syzkaller login: [ 45.807989] ------------[ cut here ]------------ [ 45.808963] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.811087] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 45.812642] Modules linked in: [ 45.813268] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.815660] Tainted: [W]=WARN [ 45.816249] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.817866] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.818832] 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 [ 45.822197] RSP: 0018:ffff88800f25fbc0 EFLAGS: 00010286 [ 45.823233] RAX: 0000000000000000 RBX: ffffed1001e4bf78 RCX: ffffffff813a4050 [ 45.824594] RDX: ffff88801627d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.825940] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e4bf2f [ 45.827289] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.828626] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f25fdf8 [ 45.829974] FS: 00007f677cfb7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.831472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.832591] CR2: 00007ffedab97ef7 CR3: 000000001630e000 CR4: 0000000000350ef0 [ 45.833936] Call Trace: [ 45.834415] [ 45.834884] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.835837] ? __create_object+0x59/0x80 [ 45.836657] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.837666] __vmalloc_noprof+0x59/0x60 [ 45.838400] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.839324] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.840297] bpf_prog_alloc+0x39/0x200 [ 45.841066] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.842029] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.842977] do_seccomp+0x349/0x25e0 [ 45.843721] ? find_held_lock+0x2b/0x80 [ 45.844455] ? do_prlimit+0x310/0x610 [ 45.845216] ? __pfx_do_seccomp+0x10/0x10 [ 45.846020] ? do_raw_spin_unlock+0x53/0x220 [ 45.846877] ? _raw_spin_unlock+0x1e/0x40 [ 45.847694] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.848687] ? static_key_count+0x60/0x80 [ 45.849461] prctl_set_seccomp+0x4e/0x70 [ 45.850253] __do_sys_prctl+0xe6c/0x1d70 [ 45.851068] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.851968] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.852951] ? irqentry_exit+0xf3/0x650 [ 45.853733] do_syscall_64+0xbf/0x430 [ 45.854452] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.855436] RIP: 0033:0x7f677d4a95cd [ 45.856150] 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 [ 45.859401] RSP: 002b:00007ffedab95480 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.860785] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f677d4a95cd [ 45.862085] RDX: 000056528d5b9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.863397] RBP: 00007ffedab954e0 R08: 0000000000000000 R09: 00007ffedab94b80 [ 45.864704] R10: 0000000000000000 R11: 0000000000000246 R12: 00005652a6ebabf0 [ 45.866014] R13: 00007ffedab95910 R14: 00005652a6ec4380 R15: 00005652a6ecf460 [ 45.867345] [ 45.867827] irq event stamp: 1841 [ 45.868444] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 45.869981] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 45.871515] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 45.872873] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 45.874207] ---[ end trace 0000000000000000 ]--- [ 49.461196] ------------[ cut here ]------------ [ 49.462127] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.464127] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 49.465596] Modules linked in: [ 49.466182] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.468154] Tainted: [W]=WARN [ 49.468747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.470214] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.471144] 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 [ 49.474255] RSP: 0018:ffff88801702fbc0 EFLAGS: 00010286 [ 49.475221] RAX: 0000000000000000 RBX: ffffed1002e05f78 RCX: ffffffff813a4050 [ 49.476476] RDX: ffff88801aec3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.477728] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e05f2f [ 49.479016] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.480314] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801702fdf8 [ 49.481605] FS: 00007fa763ccb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.483031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.484081] CR2: 00007fa7642314a6 CR3: 0000000009c62000 CR4: 0000000000350ef0 [ 49.485360] Call Trace: [ 49.485865] [ 49.486270] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.487184] ? __create_object+0x59/0x80 [ 49.487964] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.488935] __vmalloc_noprof+0x59/0x60 [ 49.489706] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.490527] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.491487] bpf_prog_alloc+0x39/0x200 [ 49.492223] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.493160] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.494060] do_seccomp+0x349/0x25e0 [ 49.494778] ? find_held_lock+0x2b/0x80 [ 49.495506] ? do_prlimit+0x310/0x610 [ 49.496242] ? __pfx_do_seccomp+0x10/0x10 [ 49.497029] ? do_raw_spin_unlock+0x53/0x220 [ 49.497861] ? _raw_spin_unlock+0x1e/0x40 [ 49.498650] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.499622] ? static_key_count+0x60/0x80 [ 49.500375] prctl_set_seccomp+0x4e/0x70 [ 49.501151] __do_sys_prctl+0xe6c/0x1d70 [ 49.501936] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.502803] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.503786] ? irqentry_exit+0xf3/0x650 [ 49.504508] do_syscall_64+0xbf/0x430 [ 49.505249] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.506202] RIP: 0033:0x7fa7641bd5cd [ 49.506898] 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 [ 49.510083] RSP: 002b:00007ffed781cee0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.511454] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7641bd5cd [ 49.512724] RDX: 000055fb558b7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.513996] RBP: 00007ffed781cf40 R08: 