RAX: ffffffffffffffda RBX: 00007f0ed949bc90 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200004c0 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0ed949c6d4 R13: 00000000004fafdf R14: 00000000004dc880 R15: 0000000000000004 audit_panic: 4 callbacks suppressed audit: error in audit_log_task_context audit: type=1804 audit(1573079948.792:156): pid=20199 uid=0 auid=4294967295 ses=4294967295 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir155647254/syzkaller.RBcL2y/171/bus" dev="sda1" ino=17428 res=1 ima: Can not allocate sm3-256 (reason: -2) audit: type=1800 audit(1573079949.252:157): pid=20199 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=17428 res=0 net_ratelimit: 8 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 block nbd3: Attempted send on invalid socket protocol 88fb is buggy, dev hsr_slave_0 print_req_error: I/O error, dev nbd3, sector 64 isofs_fill_super: bread failed, dev=nbd3, iso_blknum=16, block=32 protocol 88fb is buggy, dev hsr_slave_1 audit: type=1804 audit(1573079949.472:158): pid=20325 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir155647254/syzkaller.RBcL2y/172/bus" dev="sda1" ino=17429 res=1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 20325 Comm: syz-executor.2 Not tainted 4.19.82 #0 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+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc_track_caller+0x2de/0x750 mm/slab.c:3742 __do_krealloc mm/slab_common.c:1468 [inline] krealloc+0x66/0xc0 mm/slab_common.c:1515 vfs_getxattr_alloc+0x26b/0x3b0 fs/xattr.c:288 ima_read_xattr+0x31/0x60 security/integrity/ima/ima_appraise.c:196 process_measurement+0xe93/0x1560 security/integrity/ima/ima_main.c:280 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a219 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0ed949bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f0ed949bc90 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200004c0 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0ed949c6d4 R13: 00000000004fafdf R14: 00000000004dc880 R15: 0000000000000004 block nbd3: Attempted send on invalid socket print_req_error: I/O error, dev nbd3, sector 64 isofs_fill_super: bread failed, dev=nbd3, iso_blknum=16, block=32 audit: type=1804 audit(1573079951.862:159): pid=20443 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir155647254/syzkaller.RBcL2y/173/bus" dev="sda1" ino=17446 res=1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 20443 Comm: syz-executor.2 Not tainted 4.19.82 #0 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+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x2cc/0x760 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] call_modprobe kernel/kmod.c:80 [inline] __request_module+0x327/0xb84 kernel/kmod.c:171 crypto_larval_lookup crypto/api.c:233 [inline] crypto_alg_mod_lookup+0x263/0x550 crypto/api.c:280 crypto_find_alg crypto/api.c:504 [inline] crypto_alloc_tfm+0xd9/0x2e0 crypto/api.c:537 crypto_alloc_shash+0x2d/0x40 crypto/shash.c:461 ima_alloc_tfm+0xa9/0xf0 security/integrity/ima/ima_crypto.c:90 ima_calc_file_shash security/integrity/ima/ima_crypto.c:389 [inline] ima_calc_file_hash+0x17f/0x970 security/integrity/ima/ima_crypto.c:458 ima_collect_measurement+0x50f/0x5c0 security/integrity/ima/ima_api.c:231 process_measurement+0xeca/0x1560 security/integrity/ima/ima_main.c:284 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a219 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0ed949bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f0ed949bc90 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200004c0 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0ed949c6d4 R13: 00000000004fafdf R14: 00000000004dc880 R15: 0000000000000004 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 ima: Can not allocate sm3-256 (reason: -2) audit: type=1800 audit(1573079952.352:160): pid=20443 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=17446 res=0 block nbd3: Attempted send on invalid socket print_req_error: I/O error, dev nbd3, sector 64 isofs_fill_super: bread failed, dev=nbd3, iso_blknum=16, block=32 audit: type=1804 audit(1573079952.572:161): pid=20564 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir155647254/syzkaller.RBcL2y/174/bus" dev="sda1" ino=17444 res=1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 20564 Comm: syz-executor.2 Not tainted 4.19.82 #0 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+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x2cc/0x760 