BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 1, pid: 2271, name: jbd2/sda1-8 2 locks held by jbd2/sda1-8/2271: #0: (ptrval) (&ei->i_data_sem){++++}, at: ext4_map_blocks+0x466/0x1b40 fs/ext4/inode.c:557 #1: (ptrval) (remove_cache_srcu){....}, at: quarantine_reduce+0x3f/0x170 mm/kasan/quarantine.c:261 irq event stamp: 55482 hardirqs last enabled at (55481): [] qlink_free mm/kasan/quarantine.c:150 [inline] hardirqs last enabled at (55481): [] qlist_free_all+0xe9/0x160 mm/kasan/quarantine.c:166 hardirqs last disabled at (55482): [] interrupt_entry+0xb5/0xf0 arch/x86/entry/entry_64.S:625 softirqs last enabled at (45708): [] __do_softirq+0x778/0xaf5 kernel/softirq.c:311 softirqs last disabled at (45699): [] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (45699): [] irq_exit+0x1d1/0x200 kernel/softirq.c:405 CPU: 0 PID: 2271 Comm: jbd2/sda1-8 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:qlist_free_all+0x41/0x160 mm/kasan/quarantine.c:164 RSP: 0018:ffff8801cc536388 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffd5 RAX: ffff8801a8781988 RBX: 0000000000000286 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffea0006b2795f RDI: 0000000000000286 RBP: ffff8801cc5363c0 R08: ffff8801cc52ea78 R09: 0000000000000006 R10: ffff8801cc52e240 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8801d8acec40 R14: ffff8801a8781880 R15: ffffffff88d18ae0 quarantine_reduce+0x141/0x170 mm/kasan/quarantine.c:259 kasan_kmalloc+0x99/0xe0 mm/kasan/kasan.c:538 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:490 slab_post_alloc_hook mm/slab.h:444 [inline] slab_alloc mm/slab.c:3392 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x137/0x760 mm/slab.c:3727 kmalloc include/linux/slab.h:517 [inline] kzalloc include/linux/slab.h:701 [inline] ext4_find_extent+0x6f3/0x960 fs/ext4/extents.c:882 ext4_ext_map_blocks+0x28a/0x6270 fs/ext4/extents.c:4280 ext4_map_blocks+0xe17/0x1b40 fs/ext4/inode.c:559 _ext4_get_block+0x21e/0x760 fs/ext4/inode.c:783 ext4_get_block+0x39/0x50 fs/ext4/inode.c:800 generic_block_bmap+0x166/0x230 fs/buffer.c:2957 ext4_bmap+0x1d3/0x440 fs/ext4/inode.c:3316 bmap+0x93/0xc0 fs/inode.c:1565 jbd2_journal_bmap+0x57/0xf0 fs/jbd2/journal.c:819 jbd2_journal_next_log_block+0x102/0x170 fs/jbd2/journal.c:802 jbd2_journal_commit_transaction+0x29ae/0x8c18 fs/jbd2/commit.c:619 kjournald2+0x26c/0xb30 fs/jbd2/journal.c:229 kthread+0x345/0x410 kernel/kthread.c:238 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 random: crng init done IPVS: ftp: loaded support on port[0] = 21 tmpfs: No value for mount option 'âÄ,8' tmpfs: No value for mount option 'âÄ,8' IPVS: ftp: loaded support on port[0] = 21 gfs2: gfs2 mount does not exist