=============================
WARNING: suspicious RCU usage
4.15.0-rc5+ #177 Not tainted
-----------------------------
net/ipv6/ip6_fib.c:1702 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
7 locks held by syz-executor5/17359:
#0: (&mm->mmap_sem){++++}, at: [<00000000c8a2aab0>] __do_page_fault+0x32d/0xc90 arch/x86/mm/fault.c:1358
#1: (rcu_read_lock){....}, at: [<00000000e634a999>] filemap_map_pages+0x1ce/0x15d0 mm/filemap.c:2622
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] spin_lock include/linux/spinlock.h:310 [inline]
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] pte_alloc_one_map mm/memory.c:3272 [inline]
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] alloc_set_pte+0x1102/0x1880 mm/memory.c:3400
#3: ((&net->ipv6.ip6_fib_timer)){+.-.}, at: [<00000000ff17a0d4>] lockdep_copy_map include/linux/lockdep.h:178 [inline]
#3: ((&net->ipv6.ip6_fib_timer)){+.-.}, at: [<00000000ff17a0d4>] call_timer_fn+0x1c6/0x820 kernel/time/timer.c:1310
#4: (&(&net->ipv6.fib6_gc_lock)->rlock){+.-.}, at: [<0000000004ef4f2f>] spin_lock_bh include/linux/spinlock.h:315 [inline]
#4: (&(&net->ipv6.fib6_gc_lock)->rlock){+.-.}, at: [<0000000004ef4f2f>] fib6_run_gc+0x9d/0x3c0 net/ipv6/ip6_fib.c:2007
#5: (rcu_read_lock){....}, at: [<00000000367b7b04>] __fib6_clean_all+0x0/0x3a0 net/ipv6/ip6_fib.c:1560
#6: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<00000000e7c3df18>] spin_lock_bh include/linux/spinlock.h:315 [inline]
#6: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<00000000e7c3df18>] __fib6_clean_all+0x1d0/0x3a0 net/ipv6/ip6_fib.c:1948
stack backtrace:
CPU: 0 PID: 17359 Comm: syz-executor5 Not tainted 4.15.0-rc5+ #177
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4585
fib6_del+0xcaa/0x11b0 net/ipv6/ip6_fib.c:1701
fib6_clean_node+0x3aa/0x4f0 net/ipv6/ip6_fib.c:1892
fib6_walk_continue+0x46c/0x8a0 net/ipv6/ip6_fib.c:1815
fib6_walk+0x91/0xf0 net/ipv6/ip6_fib.c:1863
fib6_clean_tree+0x1e6/0x340 net/ipv6/ip6_fib.c:1933
__fib6_clean_all+0x1f4/0x3a0 net/ipv6/ip6_fib.c:1949
fib6_clean_all net/ipv6/ip6_fib.c:1960 [inline]
fib6_run_gc+0x16b/0x3c0 net/ipv6/ip6_fib.c:2016
fib6_gc_timer_cb+0x20/0x30 net/ipv6/ip6_fib.c:2033
call_timer_fn+0x228/0x820 kernel/time/timer.c:1320
expire_timers kernel/time/timer.c:1357 [inline]
__run_timers+0x7ee/0xb70 kernel/time/timer.c:1660
run_timer_softirq+0x4c/0xb0 kernel/time/timer.c:1686
__do_softirq+0x2d7/0xb85 kernel/softirq.c:285
invoke_softirq kernel/softirq.c:365 [inline]
irq_exit+0x1cc/0x200 kernel/softirq.c:405
exiting_irq arch/x86/include/asm/apic.h:540 [inline]
smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052
apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:904
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50
RSP: 0000:ffff8801c6077458 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
RAX: ffffea00071fd260 RBX: ffffea00071fd240 RCX: 1ffff10038c0ee91
RDX: dffffc0000000000 RSI: 0000000000476000 RDI: ffffea00071fd240
RBP: ffff8801c6077530 R08: 0000000000000000 R09: 1ffff10038c0ee0b
R10: ffff8801c6076f90 R11: 0000000000000003 R12: 1ffff10038c0ee8d
R13: ffff8801c60774c8 R14: ffff8801c6077508 R15: ffffea00071fd220
filemap_map_pages+0x10a0/0x15d0 mm/filemap.c:2683
do_fault_around mm/memory.c:3567 [inline]
