[ 39.120473] ------------[ cut here ]------------ [ 39.120890] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.121827] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.122526] Modules linked in: [ 39.122802] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.123728] Tainted: [W]=WARN [ 39.123993] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.124669] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.125068] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.126530] RSP: 0018:ffff88800dfbfbc0 EFLAGS: 00010286 [ 39.126958] RAX: 0000000000000000 RBX: ffffed1001bf7f78 RCX: ffffffff813a4050 [ 39.127554] RDX: ffff88801a37d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.128125] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001bf7f2f [ 39.128719] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.129283] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800dfbfdf8 [ 39.129876] FS: 00007f0691a20900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.130540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.131002] CR2: 00007fff85ca1ef7 CR3: 0000000009b57000 CR4: 0000000000350ef0 [ 39.131601] Call Trace: [ 39.131813] [ 39.132008] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.132395] ? __create_object+0x59/0x80 [ 39.132759] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.133184] __vmalloc_noprof+0x59/0x60 [ 39.133532] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.133910] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.134312] bpf_prog_alloc+0x39/0x200 [ 39.134666] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.135074] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.135491] do_seccomp+0x349/0x25e0 [ 39.135797] ? find_held_lock+0x2b/0x80 [ 39.136130] ? do_prlimit+0x310/0x610 [ 39.136482] ? __pfx_do_seccomp+0x10/0x10 [ 39.136818] ? do_raw_spin_unlock+0x53/0x220 [ 39.137176] ? _raw_spin_unlock+0x1e/0x40 [ 39.137543] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.137968] ? static_key_count+0x60/0x80 [ 39.138311] prctl_set_seccomp+0x4e/0x70 [ 39.138672] __do_sys_prctl+0xe6c/0x1d70 [ 39.139014] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.139387] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.139840] ? irqentry_exit+0xf3/0x650 [ 39.140171] do_syscall_64+0xbf/0x430 [ 39.140519] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.140934] RIP: 0033:0x7f0691f125cd [ 39.141235] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.142699] RSP: 002b:00007fff85ca08b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.143300] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0691f125cd [ 39.143901] RDX: 0000556a18f45e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.144493] RBP: 00007fff85ca0910 R08: 0000000000000000 R09: 00007fff85c9ffb0 [ 39.145057] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556a30f27ad0 [ 39.145651] R13: 00007fff85ca0d40 R14: 0000556a30f28bc0 R15: 0000556a30f39780 [ 39.146223] [ 39.146414] irq event stamp: 1675 [ 39.146711] hardirqs last enabled at (1685): [] __up_console_sem+0x78/0x80 [ 39.147387] hardirqs last disabled at (1692): [] __up_console_sem+0x5d/0x80 [ 39.148103] softirqs last enabled at (1236): [] handle_softirqs+0x50c/0x770 [ 39.148815] softirqs last disabled at (1227): [] __irq_exit_rcu+0xc4/0x100 [ 39.149515] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.370118] ------------[ cut here ]------------ [ 41.370995] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.372951] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 41.374338] Modules linked in: [ 41.374937] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.376912] Tainted: [W]=WARN [ 41.377499] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.378921] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.379791] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 41.382910] RSP: 0018:ffff88801a8b7bc0 EFLAGS: 00010286 [ 41.383861] RAX: 0000000000000000 RBX: ffffed1003516f78 RCX: ffffffff813a4050 [ 41.385085] RDX: ffff88800f4e9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.386303] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003516f2f [ 41.387520] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.388744] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a8b7df8 [ 41.389951] FS: 00007f4e69343900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.391356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.392368] CR2: 00007f4e69835580 CR3: 000000000e9c8000 CR4: 0000000000350ef0 [ 41.393588] Call Trace: [ 41.394025] [ 41.394410] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.395261] ? __create_object+0x59/0x80 [ 41.395994] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.396910] __vmalloc_noprof+0x59/0x60 [ 41.398202] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.399037] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.399925] bpf_prog_alloc+0x39/0x200 [ 41.400615] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.401490] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.402295] do_seccomp+0x349/0x25e0 [ 41.402968] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.403809] ? __pfx_do_seccomp+0x10/0x10 [ 41.404567] ? find_held_lock+0x2b/0x80 [ 41.405230] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.406141] ? static_key_count+0x60/0x80 [ 41.406888] prctl_set_seccomp+0x4e/0x70 [ 41.407603] __do_sys_prctl+0xe6c/0x1d70 [ 41.408391] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.409195] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.410078] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.411041] ? irqentry_exit+0xf3/0x650 [ 41.411751] do_syscall_64+0xbf/0x430 [ 41.412403] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.413289] RIP: 0033:0x7f4e698355cd [ 41.413949] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 