syzkaller login: [ 250.569404][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 258.236942][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 258.293086][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 283.609103][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:42488' (ECDSA) to the list of known hosts. 1970/01/01 00:05:30 fuzzer started 1970/01/01 00:05:44 dialing manager at localhost:45661 [ 349.774240][ T2037] cgroup: Unknown subsys name 'net' [ 350.795913][ T2037] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:05:50 syscalls: 2918 1970/01/01 00:05:50 code coverage: enabled 1970/01/01 00:05:50 comparison tracing: ioctl(KCOV_DISABLE) failed: invalid argument 1970/01/01 00:05:50 extra coverage: enabled 1970/01/01 00:05:50 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:05:50 setuid sandbox: enabled 1970/01/01 00:05:50 namespace sandbox: enabled 1970/01/01 00:05:50 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:05:50 fault injection: enabled 1970/01/01 00:05:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:05:50 net packet injection: enabled 1970/01/01 00:05:50 net device setup: enabled 1970/01/01 00:05:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:05:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:05:50 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:05:50 USB emulation: enabled 1970/01/01 00:05:50 hci packet injection: /dev/vhci does not exist 1970/01/01 00:05:50 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:05:50 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:05:50 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:05:53 fetching corpus: 50, signal 26134/29770 (executing program) 1970/01/01 00:05:56 fetching corpus: 100, signal 41415/46542 (executing program) 1970/01/01 00:06:01 fetching corpus: 150, signal 54016/60499 (executing program) 1970/01/01 00:06:04 fetching corpus: 200, signal 61635/69425 (executing program) 1970/01/01 00:06:05 fetching corpus: 250, signal 66206/75356 (executing program) 1970/01/01 00:06:08 fetching corpus: 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fetching corpus: 2700, signal 165879/209831 (executing program) 1970/01/01 00:08:08 fetching corpus: 2750, signal 166888/211184 (executing program) 1970/01/01 00:08:10 fetching corpus: 2800, signal 167663/212406 (executing program) 1970/01/01 00:08:15 fetching corpus: 2850, signal 169152/214061 (executing program) 1970/01/01 00:08:17 fetching corpus: 2900, signal 170026/215346 (executing program) 1970/01/01 00:08:19 fetching corpus: 2950, signal 171077/216717 (executing program) 1970/01/01 00:09:00 fetching corpus: 3000, signal 172098/218068 (executing program) 1970/01/01 00:09:03 fetching corpus: 3050, signal 173020/219334 (executing program) 1970/01/01 00:09:05 fetching corpus: 3100, signal 174178/220736 (executing program) 1970/01/01 00:09:08 fetching corpus: 3150, signal 175283/222030 (executing program) 1970/01/01 00:09:10 fetching corpus: 3200, signal 175948/223105 (executing program) 1970/01/01 00:09:13 fetching corpus: 3250, signal 176557/224132 (executing program) 1970/01/01 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(executing program) 1970/01/01 00:10:42 fetching corpus: 5100, signal 203461/258088 (executing program) 1970/01/01 00:10:44 fetching corpus: 5150, signal 204196/258832 (executing program) 1970/01/01 00:10:47 fetching corpus: 5200, signal 204806/259485 (executing program) 1970/01/01 00:10:49 fetching corpus: 5250, signal 205381/260146 (executing program) 1970/01/01 00:10:52 fetching corpus: 5300, signal 206016/260833 (executing program) 1970/01/01 00:10:53 fetching corpus: 5350, signal 206531/261461 (executing program) 1970/01/01 00:10:55 fetching corpus: 5400, signal 207076/262086 (executing program) 1970/01/01 00:10:57 fetching corpus: 5450, signal 207574/262684 (executing program) 1970/01/01 00:10:59 fetching corpus: 5500, signal 208085/263331 (executing program) 1970/01/01 00:11:03 fetching corpus: 5550, signal 208586/263933 (executing program) 1970/01/01 00:11:06 fetching corpus: 5600, signal 209178/264541 (executing program) 1970/01/01 00:11:09 fetching corpus: 5650, signal 209841/265152 (executing program) 1970/01/01 00:11:10 fetching corpus: 5700, signal 210533/265762 (executing program) 1970/01/01 00:11:12 fetching corpus: 5750, signal 210926/266311 (executing program) 1970/01/01 00:11:16 fetching corpus: 5800, signal 211411/266857 (executing program) 1970/01/01 00:11:18 fetching corpus: 5850, signal 