000, in cache fasync_cache size: 96 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Object at ffff8801da105000, in cache fasync_cache size: 96 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] do_splice fs/splice.c:1192 [inline] [] SYSC_splice fs/splice.c:1416 [inline] [] SyS_splice+0xf5f/0x1520 fs/splice.c:1399 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801da104f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 Call Trace: [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 __rcu_reclaim kernel/rcu/rcu.h:118 [inline] rcu_do_batch kernel/rcu/tree.c:2789 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline] rcu_process_callbacks+0x871/0x12c0 kernel/rcu/tree.c:3037 __rcu_reclaim kernel/rcu/rcu.h:118 [inline] rcu_do_batch kernel/rcu/tree.c:2789 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline] rcu_process_callbacks+0x871/0x12c0 kernel/rcu/tree.c:3037 [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Object at ffff8801da105000, in cache fasync_cache size: 96 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Memory state around the buggy address: [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 Freed: Read of size 4 by task syz-executor0/30440 __rcu_reclaim kernel/rcu/rcu.h:118 [inline] rcu_do_batch kernel/rcu/tree.c:2789 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:3053 [inline] __rcu_process_callbacks kernel/rcu/tree.c:3020 [inline] rcu_process_callbacks+0x871/0x12c0 kernel/rcu/tree.c:3037 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Object at ffff8801da105000, in cache fasync_cache size: 96 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 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Read of size 4 by task syz-executor0/30440 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 ================================================================== [] kernel_readv fs/splice.c:363 [inline] [] default_file_splice_read+0x43f/0x7a0 fs/splice.c:435 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 >ffff8801da105000: 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 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 Freed: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 [] 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_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Read of size 4 by task syz-executor0/30440 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 ================================================================== ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 Object at ffff8801da105000, in cache fasync_cache size: 96 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ^ ================================================================== ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] vfs_readv+0x84/0xc0 fs/read_write.c:898 setfl fs/fcntl.c:70 [inline] do_fcntl fs/fcntl.c:267 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x658/0xc70 fs/fcntl.c:357 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Read of size 4 by task syz-executor0/30440 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] vfs_readv+0x84/0xc0 fs/read_write.c:898 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 ================================================================== ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] vfs_readv+0x84/0xc0 fs/read_write.c:898 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 ffff8801da104f00: fb fb fb fb fb fb fb fb fc fc fc fc fb fb fb fb [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 ffff8801da105060 ffffed003b420a0c ffff8801da105064 ffff8801c009f4b8 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 __do_softirq+0x206/0x951 kernel/softirq.c:284 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] do_splice_to+0x10a/0x160 fs/splice.c:899 >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Freed: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 Allocated: Allocated: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801da104f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc [] vfs_readv+0x84/0xc0 fs/read_write.c:898 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 Allocated: [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801da105100: 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 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] 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 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] 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 ^ [] do_splice fs/splice.c:1192 [inline] [] SYSC_splice fs/splice.c:1416 [inline] [] SyS_splice+0xf5f/0x1520 fs/splice.c:1399 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 Call Trace: [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801da104f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 [] 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_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Call Trace: entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ^ ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801da104f00: fb fb fb fb fb fb fb fb fc fc fc fc fb fb fb fb CPU: 0 PID: 30440 Comm: syz-executor0 Tainted: G B 4.9.67-gf26d3c7 #2 [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] __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 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ^ [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] 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 ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 ^ ffff8801da105060 ffffed003b420a0c ffff8801da105064 ffff8801c009f4b8 Read of size 4 by task syz-executor0/30440 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffff8801da105100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ^ [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ================================================================== ^ Freed: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 >ffff8801da105000: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ^ [] do_splice_to+0x10a/0x160 fs/splice.c:899 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 Object at ffff8801da105000, in cache fasync_cache size: 96 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Freed: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 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 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 [] kernel_readv fs/splice.c:363 [inline] [] default_file_splice_read+0x43f/0x7a0 fs/splice.c:435 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Freed: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ffffffff8153a2cc ffffed003b420a0c ffff8801d77fd500 0000000000000000 Read of size 4 by task syz-executor0/30440 ffff8801c009f490 ffffffff81d906e9 ffff8801d77fd500 ffff8801da105000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 Object at ffff8801da105000, in cache fasync_cache size: 96 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ^ [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Freed: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801da105064 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801da105064 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 Call Trace: [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 Read of size 4 by task syz-executor0/30440 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801da105080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ================================================================== [