ffff8801ca218200: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] __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 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] __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 ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Read of size 4 by task syz-executor2/29727 ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb 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 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 entry_SYSCALL_64_fastpath+0x23/0xc6 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Read of size 4 by task syz-executor2/29727 ================================================================== ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 fasync_free fs/fcntl.c:614 [inline] fasync_add_entry fs/fcntl.c:674 [inline] fasync_helper+0x75/0xb0 fs/fcntl.c:691 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb 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 fasync_free fs/fcntl.c:614 [inline] fasync_add_entry fs/fcntl.c:674 [inline] fasync_helper+0x75/0xb0 fs/fcntl.c:691 ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 ffffffff8153a2cc ffffed003944306c ffff8801d77ff780 0000000000000000 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 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 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 Memory state around the buggy address: ffff8801ca218200: 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 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 Freed: Freed: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor2/29727 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] __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 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] __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 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 pipe_fasync+0xb7/0x1c0 fs/pipe.c:595 ffff8801ca218380: 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 CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 ioctl_fioasync fs/ioctl.c:534 [inline] do_vfs_ioctl+0x2d8/0x1140 fs/ioctl.c:639 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 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 [] 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 [] 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 entry_SYSCALL_64_fastpath+0x23/0xc6 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ================================================================== >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] __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 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 [] 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 Freed: ioctl_fioasync fs/ioctl.c:534 [inline] do_vfs_ioctl+0x2d8/0x1140 fs/ioctl.c:639 ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor2/29727 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 ^ ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] __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 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 fasync_free fs/fcntl.c:614 [inline] fasync_add_entry fs/fcntl.c:674 [inline] fasync_helper+0x75/0xb0 fs/fcntl.c:691 ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 ffffffff8153a2cc ffffed003944306c ffff8801d77ff780 0000000000000000 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] __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 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 pipe_fasync+0xb7/0x1c0 fs/pipe.c:595 ^ ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 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 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 pipe_fasync+0xb7/0x1c0 fs/pipe.c:595 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 Allocated: [] 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 [] 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor2/29727 Allocated: [] 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 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] 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 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor2/29727 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ================================================================== Read of size 4 by task syz-executor2/29727 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] do_readv+0xe6/0x250 fs/read_write.c:924 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218380: 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 ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] 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 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor2/29727 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 Call Trace: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 ================================================================== [] entry_SYSCALL_64_fastpath+0x23/0xc6 ================================================================== Read of size 4 by task syz-executor2/29727 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] 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 Memory state around the buggy address: kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 Read of size 4 by task syz-executor2/29727 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 ffff8801ca218400: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ^ ffffffff8153a2cc ffffed003944306c ffff8801d77ff780 0000000000000000 [] __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 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ================================================================== Read of size 4 by task syz-executor2/29727 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] entry_SYSCALL_64_fastpath+0x23/0xc6 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ^ Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] __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 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 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 Allocated: Read of size 4 by task syz-executor2/29727 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ================================================================== Read of size 4 by task syz-executor2/29727 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] 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 ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== [] 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 [] 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 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ^ ffffffff8153a2cc ffffed003944306c ffff8801d77ff780 0000000000000000 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 Read of size 4 by task syz-executor2/29727 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ================================================================== fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 Memory state around the buggy address: Freed: Freed: [] do_readv+0xe6/0x250 fs/read_write.c:924 fasync_free fs/fcntl.c:614 [inline] fasync_add_entry fs/fcntl.c:674 [inline] fasync_helper+0x75/0xb0 fs/fcntl.c:691 ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ================================================================== set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 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 ffff8801ca218300, in cache fasync_cache size: 96 Object at ffff8801ca218300, in cache fasync_cache size: 96 ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 ffff8801ca218400: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor2/29727 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 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 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 Read of size 4 by task syz-executor2/29727 Allocated: [] 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 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Read of size 4 by task syz-executor2/29727 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ================================================================== Read of size 4 by task syz-executor2/29727 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 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] 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 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 fasync_free fs/fcntl.c:614 [inline] fasync_add_entry fs/fcntl.c:674 [inline] fasync_helper+0x75/0xb0 fs/fcntl.c:691 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] 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 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 pipe_fasync+0xb7/0x1c0 fs/pipe.c:595 ^ ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ================================================================== Read of size 4 by task syz-executor2/29727 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ffffffff8153a2cc ffffed003944306c ffff8801d77ff780 0000000000000000 [] do_readv+0xe6/0x250 fs/read_write.c:924 ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218400: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218380: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 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 Freed: sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] 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 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== ================================================================== Read of size 4 by task syz-executor2/29727 Allocated: [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 ================================================================== Read of size 4 by task syz-executor2/29727 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Read of size 4 by task syz-executor2/29727 [] entry_SYSCALL_64_fastpath+0x23/0xc6 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== ================================================================== Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 entry_SYSCALL_64_fastpath+0x23/0xc6 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ================================================================== Read of size 4 by task syz-executor2/29727 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ================================================================== Read of size 4 by task syz-executor2/29727 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Read of size 4 by task syz-executor2/29727 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 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ================================================================== Read of size 4 by task syz-executor2/29727 Allocated: [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 entry_SYSCALL_64_fastpath+0x23/0xc6 [] __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 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218280: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ================================================================== Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 fasync_free fs/fcntl.c:614 [inline] fasync_add_entry fs/fcntl.c:674 [inline] fasync_helper+0x75/0xb0 fs/fcntl.c:691 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Read of size 4 by task syz-executor2/29727 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218400: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] 