syzkaller login: [ 38.888042] ------------[ cut here ]------------ [ 38.888931] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.890832] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.892225] Modules linked in: [ 38.892812] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.894734] Tainted: [W]=WARN [ 38.895316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.896732] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.897615] 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 [ 38.900689] RSP: 0018:ffff88801866fbc0 EFLAGS: 00010286 [ 38.901635] RAX: 0000000000000000 RBX: ffffed10030cdf78 RCX: ffffffff813a4050 [ 38.902874] RDX: ffff888015563780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.904129] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030cdf2f [ 38.905370] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.906610] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801866fdf8 [ 38.907853] FS: 00007fc3b05b3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.909266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.910289] CR2: 00007fc3b0aa5580 CR3: 000000000b83e000 CR4: 0000000000350ef0 [ 38.911533] Call Trace: [ 38.911986] [ 38.912455] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.913313] ? __create_object+0x59/0x80 [ 38.914009] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.914929] __vmalloc_noprof+0x59/0x60 [ 38.915654] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.916517] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.917405] bpf_prog_alloc+0x39/0x200 [ 38.918061] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.918942] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.919803] do_seccomp+0x349/0x25e0 [ 38.920506] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.921364] ? __pfx_do_seccomp+0x10/0x10 [ 38.922074] ? find_held_lock+0x2b/0x80 [ 38.922806] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.923719] ? static_key_count+0x60/0x80 [ 38.924505] prctl_set_seccomp+0x4e/0x70 [ 38.925199] __do_sys_prctl+0xe6c/0x1d70 [ 38.925944] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.926757] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.927674] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.928608] ? irqentry_exit+0xf3/0x650 [ 38.929337] do_syscall_64+0xbf/0x430 [ 38.929997] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.930899] RIP: 0033:0x7fc3b0aa55cd [ 38.931575] 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 [ 38.934622] RSP: 002b:00007ffccc02db10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.935922] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc3b0aa55cd [ 38.937306] RDX: 000056389a3bee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.938584] RBP: 00007ffccc02db70 R08: 0000000000000000 R09: 00007ffccc02d210 [ 38.939872] R10: 0000000000000000 R11: 0000000000000246 R12: 00005638ce3ba2b0 [ 38.941011] R13: 00007ffccc02dfa0 R14: 00005638ce3bcd20 R15: 00005638ce3ce8d0 [ 38.942072] [ 38.942458] irq event stamp: 1769 [ 38.942955] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 38.944200] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 38.945451] softirqs last enabled at (1802): [] handle_softirqs+0x50c/0x770 [ 38.946715] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 38.947949] ---[ end trace 0000000000000000 ]--- [ 42.429462] ------------[ cut here ]------------ [ 42.430338] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.432359] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.433771] Modules linked in: [ 42.434614] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.437039] Tainted: [W]=WARN [ 42.437649] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.439083] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.439980] 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 [ 42.443082] RSP: 0018:ffff88801a537bc0 EFLAGS: 00010286 [ 42.444028] RAX: 0000000000000000 RBX: ffffed10034a6f78 RCX: ffffffff813a4050 [ 42.445294] RDX: ffff888015e83780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.446533] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034a6f2f [ 42.447781] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.449058] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a537df8 [ 42.450286] FS: 00007f9e89b94900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.451684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.452741] CR2: 00007f9e8a086580 CR3: 000000000cd95000 CR4: 0000000000350ef0 [ 42.453983] Call Trace: [ 42.454617] [ 42.455026] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.455911] ? __create_object+0x59/0x80 [ 42.456708] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.457665] __vmalloc_noprof+0x59/0x60 [ 42.458411] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.459219] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.460144] bpf_prog_alloc+0x39/0x200 [ 42.460916] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.461829] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.462713] do_seccomp+0x349/0x25e0 [ 42.463413] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.464322] ? __pfx_do_seccomp+0x10/0x10 [ 42.465062] ? find_held_lock+0x2b/0x80 [ 42.465797] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.466752] ? static_key_count+0x60/0x80 [ 42.467534] prctl_set_seccomp+0x4e/0x70 [ 42.468334] __do_sys_prctl+0xe6c/0x1d70 [ 42.469055] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.469909] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.470853] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.471813] ? irqentry_exit+0xf3/0x650 [ 42.472600] do_syscall_64+0xbf/0x430 [ 42.473330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.474225] RIP: 0033:0x7f9e8a0865cd [ 42.474927] 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 [ 42.478095] RSP: 