syzbot


BUG: sleeping function called from invalid context in __bread_gfp

Status: upstream: reported C repro on 2022/11/29 08:21
Reported-by: syzbot+5869fb71f59eac925756@syzkaller.appspotmail.com
First crash: 68d, last: 3d22h

Cause bisection: failed (bisect log)
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 BUG: sleeping function called from invalid context in __bread_gfp sysv fat C 146 1d09h 81d 0/1 upstream: reported C repro on 2022/11/15 20:37
linux-4.14 BUG: sleeping function called from invalid context in __bread_gfp sysv fat C 63 17h28m 81d 0/1 upstream: reported C repro on 2022/11/15 20:41

Sample crash report:
Buffer I/O error on dev loop0, logical block 13466417, async page read
syz-executor311: attempt to access beyond end of device
loop0: rw=0, sector=8073605, nr_sectors = 1 limit=128
Buffer I/O error on dev loop0, logical block 8073605, async page read
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5062, name: syz-executor311
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor311/5062:
 #0: ffff88807e8373e0 (&iint->mutex){+.+.}-{3:3}, at: process_measurement+0x3ab/0x18b0 security/integrity/ima/ima_main.c:260
 #1: ffff888076038328 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
 #1: ffff888076038328 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226
 #2: ffffffff8c96d118 (pointers_lock){.+.+}-{2:2}, at: get_block+0x16b/0x1580 fs/sysv/itree.c:217
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 5062 Comm: syz-executor311 Not tainted 6.1.0-syzkaller-13409-g2f26e424552e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9985
 __getblk_gfp fs/buffer.c:1331 [inline]
 __bread_gfp+0x40/0x330 fs/buffer.c:1367
 sb_bread include/linux/buffer_head.h:338 [inline]
 get_branch+0x2cd/0x640 fs/sysv/itree.c:104
 get_block+0x188/0x1580 fs/sysv/itree.c:218
 block_read_full_folio+0x35b/0x9d0 fs/buffer.c:2271
 read_pages+0x9fb/0xd40 mm/readahead.c:181
 page_cache_ra_unbounded+0x477/0x5e0 mm/readahead.c:270
 do_page_cache_ra mm/readahead.c:300 [inline]
 page_cache_ra_order+0x6ec/0xa00 mm/readahead.c:560
 ondemand_readahead+0x6b3/0x1000 mm/readahead.c:682
 page_cache_sync_ra+0x1c9/0x200 mm/readahead.c:709
 page_cache_sync_readahead include/linux/pagemap.h:1210 [inline]
 filemap_get_pages+0x2ca/0x16b0 mm/filemap.c:2600
 filemap_read+0x315/0xc00 mm/filemap.c:2694
 generic_file_read_iter+0x3ad/0x5b0 mm/filemap.c:2840
 __kernel_read+0x2ca/0x7c0 fs/read_write.c:428
 integrity_kernel_read+0x7f/0xb0 security/integrity/iint.c:199
 ima_calc_file_hash_tfm+0x2aa/0x3b0 security/integrity/ima/ima_crypto.c:485
 ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline]
 ima_calc_file_hash+0x195/0x4a0 security/integrity/ima/ima_crypto.c:573
 ima_collect_measurement+0x642/0x7b0 security/integrity/ima/ima_api.c:292
 process_measurement+0xd23/0x18b0 security/integrity/ima/ima_main.c:339
 ima_file_check+0xb0/0x100 security/integrity/ima/ima_main.c:519
 do_open fs/namei.c:3559 [inline]
 path_openat+0x15f1/0x2a50 fs/namei.c:3714
 do_filp_open+0x1ba/0x410 fs/namei.c:3741
 do_sys_openat2+0x16d/0x4c0 fs/open.c:1310
 do_sys_open fs/open.c:1326 [inline]
 __do_sys_open fs/open.c:1334 [inline]
 __se_sys_open fs/open.c:1330 [inline]
 __x64_sys_open+0x11d/0x1c0 fs/open.c:1330
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd3e7d0f769
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd2806d7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fd3e7d0f769
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fd3e7ccf000 R08: 0000000000009e07 R09: 0000000000000000
R10: 00007ffd2806d6a0 R11: 0000000000000246 R12: 00007fd3e7ccf090
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
syz-executor311: attempt to access beyond end of device
loop0: rw=0, sector=3245518, nr_sectors = 1 limit=128
Buffer I/O error on dev loop0, logical block 3245518, async page read
syz-executor311: attempt to access beyond end of device
loop0: rw=0, sector=8769403, nr_sectors = 1 limit=128
Buffer I/O error on dev loop0, logical block 8769403, async page read