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] call_modprobe kernel/kmod.c:80 [inline] __request_module+0x327/0xb84 kernel/kmod.c:171 crypto_larval_lookup crypto/api.c:237 [inline] crypto_alg_mod_lookup+0x42f/0x550 crypto/api.c:280 crypto_find_alg crypto/api.c:504 [inline] crypto_alloc_tfm+0xd9/0x2e0 crypto/api.c:537 crypto_alloc_shash+0x2d/0x40 crypto/shash.c:461 ima_alloc_tfm+0xa9/0xf0 security/integrity/ima/ima_crypto.c:90 ima_calc_file_shash security/integrity/ima/ima_crypto.c:389 [inline] ima_calc_file_hash+0x17f/0x970 security/integrity/ima/ima_crypto.c:458 ima_collect_measurement+0x50f/0x5c0 security/integrity/ima/ima_api.c:231 process_measurement+0xeca/0x1560 security/integrity/ima/ima_main.c:284 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a219 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0ed949bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f0ed949bc90 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200004c0 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0ed949c6d4 R13: 00000000004fafdf R14: 00000000004dc880 R15: 0000000000000004 ima: Can not allocate sm3-256 (reason: -2) audit: type=1800 audit(1573079953.022:162): pid=20564 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=17444 res=0 audit: type=1804 audit(1573079954.962:163): pid=20680 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir155647254/syzkaller.RBcL2y/175/bus" dev="sda1" ino=17460 res=1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 20680 Comm: syz-executor.2 Not tainted 4.19.82 #0 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+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x2cc/0x760 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] call_usermodehelper_setup+0x7b/0x2e0 kernel/umh.c:381 call_modprobe kernel/kmod.c:94 [inline] __request_module+0x440/0xb84 kernel/kmod.c:171 crypto_larval_lookup crypto/api.c:233 [inline] crypto_alg_mod_lookup+0x263/0x550 crypto/api.c:280 crypto_find_alg crypto/api.c:504 [inline] crypto_alloc_tfm+0xd9/0x2e0 crypto/api.c:537 crypto_alloc_shash+0x2d/0x40 crypto/shash.c:461 ima_alloc_tfm+0xa9/0xf0 security/integrity/ima/ima_crypto.c:90 ima_calc_file_shash security/integrity/ima/ima_crypto.c:389 [inline] ima_calc_file_hash+0x17f/0x970 security/integrity/ima/ima_crypto.c:458 ima_collect_measurement+0x50f/0x5c0 security/integrity/ima/ima_api.c:231 process_measurement+0xeca/0x1560 security/integrity/ima/ima_main.c:284 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a219 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0ed949bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f0ed949bc90 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200004c0 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0ed949c6d4 R13: 00000000004fafdf R14: 00000000004dc880 R15: 0000000000000004 ima: Can not allocate sm3-256 (reason: -2) audit: type=1800 audit(1573079955.452:164): pid=20680 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=17460 res=0 block nbd3: Attempted send on invalid socket print_req_error: I/O error, dev nbd3, sector 64 isofs_fill_super: bread failed, dev=nbd3, iso_blknum=16, block=32 net_ratelimit: 2 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 audit: type=1804 audit(1573079955.682:165): pid=20906 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir155647254/syzkaller.RBcL2y/176/bus" dev="sda1" ino=17463 res=1 block nbd3: Attempted send on invalid socket print_req_error: I/O error, dev nbd3, sector 64 isofs_fill_super: bread failed, dev=nbd3, iso_blknum=16, block=32 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 20906 Comm: syz-executor.2 Not tainted 4.19.82 #0 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+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x2cc/0x760 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] call_modprobe kernel/kmod.c:80 [inline] __request_module+0x327/0xb84 kernel/kmod.c:171 crypto_larval_lookup crypto/api.c:237 [inline] crypto_alg_mod_lookup+0x42f/0x550 crypto/api.c:280 crypto_find_alg crypto/api.c:504 [inline] crypto_alloc_tfm+0xd9/0x2e0 crypto/api.c:537 crypto_alloc_shash+0x2d/0x40 crypto/shash.c:461 ima_alloc_tfm+0xa9/0xf0 security/integrity/ima/ima_crypto.c:90 ima_calc_file_shash security/integrity/ima/ima_crypto.c:389 [inline] ima_calc_file_hash+0x17f/0x970 security/integrity/ima/ima_crypto.c:458 ima_collect_measurement+0x50f/0x5c0 security/integrity/ima/ima_api.c:231 process_measurement+0xeca/0x1560 security/integrity/ima/ima_main.c:284 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a219 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0ed949bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f0ed949bc90 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200004c0 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0ed949c6d4 R13: 00000000004fafdf R14: 00000000004dc880 R15: 0000000000000004 ima: Can not allocate sm3-256 (reason: -2) audit: type=1800 audit(1573079956.132:166): pid=20906 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=17463 res=0 audit: type=1804 audit(1573079958.052:167): pid=21018 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir155647254/syzkaller.RBcL2y/177/bus" dev="sda1" ino=17467 res=1 block nbd3: Attempted send on invalid socket print_req_error: I/O error, dev nbd3, sector 64 isofs_fill_super: bread failed, dev=nbd3, iso_blknum=16, block=32 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 21018 Comm: syz-executor.2 Not tainted 4.19.82 #0 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+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc_track_caller+0x2de/0x750 mm/slab.c:3742 kstrdup+0x3a/0x70 mm/util.c:56 call_modprobe kernel/kmod.c:84 [inline] __request_module+0x345/0xb84 kernel/kmod.c:171 crypto_larval_lookup crypto/api.c:237 [inline] crypto_alg_mod_lookup+0x42f/0x550 crypto/api.c:280 crypto_find_alg crypto/api.c:504 [inline] crypto_alloc_tfm+0xd9/0x2e0 crypto/api.c:537 crypto_alloc_shash+0x2d/0x40 crypto/shash.c:461 ima_alloc_tfm+0xa9/0xf0 security/integrity/ima/ima_crypto.c:90 ima_calc_file_shash security/integrity/ima/ima_crypto.c:389 [inline] ima_calc_file_hash+0x17f/0x970 security/integrity/ima/ima_crypto.c:458 ima_collect_measurement+0x50f/0x5c0 security/integrity/ima/ima_api.c:231 process_measurement+0xeca/0x1560 security/integrity/ima/ima_main.c:284 block nbd3: Attempted send on invalid socket ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x45e0 fs/namei.c:3534 print_req_error: I/O error, dev nbd3, sector 64 isofs_fill_super: bread failed, dev=nbd3, iso_blknum=16, block=32 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_open fs/open.c:1106 [inline] __se_sys_open fs/open.c:1101 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1101 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a219 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0ed949bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f0ed949bc90 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200004c0 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0ed949c6d4 R13: 00000000004fafdf R14: 00000000004dc880 R15: 0000000000000004 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 ima: Can not allocate sm3-256 (reason: -2) audit: type=1800 audit(1573079958.642:168): pid=21018 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.2" name="bus" dev="sda1" ino=17467 res=0 block nbd3: Attempted send on invalid socket print_req_error: I/O error, dev nbd3, sector 64 audit: type=1804 audit(1573079958.852:169): pid=21358 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir155647254/syzkaller.RBcL2y/178/bus" dev="sda1" ino=16817 res=1 isofs_fill_super: bread failed, dev=nbd3, iso_blknum=16, block=32 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 21358 Comm: syz-executor.2 Not tainted 4.19.82 #0 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+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x2cc/0x760 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] call_usermodehelper_setup+0x7b/0x2e0 kernel/umh.c:381 call_modprobe kernel/kmod.c:94 [inline] __request_module+0x440/0xb84 kernel/kmod.c:171 crypto_larval_lookup crypto/api.c:237 [inline] crypto_alg_mod_lookup+0x42f/0x550 crypto/api.c:280 crypto_find_alg crypto/api.c:504 [inline] crypto_alloc_tfm+0xd9/0x2e0 crypto/api.c:537 crypto_alloc_shash+0x2d/0x40 crypto/shash.c:461 ima_alloc_tfm+0xa9/0xf0 security/integrity/ima/ima_crypto.c:90 ima_calc_file_shash security/integrity/ima/ima_crypto.c:389 [inline] ima_calc_file_hash+0x17f/0x970 security/integrity/ima/ima_crypto.c:458 ima_collect_measurement+0x50f/0x5c0 security/integrity/ima/ima_api.c:231 process_measurement+0xeca/0x1560 security/integrity/ima/ima_main.c:284 ima_file_check+0xc5/0x110 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3422 [inline] path_openat+0x1130/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564