RAX: 00007f72e26e5000 RBX: 00000000001bd000 RCX: 00007f72e2b85b2a
RDX: 00000000001bd000 RSI: 00000000001bb000 RDI: 00007f72e30b6000
RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000017ad116
R10: 0000000000000001 R11: 0000000000000206 R12: 00000000001bb000
R13: 00007f72e30b6000 R14: fffffffffffff000 R15: 00000000001bc010
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 1 PID: 7767 Comm: syz-executor5 Not tainted 4.20.0-rc7+ #378
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
Mem-Info:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x244/0x39d lib/dump_stack.c:113
active_anon:1368314 inactive_anon:277 isolated_anon:0
 active_file:29 inactive_file:29 isolated_file:0
 unevictable:1 dirty:0 writeback:6 unstable:0
 slab_reclaimable:12783 slab_unreclaimable:106126
 mapped:49154 shmem:339 pagetables:8312 bounce:0
 free:24162 free_pcp:267 free_cma:0
 panic+0x2ad/0x55c kernel/panic.c:188
 schedule_debug kernel/sched/core.c:3285 [inline]
 __schedule+0x21c6/0x21d0 kernel/sched/core.c:3394
Node 0 active_anon:5473256kB inactive_anon:1108kB active_file:116kB inactive_file:116kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:24kB shmem:1356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 120832kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
 preempt_schedule_notrace+0x70/0x140 kernel/sched/core.c:3670
 ___preempt_schedule_notrace+0x16/0x31
 rcu_is_watching+0x23/0x30 kernel/rcu/tree.c:907
 rcu_read_lock+0x43/0x70 include/linux/rcupdate.h:608
 mem_cgroup_iter+0x208/0x1160 mm/memcontrol.c:934
 shrink_node+0x340/0x16b0 mm/vmscan.c:2723
 shrink_zones mm/vmscan.c:2987 [inline]
 do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3049
 try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3264
 __perform_reclaim mm/page_alloc.c:3773 [inline]
 __alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
 __alloc_pages_slowpath+0xa48/0x2de0 mm/page_alloc.c:4185
 __alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
 alloc_pages_current+0x173/0x350 mm/mempolicy.c:2106
 alloc_pages include/linux/gfp.h:509 [inline]
 __page_cache_alloc+0x38c/0x5c0 mm/filemap.c:924
 pagecache_get_page+0x396/0xf00 mm/filemap.c:1554
 find_or_create_page include/linux/pagemap.h:322 [inline]
 ext4_mb_load_buddy_gfp+0xddf/0x1e70 fs/ext4/mballoc.c:1158
 ext4_free_blocks+0xbce/0x34f0 fs/ext4/mballoc.c:4856
 ext4_remove_blocks fs/ext4/extents.c:2615 [inline]
 ext4_ext_rm_leaf fs/ext4/extents.c:2768 [inline]
 ext4_ext_remove_space+0x2557/0x5b50 fs/ext4/extents.c:3010
 ext4_ext_truncate+0x1cc/0x220 fs/ext4/extents.c:4543
 ext4_truncate+0xf5c/0x1650 fs/ext4/inode.c:4533
 ext4_evict_inode+0xa10/0x1ad0 fs/ext4/inode.c:289
 evict+0x4b9/0x980 fs/inode.c:558
 iput_final fs/inode.c:1550 [inline]
 iput+0x679/0xa90 fs/inode.c:1576
 dentry_unlink_inode+0x461/0x5e0 fs/dcache.c:360
 __dentry_kill+0x44c/0x7a0 fs/dcache.c:552
 dentry_kill+0xc9/0x680 fs/dcache.c:671
 dput.part.25+0x660/0x860 fs/dcache.c:832
 dput+0x15/0x20 fs/dcache.c:814
 __fput+0x4cf/0xa30 fs/file_table.c:291
 ____fput+0x15/0x20 fs/file_table.c:309
 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x1ad6/0x26d0 kernel/exit.c:867
 do_group_exit+0x177/0x440 kernel/exit.c:970
 get_signal+0x8b0/0x1980 kernel/signal.c:2517
 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816
 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457669
Code: Bad RIP value.
RSP: 002b:00007f8093523cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072c2c8 RCX: 0000000000457669
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072c2c8
RBP: 000000000072c2c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072c2cc
R13: 00007ffc51e0280f R14: 00007f80935249c0 R15: 000000000072c2cc
Kernel Offset: disabled
Rebooting in 86400 seconds..