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 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ^ ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 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 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] 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 ^ ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 ================================================================== Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ================================================================== ================================================================== ================================================================== Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffffffff8153a2cc ffffed003944306c ffff8801d77ff780 0000000000000000 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ^ Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 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 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ffffffff8153a2cc ffffed003944306c ffff8801d77ff780 0000000000000000 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Read of size 4 by task syz-executor2/29727 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] 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 pipe_fasync+0xb7/0x1c0 fs/pipe.c:595 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 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 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 ^ ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 [] do_readv+0xe6/0x250 fs/read_write.c:924 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218400: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ioctl_fioasync fs/ioctl.c:534 [inline] do_vfs_ioctl+0x2d8/0x1140 fs/ioctl.c:639 fasync_free fs/fcntl.c:614 [inline] fasync_add_entry fs/fcntl.c:674 [inline] fasync_helper+0x75/0xb0 fs/fcntl.c:691 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 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_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 fasync_free fs/fcntl.c:614 [inline] fasync_add_entry fs/fcntl.c:674 [inline] fasync_helper+0x75/0xb0 fs/fcntl.c:691 Read of size 4 by task syz-executor2/29727 Object at ffff8801ca218300, in cache fasync_cache size: 96 ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218400: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== ================================================================== Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ================================================================== Read of size 4 by task syz-executor2/29727 PID = 29727 [] do_readv+0xe6/0x250 fs/read_write.c:924 fasync_free fs/fcntl.c:614 [inline] fasync_add_entry fs/fcntl.c:674 [inline] fasync_helper+0x75/0xb0 fs/fcntl.c:691 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] 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 ioctl_fioasync fs/ioctl.c:534 [inline] do_vfs_ioctl+0x2d8/0x1140 fs/ioctl.c:639 ioctl_fioasync fs/ioctl.c:534 [inline] do_vfs_ioctl+0x2d8/0x1140 fs/ioctl.c:639 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 fasync_free fs/fcntl.c:614 [inline] fasync_add_entry fs/fcntl.c:674 [inline] fasync_helper+0x75/0xb0 fs/fcntl.c:691 ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 Read of size 4 by task syz-executor2/29727 Allocated: [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] 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 ffff8801ca218280: 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 PID = 26935 Object at ffff8801ca218300, in cache fasync_cache size: 96 ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== ================================================================== Read of size 4 by task syz-executor2/29727 PID = 29727 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ================================================================== Read of size 4 by task syz-executor2/29727 [] 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ================================================================== Read of size 4 by task syz-executor2/29727 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== ================================================================== Read of size 4 by task syz-executor2/29727 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ================================================================== Read of size 4 by task syz-executor2/29727 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 entry_SYSCALL_64_fastpath+0x23/0xc6 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801ca218380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218400: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 Memory state around the buggy address: SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] 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 ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 [] do_readv+0xe6/0x250 fs/read_write.c:924 ================================================================== ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 Memory state around the buggy address: 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 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] 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 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ^ ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 [] __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 fasync_free fs/fcntl.c:614 [inline] fasync_add_entry fs/fcntl.c:674 [inline] fasync_helper+0x75/0xb0 fs/fcntl.c:691 ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 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 pipe_fasync+0xb7/0x1c0 fs/pipe.c:595 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== Read of size 4 by task syz-executor2/29727 [] entry_SYSCALL_64_fastpath+0x23/0xc6 CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218200: 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-executor2/29727 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 Freed: sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Read of size 4 by task syz-executor2/29727 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ^ ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 [] do_readv+0xe6/0x250 fs/read_write.c:924 ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218400: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ^ ffffffff8153a2cc ffffed003944306c ffff8801d77ff780 0000000000000000 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ^ ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 [] do_readv+0xe6/0x250 fs/read_write.c:924 ================================================================== CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] 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 >ffff8801ca218300: 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 ================================================================== Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ================================================================== Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Read of size 4 by task syz-executor2/29727 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ================================================================== Read of size 4 by task syz-executor2/29727 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 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 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 Object at ffff8801ca218300, in cache fasync_cache size: 96 [] 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 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218280: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ================================================================== ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 [] do_readv+0xe6/0x250 fs/read_write.c:924 ================================================================== ffff8801ca218400: 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 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 ffff8801ca218280: 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 ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ^ 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 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] entry_SYSCALL_64_fastpath+0x23/0xc6 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 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ================================================================== ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Read of size 4 by task syz-executor2/29727 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 [] do_readv+0xe6/0x250 fs/read_write.c:924 Read of size 4 by task syz-executor2/29727 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ================================================================== ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 [] __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 Read of size 4 by task syz-executor2/29727 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 ================================================================== ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 [] entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218360 ffffed003944306c ffff8801ca218364 ffff8801d745f8d8 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] 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 [] 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 [] 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 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 Memory state around the buggy address: save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] do_readv+0xe6/0x250 fs/read_write.c:924 Read of size 4 by task syz-executor2/29727 Freed: entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 Allocated: [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Read of size 4 by task syz-executor2/29727 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] 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 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 Memory state around the buggy address: 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 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ================================================================== ffff8801d745f8b0 ffffffff81d906e9 ffff8801d77ff780 ffff8801ca218300 Freed: save_stack+0x43/0xd0 mm/kasan/kasan.c:495 Object at ffff8801ca218300, 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 [] 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.part.17+0x141/0x1e0 fs/read_write.c:714 >ffff8801ca218300: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ca218364 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ca218364 ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc CPU: 0 PID: 29727 Comm: syz-executor2 Tainted: G B 4.9.67-gf26d3c7 #106 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 Read of size 4 by task syz-executor2/29727 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 entry_SYSCALL_64_fastpath+0x23/0xc6 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Read of size 4 by task syz-executor2/29727 SYSC_ioctl fs/ioctl.c:694 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 ffff8801ca218200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ca218400: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor2/29727