do_read_fault mm/memory.c:3601 [inline]
do_fault mm/memory.c:3706 [inline]
handle_pte_fault mm/memory.c:3937 [inline]
__handle_mm_fault+0x21ff/0x3ce0 mm/memory.c:4061
handle_mm_fault+0x334/0x8d0 mm/memory.c:4098
__do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1429
do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504
page_fault+0x4c/0x60 arch/x86/entry/entry_64.S:1225
RIP: 0033:0x47e180
RSP: 002b:0000000000a2fa28 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000002235914 RCX: 000000000045553a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000002235940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000002e33
R13: 0000000000000004 R14: 000000000007f95f R15: 0000000000000001
=============================
WARNING: suspicious RCU usage
4.15.0-rc5+ #177 Not tainted
-----------------------------
net/ipv6/ip6_fib.c:1729 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
7 locks held by syz-executor5/17359:
#0: (&mm->mmap_sem){++++}, at: [<00000000c8a2aab0>] __do_page_fault+0x32d/0xc90 arch/x86/mm/fault.c:1358
#1: (rcu_read_lock){....}, at: [<00000000e634a999>] filemap_map_pages+0x1ce/0x15d0 mm/filemap.c:2622
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] spin_lock include/linux/spinlock.h:310 [inline]
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] pte_alloc_one_map mm/memory.c:3272 [inline]
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] alloc_set_pte+0x1102/0x1880 mm/memory.c:3400
#3: ((&net->ipv6.ip6_fib_timer)){+.-.}, at: [<00000000ff17a0d4>] lockdep_copy_map include/linux/lockdep.h:178 [inline]
#3: ((&net->ipv6.ip6_fib_timer)){+.-.}, at: [<00000000ff17a0d4>] call_timer_fn+0x1c6/0x820 kernel/time/timer.c:1310
#4: (&(&net->ipv6.fib6_gc_lock)->rlock){+.-.}, at: [<0000000004ef4f2f>] spin_lock_bh include/linux/spinlock.h:315 [inline]
#4: (&(&net->ipv6.fib6_gc_lock)->rlock){+.-.}, at: [<0000000004ef4f2f>] fib6_run_gc+0x9d/0x3c0 net/ipv6/ip6_fib.c:2007
#5: (rcu_read_lock){....}, at: [<00000000367b7b04>] __fib6_clean_all+0x0/0x3a0 net/ipv6/ip6_fib.c:1560
#6: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<00000000e7c3df18>] spin_lock_bh include/linux/spinlock.h:315 [inline]
#6: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<00000000e7c3df18>] __fib6_clean_all+0x1d0/0x3a0 net/ipv6/ip6_fib.c:1948
stack backtrace:
CPU: 0 PID: 17359 Comm: syz-executor5 Not tainted 4.15.0-rc5+ #177
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4585
fib6_del+0x425/0x11b0 net/ipv6/ip6_fib.c:1728
fib6_clean_node+0x3aa/0x4f0 net/ipv6/ip6_fib.c:1892
fib6_walk_continue+0x46c/0x8a0 net/ipv6/ip6_fib.c:1815
fib6_walk+0x91/0xf0 net/ipv6/ip6_fib.c:1863
fib6_clean_tree+0x1e6/0x340 net/ipv6/ip6_fib.c:1933
__fib6_clean_all+0x1f4/0x3a0 net/ipv6/ip6_fib.c:1949
fib6_clean_all net/ipv6/ip6_fib.c:1960 [inline]
fib6_run_gc+0x16b/0x3c0 net/ipv6/ip6_fib.c:2016
fib6_gc_timer_cb+0x20/0x30 net/ipv6/ip6_fib.c:2033
call_timer_fn+0x228/0x820 kernel/time/timer.c:1320
expire_timers kernel/time/timer.c:1357 [inline]
__run_timers+0x7ee/0xb70 kernel/time/timer.c:1660
run_timer_softirq+0x4c/0xb0 kernel/time/timer.c:1686
__do_softirq+0x2d7/0xb85 kernel/softirq.c:285
invoke_softirq kernel/softirq.c:365 [inline]
irq_exit+0x1cc/0x200 kernel/softirq.c:405
exiting_irq arch/x86/include/asm/apic.h:540 [inline]
smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052
apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:904
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50
RSP: 0000:ffff8801c6077458 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
RAX: ffffea00071fd260 RBX: ffffea00071fd240 RCX: 1ffff10038c0ee91
RDX: dffffc0000000000 RSI: 0000000000476000 RDI: ffffea00071fd240
RBP: ffff8801c6077530 R08: 0000000000000000 R09: 1ffff10038c0ee0b
R10: ffff8801c6076f90 R11: 0000000000000003 R12: 1ffff10038c0ee8d
R13: ffff8801c60774c8 R14: ffff8801c6077508 R15: ffffea00071fd220
filemap_map_pages+0x10a0/0x15d0 mm/filemap.c:2683
do_fault_around mm/memory.c:3567 [inline]
do_read_fault mm/memory.c:3601 [inline]
do_fault mm/memory.c:3706 [inline]
handle_pte_fault mm/memory.c:3937 [inline]
__handle_mm_fault+0x21ff/0x3ce0 mm/memory.c:4061
handle_mm_fault+0x334/0x8d0 mm/memory.c:4098
__do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1429
do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504
page_fault+0x4c/0x60 arch/x86/entry/entry_64.S:1225
RIP: 0033:0x47e180
RSP: 002b:0000000000a2fa28 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000002235914 RCX: 000000000045553a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000002235940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000002e33
R13: 0000000000000004 R14: 000000000007f95f R15: 0000000000000001
=============================
WARNING: suspicious RCU usage
4.15.0-rc5+ #177 Not tainted
-----------------------------
net/ipv6/ip6_fib.c:1639 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
7 locks held by syz-executor5/17359:
#0: (&mm->mmap_sem){++++}, at: [<00000000c8a2aab0>] __do_page_fault+0x32d/0xc90 arch/x86/mm/fault.c:1358
#1: (rcu_read_lock){....}, at: [<00000000e634a999>] filemap_map_pages+0x1ce/0x15d0 mm/filemap.c:2622
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] spin_lock include/linux/spinlock.h:310 [inline]
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] pte_alloc_one_map mm/memory.c:3272 [inline]
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] alloc_set_pte+0x1102/0x1880 mm/memory.c:3400
#3: ((&net->ipv6.ip6_fib_timer)){+.-.}, at: [<00000000ff17a0d4>] lockdep_copy_map include/linux/lockdep.h:178 [inline]
#3: ((&net->ipv6.ip6_fib_timer)){+.-.}, at: [<00000000ff17a0d4>] call_timer_fn+0x1c6/0x820 kernel/time/timer.c:1310
#4: (&(&net->ipv6.fib6_gc_lock)->rlock){+.-.}, at: [<0000000004ef4f2f>] spin_lock_bh include/linux/spinlock.h:315 [inline]
#4: (&(&net->ipv6.fib6_gc_lock)->rlock){+.-.}, at: [<0000000004ef4f2f>] fib6_run_gc+0x9d/0x3c0 net/ipv6/ip6_fib.c:2007
#5: (rcu_read_lock){....}, at: [<00000000367b7b04>] __fib6_clean_all+0x0/0x3a0 net/ipv6/ip6_fib.c:1560
#6: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<00000000e7c3df18>] spin_lock_bh include/linux/spinlock.h:315 [inline]
#6: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<00000000e7c3df18>] __fib6_clean_all+0x1d0/0x3a0 net/ipv6/ip6_fib.c:1948
stack backtrace:
CPU: 0 PID: 17359 Comm: syz-executor5 Not tainted 4.15.0-rc5+ #177
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4585
fib6_del_route net/ipv6/ip6_fib.c:1638 [inline]
fib6_del+0xd18/0x11b0 net/ipv6/ip6_fib.c:1731
fib6_clean_node+0x3aa/0x4f0 net/ipv6/ip6_fib.c:1892