41.416875] RSP: 002b:00007fff32552be0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.418133] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e698355cd [ 41.419327] RDX: 00005591c3975e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.420518] RBP: 00007fff32552c40 R08: 0000000000000000 R09: 00007fff325522e0 [ 41.421705] R10: 0000000000000000 R11: 0000000000000246 R12: 00005591ea4f42b0 [ 41.422900] R13: 00007fff32553070 R14: 00005591ea4f6d20 R15: 00005591ea5088d0 [ 41.424132] [ 41.424565] irq event stamp: 1735 [ 41.425126] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 41.426541] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 41.427946] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 41.429358] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 41.430747] ---[ end trace 0000000000000000 ]--- [ 42.087523] ------------[ cut here ]------------ [ 42.088398] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.090402] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.091899] Modules linked in: [ 42.092539] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.094732] Tainted: [W]=WARN [ 42.095284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.096798] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.097703] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.100858] RSP: 0018:ffff888015f67bc0 EFLAGS: 00010286 [ 42.101835] RAX: 0000000000000000 RBX: ffffed1002becf78 RCX: ffffffff813a4050 [ 42.103136] RDX: ffff88800f34d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.104444] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002becf2f [ 42.105751] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.107041] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f67df8 [ 42.108369] FS: 00007fcb5d882900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.109829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.110893] CR2: 00007fcb5dd74580 CR3: 000000000d8dd000 CR4: 0000000000350ef0 [ 42.112209] Call Trace: [ 42.112730] [ 42.113148] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.114062] ? __create_object+0x59/0x80 [ 42.114857] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.115851] __vmalloc_noprof+0x59/0x60 [ 42.116631] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.117529] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.118427] bpf_prog_alloc+0x39/0x200 [ 42.119174] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.120142] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.121062] do_seccomp+0x349/0x25e0 [ 42.121797] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.122715] ? __pfx_do_seccomp+0x10/0x10 [ 42.123495] ? find_held_lock+0x2b/0x80 [ 42.124221] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.125180] ? static_key_count+0x60/0x80 [ 42.125975] prctl_set_seccomp+0x4e/0x70 [ 42.126740] __do_sys_prctl+0xe6c/0x1d70 [ 42.127526] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.128346] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.129309] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.130263] ? irqentry_exit+0xf3/0x650 [ 42.131016] do_syscall_64+0xbf/0x430 [ 42.131748] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.132704] RIP: 0033:0x7fcb5dd745cd [ 42.133367] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.136536] RSP: 002b:00007ffeef749b70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.137884] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcb5dd745cd [ 42.139170] RDX: 00005647d3146e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.140472] RBP: 00007ffeef749bd0 R08: 0000000000000000 R09: 00007ffeef749270 [ 42.141758] R10: 0000000000000000 R11: 0000000000000246 R12: 00005647df674ad0 [ 42.143035] R13: 00007ffeef74a000 R14: 00005647df675bc0 R15: 00005647df686780 [ 42.144340] [ 42.144805] irq event stamp: 1865 [ 42.145409] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 42.146945] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 42.148476] softirqs last enabled at (1786): [] handle_softirqs+0x50c/0x770 [ 42.150015] softirqs last disabled at (1781): [] __irq_exit_rcu+0xc4/0x100 [ 42.151516] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43552' (ECDSA) to the list of known hosts. 2025/11/17 18:41:08 fuzzer started 2025/11/17 18:41:08 dialing manager at localhost:37895 2025/11/17 18:41:08 checking machine... 2025/11/17 18:41:08 checking revisions... [ 43.092877] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:41:08 testing simple program... [ 43.201785] cgroup: Unknown subsys name 'net' [ 43.260265] cgroup: Unknown subsys name 'cpuset' [ 43.277004] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:41:07 Registers: info registers vcpu 0 RAX=0100000000000000 RBX=0000000000000246 RCX=ffffffff81b6204b RDX=00000000ffffffff RSI=0000000000000800 RDI=ffffffff81aad7ed RBP=ffff888016647c20 RSP=ffff888016647b80 R8 =ffff88806ce3c2d0 R9 =00000000000000e8 R10=ffff888016647c38 R11=0000000000000000 R12=ffff88806ce3c2d0 R13=0000000000000200 R14=ffff888008c4b780 R15=ffffea00003a2580 RIP=ffffffff84c71d50 RFL=00000006 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f4e69343900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff3254c000 CR3=000000000e9cb000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001d837 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc56f4e3000 CR3=0000000016907000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=d75d6afca58cd389a346f994780b36fc XMM02=ec2efd57dc4c00df0000000000303238 XMM03=898064fdd55cc35e0000000000303308 XMM04=ccb4106b9bc8746400000000000ae988 XMM05=0b39c798a71319b6000000000031f6a0 XMM06=bba0d08303009f83000000000031ecb0 XMM07=e042d86d42eb936e0000000000310880 XMM08=898064fdd55cc35e0000000000303308 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000