Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 PID: 3261 Comm: syz-fuzzer Not tainted 5.12.0-rc3-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<81802550>] (dump_backtrace) from [<818027c4>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:252)
 r7:00000080 r6:60000193 r5:00000000 r4:82b58344
[<818027ac>] (show_stack) from [<81809e98>] (__dump_stack lib/dump_stack.c:79 [inline])
[<818027ac>] (show_stack) from [<81809e98>] (dump_stack+0xb8/0xe8 lib/dump_stack.c:120)
[<81809de0>] (dump_stack) from [<81803358>] (panic+0x130/0x378 kernel/panic.c:231)
 r7:81f4bca4 r6:82a390a4 r5:00000000 r4:82c6b0d0
[<81803228>] (panic) from [<818200c0>] (schedule_debug kernel/sched/core.c:4822 [inline])
[<81803228>] (panic) from [<818200c0>] (__schedule+0xcb8/0xcc8 kernel/sched/core.c:4967)
 r3:57ac6e9d r2:8563a888 r1:81f5a420 r0:81f4bca4
 r7:00000001
[<8181f408>] (__schedule) from [<8182077c>] (preempt_schedule_irq+0x54/0x88 kernel/sched/core.c:5530)
 r10:00000000 r9:85a74000 r8:80200ad4 r7:85a75294 r6:ffffffff r5:20000013
 r4:85a74000
[<81820728>] (preempt_schedule_irq) from [<80200afc>] (svc_preempt+0x8/0x18)
Exception stack(0x85a75260 to 0x85a752a8)
5260: 00000000 81f42cdc 5b71e000 60000093 85a752b0 828a2680 828a2680 00000000
5280: 00000000 60000013 00000000 85a75324 85a752a0 85a752b0 8181dacc 802bfbc4
52a0: 20000013 ffffffff
 r5:20000013 r4:802bfbc4
[<802bfaa0>] (lock_acquire.part.0) from [<802bff28>] (lock_acquire+0x6c/0x74 kernel/locking/lockdep.c:5483)
 r10:80612b6c r9:00000000 r8:00000001 r7:00000001 r6:00000000 r5:00000000
 r4:860929fc
[<802bfebc>] (lock_acquire) from [<81825008>] (down_read+0x48/0x5c kernel/locking/rwsem.c:1353)
 r10:860929c0 r9:86092a60 r8:00000000 r7:00000000 r6:86092a60 r5:80612b6c
 r4:860929c0
[<81824fc0>] (down_read) from [<80612b6c>] (ext4_map_blocks+0xe4/0x618 fs/ext4/inode.c:561)
 r5:000000e5 r4:85a75470
[<80612a88>] (ext4_map_blocks) from [<8063f410>] (ext4_mpage_readpages+0x630/0xbd8 fs/ext4/readpage.c:304)
 r10:00000000 r9:86092a60 r8:00000000 r7:00000001 r6:00000000 r5:000000e5
 r4:00000000
[<8063ede0>] (ext4_mpage_readpages) from [<8060ea74>] (ext4_readahead+0x3c/0x40 fs/ext4/inode.c:3262)
 r10:86092bdc r9:86092bd8 r8:81a203f4 r7:00000000 r6:85a7556c r5:85a75688
 r4:8060ea38
[<8060ea38>] (ext4_readahead) from [<8042ec90>] (read_pages+0x8c/0x1f0 mm/readahead.c:130)
[<8042ec04>] (read_pages) from [<8042ef48>] (page_cache_ra_unbounded+0x154/0x294 mm/readahead.c:238)
 r9:86092bd8 r8:85a7556c r7:00000020 r6:000000fc r5:85a75688 r4:df36cd30
[<8042edf4>] (page_cache_ra_unbounded) from [<8042f184>] (do_page_cache_ra+0xfc/0x150 mm/readahead.c:267)
 r10:86092b04 r9:00000001 r8:00000020 r7:80000013 r6:8042f3e4 r5:85a75688
 r4:86092a60
[<8042f088>] (do_page_cache_ra) from [<8042f3e4>] (ondemand_readahead+0x20c/0x47c mm/readahead.c:549)
 r10:00000001 r9:000000dc r8:00000020 r7:000000bc r6:85a75688 r5:00000000
 r4:8589e5e0
[<8042f1d8>] (ondemand_readahead) from [<8042f718>] (page_cache_async_ra mm/readahead.c:607 [inline])
[<8042f1d8>] (ondemand_readahead) from [<8042f718>] (page_cache_async_ra+0xc4/0x110 mm/readahead.c:581)
 r10:85a75818 r9:df36c160 r8:86092bd8 r7:85a75714 r6:00000000 r5:85a75688
 r4:8589e5e0
[<8042f654>] (page_cache_async_ra) from [<80420adc>] (page_cache_async_readahead include/linux/pagemap.h:863 [inline])
[<8042f654>] (page_cache_async_ra) from [<80420adc>] (filemap_readahead mm/filemap.c:2350 [inline])