fib6_walk_continue+0x46c/0x8a0 net/ipv6/ip6_fib.c:1815
fib6_walk+0x91/0xf0 net/ipv6/ip6_fib.c:1863
fib6_clean_tree+0x1e6/0x340 net/ipv6/ip6_fib.c:1933
__fib6_clean_all+0x1f4/0x3a0 net/ipv6/ip6_fib.c:1949
fib6_clean_all net/ipv6/ip6_fib.c:1960 [inline]
fib6_run_gc+0x16b/0x3c0 net/ipv6/ip6_fib.c:2016
fib6_gc_timer_cb+0x20/0x30 net/ipv6/ip6_fib.c:2033
call_timer_fn+0x228/0x820 kernel/time/timer.c:1320
expire_timers kernel/time/timer.c:1357 [inline]
__run_timers+0x7ee/0xb70 kernel/time/timer.c:1660
run_timer_softirq+0x4c/0xb0 kernel/time/timer.c:1686
__do_softirq+0x2d7/0xb85 kernel/softirq.c:285
invoke_softirq kernel/softirq.c:365 [inline]
irq_exit+0x1cc/0x200 kernel/softirq.c:405
exiting_irq arch/x86/include/asm/apic.h:540 [inline]
smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052
apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:904
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50
RSP: 0000:ffff8801c6077458 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
RAX: ffffea00071fd260 RBX: ffffea00071fd240 RCX: 1ffff10038c0ee91
RDX: dffffc0000000000 RSI: 0000000000476000 RDI: ffffea00071fd240
RBP: ffff8801c6077530 R08: 0000000000000000 R09: 1ffff10038c0ee0b
R10: ffff8801c6076f90 R11: 0000000000000003 R12: 1ffff10038c0ee8d
R13: ffff8801c60774c8 R14: ffff8801c6077508 R15: ffffea00071fd220
filemap_map_pages+0x10a0/0x15d0 mm/filemap.c:2683
do_fault_around mm/memory.c:3567 [inline]
do_read_fault mm/memory.c:3601 [inline]
do_fault mm/memory.c:3706 [inline]
handle_pte_fault mm/memory.c:3937 [inline]
__handle_mm_fault+0x21ff/0x3ce0 mm/memory.c:4061
handle_mm_fault+0x334/0x8d0 mm/memory.c:4098
__do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1429
do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504
page_fault+0x4c/0x60 arch/x86/entry/entry_64.S:1225
RIP: 0033:0x47e180
RSP: 002b:0000000000a2fa28 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000002235914 RCX: 000000000045553a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000002235940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000002e33
R13: 0000000000000004 R14: 000000000007f95f R15: 0000000000000001
=============================
WARNING: suspicious RCU usage
4.15.0-rc5+ #177 Not tainted
-----------------------------
net/ipv6/ip6_fib.c:1676 suspicious rcu_dereference_protected() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
8 locks held by syz-executor5/17359:
#0: (&mm->mmap_sem){++++}, at: [<00000000c8a2aab0>] __do_page_fault+0x32d/0xc90 arch/x86/mm/fault.c:1358
#1: (rcu_read_lock){....}, at: [<00000000e634a999>] filemap_map_pages+0x1ce/0x15d0 mm/filemap.c:2622
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] spin_lock include/linux/spinlock.h:310 [inline]
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] pte_alloc_one_map mm/memory.c:3272 [inline]
#2: (&(ptlock_ptr(page))->rlock#2){+.+.}, at: [<00000000c9da3e29>] alloc_set_pte+0x1102/0x1880 mm/memory.c:3400
#3: ((&net->ipv6.ip6_fib_timer)){+.-.}, at: [<00000000ff17a0d4>] lockdep_copy_map include/linux/lockdep.h:178 [inline]
#3: ((&net->ipv6.ip6_fib_timer)){+.-.}, at: [<00000000ff17a0d4>] call_timer_fn+0x1c6/0x820 kernel/time/timer.c:1310
#4: (&(&net->ipv6.fib6_gc_lock)->rlock){+.-.}, at: [<0000000004ef4f2f>] spin_lock_bh include/linux/spinlock.h:315 [inline]
