syzkaller login: [ 39.028490] ------------[ cut here ]------------ [ 39.029435] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.031437] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.032904] Modules linked in: [ 39.033588] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.035609] Tainted: [W]=WARN [ 39.036221] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.037701] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.038641] 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 [ 39.041834] RSP: 0018:ffff888015837bc0 EFLAGS: 00010286 [ 39.042818] RAX: 0000000000000000 RBX: ffffed1002b06f78 RCX: ffffffff813a4050 [ 39.044090] RDX: ffff888009d08000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.045414] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b06f2f [ 39.046727] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.048018] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015837df8 [ 39.049318] FS: 00007f069cba0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.050770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.051839] CR2: 00007ffe192b1ef8 CR3: 000000000b69a000 CR4: 0000000000350ef0 [ 39.053140] Call Trace: [ 39.053604] [ 39.054019] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.054933] ? __create_object+0x59/0x80 [ 39.055719] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.056706] __vmalloc_noprof+0x59/0x60 [ 39.057477] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.058347] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.059288] bpf_prog_alloc+0x39/0x200 [ 39.059997] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.060926] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.061838] do_seccomp+0x349/0x25e0 [ 39.062581] ? find_held_lock+0x2b/0x80 [ 39.063337] ? do_prlimit+0x310/0x610 [ 39.064036] ? __pfx_do_seccomp+0x10/0x10 [ 39.064829] ? do_raw_spin_unlock+0x53/0x220 [ 39.065667] ? _raw_spin_unlock+0x1e/0x40 [ 39.066439] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.067443] ? static_key_count+0x60/0x80 [ 39.068255] prctl_set_seccomp+0x4e/0x70 [ 39.068993] __do_sys_prctl+0xe6c/0x1d70 [ 39.069772] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.070649] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.071623] ? irqentry_exit+0xf3/0x650 [ 39.072399] do_syscall_64+0xbf/0x430 [ 39.073101] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.074063] RIP: 0033:0x7f069d0925cd [ 39.074781] 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 [ 39.077959] RSP: 002b:00007ffe192b0a60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.079373] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f069d0925cd [ 39.080675] RDX: 000055cdff4b3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.081972] RBP: 00007ffe192b0ac0 R08: 0000000000000000 R09: 00007ffe192b0160 [ 39.083283] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ce17147ad0 [ 39.084580] R13: 00007ffe192b0ef0 R14: 000055ce17148bc0 R15: 000055ce17159780 [ 39.085909] [ 39.086391] irq event stamp: 1763 [ 39.087012] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 39.088540] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 39.090059] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 39.091642] softirqs last disabled at (1745): [] __irq_exit_rcu+0xc4/0x100 [ 39.093161] ---[ end trace 0000000000000000 ]--- [ 42.534898] ------------[ cut here ]------------ [ 42.535811] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.537807] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.539289] Modules linked in: [ 42.539876] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.542098] Tainted: [W]=WARN [ 42.542779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.544278] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.545205] 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 [ 42.548406] RSP: 0018:ffff888016cdfbc0 EFLAGS: 00010286 [ 42.549417] RAX: 0000000000000000 RBX: ffffed1002d9bf78 RCX: ffffffff813a4050 [ 42.550724] RDX: ffff888009d0d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.552022] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9bf2f [ 42.553309] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.554633] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cdfdf8 [ 42.555941] FS: 00007f25d7ec1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.557378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.558442] CR2: 00007f25d83b3580 CR3: 00000000137d8000 CR4: 0000000000350ef0 [ 42.559767] Call Trace: [ 42.560269] [ 42.560688] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.561596] ? __create_object+0x59/0x80 [ 42.562378] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.563375] __vmalloc_noprof+0x59/0x60 [ 42.564104] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.564986] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.565918] bpf_prog_alloc+0x39/0x200 [ 42.566679] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.567638] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.568545] do_seccomp+0x349/0x25e0 [ 42.569287] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.570204] ? __pfx_do_seccomp+0x10/0x10 [ 42.570959] ? find_held_lock+0x2b/0x80 [ 42.571719] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.572688] ? static_key_count+0x60/0x80 [ 42.573494] prctl_set_seccomp+0x4e/0x70 [ 42.574270] __do_sys_prctl+0xe6c/0x1d70 [ 42.575027] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.575888] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.576876] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.577860] ? irqentry_exit+0xf3/0x650 [ 42.578651] do_syscall_64+0xbf/0x430 [ 42.579395] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.580363] RIP: 0033:0x7f25d83b35cd [ 42.581027] 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 [ 42.584213] RSP: 002b:00007ffe29109ee0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.585587] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f25d83b35cd [ 42.586901] RDX: 000055598b340e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.588208] RBP: 00007ffe29109f40 R08: 0000000000000000 R09: 00007ffe291095e0 [ 42.589482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555994591ad0 [ 42.590774] R13: 00007ffe2910a370 R14: 0000555994592bc0 R15: 00005559945a3780 [ 42.592074] [ 42.592533] irq event stamp: 1803 [ 42.593190] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 42.594708] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 42.596219] softirqs last enabled at (1368): [] handle_softirqs+0x50c/0x770 [ 42.597747] softirqs last disabled at (1353): [] __irq_exit_rcu+0xc4/0x100 [ 42.599291] ---[ end trace 0000000000000000 ]--- [ 43.457255] ------------[ cut here ]------------ [ 43.458203] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.460269] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.461921] Modules linked in: [ 43.462640] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.464656] Tainted: [W]=WARN [ 43.465268] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.466742] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.467669] 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 [ 43.470858] RSP: 0018:ffff888015f1fbc0 EFLAGS: 00010286 [ 43.471852] RAX: 0000000000000000 RBX: ffffed1002be3f78 RCX: ffffffff813a4050 [ 43.473153] RDX: ffff88800f553780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.474430] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002be3f2f [ 43.475746] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.477045] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f1fdf8 [ 43.478344] FS: 00007ff357baf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.479795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.480878] CR2: 00007ffd8c7aaef8 CR3: 0000000009a22000 CR4: 0000000000350ef0 [ 43.482146] Call Trace: [ 43.482626] [ 43.483033] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.483931] ? __create_object+0x59/0x80 [ 43.484731] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.485708] __vmalloc_noprof+0x59/0x60 [ 43.486456] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.487356] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.488290] bpf_prog_alloc+0x39/0x200 [ 43.488982] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.489918] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.490837] do_seccomp+0x349/0x25e0 [ 43.491550] ? find_held_lock+0x2b/0x80 [ 43.492311] ? do_prlimit+0x310/0x610 [ 43.493010] ? __pfx_do_seccomp+0x10/0x10 [ 43.493796] ? do_raw_spin_unlock+0x53/0x220 [ 43.494659] ? _raw_spin_unlock+0x1e/0x40 [ 43.495458] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.496440] ? static_key_count+0x60/0x80 [ 43.497250] prctl_set_seccomp+0x4e/0x70 [ 43.497979] __do_sys_prctl+0xe6c/0x1d70 [ 43.498784] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.499645] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.500643] ? irqentry_exit+0xf3/0x650 [ 43.501423] do_syscall_64+0xbf/0x430 [ 43.502170] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.503164] RIP: 0033:0x7ff3580a15cd [ 43.503823] 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 [ 43.507003] RSP: 002b:00007ffd8c7a9980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.508379] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff3580a15cd [ 43.509683] RDX: 000055bb2fad1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.510967] RBP: 00007ffd8c7a99e0 R08: 0000000000000000 R09: 00007ffd8c7a9080 [ 43.512057] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bb6eb3ebf0 [ 43.513129] R13: 00007ffd8c7a9e10 R14: 000055bb6eb48380 R15: 000055bb6eb53460 [ 43.514218] [ 43.514570] irq event stamp: 1801 [ 43.515081] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 43.516378] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 43.517645] softirqs last enabled at (1676): [] handle_softirqs+0x50c/0x770 [ 43.518948] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 43.520226] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:64488' (ECDSA) to the list of known hosts. 2025/11/18 10:59:30 fuzzer started 2025/11/18 10:59:30 dialing manager at localhost:34383 2025/11/18 10:59:30 checking machine... 2025/11/18 10:59:30 checking revisions... [ 44.544950] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:59:31 testing simple program... [ 44.641777] cgroup: Unknown subsys name 'net' [ 44.697905] cgroup: Unknown subsys name 'cpuset' [ 44.715885] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 10:59:29 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff822eabdd RDX=0000000000012eab RSI=0000000000012eab RDI=ffffffff86f0f604 RBP=ffff888015927230 RSP=ffff888015927168 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000001 R12=ffff888015927238 R13=ffff888015927220 R14=ffff888015927219 R15=ffff8880159271d8 RIP=ffffffff8135e5e2 RFL=00000217 [----APC] 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 00007ff8087c6700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd187b47118 CR3=000000000d838000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a30343933352074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303439 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000004 RBX=0000000000000001 RCX=ffffffff81baa814 RDX=0000000000000008 RSI=ffffffff86ac6d46 RDI=ffffffff8672f820 RBP=ffffffff8672f820 RSP=ffff88806cf08958 R8 =ffffffff86ac6d46 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000027ca1 R12=ffffffff8672f840 R13=ffffffff8672f820 R14=ffffffff8672f820 R15=dffffc0000000000 RIP=ffffffff8135da9e RFL=00000212 [----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f25d84790b0 CR3=000000000dfde000 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=2039323a39353a303120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039323a39353a3031203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000