SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=1136 comm=syz-executor4 ================================================================== BUG: KASAN: slab-out-of-bounds in __lock_acquire+0x2eff/0x3640 kernel/locking/lockdep.c:3224 at addr ffff8801ccbe9cf8 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 ================================================================== [] 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 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] 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 Allocated: ^ save_stack+0x43/0xd0 mm/kasan/kasan.c:495 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801ccbe9c00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ccbe9d80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fasync_free+0x1c/0x20 fs/fcntl.c:614 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] __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 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 >ffff8801ccbe9c80: 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 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 Read of size 4 by task syz-executor2/1147 Read of size 4 by task syz-executor2/1147 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 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 CPU: 0 PID: 1147 Comm: syz-executor2 Tainted: G B 4.9.69-g3f1d77c #4 [] __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: 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 ffff8801ccbe9b80: 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 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 ================================================================== do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] 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 ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 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 Memory state around the buggy address: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 [] 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 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 [] __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 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 ffff8801ccbe9c00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Call Trace: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Read of size 4 by task syz-executor2/1147 ^ [] __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: Read of size 4 by task syz-executor2/1147 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ^ ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 [] 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 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 Call Trace: Read of size 4 by task syz-executor2/1147 ffff8801ccbe9c00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 PID = 1128 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801ccbe9d80: 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 Read of size 4 by task syz-executor2/1147 ================================================================== set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 PID = 1128 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] 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 [] __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 ffff8801ccbe9d00: 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 ^ [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 ffff8801ccbe9c00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] 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_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffffffff8153a45c ffffed003997d39c ffff8801d77fe500 0000000000000000 >ffff8801ccbe9c80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc CPU: 0 PID: 1147 Comm: syz-executor2 Tainted: G B 4.9.69-g3f1d77c #4 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 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] 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 Object at ffff8801ccbe9c80, in cache fasync_cache size: 96 Read of size 4 by task syz-executor2/1147 Read of size 4 by task syz-executor2/1147 ffff8801ccbe9d00: 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 ffff8801ccbe9d80: 00 00 00 00 00 00 00 00 00 00 00 00 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 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 ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 >ffff8801ccbe9c80: 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 Call Trace: ^ [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 CPU: 0 PID: 1147 Comm: syz-executor2 Tainted: G B 4.9.69-g3f1d77c #4 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 Freed: entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] 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 ffff8801ccbe9d80: 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 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Read of size 4 by task syz-executor2/1147 >ffff8801ccbe9c80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801ccbe9d00: 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 ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 Call Trace: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] 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 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 [] 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 >ffff8801ccbe9c80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Allocated: [] 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 ffff8801ccbe9b80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Allocated: [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] 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 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 Allocated: [] 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 ^ [] 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 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 Freed: [] vfs_read+0x11e/0x380 fs/read_write.c:475 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 Read of size 4 by task syz-executor2/1147 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ================================================================== 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 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801ccbe9d80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc PID = 1128 [] __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 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] 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 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Object at ffff8801ccbe9c80, in cache fasync_cache size: 96 [] vfs_read+0x11e/0x380 fs/read_write.c:475 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] __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 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ^ [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] 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 ffff8801ccbe9c00: 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 Call Trace: Call Trace: save_stack+0x43/0xd0 mm/kasan/kasan.c:495 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 Call Trace: [] __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 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Read of size 4 by task syz-executor2/1147 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] __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 ffff8801ccbe9d80: 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_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801ccbe9b80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 ffffffff8153a45c ffffed003997d39c ffff8801d77fe500 0000000000000000 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] 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 [] __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 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 Read of size 4 by task syz-executor2/1147 ffff8801ccbe9d00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Object at ffff8801ccbe9c80, in cache fasync_cache size: 96 Call Trace: ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 [] 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 PID = 1128 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 CPU: 0 PID: 1147 Comm: syz-executor2 Tainted: G B 4.9.69-g3f1d77c #4 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 Object at ffff8801ccbe9c80, in cache fasync_cache size: 96 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] 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 ^ [] __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_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 fasync_free+0x1c/0x20 fs/fcntl.c:614 CPU: 0 PID: 1147 Comm: syz-executor2 Tainted: G B 4.9.69-g3f1d77c #4 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 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 ^ [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] __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 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 Call Trace: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Read of size 4 by task syz-executor2/1147 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 >ffff8801ccbe9c80: 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 ffff8801ccbe9c00: 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+0x11e/0x380 fs/read_write.c:475 ffff8801ccbe9d00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 PID = 1128 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 >ffff8801ccbe9c80: 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 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 ================================================================== slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] 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 