#4: (&(&net->ipv6.fib6_gc_lock)->rlock){+.-.}, at: [<0000000004ef4f2f>] fib6_run_gc+0x9d/0x3c0 net/ipv6/ip6_fib.c:2007
#5: (rcu_read_lock){....}, at: [<00000000367b7b04>] __fib6_clean_all+0x0/0x3a0 net/ipv6/ip6_fib.c:1560
#6: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<00000000e7c3df18>] spin_lock_bh include/linux/spinlock.h:315 [inline]
#6: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<00000000e7c3df18>] __fib6_clean_all+0x1d0/0x3a0 net/ipv6/ip6_fib.c:1948
#7: (&net->ipv6.fib6_walker_lock){++--}, at: [<00000000f92a121a>] fib6_del_route net/ipv6/ip6_fib.c:1671 [inline]
#7: (&net->ipv6.fib6_walker_lock){++--}, at: [<00000000f92a121a>] fib6_del+0x935/0x11b0 net/ipv6/ip6_fib.c:1731
stack backtrace:
CPU: 0 PID: 17359 Comm: syz-executor5 Not tainted 4.15.0-rc5+ #177
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4585
fib6_del_route net/ipv6/ip6_fib.c:1675 [inline]
fib6_del+0xeb3/0x11b0 net/ipv6/ip6_fib.c:1731
fib6_clean_node+0x3aa/0x4f0 net/ipv6/ip6_fib.c:1892
fib6_walk_continue+0x46c/0x8a0 net/ipv6/ip6_fib.c:1815
fib6_walk+0x91/0xf0 net/ipv6/ip6_fib.c:1863
fib6_clean_tree+0x1e6/0x340 net/ipv6/ip6_fib.c:1933
__fib6_clean_all+0x1f4/0x3a0 net/ipv6/ip6_fib.c:1949
fib6_clean_all net/ipv6/ip6_fib.c:1960 [inline]
fib6_run_gc+0x16b/0x3c0 net/ipv6/ip6_fib.c:2016
fib6_gc_timer_cb+0x20/0x30 net/ipv6/ip6_fib.c:2033
call_timer_fn+0x228/0x820 kernel/time/timer.c:1320
expire_timers kernel/time/timer.c:1357 [inline]
__run_timers+0x7ee/0xb70 kernel/time/timer.c:1660
run_timer_softirq+0x4c/0xb0 kernel/time/timer.c:1686
__do_softirq+0x2d7/0xb85 kernel/softirq.c:285
invoke_softirq kernel/softirq.c:365 [inline]
irq_exit+0x1cc/0x200 kernel/softirq.c:405
exiting_irq arch/x86/include/asm/apic.h:540 [inline]
smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052
apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:904
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50
RSP: 0000:ffff8801c6077458 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
RAX: ffffea00071fd260 RBX: ffffea00071fd240 RCX: 1ffff10038c0ee91
RDX: dffffc0000000000 RSI: 0000000000476000 RDI: ffffea00071fd240
RBP: ffff8801c6077530 R08: 0000000000000000 R09: 1ffff10038c0ee0b
R10: ffff8801c6076f90 R11: 0000000000000003 R12: 1ffff10038c0ee8d
R13: ffff8801c60774c8 R14: ffff8801c6077508 R15: ffffea00071fd220
filemap_map_pages+0x10a0/0x15d0 mm/filemap.c:2683
do_fault_around mm/memory.c:3567 [inline]
do_read_fault mm/memory.c:3601 [inline]
do_fault mm/memory.c:3706 [inline]
handle_pte_fault mm/memory.c:3937 [inline]
__handle_mm_fault+0x21ff/0x3ce0 mm/memory.c:4061
handle_mm_fault+0x334/0x8d0 mm/memory.c:4098
__do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1429
do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504
page_fault+0x4c/0x60 arch/x86/entry/entry_64.S:1225
RIP: 0033:0x47e180
RSP: 002b:0000000000a2fa28 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000002235914 RCX: 000000000045553a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000002235940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000002e33
R13: 0000000000000004 R14: 000000000007f95f R15: 0000000000000001
nla_parse: 7 callbacks suppressed
netlink: 256 bytes leftover after parsing attributes in process `syz-executor5'.