Crashes (148):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce-root 2022/12/20 02:24 upstream 2f26e424552e c52b2efb .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2022/12/12 17:10 upstream 830b3c68c1fb 67be1ae7 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2022/12/12 13:43 upstream 830b3c68c1fb 67be1ae7 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2022/11/29 07:58 linux-next 9e46a7996732 ca9683b8 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2022/12/20 04:08 upstream 2f26e424552e c52b2efb .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2022/11/29 10:05 upstream ca57f02295f1 ca9683b8 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/01/16 07:25 linux-next 0a093b2893c7 a63719e7 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/31 07:40 upstream 22b8077d0fce 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/30 16:55 upstream 6d796c50f84c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/30 14:24 upstream 6d796c50f84c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/30 02:03 upstream ab072681eabe 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/29 04:34 upstream c96618275234 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/28 16:23 upstream 5af6ce704936 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/28 10:52 upstream 83abd4d4c4be 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/27 22:46 upstream 83abd4d4c4be 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2023/01/26 07:33 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2023/01/26 04:44 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/25 18:48 upstream 948ef7bb70c4 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2023/01/25 14:05 upstream 948ef7bb70c4 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2023/01/25 10:31 upstream fb6e71db53f3 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/25 05:53 upstream fb6e71db53f3 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/25 02:21 upstream fb6e71db53f3 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/25 00:37 upstream fb6e71db53f3 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2023/01/24 23:18 upstream fb6e71db53f3 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/24 12:41 upstream 7bf70dbb1882 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/22 00:33 upstream f883675bf652 559a440a .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/18 20:06 upstream c1649ec55708 42660d9e .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2023/01/18 02:18 upstream 6e50979a9c87 aedf5331 .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-qemu-upstream 2023/01/17 16:12 upstream 6e50979a9c87 aedf5331 .config console log report info BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/16 09:44 upstream 5dc4c995db9e a63719e7 .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/10 23:39 upstream 40c18f363a08 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2023/01/09 13:15 upstream 1fe4fd6f5cad 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2023/01/06 01:01 upstream 41c03ba9beea 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2023/01/04 10:15 upstream 69b41ac87e4a 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2023/01/04 08:53 upstream 69b41ac87e4a 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2023/01/03 16:22 upstream 69b41ac87e4a ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2022/12/31 13:36 upstream c8451c141e07 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2022/12/29 16:09 upstream 1b929c02afd3 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2022/12/29 15:01 upstream 1b929c02afd3 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2022/12/28 22:56 upstream 1b929c02afd3 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2022/12/28 18:14 upstream 1b929c02afd3 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-root 2022/12/28 17:12 upstream 1b929c02afd3 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2022/12/28 15:16 upstream 1b929c02afd3 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-kasan-gce-selinux-root 2022/11/28 22:05 upstream b7b275e60bcd 247de55b .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-qemu-upstream-386 2023/01/08 17:18 upstream e9ffbf16caa6 1dac8c7a .config console log report info BUG: sleeping function called from invalid context in __bread_gfp
ci-qemu-upstream-386 2022/12/31 03:40 upstream bff687b3dad6 ab32d508 .config console log report info BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/02/01 13:28 linux-next 66eee64b2354 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/02/01 10:17 linux-next 66eee64b2354 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/01/31 05:37 linux-next 80bd9028feca 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/01/31 01:28 linux-next e2f86c02fdc9 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/01/29 01:07 linux-next e2f86c02fdc9 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/01/27 10:25 linux-next e2f86c02fdc9 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/01/22 18:36 linux-next d514392f17fd 559a440a .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/01/07 22:03 linux-next cc3c08b41a9c 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/01/05 02:31 linux-next c76083fac3ba 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/01/04 18:26 linux-next c76083fac3ba 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/01/02 10:46 linux-next c76083fac3ba ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2023/01/01 21:44 linux-next c76083fac3ba ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2022/12/30 00:04 linux-next c76083fac3ba 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2022/12/28 21:01 linux-next c76083fac3ba 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
ci-upstream-linux-next-kasan-gce-root 2022/12/28 05:20 linux-next c76083fac3ba 44712fbc .config console log report info [disk image] [vmlinux] [kernel image] BUG: sleeping function called from invalid context in __bread_gfp
* Struck through repros no longer work on HEAD.