002b:00007fff348d18e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.479445] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e8a0865cd [ 42.480739] RDX: 0000555fe1142e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.482016] RBP: 00007fff348d1940 R08: 0000000000000000 R09: 00007fff348d0fe0 [ 42.483274] R10: 0000000000000000 R11: 0000000000000246 R12: 000055600231dbf0 [ 42.484566] R13: 00007fff348d1d70 R14: 0000556002327380 R15: 0000556002332460 [ 42.485860] [ 42.486313] irq event stamp: 1931 [ 42.486921] hardirqs last enabled at (1939): [] __up_console_sem+0x78/0x80 [ 42.488470] hardirqs last disabled at (1954): [] __up_console_sem+0x5d/0x80 [ 42.489991] softirqs last enabled at (1952): [] handle_softirqs+0x50c/0x770 [ 42.491501] softirqs last disabled at (1947): [] __irq_exit_rcu+0xc4/0x100 [ 42.493040] ---[ end trace 0000000000000000 ]--- [ 43.291517] ------------[ cut here ]------------ [ 43.292470] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.294491] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 43.295916] Modules linked in: [ 43.296805] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.298839] Tainted: [W]=WARN [ 43.299430] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.300911] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.301823] 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 [ 43.304958] RSP: 0018:ffff888016bffbc0 EFLAGS: 00010286 [ 43.305919] RAX: 0000000000000000 RBX: ffffed1002d7ff78 RCX: ffffffff813a4050 [ 43.307166] RDX: ffff888017218000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.308479] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7ff2f [ 43.309736] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.310983] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bffdf8 [ 43.312283] FS: 00007f3513c42900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.313706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.314744] CR2: 00007f3514134580 CR3: 000000000b947000 CR4: 0000000000350ef0 [ 43.315991] Call Trace: [ 43.316532] [ 43.316941] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.317820] ? __create_object+0x59/0x80 [ 43.318590] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.319542] __vmalloc_noprof+0x59/0x60 [ 43.320327] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.321130] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.322050] bpf_prog_alloc+0x39/0x200 [ 43.322765] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.323675] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.324593] do_seccomp+0x349/0x25e0 [ 43.325299] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.326127] ? __pfx_do_seccomp+0x10/0x10 [ 43.326898] ? find_held_lock+0x2b/0x80 [ 43.327646] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.328625] ? static_key_count+0x60/0x80 [ 43.329425] prctl_set_seccomp+0x4e/0x70 [ 43.330145] __do_sys_prctl+0xe6c/0x1d70 [ 43.330915] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.331754] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.332738] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.333690] ? irqentry_exit+0xf3/0x650 [ 43.334427] do_syscall_64+0xbf/0x430 [ 43.335106] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.336047] RIP: 0033:0x7f35141345cd [ 43.336777] 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 [ 43.339887] RSP: 002b:00007ffc3dbf4f80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.341287] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f35141345cd [ 43.342555] RDX: 00005597481a0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.343827] RBP: 00007ffc3dbf4fe0 R08: 0000000000000000 R09: 00007ffc3dbf4680 [ 43.345138] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559785eb4ad0 [ 43.346414] R13: 00007ffc3dbf5410 R14: 0000559785eb5bc0 R15: 0000559785ec6780 [ 43.347708] [ 43.348142] irq event stamp: 1781 [ 43.348803] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 43.350302] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 43.351804] softirqs last enabled at (1338): [] handle_softirqs+0x50c/0x770 [ 43.353361] softirqs last disabled at (1333): [] __irq_exit_rcu+0xc4/0x100 [ 43.354851] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14123' (ECDSA) to the list of known hosts. 2025/11/19 01:43:06 fuzzer started 2025/11/19 01:43:07 dialing manager at localhost:34383 2025/11/19 01:43:07 checking machine... 2025/11/19 01:43:07 checking revisions... [ 44.350654] kmemleak: Automatic memory scanning thread ended 2025/11/19 01:43:07 testing simple program... [ 44.443848] cgroup: Unknown subsys name 'net' [ 44.493081] cgroup: Unknown subsys name 'cpuset' [ 44.507659] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 01:43:06 Registers: info registers vcpu 0 RAX=ffff888017340000 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806ce08998 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255ed R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529333 RFL=00000046 [---Z-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 00007f9e89b94900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9e8a14b618 CR3=000000001ef0a000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=9820b4d920ae6c00 RBX=ffff888015561bc0 RCX=0000000000000000 RDX=0000000000000003 RSI=ffff888015562640 RDI=ffff888015561bc0 RBP=ffff888015562618 RSP=ffff888016ec7b68 R8 =0000000000000000 R9 =000000000000035d R10=0000000000000001 R11=0000000000000000 R12=ffff888015562640 R13=0000000000000000 R14=0000000000000001 R15=0000000000040000 RIP=ffffffff81526556 RFL=00000092 [--S-A--] 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 00007f3f83fff700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd65d30c98 CR3=000000001cd8f000 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=2036303a33343a313020393120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035303a33343a3130203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000