[<8042f654>] (page_cache_async_ra) from [<80420adc>] (filemap_get_pages+0x254/0x648 mm/filemap.c:2391)
 r7:85a75714 r6:000000bb r5:85a75830 r4:000000bc
[<80420888>] (filemap_get_pages) from [<80420f98>] (filemap_read+0xc8/0x4e0 mm/filemap.c:2458)
 r10:85a75818 r9:86092a60 r8:805ff25c r7:85a75830 r6:00000000 r5:85a75818
 r4:85a75830
[<80420ed0>] (filemap_read) from [<80421548>] (generic_file_read_iter+0x198/0x234 mm/filemap.c:2609)
 r10:00001000 r9:00000000 r8:805ff25c r7:00001000 r6:00000000 r5:85a75818
 r4:85a75830
[<804213b0>] (generic_file_read_iter) from [<805ff25c>] (ext4_file_read_iter fs/ext4/file.c:130 [inline])
[<804213b0>] (generic_file_read_iter) from [<805ff25c>] (ext4_file_read_iter+0x54/0x118 fs/ext4/file.c:113)
 r10:00001000 r9:00000000 r8:00001000 r7:85a75888 r6:86092a60 r5:85a75830
 r4:85a75818
[<805ff208>] (ext4_file_read_iter) from [<804da2bc>] (__kernel_read+0x130/0x314 fs/read_write.c:454)
 r7:85a75888 r6:00000000 r5:00000000 r4:8589e500
[<804da18c>] (__kernel_read) from [<8073759c>] (integrity_kernel_read+0x20/0x28 security/integrity/iint.c:191)
 r9:00000000 r8:00400000 r7:85774000 r6:00000000 r5:8589e500 r4:000bb000
[<8073757c>] (integrity_kernel_read) from [<8073a754>] (ima_calc_file_hash_tfm+0x178/0x228 security/integrity/ima/ima_crypto.c:484)
[<8073a5dc>] (ima_calc_file_hash_tfm) from [<8073ac7c>] (ima_calc_file_shash security/integrity/ima/ima_crypto.c:515 [inline])
[<8073a5dc>] (ima_calc_file_hash_tfm) from [<8073ac7c>] (ima_calc_file_hash+0x124/0x8b8 security/integrity/ima/ima_crypto.c:572)
 r10:86092b04 r9:00000000 r8:00000001 r7:00000013 r6:832fab90 r5:856e3080
 r4:8589e500
[<8073ab58>] (ima_calc_file_hash) from [<8073bff8>] (ima_collect_measurement+0x224/0x260 security/integrity/ima/ima_api.c:252)
 r10:85fd7584 r9:86092b1c r8:85b3f660 r7:00000003 r6:00000000 r5:85b3f660
 r4:8589e500
[<8073bdd4>] (ima_collect_measurement) from [<807392a8>] (process_measurement+0x46c/0x7b0 security/integrity/ima/ima_main.c:330)
 r10:00000000 r9:86092b1c r8:85b3f660 r7:00000001 r6:00000001 r5:00000000
 r4:8589e500
[<80738e3c>] (process_measurement) from [<80739664>] (ima_file_check+0x78/0xa0 security/integrity/ima/ima_main.c:499)
 r10:00000000 r9:00000000 r8:8589e500 r7:00000000 r6:00000000 r5:85a75d48
 r4:00000006
[<807395ec>] (ima_file_check) from [<804ec638>] (do_open fs/namei.c:3367 [inline])
[<807395ec>] (ima_file_check) from [<804ec638>] (path_openat+0x20c/0x10f8 fs/namei.c:3498)
 r7:85a75e58 r6:82a3c39c r5:85a75f20 r4:00020002
[<804ec42c>] (path_openat) from [<804ef4ac>] (do_filp_open+0x7c/0x12c fs/namei.c:3525)
 r10:00000142 r9:85a74000 r8:80200224 r7:00000001 r6:85a75f20 r5:85a75e58
 r4:85a75f58
[<804ef430>] (do_filp_open) from [<804d782c>] (do_sys_openat2+0xa8/0x160 fs/open.c:1187)
 r7:ffffff9c r6:00000009 r5:85af7000 r4:85a75f58
[<804d7784>] (do_sys_openat2) from [<804d7cd0>] (do_sys_open fs/open.c:1203 [inline])
[<804d7784>] (do_sys_openat2) from [<804d7cd0>] (__do_sys_openat fs/open.c:1219 [inline])
[<804d7784>] (do_sys_openat2) from [<804d7cd0>] (sys_openat+0xa4/0xcc fs/open.c:1214)
 r7:00000142 r6:00000000 r5:0bc820a0 r4:ffffff9c
[<804d7c2c>] (sys_openat) from [<80200060>] (ret_fast_syscall+0x0/0x2c arch/arm/mm/proc-v7.S:64)
Exception stack(0x85a75fa8 to 0x85a75ff0)
5fa0:                   00000000 00000000 ffffff9c 0bc820a0 000a0002 000001a4
5fc0: 00000000 00000000 00000000 00000142 00000005 7ffffffb 02c000e0 00a26ce8
5fe0: 0bc820a3 02f58b5c 00012368 000b7738
 r5:00000000 r4:00000000
Rebooting in 86400 seconds..