syzkaller login: [ 39.334780] ------------[ cut here ]------------ [ 39.335703] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.337680] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.339161] Modules linked in: [ 39.339800] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.341782] Tainted: [W]=WARN [ 39.342333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.343830] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.344758] 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 [ 39.347928] RSP: 0018:ffff888017fdfbc0 EFLAGS: 00010286 [ 39.348911] RAX: 0000000000000000 RBX: ffffed1002ffbf78 RCX: ffffffff813a4050 [ 39.350188] RDX: ffff888017688000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.351461] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ffbf2f [ 39.352747] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.354019] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017fdfdf8 [ 39.355313] FS: 00007f3866502900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.356787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.357848] CR2: 00007f38669f4580 CR3: 000000000cd57000 CR4: 0000000000350ef0 [ 39.359133] Call Trace: [ 39.359648] [ 39.360077] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.360975] ? __create_object+0x59/0x80 [ 39.361756] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.362733] __vmalloc_noprof+0x59/0x60 [ 39.363503] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.364386] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.365283] bpf_prog_alloc+0x39/0x200 [ 39.366035] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.366967] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.367876] do_seccomp+0x349/0x25e0 [ 39.368612] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.369508] ? __pfx_do_seccomp+0x10/0x10 [ 39.370245] ? find_held_lock+0x2b/0x80 [ 39.371008] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.371998] ? static_key_count+0x60/0x80 [ 39.372800] prctl_set_seccomp+0x4e/0x70 [ 39.373598] __do_sys_prctl+0xe6c/0x1d70 [ 39.374333] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.375191] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.376185] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.377162] ? irqentry_exit+0xf3/0x650 [ 39.377937] do_syscall_64+0xbf/0x430 [ 39.378688] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.379639] RIP: 0033:0x7f38669f45cd [ 39.380300] 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 [ 39.383434] RSP: 002b:00007ffde038c300 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.384810] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f38669f45cd [ 39.386098] RDX: 000056466085de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.387391] RBP: 00007ffde038c360 R08: 0000000000000000 R09: 00007ffde038ba00 [ 39.388703] R10: 0000000000000000 R11: 0000000000000246 R12: 000056468559bad0 [ 39.389998] R13: 00007ffde038c790 R14: 000056468559cbc0 R15: 00005646855ad780 [ 39.391297] [ 39.391778] irq event stamp: 1795 [ 39.392433] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 39.393970] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 39.395472] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 39.397031] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 39.398565] ---[ end trace 0000000000000000 ]--- [ 42.270142] ------------[ cut here ]------------ [ 42.270957] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.272606] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.273817] Modules linked in: [ 42.274311] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.276207] Tainted: [W]=WARN [ 42.276831] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.278336] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.279262] 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 [ 42.282457] RSP: 0018:ffff8880167dfbc0 EFLAGS: 00010286 [ 42.283254] RAX: 0000000000000000 RBX: ffffed1002cfbf78 RCX: ffffffff813a4050 [ 42.284394] RDX: ffff88801665d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.285479] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cfbf2f [ 42.286648] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.287711] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880167dfdf8 [ 42.288784] FS: 00007ff187e75900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.289974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.290854] CR2: 00007ff188367580 CR3: 000000000cd51000 CR4: 0000000000350ef0 [ 42.291910] Call Trace: [ 42.292303] [ 42.292667] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.293404] ? __create_object+0x59/0x80 [ 42.294010] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.294812] __vmalloc_noprof+0x59/0x60 [ 42.295437] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.296131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.296914] bpf_prog_alloc+0x39/0x200 [ 42.297513] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.298236] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.298977] do_seccomp+0x349/0x25e0 [ 42.299567] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.300318] ? __pfx_do_seccomp+0x10/0x10 [ 42.301016] ? find_held_lock+0x2b/0x80 [ 42.301662] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.302502] ? static_key_count+0x60/0x80 [ 42.303167] prctl_set_seccomp+0x4e/0x70 [ 42.303846] __do_sys_prctl+0xe6c/0x1d70 [ 42.304592] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.305282] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.306113] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.306944] ? irqentry_exit+0xf3/0x650 [ 42.307583] do_syscall_64+0xbf/0x430 [ 42.308223] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.309020] RIP: 