212018/267438 (executing program) 1970/01/01 00:11:20 fetching corpus: 5900, signal 212513/267983 (executing program) 1970/01/01 00:11:22 fetching corpus: 5950, signal 212970/268536 (executing program) 1970/01/01 00:11:28 fetching corpus: 6000, signal 213705/269118 (executing program) 1970/01/01 00:11:31 fetching corpus: 6050, signal 214512/269680 (executing program) 1970/01/01 00:11:34 fetching corpus: 6100, signal 214912/270218 (executing program) 1970/01/01 00:11:36 fetching corpus: 6150, signal 215318/270720 (executing program) [ 697.625667][ T2045] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 697.629475][ T2045] CPU: 0 PID: 2045 Comm: rm Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 697.632130][ T2045] Hardware name: riscv-virtio,qemu (DT) [ 697.634166][ T2045] Call Trace: [ 697.635062][ T2045] [] dump_backtrace+0x2e/0x3c [ 697.636483][ T2045] [] show_stack+0x34/0x40 [ 697.637659][ T2045] [] dump_stack_lvl+0xe4/0x150 [ 697.638906][ T2045] [] dump_stack+0x1c/0x24 [ 697.640134][ T2045] [] panic+0x24a/0x634 [ 697.641867][ T2045] [] schedule+0x0/0x14c [ 697.643173][ T2045] [] preempt_schedule_common+0x4e/0xde [ 697.644543][ T2045] [] preempt_schedule+0x34/0x36 [ 697.645808][ T2045] [] _raw_spin_unlock_irqrestore+0x8c/0x98 [ 697.647087][ T2045] [] __wake_up_common_lock+0xe4/0x136 [ 697.648352][ T2045] [] __wake_up+0x10/0x18 [ 697.649544][ T2045] [] stop_this_handle+0x2ae/0x2d0 [ 697.650722][ T2045] [] jbd2_journal_stop+0x790/0x99c [ 697.652806][ T2045] [] __ext4_journal_stop+0x90/0x154 [ 697.654067][ T2045] [] ext4_dirty_inode+0xa2/0xba [ 697.655243][ T2045] [] __mark_inode_dirty+0x40a/0xf04 [ 697.656448][ T2045] [] touch_atime+0x656/0x67a [ 697.657583][ T2045] [] ext4_file_mmap+0x236/0x23c [ 697.658771][ T2045] [] mmap_region+0x7a0/0xa88 [ 697.660001][ T2045] [] do_mmap+0x784/0x8d2 [ 697.662118][ T2045] [] vm_mmap_pgoff+0x1a2/0x24e [ 697.664270][ T2045] [] vm_mmap+0x82/0xaa [ 697.665466][ T2045] [] elf_map+0x140/0x1da [ 697.666623][ T2045] [] load_elf_binary+0x86c/0x2716 [ 697.667928][ T2045] [] bprm_execve+0x5bc/0x1140 [ 697.669189][ T2045] [] do_execveat_common+0x298/0x312 [ 697.670455][ T2045] [] sys_execve+0x32/0x40 [ 697.671758][ T2045] [] ret_from_syscall+0x0/0x2 [ 697.673861][ T2045] SMP: stopping secondary CPUs [ 697.676362][ T2045] Rebooting in 86400 seconds.. VM DIAGNOSIS: 15:35:03 Registers: info registers vcpu 0 pc ffffffff831a18e6 mhartid 0000000000000000 mstatus 00000000000000a0 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8014481e sepc 00007fff8a0c9a20 mcause 8000000000000007 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff831a18e6 x2/sp ffffaf800cb3b380 x3/gp ffffffff85863ac0 x4/tp ffffaf800ce46100 x5/t0 ffffaf800cb3bc10 x6/t1 b0c608960593e300 x7/t2 ffffffffefb27f70 x8/s0 ffffaf800cb3b3e0 x9/s1 0000000000001000 x10/a0 0000000000000001 x11/a1 00000000000f0000 x12/a2 0000000000000002 x13/a3 ffffffff831a24bc x14/a4 ffffaf800ce47100 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffff800f73be x18/s2 ffffaf800cb3b4a0 x19/s3 ffffffff84b73ec0 x20/s4 0000000000000001 x21/s5 ffffffff8343c840 x22/s6 ffffffffffffffff x23/s7 0000000000000020 x24/s8 ffffffff86c1a620 x25/s9 1ffff5f001967684 x26/s10 ffffaf800f1abca8 x27/s11 ffffffff800f7470 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001967650 x31/t6 0000000000040000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 pc ffffffff801229fc mhartid 0000000000000001 mstatus 00000000000000a0 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80475986 sepc ffffffff800bdb3e mcause 8000000000000007 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff801229f8 x2/sp ffffaf800e66eb50 x3/gp ffffffff85863ac0 x4/tp ffffaf800a0bc8c0 x5/t0 ffffffff84a97e38 x6/t1 fffff5ef01ccdd70 x7/t2 0000000000000000 x8/s0 ffffaf800e66ec20 x9/s1 ffffaf800e66ed00 x10/a0 0000000000000000 x11/a1 00000000000f0000 x12/a2 0000000000000002 x13/a3 ffffffff801229f8 x14/a4 ffffaf800a0bd8c0 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffaf800e66eb87 x18/s2 0000000000000020 x19/s3 ffffaf800e66ed08 x20/s4 ffffffff85889780 x21/s5 1ffff5f001ccdd6c x22/s6 ffffffff84b3cd00 x23/s7 00000000ffffe2c4 x24/s8 00000000ffffe2c4 x25/s9 1ffff5f001ccdd90 x26/s10 ffffffff85889780 x27/s11 ffffaf800e66ed00 x28/t3 1ffff5f001ccddd8 x29/t4 fffff5ef01ccdd70 x30/t5 fffff5ef01ccdd71 x31/t6 ffffffff86bd8e66 f0/ft0 0000000000000000 f1/ft1 4066125c00640337 f2/ft2 4116fb4000000000 f3/ft3 43e0000000000000 f4/ft4 3ffe000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000