Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.607842] ------------[ cut here ]------------ [ 45.608690] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.610652] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/230 [ 45.612084] Modules linked in: [ 45.612656] CPU: 1 UID: 104 PID: 230 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.614912] Tainted: [W]=WARN [ 45.615461] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.616993] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.617912] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 45.621040] RSP: 0018:ffff88801a6b7bc0 EFLAGS: 00010286 [ 45.622009] RAX: 0000000000000000 RBX: ffffed10034d6f78 RCX: ffffffff813a4050 [ 45.623318] RDX: ffff888015f30000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.624613] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034d6f2f [ 45.625891] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.627172] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a6b7df8 [ 45.628464] FS: 00007fe65ad41900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.629895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.630976] CR2: 00007fe65b233580 CR3: 0000000009cca000 CR4: 0000000000350ef0 [ 45.632268] Call Trace: [ 45.632722] [ 45.633162] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.634059] ? __create_object+0x59/0x80 [ 45.634849] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.635818] __vmalloc_noprof+0x59/0x60 [ 45.636515] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.637394] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.638315] bpf_prog_alloc+0x39/0x200 [ 45.639071] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.639994] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.640903] do_seccomp+0x349/0x25e0 [ 45.641561] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.642539] ? irqentry_exit+0x17b/0x650 [ 45.643317] ? trace_irq_disable.constprop.0+0xc2/0x100 [ 45.644294] ? __pfx_do_seccomp+0x10/0x10 [ 45.645085] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.646035] ? static_key_count+0x60/0x80 [ 45.646851] prctl_set_seccomp+0x4e/0x70 [ 45.647570] __do_sys_prctl+0xe6c/0x1d70 [ 45.648361] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.649215] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.650176] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.651159] ? irqentry_exit+0xf3/0x650 [ 45.651918] do_syscall_64+0xbf/0x430 [ 45.652611] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.653612] RIP: 0033:0x7fe65b2335cd [ 45.654335] 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 [ 45.657498] RSP: 002b:00007ffdf7bedc70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.658874] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe65b2335cd [ 45.660134] RDX: 0000558e6a1c1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.661409] RBP: 00007ffdf7bedcd0 R08: 0000000000000000 R09: 00007ffdf7bed370 [ 45.662703] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558e91ea5ad0 [ 45.663967] R13: 00007ffdf7bee100 R14: 0000558e91ea6bc0 R15: 0000558e91eb7780 [ 45.665270] [ 45.665688] irq event stamp: 1869 [ 45.666346] hardirqs last enabled at (1879): [] __up_console_sem+0x78/0x80 [ 45.667871] hardirqs last disabled at (1888): [] __up_console_sem+0x5d/0x80 [ 45.669402] softirqs last enabled at (1696): [] handle_softirqs+0x50c/0x770 [ 45.670961] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 45.672482] ---[ end trace 0000000000000000 ]--- [ 48.990540] ------------[ cut here ]------------ [ 48.991389] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.993710] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/238 [ 48.995286] Modules linked in: [ 48.995961] CPU: 0 UID: 104 PID: 238 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.997774] Tainted: [W]=WARN [ 48.998281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.999618] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.000445] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 49.003309] RSP: 0018:ffff88801722fbc0 EFLAGS: 00010286 [ 49.004194] RAX: 0000000000000000 RBX: ffffed1002e45f78 RCX: ffffffff813a4050 [ 49.005372] RDX: ffff88800e9f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.006540] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e45f2f [ 49.007723] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.008878] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801722fdf8 [ 49.010045] FS: 00007f2ad7be7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.011349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.012306] CR2: 00007fff502a5ef7 CR3: 000000001bea8000 CR4: 0000000000350ef0 [ 49.013476] Call Trace: [ 49.013925] [ 49.014297] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.015114] ? __create_object+0x59/0x80 [ 49.015819] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.016654] __vmalloc_noprof+0x59/0x60 [ 49.017339] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.018132] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.018982] bpf_prog_alloc+0x39/0x200 [ 49.019613] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.020452] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.021276] do_seccomp+0x349/0x25e0 [ 49.021921] ? find_held_lock+0x2b/0x80 [ 49.022572] ? do_prlimit+0x310/0x610 [ 49.023259] ? __pfx_do_seccomp+0x10/0x10 [ 49.023970] ? do_raw_spin_unlock+0x53/0x220 [ 49.024691] ? _raw_spin_unlock+0x1e/0x40 [ 49.025408] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.026291] ? static_key_count+0x60/0x80 [ 49.027024] prctl_set_seccomp+0x4e/0x70 [ 49.027699] __do_sys_prctl+0xe6c/0x1d70 [ 49.028409] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.029191] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.030076] ? irqentry_exit+0xf3/0x650 [ 49.030741] do_syscall_64+0xbf/0x430 [ 49.031424] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.032304] RIP: 0033:0x7f2ad80d95cd [ 49.032939] 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 [ 49.035888] RSP: 002b:00007fff502a45b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.037142] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ad80d95cd [ 