0000000000000000 R09: 00007ffed781c5e0 [ 49.515289] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fb7e1b3b10 [ 49.516592] R13: 00007ffed781d370 R14: 000055fb7e1b42b0 R15: 000055fb7e1c86f0 [ 49.517874] [ 49.518293] irq event stamp: 1799 [ 49.518954] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 49.520485] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 49.522013] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 49.523502] softirqs last disabled at (1767): [] __irq_exit_rcu+0xc4/0x100 [ 49.524457] ---[ end trace 0000000000000000 ]--- [ 50.295191] ------------[ cut here ]------------ [ 50.296137] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.298138] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 50.299617] Modules linked in: [ 50.300218] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.302452] Tainted: [W]=WARN [ 50.303127] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.304654] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.305523] 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 [ 50.308778] RSP: 0018:ffff8880171c7bc0 EFLAGS: 00010286 [ 50.309763] RAX: 0000000000000000 RBX: ffffed1002e38f78 RCX: ffffffff813a4050 [ 50.311085] RDX: ffff888016c39bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.312375] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e38f2f [ 50.313688] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.315011] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880171c7df8 [ 50.316321] FS: 00007fc5515e9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.317777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.318848] CR2: 00007ffe75487ef7 CR3: 000000000bf49000 CR4: 0000000000350ef0 [ 50.320168] Call Trace: [ 50.320686] [ 50.321110] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.322019] ? __create_object+0x59/0x80 [ 50.322814] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.323804] __vmalloc_noprof+0x59/0x60 [ 50.324520] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.325402] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.326323] bpf_prog_alloc+0x39/0x200 [ 50.327073] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.328008] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.328920] do_seccomp+0x349/0x25e0 [ 50.329634] ? find_held_lock+0x2b/0x80 [ 50.330373] ? do_prlimit+0x310/0x610 [ 50.331146] ? __pfx_do_seccomp+0x10/0x10 [ 50.331937] ? do_raw_spin_unlock+0x53/0x220 [ 50.332775] ? _raw_spin_unlock+0x1e/0x40 [ 50.333514] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.334489] ? static_key_count+0x60/0x80 [ 50.335306] prctl_set_seccomp+0x4e/0x70 [ 50.336089] __do_sys_prctl+0xe6c/0x1d70 [ 50.336872] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.337730] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.338706] ? irqentry_exit+0xf3/0x650 [ 50.339454] do_syscall_64+0xbf/0x430 [ 50.340205] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.341161] RIP: 0033:0x7fc551adb5cd [ 50.341879] 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 [ 50.345092] RSP: 002b:00007ffe75486110 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.346473] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc551adb5cd [ 50.347769] RDX: 000055cb30088e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.349062] RBP: 00007ffe75486170 R08: 0000000000000000 R09: 00007ffe75485810 [ 50.350367] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cb35f1ead0 [ 50.351676] R13: 00007ffe754865a0 R14: 000055cb35f1fbc0 R15: 000055cb35f30780 [ 50.352971] [ 50.353396] irq event stamp: 1807 [ 50.354050] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 50.355588] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 50.356939] softirqs last enabled at (1820): [] handle_softirqs+0x50c/0x770 [ 50.358227] softirqs last disabled at (1815): [] __irq_exit_rcu+0xc4/0x100 [ 50.359504] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55878' (ECDSA) to the list of known hosts. 2025/11/18 17:23:57 fuzzer started 2025/11/18 17:23:58 dialing manager at localhost:34383 2025/11/18 17:23:58 checking machine... 2025/11/18 17:23:58 checking revisions... [ 51.200802] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:23:58 testing simple program... [ 51.291529] cgroup: Unknown subsys name 'net' [ 51.371838] cgroup: Unknown subsys name 'cpuset' [ 51.383361] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:23:57 Registers: info registers vcpu 0 RAX=ffffffff815d6c98 RBX=0000000000000001 RCX=ffff888009627744 RDX=ffff888009627838 RSI=ffffffff815d6c98 RDI=ffff8880096277f0 RBP=ffff888009627848 RSP=ffff888009627780 R8 =0000000000000001 R9 =ffff888009627830 R10=000000000003c9ed R11=0000000000023d68 R12=0000000000000000 R13=ffff888009627838 R14=ffff888009611bc0 R15=ffff8880096277f0 RIP=ffffffff8135e474 RFL=00000246 [---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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcec61c528 CR3=000000000becf000 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=18e809957e4eee7f00000000000ae988 XMM05=111d2594362473dc0000000000320850 XMM06=090f1556b20111b3000000000031ef80 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffffffff8166d660 RCX=ffffffff8162e7b9 RDX=0000000000000003 RSI=0000000000000001 RDI=0000000000000000 RBP=ffff88806cf28e58 RSP=ffff88806cf08e20 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=0000000000000001 R11=0000000000000001 R12=ffff88806cf28500 R13=ffff88806cf28580 R14=0000000000000001 R15=dffffc0000000000 RIP=ffffffff817518c8 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 00007fa763ccb900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffed7817000 CR3=000000001f859000 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=0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a0a XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=7720656c62697461706d6f63206d6874 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00ffffffffffffffffffffffffffffff XMM08=706d6f63206d687469726f676c612023 XMM09=00000000000000000000000000000000 XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000