[] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 entry_SYSCALL_64_fastpath+0x23/0xc6 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 ffff8801aaa82100: 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 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801c78579b0 ffffffff81d90429 ffff8801d66e6000 ffff8801aaa82180 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffffffff8153a3ac ffffed003555043c ffff8801d66e6000 0000000000000000 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] vfs_read+0x11e/0x380 fs/read_write.c:475 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 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 [] entry_SYSCALL_64_fastpath+0x23/0xc6 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ================================================================== [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 Call Trace: [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 ffff8801aaa821e0 ffffed003555043c ffff8801aaa821e4 ffff8801c78579d8 [] 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 [] __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 ffff8801aaa82180, in cache fasync_cache size: 96 PID = 3826 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 ================================================================== [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 Object at ffff8801aaa82180, in cache fasync_cache size: 96 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] __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 [] 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 [] __vfs_read+0x103/0x670 fs/read_write.c:452 PID = 0 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ^ [] __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 ffffffff8153a3ac ffffed003555043c ffff8801d66e6000 0000000000000000 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] __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 [] __vfs_read+0x103/0x670 fs/read_write.c:452 Read of size 4 by task syz-executor7/3826 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] vfs_read+0x11e/0x380 fs/read_write.c:475 Read of size 4 by task syz-executor7/3826 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 ================================================================== ================================================================== [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] __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 ffff8801aaa821e0 ffffed003555043c ffff8801aaa821e4 ffff8801c78579d8 Freed: >ffff8801aaa82180: 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 ffff8801c78579b0 ffffffff81d90429 ffff8801d66e6000 ffff8801aaa82180 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Call Trace: [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 ffff8801aaa82100: 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 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 CPU: 1 PID: 3826 Comm: syz-executor7 Tainted: G B 4.9.64-gfbb7468 #94 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 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Object at ffff8801aaa82180, in cache fasync_cache size: 96 ^ Allocated: [] __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 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 Freed: >ffff8801aaa82180: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Call Trace: [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] 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_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801aaa82100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc CPU: 1 PID: 3826 Comm: syz-executor7 Tainted: G B 4.9.64-gfbb7468 #94 [] entry_SYSCALL_64_fastpath+0x23/0xc6 [] __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 ffffffff8153a3ac ffffed003555043c ffff8801d66e6000 0000000000000000 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] vfs_read+0x11e/0x380 fs/read_write.c:475 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 ffff8801aaa82200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 ================================================================== ffff8801aaa821e0 ffffed003555043c ffff8801aaa821e4 ffff8801c78579d8 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 (stack is not available) Object at ffff8801aaa82180, in cache fasync_cache size: 96 Call Trace: [] 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_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Read of size 4 by task syz-executor7/3826 [] 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 ffff8801aaa82100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc 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_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 PID = 3826 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 >ffff8801aaa82180: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Read of size 4 by task syz-executor7/3826 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] 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 [] __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 ffff8801c78579b0 ffffffff81d90429 ffff8801d66e6000 ffff8801aaa82180 (stack is not available) [] 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 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 ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 (stack is not available) Freed: ^ [] 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_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 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 Call Trace: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Object at ffff8801aaa82180, in cache fasync_cache size: 96 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 PID = 3826 Object at ffff8801aaa82180, in cache fasync_cache size: 96 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] entry_SYSCALL_64_fastpath+0x23/0xc6 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Read of size 4 by task syz-executor7/3826 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] __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 ffff8801c78579b0 ffffffff81d90429 ffff8801d66e6000 ffff8801aaa82180 entry_SYSCALL_64_fastpath+0x23/0xc6 ================================================================== Freed: ^ ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Call Trace: [] __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 ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 >ffff8801aaa82180: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Read of size 4 by task syz-executor7/3826 [] __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 [] __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_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 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ^ ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc 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 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] 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_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 ffff8801c78579b0 ffffffff81d90429 ffff8801d66e6000 ffff8801aaa82180 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801aaa82200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Freed: ^ Read of size 4 by task syz-executor7/3826 >ffff8801aaa82180: 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_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 [] 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_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 ffff8801aaa82100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Read of size 4 by task syz-executor7/3826 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Allocated: [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 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 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Allocated: ffff8801aaa82100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Read of size 4 by task syz-executor7/3826 Object at ffff8801aaa82180, 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 