49.038336] RDX: 0000558322654e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.039528] RBP: 00007fff502a4610 R08: 0000000000000000 R09: 00007fff502a3cb0 [ 49.040727] R10: 0000000000000000 R11: 0000000000000246 R12: 000055832529dad0 [ 49.041942] R13: 00007fff502a4a40 R14: 000055832529ebc0 R15: 00005583252af780 [ 49.043162] [ 49.043553] irq event stamp: 1799 [ 49.044149] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 49.045557] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 49.046991] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 49.048441] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 49.049843] ---[ end trace 0000000000000000 ]--- [ 49.828157] ------------[ cut here ]------------ [ 49.828949] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.830714] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/245 [ 49.831959] Modules linked in: [ 49.832455] CPU: 0 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.834129] Tainted: [W]=WARN [ 49.834595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.835834] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.836559] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 49.839242] RSP: 0018:ffff88801779fbc0 EFLAGS: 00010286 [ 49.840058] RAX: 0000000000000000 RBX: ffffed1002ef3f78 RCX: ffffffff813a4050 [ 49.841122] RDX: ffff88801a515340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.842203] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ef3f2f [ 49.843290] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.844366] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801779fdf8 [ 49.845439] FS: 00007fc06a19a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.846659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.847541] CR2: 00007ffc0ad7eef7 CR3: 000000001be91000 CR4: 0000000000350ef0 [ 49.848621] Call Trace: [ 49.849038] [ 49.849383] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.850132] ? __create_object+0x59/0x80 [ 49.850804] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.851572] __vmalloc_noprof+0x59/0x60 [ 49.852203] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.852939] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.853697] bpf_prog_alloc+0x39/0x200 [ 49.854303] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.855079] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.855825] do_seccomp+0x349/0x25e0 [ 49.856378] ? find_held_lock+0x2b/0x80 [ 49.857006] ? do_prlimit+0x310/0x610 [ 49.857587] ? __pfx_do_seccomp+0x10/0x10 [ 49.858242] ? do_raw_spin_unlock+0x53/0x220 [ 49.858936] ? _raw_spin_unlock+0x1e/0x40 [ 49.859547] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.860337] ? static_key_count+0x60/0x80 [ 49.861000] prctl_set_seccomp+0x4e/0x70 [ 49.861602] __do_sys_prctl+0xe6c/0x1d70 [ 49.862251] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.862965] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.863737] ? irqentry_exit+0xf3/0x650 [ 49.864419] do_syscall_64+0xbf/0x430 [ 49.865202] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.866219] RIP: 0033:0x7fc06a68c5cd [ 49.867001] 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 [ 49.870385] RSP: 002b:00007ffc0ad7c930 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.871850] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc06a68c5cd [ 49.873211] RDX: 00005643630ede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.874566] RBP: 00007ffc0ad7c990 R08: 0000000000000000 R09: 00007ffc0ad7c030 [ 49.875952] R10: 0000000000000000 R11: 0000000000000246 R12: 000056437f9ccb10 [ 49.877321] R13: 00007ffc0ad7cdc0 R14: 000056437f9cd2b0 R15: 000056437f9e16f0 [ 49.878723] [ 49.879225] irq event stamp: 1733 [ 49.879913] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 49.881514] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 49.883144] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 49.884848] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 49.886466] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55119' (ECDSA) to the list of known hosts. 2025/11/19 06:34:18 fuzzer started 2025/11/19 06:34:18 dialing manager at localhost:34383 2025/11/19 06:34:18 checking machine... 2025/11/19 06:34:18 checking revisions... [ 50.772130] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:34:19 testing simple program... [ 50.861626] cgroup: Unknown subsys name 'net' [ 50.916629] cgroup: Unknown subsys name 'cpuset' [ 50.931148] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:34:18 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce08b38 RCX=ffff88806ce089c4 RDX=1ffff1100d9c1169 RSI=ffffffff815fb7ad RDI=ffff88806ce08b48 RBP=ffff88806ce08b08 RSP=ffff88806ce08a50 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000186c2 R12=ffff88806ce08b38 R13=0000000000000000 R14=ffff888015c88000 R15=ffff888009462280 RIP=ffffffff81619156 RFL=00000286 [--S--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 00007f8205e58900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2ad819f0b0 CR3=00000000138f8000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=6e62aa89fac6614b00000000000ae988 XMM05=db2e1fbd491e6a2f0000000000320b50 XMM06=94aac670ef06ff65000000000031ee68 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff8880e548f000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806cf31cd0 RBP=ffffffff85e1ffe0 RSP=ffff888015c876c8 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000002934a R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff888015c877c0 RIP=ffffffff815bd130 RFL=00000216 [----AP-] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f8205e58900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f820556f000 CR3=00000000138f8000 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=0000000000302198b3285ca56c489dff XMM01=0000000000302348d59e07bde36eea69 XMM02=0000000000302470ec2efd57dc4c00df XMM03=000000000030f9f8434f0a4ffabad5cb XMM04=6e62aa89fac6614b00000000000ae988 XMM05=1a58cb52dc18f6d7000000000031ef78 XMM06=b202b33f9a207acb0000000000318c60 XMM07=e042d86d42eb936e0000000000310438 XMM08=434f0a4ffabad5cb00000000003024d0 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000