Object at ffff8801cf2e7400, in cache fasync_cache size: 96 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 Allocated: ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc CPU: 0 PID: 28743 Comm: syz-executor5 Tainted: G B 4.9.67-gf26d3c7 #2 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 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 ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 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 Read of size 4 by task syz-executor5/28743 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Memory state around the buggy address: [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 fasync_free+0x1c/0x20 fs/fcntl.c:614 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ^ [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 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 ffff8801cf2e7400, in cache fasync_cache size: 96 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc 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 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Memory state around the buggy address: [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 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 Call Trace: [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 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 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: [] vfs_read+0x11e/0x380 fs/read_write.c:475 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 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 ffffffff8153a2cc ffffed0039e5ce8c ffff8801d66b9000 0000000000000000 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ================================================================== ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 Call Trace: do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 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 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 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] vfs_read+0x11e/0x380 fs/read_write.c:475 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ^ Allocated: ^ [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] 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 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ^ Allocated: ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 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 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 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 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 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] 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 ffff8801d22e7950 ffffffff81d906e9 ffff8801d66b9000 ffff8801cf2e7400 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] __vfs_read+0x103/0x670 fs/read_write.c:452 ffffffff8153a2cc ffffed0039e5ce8c ffff8801d66b9000 0000000000000000 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: ffff8801cf2e7460 ffffed0039e5ce8c ffff8801cf2e7464 ffff8801d22e7978 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Allocated: ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ PID = 28743 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 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 ================================================================== ^ save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 Memory state around the buggy address: [] vfs_read+0x11e/0x380 fs/read_write.c:475 ================================================================== Memory state around the buggy address: >ffff8801cf2e7400: 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 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 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] __vfs_read+0x103/0x670 fs/read_write.c:452 PID = 28743 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ================================================================== ^ Object at ffff8801cf2e7400, in cache fasync_cache size: 96 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ^ save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 [] vfs_read+0x11e/0x380 fs/read_write.c:475 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 [] 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 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801cf2e7300: 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 ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 slab_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 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Read of size 4 by task syz-executor5/28743 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ================================================================== ^ save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 ^ BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ================================================================== ^ 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 Call Trace: Object at ffff8801cf2e7400, in cache fasync_cache size: 96 fasync_free+0x1c/0x20 fs/fcntl.c:614 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ================================================================== ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ================================================================== ^ save_stack+0x43/0xd0 mm/kasan/kasan.c:495 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc 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 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 Call Trace: [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 ffffffff8153a2cc ffffed0039e5ce8c ffff8801d66b9000 0000000000000000 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: ================================================================== >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] 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 ffff8801cf2e7460 ffffed0039e5ce8c ffff8801cf2e7464 ffff8801d22e7978 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] __vfs_read+0x103/0x670 fs/read_write.c:452 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 fasync_free+0x1c/0x20 fs/fcntl.c:614 fasync_free+0x1c/0x20 fs/fcntl.c:614 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 Freed: [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 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 Freed: [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 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 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 ffff8801cf2e7460 ffffed0039e5ce8c ffff8801cf2e7464 ffff8801d22e7978 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 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 fasync_free+0x1c/0x20 fs/fcntl.c:614 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc 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 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 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 Allocated: ^ Object at ffff8801cf2e7400, in cache fasync_cache size: 96 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffffffff8153a2cc ffffed0039e5ce8c ffff8801d66b9000 0000000000000000 ^ >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc 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 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc 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 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] 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 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ^ [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc 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 ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 ^ [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 PID = 24289 Allocated: ^ ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 PID = 28743 [] 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 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 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 Allocated: >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Freed: [] vfs_read+0x11e/0x380 fs/read_write.c:475 ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc 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 ffffffff8153a2cc ffffed0039e5ce8c ffff8801d66b9000 0000000000000000 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ffff8801d22e7950 ffffffff81d906e9 ffff8801d66b9000 ffff8801cf2e7400 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 ^ ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc 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 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 Freed: [] __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: do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ^ ================================================================== ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 ================================================================== ffff8801cf2e7300: 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 ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc 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 ^ save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Allocated: ^ Object at ffff8801cf2e7400, 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 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] __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 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] vfs_read+0x11e/0x380 fs/read_write.c:475 Read of size 4 by task syz-executor5/28743 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 fasync_free+0x1c/0x20 fs/fcntl.c:614 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 Freed: [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ffff8801d22e7950 ffffffff81d906e9 ffff8801d66b9000 ffff8801cf2e7400 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 fasync_free+0x1c/0x20 fs/fcntl.c:614 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] 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 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 ================================================================== ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 Allocated: >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc 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 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 fasync_free+0x1c/0x20 fs/fcntl.c:614 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Allocated: ================================================================== >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 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 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: [] vfs_read+0x11e/0x380 fs/read_write.c:475 ================================================================== ^ [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 [] __vfs_read+0x103/0x670 fs/read_write.c:452 Read of size 4 by task syz-executor5/28743 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ================================================================== ^ Allocated: ^ Allocated: ^ fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 ^ fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ^ Object at ffff8801cf2e7400, in cache fasync_cache size: 96 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Read of size 4 by task syz-executor5/28743 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] vfs_read+0x11e/0x380 fs/read_write.c:475 Read of size 4 by task syz-executor5/28743 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 fasync_free+0x1c/0x20 fs/fcntl.c:614 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 fasync_free+0x1c/0x20 fs/fcntl.c:614 fasync_free+0x1c/0x20 fs/fcntl.c:614 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 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 ^ save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 Memory state around the buggy address: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc 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 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 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 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ================================================================== ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 ================================================================== ^ Allocated: ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 PID = 24289 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Object at ffff8801cf2e7400, in cache fasync_cache size: 96 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 ffff8801cf2e7460 ffffed0039e5ce8c ffff8801cf2e7464 ffff8801d22e7978 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 ffffffff8153a2cc ffffed0039e5ce8c ffff8801d66b9000 0000000000000000 PID = 24289 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Allocated: ^ ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: [] vfs_read+0x11e/0x380 fs/read_write.c:475 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 ffffffff8153a2cc ffffed0039e5ce8c ffff8801d66b9000 0000000000000000 ffff8801d22e7950 ffffffff81d906e9 ffff8801d66b9000 ffff8801cf2e7400 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Object at ffff8801cf2e7400, 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 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ================================================================== >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 ffff8801cf2e7460 ffffed0039e5ce8c ffff8801cf2e7464 ffff8801d22e7978 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 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_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ^ Allocated: >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] vfs_read+0x11e/0x380 fs/read_write.c:475 ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Memory state around the buggy address: [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 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 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Read of size 4 by task syz-executor5/28743 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ================================================================== ^ Allocated: >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 fasync_free+0x1c/0x20 fs/fcntl.c:614 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Allocated: ffff8801cf2e7380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Memory state around the buggy address: >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 PID = 28743 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 Memory state around the buggy address: [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 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 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] 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 Call Trace: Object at ffff8801cf2e7400, in cache fasync_cache size: 96 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] __vfs_read+0x103/0x670 fs/read_write.c:452 [] __vfs_read+0x103/0x670 fs/read_write.c:452 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 Freed: [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 Freed: [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 PID = 28743 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801cf2e7464 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801cf2e7464 Read of size 4 by task syz-executor5/28743 Freed: [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ================================================================== ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Memory state around the buggy address: >ffff8801cf2e7400: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffff8801cf2e7480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cf2e7300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc 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 ^ [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 Freed: