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kernel BUG at mm/slab.c:2899!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 29851 Comm: syz-executor.1 Not tainted 5.2.0-rc1+ #3
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:alloc_block mm/slab.c:2899 [inline]
RIP: 0010:cache_alloc_refill mm/slab.c:2958 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3061 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3044 [inline]
RIP: 0010:__do_cache_alloc mm/slab.c:3283 [inline]
RIP: 0010:slab_alloc mm/slab.c:3318 [inline]
RIP: 0010:kmem_cache_alloc+0x5f8/0x6f0 mm/slab.c:3488
Code: 45 c8 4c 89 62 08 48 89 53 08 48 89 4b 10 4c 89 60 48 41 f6 45 23 40 0f 84 3d ff ff ff 48 c7 43 20 00 00 00 00 e9 30 ff ff ff <0f> 0b 0f 0b c7 46 0c 01 00 00 00 e9 42 ff ff ff 0f 1f 44 00 00 8b
RSP: 0018:ffff8882164a7c68 EFLAGS: 00010086
RAX: 0000000000000015 RBX: ffffea0002922580 RCX: ffff8880a00cbd38
RDX: ffff8880a00cbd38 RSI: 0000000000000000 RDI: ffff8880a00cbd00
RBP: ffff8882164a7cd0 R08: 1ffff11042c94f7a R09: 0000000000000010
R10: ffffed1042c94f7a R11: 0000000000000003 R12: ffff8880a7bf7a80
R13: ffff88809064c1c0 R14: 0000000000000010 R15: ffffe8ffffd66990
FS:  00007f2b37e65700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 00000002192bb000 CR4: 00000000001406e0
Call Trace:
 ep_insert+0x1d3/0x1720 fs/eventpoll.c:1515
 __do_sys_epoll_ctl fs/eventpoll.c:2222 [inline]
 __se_sys_epoll_ctl fs/eventpoll.c:2108 [inline]
 __x64_sys_epoll_ctl+0x884/0xe40 fs/eventpoll.c:2108
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459279
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f2b37e64c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459279
RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000246 R12: 00007f2b37e656d4
R13: 00000000004bf89d R14: 00000000004d0e88 R15: 00000000ffffffff
Modules linked in:

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