0033:0x7ff1883675cd [ 42.309592] 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 [ 42.312243] RSP: 002b:00007ffece56e1e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.313376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff1883675cd [ 42.314482] RDX: 0000564eb84fde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.315538] RBP: 00007ffece56e240 R08: 0000000000000000 R09: 00007ffece56d8e0 [ 42.316606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564ee5400bf0 [ 42.317670] R13: 00007ffece56e670 R14: 0000564ee540a380 R15: 0000564ee5415460 [ 42.318742] [ 42.319091] irq event stamp: 1665 [ 42.319614] hardirqs last enabled at (1675): [] __up_console_sem+0x78/0x80 [ 42.320900] hardirqs last disabled at (1692): [] __up_console_sem+0x5d/0x80 [ 42.322168] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 42.323441] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 42.324704] ---[ end trace 0000000000000000 ]--- [ 43.003527] ------------[ cut here ]------------ [ 43.004460] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.006514] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.007974] Modules linked in: [ 43.008854] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.010932] Tainted: [W]=WARN [ 43.011549] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.013060] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.013992] 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 [ 43.017326] RSP: 0018:ffff8880167c7bc0 EFLAGS: 00010286 [ 43.018403] RAX: 0000000000000000 RBX: ffffed1002cf8f78 RCX: ffffffff813a4050 [ 43.019744] RDX: ffff88801677b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.021167] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cf8f2f [ 43.022518] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.023886] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880167c7df8 [ 43.025243] FS: 00007fa29a627900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.026704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.027793] CR2: 00007fffb999def7 CR3: 0000000021098000 CR4: 0000000000350ef0 [ 43.029113] Call Trace: [ 43.029633] [ 43.030056] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.030968] ? __create_object+0x59/0x80 [ 43.031769] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.032768] __vmalloc_noprof+0x59/0x60 [ 43.033550] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.034469] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.035421] bpf_prog_alloc+0x39/0x200 [ 43.036142] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.037099] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.038030] do_seccomp+0x349/0x25e0 [ 43.038764] ? find_held_lock+0x2b/0x80 [ 43.039542] ? do_prlimit+0x310/0x610 [ 43.040270] ? __pfx_do_seccomp+0x10/0x10 [ 43.041070] ? do_raw_spin_unlock+0x53/0x220 [ 43.041922] ? _raw_spin_unlock+0x1e/0x40 [ 43.042723] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.043710] ? static_key_count+0x60/0x80 [ 43.044542] prctl_set_seccomp+0x4e/0x70 [ 43.045295] __do_sys_prctl+0xe6c/0x1d70 [ 43.046095] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.046970] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.047956] ? irqentry_exit+0xf3/0x650 [ 43.048759] do_syscall_64+0xbf/0x430 [ 43.049528] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.050505] RIP: 0033:0x7fa29ab195cd [ 43.051180] 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 [ 43.054426] RSP: 002b:00007fffb999c830 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.055820] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa29ab195cd [ 43.057148] RDX: 000055f3011d7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.058248] RBP: 00007fffb999c890 R08: 0000000000000000 R09: 00007fffb999bf30 [ 43.059360] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f316f89bf0 [ 43.060470] R13: 00007fffb999ccc0 R14: 000055f316f93380 R15: 000055f316f9e460 [ 43.061582] [ 43.061944] irq event stamp: 1821 [ 43.062496] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 43.063796] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 43.065105] softirqs last enabled at (1568): [] handle_softirqs+0x50c/0x770 [ 43.066422] softirqs last disabled at (1563): [] __irq_exit_rcu+0xc4/0x100 [ 43.067733] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29801' (ECDSA) to the list of known hosts. 2025/11/18 22:38:02 fuzzer started 2025/11/18 22:38:02 dialing manager at localhost:34383 2025/11/18 22:38:02 checking machine... 2025/11/18 22:38:02 checking revisions... [ 43.929958] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:38:02 testing simple program... [ 44.017147] cgroup: Unknown subsys name 'net' [ 44.085096] cgroup: Unknown subsys name 'cpuset' [ 44.100678] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:38:01 Registers: info registers vcpu 0 RAX=ffffffff83ca2311 RBX=ffffffff81619130 RCX=ffff88801a4e764c RDX=1ffff1100349ceea RSI=ffffffff83ca2311 RDI=ffff88801a4e77c0 RBP=ffff88801a4e7790 RSP=ffff88801a4e76f0 R8 =0000000000000001 R9 =ffff88801a4e7738 R10=000000000003c9ed R11=000000000009b069 R12=ffff88801a4e77c0 R13=0000000000000000 R14=ffff8880160cb780 R15=ffff8880096c7b40 RIP=ffffffff81619130 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 00007ff187e75900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffece568000 CR3=000000000e893000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001eb69 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff18842c618 CR3=000000000e723000 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=2031303a38333a323220383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031303a38333a3232203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000