Hello, syzbot found the following crash on: HEAD commit: 19409891 Merge tag 'pnp-5.8-rc1' of git://git.kernel.org/p.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13165aa6100000 kernel config: https://syzkaller.appspot.com/x/.config?x=6d41e63a2c7e0715 dashboard link: https://syzkaller.appspot.com/bug?extid=2e635807decef724a1fa compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17f00ef2100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170f2ef2100000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+2e635807decef724a1fa@xxxxxxxxxxxxxxxxxxxxxxxxx executing program executing program BUG: memory leak unreferenced object 0xffff8881175bc480 (size 64): comm "syz-executor064", pid 6388, jiffies 4294941622 (age 13.280s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0 7e 56 84 ff ff ff ff 00 00 00 00 00 00 00 00 .~V............. backtrace: [<0000000029c7602f>] kmalloc include/linux/slab.h:560 [inline] [<0000000029c7602f>] kzalloc include/linux/slab.h:669 [inline] [<0000000029c7602f>] crypto_create_tfm+0x31/0x100 crypto/api.c:448 [<00000000bec8cbdb>] crypto_alloc_tfm+0x79/0x1a0 crypto/api.c:527 [<000000002f9791ba>] drbg_prepare_hrng crypto/drbg.c:1509 [inline] [<000000002f9791ba>] drbg_instantiate crypto/drbg.c:1587 [inline] [<000000002f9791ba>] drbg_kcapi_seed+0x432/0x6a9 crypto/drbg.c:1980 [<0000000041302bb8>] crypto_rng_reset+0x35/0x1a0 crypto/rng.c:53 [<000000004758c3c4>] alg_setkey crypto/af_alg.c:222 [inline] [<000000004758c3c4>] alg_setsockopt+0x149/0x190 crypto/af_alg.c:255 [<000000008bc4b5cb>] __sys_setsockopt+0x112/0x230 net/socket.c:2132 [<00000000cfbf30da>] __do_sys_setsockopt net/socket.c:2148 [inline] [<00000000cfbf30da>] __se_sys_setsockopt net/socket.c:2145 [inline] [<00000000cfbf30da>] __x64_sys_setsockopt+0x22/0x30 net/socket.c:2145 [<00000000fc9c2183>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<0000000040e080a1>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881175bc040 (size 64): comm "syz-executor064", pid 6389, jiffies 4294942172 (age 7.780s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0 7e 56 84 ff ff ff ff 00 00 00 00 00 00 00 00 .~V............. backtrace: [<0000000029c7602f>] kmalloc include/linux/slab.h:560 [inline] [<0000000029c7602f>] kzalloc include/linux/slab.h:669 [inline] [<0000000029c7602f>] crypto_create_tfm+0x31/0x100 crypto/api.c:448 [<00000000bec8cbdb>] crypto_alloc_tfm+0x79/0x1a0 crypto/api.c:527 [<000000002f9791ba>] drbg_prepare_hrng crypto/drbg.c:1509 [inline] [<000000002f9791ba>] drbg_instantiate crypto/drbg.c:1587 [inline] [<000000002f9791ba>] drbg_kcapi_seed+0x432/0x6a9 crypto/drbg.c:1980 [<0000000041302bb8>] crypto_rng_reset+0x35/0x1a0 crypto/rng.c:53 [<000000004758c3c4>] alg_setkey crypto/af_alg.c:222 [inline] [<000000004758c3c4>] alg_setsockopt+0x149/0x190 crypto/af_alg.c:255 [<000000008bc4b5cb>] __sys_setsockopt+0x112/0x230 net/socket.c:2132 [<00000000cfbf30da>] __do_sys_setsockopt net/socket.c:2148 [inline] [<00000000cfbf30da>] __se_sys_setsockopt net/socket.c:2145 [inline] [<00000000cfbf30da>] __x64_sys_setsockopt+0x22/0x30 net/socket.c:2145 [<00000000fc9c2183>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<0000000040e080a1>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811b3ca080 (size 96): comm "syz-executor064", pid 6389, jiffies 4294942172 (age 7.780s) hex dump (first 32 bytes): 89 c7 08 cb 8a 12 10 6e 00 00 00 00 00 00 00 00 .......n........ 71 51 5a c2 1b 00 00 00 35 7d 00 00 00 00 00 00 qQZ.....5}...... backtrace: [<000000008ec3eca0>] jent_entropy_collector_alloc+0x1b/0xf8 crypto/jitterentropy.c:662 [<0000000026ed401a>] jent_kcapi_init+0x17/0x40 crypto/jitterentropy-kcapi.c:119 [<00000000be7d6b06>] crypto_create_tfm+0x89/0x100 crypto/api.c:459 [<00000000bec8cbdb>] crypto_alloc_tfm+0x79/0x1a0 crypto/api.c:527 [<000000002f9791ba>] drbg_prepare_hrng crypto/drbg.c:1509 [inline] [<000000002f9791ba>] drbg_instantiate crypto/drbg.c:1587 [inline] [<000000002f9791ba>] drbg_kcapi_seed+0x432/0x6a9 crypto/drbg.c:1980 [<0000000041302bb8>] crypto_rng_reset+0x35/0x1a0 crypto/rng.c:53 [<000000004758c3c4>] alg_setkey crypto/af_alg.c:222 [inline] [<000000004758c3c4>] alg_setsockopt+0x149/0x190 crypto/af_alg.c:255 [<000000008bc4b5cb>] __sys_setsockopt+0x112/0x230 net/socket.c:2132 [<00000000cfbf30da>] __do_sys_setsockopt net/socket.c:2148 [inline] [<00000000cfbf30da>] __se_sys_setsockopt net/socket.c:2145 [inline] [<00000000cfbf30da>] __x64_sys_setsockopt+0x22/0x30 net/socket.c:2145 [<00000000fc9c2183>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<0000000040e080a1>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 --- This bug is generated by a bot. 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