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 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 Read of size 4 by task syz-executor2/1147 ffff8801ccbe9d80: 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 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 Call Trace: ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 Freed: [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 ffff8801ccbe9d80: 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 Read of size 4 by task syz-executor2/1147 >ffff8801ccbe9c80: 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 ================================================================== [] 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 ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 ffffffff8153a45c ffffed003997d39c ffff8801d77fe500 0000000000000000 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] 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 ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 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 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 Memory state around the buggy address: C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 ================================================================== fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] 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 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 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 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 ffff8801ccbe9c00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ^ [] 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 ffff8801ccbe9d80: 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 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] 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 Freed: [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 Memory state around the buggy address: ffff8801ccbe9c00: 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 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] 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 ffffffff8153a45c ffffed003997d39c ffff8801d77fe500 0000000000000000 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 Object at ffff8801ccbe9c80, in cache fasync_cache size: 96 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Call Trace: ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 [] __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 ffff8801ccbe9d80: 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 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 Call Trace: BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 ================================================================== 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 ffff8801ccbe9b80: 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 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 Read of size 4 by task syz-executor2/1147 ffff8801ccbe9c00: 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 PID = 1128 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 ffff8801ccbe9c00: 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 [] 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 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] __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 ffff8801ccbe9b80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Allocated: [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 [] 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 ffff8801ccbe9c00: 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 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] __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 >ffff8801ccbe9c80: 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 Call Trace: CPU: 0 PID: 1147 Comm: syz-executor2 Tainted: G B 4.9.69-g3f1d77c #4 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ^ [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 Object at ffff8801ccbe9c80, in cache fasync_cache size: 96 ffff8801ccbe9c00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] vfs_read+0x11e/0x380 fs/read_write.c:475 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801ccbe9c00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 [] __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 ffff8801ccbe9c00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 [] 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 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Allocated: Read of size 4 by task syz-executor2/1147 >ffff8801ccbe9c80: 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 CPU: 0 PID: 1147 Comm: syz-executor2 Tainted: G B 4.9.69-g3f1d77c #4 [] 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 [] 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 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 ffffffff8153a45c ffffed003997d39c ffff8801d77fe500 0000000000000000 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Read of size 4 by task syz-executor2/1147 ^ [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 ^ save_stack+0x43/0xd0 mm/kasan/kasan.c:495 >ffff8801ccbe9c80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ================================================================== 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 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 Allocated: [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 [] 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 Allocated: ^ [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 ffff8801ccbe9d80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] 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 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 [] __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 >ffff8801ccbe9c80: 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 [] 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 ffff8801ccbe9b80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffffffff8153a45c ffffed003997d39c ffff8801d77fe500 0000000000000000 [] 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 Read of size 4 by task syz-executor2/1147 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 fasync_free+0x1c/0x20 fs/fcntl.c:614 [] __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 ffff8801ccbe9d80: 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 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 ffffffff8153a45c ffffed003997d39c ffff8801d77fe500 0000000000000000 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 ffffffff8153a45c ffffed003997d39c ffff8801d77fe500 0000000000000000 [] 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 >ffff8801ccbe9c80: 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 ================================================================== 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 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 fs/fcntl.c:357 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 [] __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 >ffff8801ccbe9c80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 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 Read of size 4 by task syz-executor2/1147 [] 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 >ffff8801ccbe9c80: 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 ffff8801ccbe9b80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Call Trace: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 CPU: 0 PID: 1147 Comm: syz-executor2 Tainted: G B 4.9.69-g3f1d77c #4 [] __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 >ffff8801ccbe9c80: 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 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 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 [] 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 ^ [] __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 ffff8801ccbe9c80, in cache fasync_cache size: 96 Read of size 4 by task syz-executor2/1147 ffff8801ccbe9d80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] 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 PID = 1128 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 Read of size 4 by task syz-executor2/1147 ^ ffff8801ccbe9d80: 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 ffff8801ccbe9b80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 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 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] vfs_read+0x11e/0x380 fs/read_write.c:475 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 Read of size 4 by task syz-executor2/1147 ffff8801ccbe9d80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 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_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] __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 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 [] __vfs_read+0x103/0x670 fs/read_write.c:452 ================================================================== save_stack+0x43/0xd0 mm/kasan/kasan.c:495 ffff8801ccbe9c00: 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 ================================================================== [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] __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_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 Call Trace: ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 Call Trace: ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 fasync_free+0x1c/0x20 fs/fcntl.c:614 [] 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 [] 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: CPU: 0 PID: 1147 Comm: syz-executor2 Tainted: G B 4.9.69-g3f1d77c #4 Call Trace: ================================================================== sg_fasync+0x86/0xb0 