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=57617 sclass=netlink_xfrm_socket pig=17500 comm=syz-executor7
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=57617 sclass=netlink_xfrm_socket pig=17523 comm=syz-executor7
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5809 sclass=netlink_route_socket pig=17557 comm=syz-executor6
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5809 sclass=netlink_route_socket pig=17557 comm=syz-executor6
netlink: 73 bytes leftover after parsing attributes in process `syz-executor7'.
validate_nla: 2 callbacks suppressed
netlink: 'syz-executor6': attribute type 1 has an invalid length.
netlink: 'syz-executor6': attribute type 1 has an invalid length.
netlink: 73 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 11 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 11 bytes leftover after parsing attributes in process `syz-executor3'.
sctp: [Deprecated]: syz-executor0 (pid 17791) Use of int in maxseg socket option.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor0 (pid 17791) Use of int in maxseg socket option.
Use struct sctp_assoc_value instead
netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'.
netlink: 40 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 40 bytes leftover after parsing attributes in process `syz-executor0'.
device lo entered promiscuous mode
?: renamed from ip6_vti0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 18086 Comm: syz-executor1 Not tainted 4.15.0-rc5+ #177
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
fail_dump lib/fault-inject.c:51 [inline]
should_fail+0x8c0/0xa40 lib/fault-inject.c:149
should_failslab+0xec/0x120 mm/failslab.c:32
slab_pre_alloc_hook mm/slab.h:421 [inline]
slab_alloc_node mm/slab.c:3289 [inline]
kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3632
__alloc_skb+0xf1/0x780 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:983 [inline]
nlmsg_new include/net/netlink.h:511 [inline]
inet6_rt_notify+0xf3/0x290 net/ipv6/route.c:4369
fib6_del_route net/ipv6/ip6_fib.c:1694 [inline]
fib6_del+0xbec/0x11b0 net/ipv6/ip6_fib.c:1731
__ip6_del_rt+0xc7/0x120 net/ipv6/route.c:2810
ip6_del_rt+0x132/0x1a0 net/ipv6/route.c:2823
__ipv6_dev_ac_dec+0x3b1/0x600 net/ipv6/anycast.c:329
ipv6_dev_ac_dec net/ipv6/anycast.c:342 [inline]
ipv6_sock_ac_close+0x2b4/0x3e0 net/ipv6/anycast.c:197
inet6_release+0x48/0x70 net/ipv6/af_inet6.c:430
sock_release+0x8d/0x1e0 net/socket.c:593
sock_close+0x16/0x20 net/socket.c:1121
__fput+0x327/0x7e0 fs/file_table.c:210
____fput+0x15/0x20 fs/file_table.c:244
task_work_run+0x199/0x270 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:191 [inline]
exit_to_usermode_loop+0x296/0x310 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264
entry_SYSCALL_64_fastpath+0x98/0x9a
RIP: 0033:0x452ac9
RSP: 002b:00007fed102eac58 EFLAGS: 00000212 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000000000071bea0 RCX: 0000000000452ac9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013
RBP: 0000000000000049 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee778
R13: 0000000000000014 R14: 00007fed102eb6d4 R15: ffffffffffffffff
netlink: 70 bytes leftover after parsing attributes in process `syz-executor7'.
