BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 1, pid: 9742, name: syz-executor4 overlayfs: unrecognized mount option "u) te+JblAnM<|L"ϊo;Ct4DCsu.U9gtb|KMW2/FhCQV@i&fJ(HWC%Kl\(H4ݴ47rgw``e;ܱmCقPd6&^и=-gB ?$›s3&lKM " or missing value 3 locks held by syz-executor4/9742: #0: (ptrval) (&mm->mmap_sem){++++}, at: __do_page_fault+0x381/0xe40 arch/x86/mm/fault.c:1328 #1: (ptrval) (sb_pagefaults){.+.+}, at: sb_start_pagefault include/linux/fs.h:1579 [inline] #1: (ptrval) (sb_pagefaults){.+.+}, at: ext4_page_mkwrite+0x1c8/0x1420 fs/ext4/inode.c:6094 #2: (ptrval) (jbd2_handle){.+.+}, at: start_this_handle+0x581/0x1250 fs/jbd2/transaction.c:385 irq event stamp: 476 hardirqs last enabled at (475): [] lookup_bh_lru fs/buffer.c:1271 [inline] hardirqs last enabled at (475): [] __find_get_block+0x2b8/0xe50 fs/buffer.c:1283 hardirqs last disabled at (476): [] interrupt_entry+0xb5/0xf0 arch/x86/entry/entry_64.S:625 softirqs last enabled at (176): [] __do_softirq+0x778/0xaf5 kernel/softirq.c:311 softirqs last disabled at (125): [] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (125): [] irq_exit+0x1d1/0x200 kernel/softirq.c:405 CPU: 0 PID: 9742 Comm: syz-executor4 Not tainted 4.17.0-rc2+ #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 ___might_sleep.cold.87+0x11f/0x13a kernel/sched/core.c:6188 __might_sleep+0x95/0x190 kernel/sched/core.c:6141 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x2b9/0x760 mm/slab.c:3727 kmalloc_array include/linux/slab.h:631 [inline] kcalloc include/linux/slab.h:642 [inline] numa_crng_init drivers/char/random.c:798 [inline] crng_reseed+0x427/0x920 drivers/char/random.c:923 credit_entropy_bits+0x98d/0xa30 drivers/char/random.c:708 add_interrupt_randomness+0x494/0x860 drivers/char/random.c:1254 handle_irq_event_percpu+0xf9/0x1c0 kernel/irq/handle.c:191 handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206 handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77 do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:check_memory_region+0xc3/0x1b0 mm/kasan/kasan.c:268 RSP: 0000:ffff88019cf67050 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffda RAX: ffffed003b5c46c3 RBX: 1ffff100339ece0e RCX: ffffffff81642dd5 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8801dae23610 RBP: ffff88019cf67058 R08: ffffed003b5c46c3 R09: ffffed003b5c46c2 R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: ffff8801dae23600 R13: ffff8801dae23610 R14: ffff88019cf670d0 R15: dffffc0000000000 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:349 [inline] rcu_is_watching+0x85/0x140 kernel/rcu/tree.c:1075 rcu_read_lock_sched_held+0x8d/0x120 kernel/rcu/update.c:112 trace_jbd2_handle_stats include/trace/events/jbd2.h:196 [inline] jbd2_journal_stop+0xc79/0x15a0 fs/jbd2/transaction.c:1658 __ext4_journal_stop+0xde/0x1f0 fs/ext4/ext4_jbd2.c:103 ext4_dirty_inode+0xab/0xc0 fs/ext4/inode.c:5953 __mark_inode_dirty+0x811/0x1530 fs/fs-writeback.c:2129 generic_update_time+0x255/0x420 fs/inode.c:1656 update_time fs/inode.c:1672 [inline] file_update_time+0x384/0x640 fs/inode.c:1883 ext4_page_mkwrite+0x1f6/0x1420 fs/ext4/inode.c:6095 do_page_mkwrite+0x146/0x500 mm/memory.c:2371 do_shared_fault mm/memory.c:3697 [inline] do_fault mm/memory.c:3736 [inline] handle_pte_fault mm/memory.c:3963 [inline] __handle_mm_fault+0x2a6c/0x4310 mm/memory.c:4087 handle_mm_fault+0x53a/0xc70 mm/memory.c:4124 __do_page_fault+0x60b/0xe40 arch/x86/mm/fault.c:1399 do_page_fault+0xee/0x8a7 arch/x86/mm/fault.c:1474 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1160 RIP: 0033:0x408160 RSP: 002b:00007fff2436f430 EFLAGS: 00010287 RAX: 0000001b2bc20000 RBX: 0000000000000081 RCX: 00000000004556a7 RDX: 0000001b2bc20004 RSI: 00000000004bae00 RDI: 0000000000000000 RBP: 0000000000000013 R08: 0000000000000000 R09: 00000000012b4940 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000001380 random: crng init done 9pnet_virtio: no channels available for device ./file0 9pnet_virtio: no channels available for device ./file0 gfs2: gfs2 mount does not exist hM==: renamed from lo gfs2: gfs2 mount does not exist IPVS: ftp: loaded support on port[0] = 21 xprt_adjust_timeout: rq_timeout = 0! xprt_adjust_timeout: rq_timeout = 0! IPVS: ftp: loaded support on port[0] = 21 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 proc: unrecognized mount option "5LĐ[fE講^91_х4Q|$>C w+8akCZ58Fƥ l` ڭ90 KqUIHgNGzxr!YvPȂn%//]5_;iQxv 5U30׳ޜ3ѼY"2`jkcgIqtn_مkmhAf: FRz"NBO *ER@l0$+KaVy?0 du4 $RHVG!V ;M 5ׄk!#@|_H_'N>06 [ &{yR135 ݉kmů֎B=V츫g `0NH:?UsCt -2_T7vفe˼LTbԈl yJI:1^;䓣HhkBjatK_4+Tz414e proc: unrecognized mount option "5LĐ[fE講^91_х4Q|$>C w+8akCZ58Fƥ l` ڭ90 KqUIHgNGzxr!YvPȂn%//]5_;iQxv 5U30׳ޜ3ѼY"2`jkcgIqtn_مkmhAf: FRz"NBO *ER@l0$+KaVy?0 du4 $RHVG!V ;M 5ׄk!#@|_H_'N>06 [ &{yR135 ݉kmů֎B=V츫g `0NH:?UsCt -2_T7vفe˼LTbԈl yJI:1^;䓣HhkBjatK_4+Tz414e rpcbind: RPC call returned error 22 can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. rpcbind: RPC call returned error 22