drivers/scsi/sg.c:1203 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 ================================================================== entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 ffff8801ccbe9c00: 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 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Call Trace: [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] __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 ffff8801ccbe9d00: 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 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ^ ================================================================== kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 C_SYSC_fcntl64 fs/compat.c:469 [inline] compat_SyS_fcntl64+0xce/0x4f0 fs/compat.c:403 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801ccbe9d80: 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 ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 [] __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 ffff8801ccbe9d80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Allocated: [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] vfs_read+0x11e/0x380 fs/read_write.c:475 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] [] native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 [] 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 ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] __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 >ffff8801ccbe9c80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Object at ffff8801ccbe9c80, 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 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 ================================================================== do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 [] __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 ffff8801ccbe9b80: 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 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 >ffff8801ccbe9c80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 Read of size 4 by task syz-executor2/1147 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 ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] 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 BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 Read of size 4 by task syz-executor2/1147 ffff8801ccbe9d00: 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 [] SYSC_read fs/read_write.c:591 [inline] [] SyS_read+0xd9/0x1b0 fs/read_write.c:584 [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 Call Trace: 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 Read of size 4 by task syz-executor2/1147 ================================================================== ffff8801ccbe9b80: 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 >ffff8801ccbe9c80: 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 ^ [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 CPU: 0 PID: 1147 Comm: syz-executor2 Tainted: G B 4.9.69-g3f1d77c #4 >ffff8801ccbe9c80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] 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 >ffff8801ccbe9c80: 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 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 [] 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 ffff8801ccbe9b80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc >ffff8801ccbe9c80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 [] 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 ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] sg_remove_request+0x70/0x120 drivers/scsi/sg.c:2122 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ================================================================== [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] __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 ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] 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 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [] __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 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 >ffff8801ccbe9c80: 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_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801ccbe9d80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc ffff8801ccbe9c00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc Object at ffff8801ccbe9c80, in cache fasync_cache size: 96 do_fcntl fs/fcntl.c:325 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x6e6/0xc70 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 >ffff8801ccbe9c80: 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 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 do_fcntl_add_lease fs/locks.c:1899 [inline] fcntl_setlease+0x168/0x220 fs/locks.c:1917 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_object_err+0x1c/0x70 mm/kasan/report.c:160 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 Read of size 4 by task syz-executor2/1147 ffff8801ccbe9d80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fasync_alloc fs/fcntl.c:604 [inline] fasync_add_entry fs/fcntl.c:662 [inline] fasync_helper+0x37/0xb0 fs/fcntl.c:691 Allocated: [] 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 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] 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 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 [] 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 ffff8801ccbe9b80: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ffff8801ccbe9c00: 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 ffff8801ccbe9d80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc PID = 1128 [] do_syscall_32_irqs_on arch/x86/entry/common.c:322 [inline] [] do_fast_syscall_32+0x2f7/0x890 arch/x86/entry/common.c:384 ffff8801ccbe9c00: 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 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 [] sg_read+0xa1c/0x1440 drivers/scsi/sg.c:527 [] vfs_read+0x11e/0x380 fs/read_write.c:475 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] __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 ffff8801ccbe9d00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc PID = 1128 [] __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 [] 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 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 [] 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 [] 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 Read of size 4 by task syz-executor2/1147 ffff8801ccbe9b80: 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 ================================================================== BUG: KASAN: slab-out-of-bounds in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in virt_spin_lock arch/x86/include/asm/qspinlock.h:56 [inline] at addr ffff8801ccbe9ce4 BUG: KASAN: slab-out-of-bounds in native_queued_spin_lock_slowpath+0x6a1/0x6c0 kernel/locking/qspinlock.c:421 at addr ffff8801ccbe9ce4 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] 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 [] __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 Allocated: [] 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 PID = 1128 [] __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 [] entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:663 [inline] [] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:28 [inline] [] queued_spin_lock include/asm-generic/qspinlock.h:103 [inline] [] queued_write_lock_slowpath+0x116/0x150 kernel/locking/qrwlock.c:115 setfl fs/fcntl.c:70 [inline] do_fcntl fs/fcntl.c:267 [inline] SYSC_fcntl fs/fcntl.c:372 [inline] SyS_fcntl+0x658/0xc70 fs/fcntl.c:357 entry_SYSENTER_compat+0x51/0x60 arch/x86/entry/entry_64_compat.S:124 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 ffff8801ccbe9d00: 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 ffff8801ccbe9ce0 ffffed003997d39c ffff8801ccbe9ce4 ffff8801cfa77978 [] queued_write_lock include/asm-generic/qrwlock.h:134 [inline] [] do_raw_write_lock+0xc7/0x1d0 kernel/locking/spinlock_debug.c:203 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] __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 ^ [] 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 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 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 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329 [] 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 Read of size 4 by task syz-executor2/1147 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 PID = 28955 [] __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 ffff8801ccbe9d80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc Allocated: [] sg_finish_rem_req+0x295/0x340 drivers/scsi/sg.c:1838 Object at ffff8801ccbe9c80, in cache fasync_cache size: 96 [] __raw_write_lock_irqsave include/linux/rwlock_api_smp.h:187 [inline] [] _raw_write_lock_irqsave+0x56/0x62 kernel/locking/spinlock.c:303 ^ ================================================================== ffff8801ccbe9c00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc [] vfs_read+0x11e/0x380 fs/read_write.c:475 [] 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 ffff8801ccbe9b80: 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 ^ [] __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 ffff8801ccbe9d00: 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 [] 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 >ffff8801ccbe9c80: 00 00 00 00 00 00 00 00 00 00 00 00 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 Call Trace: ffff8801cfa77950 ffffffff81d90a29 ffff8801d77fe500 ffff8801ccbe9c80 [] kasan_report mm/kasan/report.c:329 [inline] [] __asan_report_load4_noabort+0x29/0x30 mm/kasan/report.c:329