device lo left promiscuous mode
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 18240 Comm: syz-executor5 Not tainted 4.15.0-rc5+ #177
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:53
fail_dump lib/fault-inject.c:51 [inline]
should_fail+0x8c0/0xa40 lib/fault-inject.c:149
should_failslab+0xec/0x120 mm/failslab.c:32
slab_pre_alloc_hook mm/slab.h:421 [inline]
slab_alloc_node mm/slab.c:3289 [inline]
kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3632
__alloc_skb+0xf1/0x780 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:983 [inline]
nlmsg_new include/net/netlink.h:511 [inline]
inet6_rt_notify+0xf3/0x290 net/ipv6/route.c:4369
fib6_del_route net/ipv6/ip6_fib.c:1694 [inline]
fib6_del+0xbec/0x11b0 net/ipv6/ip6_fib.c:1731
__ip6_del_rt+0xc7/0x120 net/ipv6/route.c:2810
ip6_del_rt+0x132/0x1a0 net/ipv6/route.c:2823
__ipv6_dev_ac_dec+0x3b1/0x600 net/ipv6/anycast.c:329
ipv6_dev_ac_dec net/ipv6/anycast.c:342 [inline]
ipv6_sock_ac_close+0x2b4/0x3e0 net/ipv6/anycast.c:197
inet6_release+0x48/0x70 net/ipv6/af_inet6.c:430
sock_release+0x8d/0x1e0 net/socket.c:593
sock_close+0x16/0x20 net/socket.c:1121
__fput+0x327/0x7e0 fs/file_table.c:210
____fput+0x15/0x20 fs/file_table.c:244
task_work_run+0x199/0x270 kernel/task_work.c:113
tracehook_notify_resume include/linux/tracehook.h:191 [inline]
exit_to_usermode_loop+0x296/0x310 arch/x86/entry/common.c:162
prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264
entry_SYSCALL_64_fastpath+0x98/0x9a
RIP: 0033:0x452ac9
RSP: 002b:00007f5228592c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 000000000071bea0 RCX: 0000000000452ac9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000013
RBP: 0000000000000049 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee778
R13: 0000000000000014 R14: 00007f52285936d4 R15: ffffffffffffffff
openvswitch: netlink: Message has 6 unknown bytes.
openvswitch: netlink: Message has 6 unknown bytes.
sctp: [Deprecated]: syz-executor6 (pid 18331) Use of int in maxseg socket option.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor6 (pid 18331) Use of int in maxseg socket option.
Use struct sctp_assoc_value instead
netlink: 'syz-executor6': attribute type 29 has an invalid length.
IPVS: length: 65046 != 24
dccp_close: ABORT with 1 bytes unread
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=260 sclass=netlink_route_socket pig=18866 comm=syz-executor7
nla_parse: 7 callbacks suppressed
netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'.
ip6tnl0: Invalid MTU 2003179473 requested, hw max 65392
netlink: 12 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 53 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 53 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 'syz-executor7': attribute type 6 has an invalid length.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 'syz-executor7': attribute type 6 has an invalid length.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 17 bytes leftover after parsing attributes in process `syz-executor6'.