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 ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 ffff8801aaa82100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801aaa82200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 Freed: >ffff8801aaa82180: 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 ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 ffff8801aaa82100: 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 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ================================================================== [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc Object at ffff8801aaa82180, in cache fasync_cache size: 96 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 [] 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 [] __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 Read of size 4 by task syz-executor7/3826 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801aaa82100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801aaa82200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 CPU: 1 PID: 3826 Comm: syz-executor7 Tainted: G B 4.9.64-gfbb7468 #94 PID = 3826 ^ [] 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 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 PID = 3826 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Call Trace: [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] 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 Freed: >ffff8801aaa82180: 00 00 00 00 00 00 00 00 00 00 00 00 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 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 ffff8801aaa82100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Read of size 4 by task syz-executor7/3826 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Allocated: ffff8801aaa82100: 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 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 Call Trace: [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] 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 Freed: ^ BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 ffff8801aaa82100: 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 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 ffff8801aaa82080: fb fb fb fb fb fb fb fb fb fb fb fb 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 Memory state around the buggy address: PID = 0 Call Trace: ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8801aaa821e0 ffffed003555043c ffff8801aaa821e4 ffff8801c78579d8 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Call Trace: [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Memory state around the buggy address: [] 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 Call Trace: [] 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 ffffffff8153a3ac ffffed003555043c ffff8801d66e6000 0000000000000000 Memory state around the buggy address: [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 Allocated: [] __vfs_read+0x103/0x670 fs/read_write.c:452 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 CPU: 1 PID: 3826 Comm: syz-executor7 Tainted: G B 4.9.64-gfbb7468 #94 [] 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: [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Object at ffff8801aaa82180, in cache fasync_cache size: 96 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc PID = 3826 [] vfs_read+0x11e/0x380 fs/read_write.c:475 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 Call Trace: [] vfs_read+0x11e/0x380 fs/read_write.c:475 ffff8801aaa82200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ffff8801aaa82200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 PID = 3826 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] 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 ffff8801aaa821e0 ffffed003555043c ffff8801aaa821e4 ffff8801c78579d8 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 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc 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 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 >ffff8801aaa82180: 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 ffff8801aaa82200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ^ [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc 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 ================================================================== [] __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 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ================================================================== Call Trace: [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 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_object_err+0x1c/0x70 mm/kasan/report.c:160 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] 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: [] 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_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 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 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 Object at ffff8801aaa82180, in cache fasync_cache size: 96 ffff8801aaa82080: fb fb fb fb fb fb fb fb fb fb fb fb 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 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ^ [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 ffff8801aaa82080: fb fb fb fb fb fb fb fb fb fb fb fb 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 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_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_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] 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 ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 Memory state around the buggy address: [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801aaa82100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801aaa82180: 00 00 00 00 00 00 00 00 00 00 00 00 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 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 PID = 3826 ffff8801aaa82100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Read of size 4 by task syz-executor7/3826 ================================================================== Allocated: [] vfs_read+0x11e/0x380 fs/read_write.c:475 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801aaa82200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc Object at ffff8801aaa82180, in cache fasync_cache size: 96 Freed: [] 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_read+0x11e/0x380 fs/read_write.c:475 ^ [] 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 ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 ffffffff8153a3ac ffffed003555043c ffff8801d66e6000 0000000000000000 ^ ffff8801aaa82100: 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 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 entry_SYSCALL_64_fastpath+0x23/0xc6 Read of size 4 by task syz-executor7/3826 [] 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_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 PID = 3826 >ffff8801aaa82180: 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 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801aaa821e4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801aaa821e4 Freed: ^ ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 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 Freed: ================================================================== Call Trace: [] 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 CPU: 1 PID: 3826 Comm: syz-executor7 Tainted: G B 4.9.64-gfbb7468 #94 [] entry_SYSCALL_64_fastpath+0x23/0xc6 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801aaa82100: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801aaa82180: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801c78579b0 ffffffff81d90429 ffff8801d66e6000 ffff8801aaa82180 entry_SYSCALL_64_fastpath+0x23/0xc6 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801aaa82280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [