kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 16237 Comm: kworker/0:4 Not tainted 4.19.103-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: pencrypt padata_parallel_worker RIP: 0010:padata_reorder+0x303/0x740 kernel/padata.c:263 Code: 00 0f 85 7f 03 00 00 4c 89 21 e8 88 21 e7 ff 4c 89 f7 e8 30 23 d1 05 48 8b 45 c0 48 8d 53 48 48 8d 78 10 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 cd 02 00 00 48 8b 45 c0 8b 7d d0 48 8b 70 10 RSP: 0018:ffff88804ebffb58 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffffe8ffffc26150 RCX: 0000000000000000 RDX: ffffe8ffffc26198 RSI: 0000000000000004 RDI: 0000000000000010 RBP: ffff88804ebffbe0 R08: 1ffffd1ffff84c2c R09: fffff91ffff84c2d R10: fffff91ffff84c2c R11: ffffe8ffffc26163 R12: ffff888045edef90 R13: dffffc0000000000 R14: ffffe8ffffc26160 R15: ffff8880a597ad00 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f50867d8db8 CR3: 000000007edb7000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: padata_do_serial+0x298/0x370 kernel/padata.c:418 pcrypt_aead_enc+0x10a/0x190 crypto/pcrypt.c:147 padata_parallel_worker+0x292/0x470 kernel/padata.c:88 process_one_work+0x989/0x1750 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: ---[ end trace e78b0432254e3e37 ]--- RIP: 0010:padata_reorder+0x303/0x740 kernel/padata.c:263 Code: 00 0f 85 7f 03 00 00 4c 89 21 e8 88 21 e7 ff 4c 89 f7 e8 30 23 d1 05 48 8b 45 c0 48 8d 53 48 48 8d 78 10 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 cd 02 00 00 48 8b 45 c0 8b 7d d0 48 8b 70 10 RSP: 0018:ffff88804ebffb58 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffffe8ffffc26150 RCX: 0000000000000000 audit: type=1400 audit(1581554214.823:208): avc: denied { block_suspend } for pid=17431 comm="syz-executor.2" capability=36 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=capability2 permissive=1 RDX: ffffe8ffffc26198 RSI: 0000000000000004 RDI: 0000000000000010 RBP: ffff88804ebffbe0 R08: 1ffffd1ffff84c2c R09: fffff91ffff84c2d R10: fffff91ffff84c2c R11: ffffe8ffffc26163 R12: ffff888045edef90 R13: dffffc0000000000 R14: ffffe8ffffc26160 R15: ffff8880a597ad00 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f50867d8db8 CR3: 000000007edb7000 CR4: 00000000001406f0 IPv6: ADDRCONF(NETDEV_UP): bridge979: link is not ready DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400