syzkaller login: [ 39.096208] ------------[ cut here ]------------ [ 39.097414] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.100005] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.102301] Modules linked in: [ 39.103771] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.106333] Tainted: [W]=WARN [ 39.107139] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.109029] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.110223] 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 [ 39.114284] RSP: 0018:ffff88801a67fbc0 EFLAGS: 00010286 [ 39.115612] RAX: 0000000000000000 RBX: ffffed10034cff78 RCX: ffffffff813a4050 [ 39.117272] RDX: ffff8880173c3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.118946] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034cff2f [ 39.120627] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.122280] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a67fdf8 [ 39.123825] FS: 00007f3fc1396900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.125257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.126324] CR2: 00007f3fc1888580 CR3: 000000000d40b000 CR4: 0000000000350ef0 [ 39.127640] Call Trace: [ 39.128112] [ 39.128524] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.129404] ? __create_object+0x59/0x80 [ 39.130189] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.131163] __vmalloc_noprof+0x59/0x60 [ 39.131924] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.132800] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.133726] bpf_prog_alloc+0x39/0x200 [ 39.134411] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.135340] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.136235] do_seccomp+0x349/0x25e0 [ 39.136949] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.137857] ? __pfx_do_seccomp+0x10/0x10 [ 39.138638] ? find_held_lock+0x2b/0x80 [ 39.139357] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.140318] ? static_key_count+0x60/0x80 [ 39.141136] prctl_set_seccomp+0x4e/0x70 [ 39.141910] __do_sys_prctl+0xe6c/0x1d70 [ 39.142681] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.143517] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.144489] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.145443] ? irqentry_exit+0xf3/0x650 [ 39.146206] do_syscall_64+0xbf/0x430 [ 39.146951] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.147890] RIP: 0033:0x7f3fc18885cd [ 39.148561] 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 [ 39.151711] RSP: 002b:00007fff6ee00540 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.153083] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3fc18885cd [ 39.154378] RDX: 00005630dcab5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.155653] RBP: 00007fff6ee005a0 R08: 0000000000000000 R09: 00007fff6edffc40 [ 39.156913] R10: 0000000000000000 R11: 0000000000000246 R12: 00005630e49df2b0 [ 39.158196] R13: 00007fff6ee009d0 R14: 00005630e49e1d20 R15: 00005630e49f38d0 [ 39.159452] [ 39.159833] irq event stamp: 1887 [ 39.160333] hardirqs last enabled at (1895): [] __up_console_sem+0x78/0x80 [ 39.161596] hardirqs last disabled at (1904): [] __up_console_sem+0x5d/0x80 [ 39.162863] softirqs last enabled at (1824): [] handle_softirqs+0x50c/0x770 [ 39.164136] softirqs last disabled at (1813): [] __irq_exit_rcu+0xc4/0x100 [ 39.165387] ---[ end trace 0000000000000000 ]--- [ 42.449979] ------------[ cut here ]------------ [ 42.451060] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.453348] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.455090] Modules linked in: [ 42.455839] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.458158] Tainted: [W]=WARN [ 42.458871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.460609] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.461684] 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 [ 42.465451] RSP: 0018:ffff8880173e7bc0 EFLAGS: 00010286 [ 42.466615] RAX: 0000000000000000 RBX: ffffed1002e7cf78 RCX: ffffffff813a4050 [ 42.468044] RDX: ffff888017828000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.469338] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e7cf2f [ 42.470634] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.471939] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173e7df8 [ 42.473232] FS: 00007fdffeec7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.474695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.475786] CR2: 00007ffcd20a6ef8 CR3: 000000000c696000 CR4: 0000000000350ef0 [ 42.477103] Call Trace: [ 42.477620] [ 42.478039] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.478973] ? __create_object+0x59/0x80 [ 42.479782] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.480789] __vmalloc_noprof+0x59/0x60 [ 42.481518] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.482413] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.483368] bpf_prog_alloc+0x39/0x200 [ 42.484123] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.485080] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.486015] do_seccomp+0x349/0x25e0 [ 42.486774] ? find_held_lock+0x2b/0x80 [ 42.487529] ? do_prlimit+0x310/0x610 [ 42.488303] ? __pfx_do_seccomp+0x10/0x10 [ 42.489105] ? do_raw_spin_unlock+0x53/0x220 [ 42.489942] ? _raw_spin_unlock+0x1e/0x40 [ 42.490724] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.491710] ? static_key_count+0x60/0x80 [ 42.492467] prctl_set_seccomp+0x4e/0x70 [ 42.493247] __do_sys_prctl+0xe6c/0x1d70 [ 42.494026] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.494903] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.495885] ? irqentry_exit+0xf3/0x650 [ 42.496651] do_syscall_64+0xbf/0x430 [ 42.497346] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.498314] RIP: 0033:0x7fdfff3b95cd [ 42.499045] 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 [ 42.501785] RSP: 002b:00007ffcd20a4480 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.502953] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfff3b95cd [ 42.504039] RDX: 000055b623049e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.505139] RBP: 00007ffcd20a44e0 R08: 0000000000000000 R09: 00007ffcd20a3b80 [ 42.506231] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b6316c8ad0 [ 42.507320] R13: 00007ffcd20a4910 R14: 000055b6316c9bc0 R15: 000055b6316da780 [ 42.508425] [ 42.508816] irq event stamp: 1735 [ 42.509325] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.510608] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 42.511911] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 42.513209] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 42.514481] ---[ end trace 0000000000000000 ]--- [ 43.313623] ------------[ cut here ]------------ [ 43.314499] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.316455] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.317889] Modules linked in: [ 43.318486] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.320699] Tainted: [W]=WARN [ 43.321248] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.322746] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.323658] 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 [ 43.326754] RSP: 0018:ffff88801a757bc0 EFLAGS: 00010286 [ 43.327740] RAX: 0000000000000000 RBX: ffffed10034eaf78 RCX: ffffffff813a4050 [ 43.329014] RDX: ffff888017523780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.330274] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034eaf2f [ 43.331552] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.332838] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a757df8 [ 43.334100] FS: 00007f032c98c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.335518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.336559] CR2: 00007fff96662ef8 CR3: 000000000e072000 CR4: 0000000000350ef0 [ 43.337837] Call Trace: [ 43.338290] [ 43.338739] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.339615] ? __create_object+0x59/0x80 [ 43.340338] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.341287] __vmalloc_noprof+0x59/0x60 [ 43.342029] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.342898] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.343831] bpf_prog_alloc+0x39/0x200 [ 43.344510] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.345418] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.346299] do_seccomp+0x349/0x25e0 [ 43.347010] ? find_held_lock+0x2b/0x80 [ 43.347761] ? do_prlimit+0x310/0x610 [ 43.348454] ? __pfx_do_seccomp+0x10/0x10 [ 43.349234] ? do_raw_spin_unlock+0x53/0x220 [ 43.350057] ? _raw_spin_unlock+0x1e/0x40 [ 43.350828] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.351796] ? static_key_count+0x60/0x80 [ 43.352545] prctl_set_seccomp+0x4e/0x70 [ 43.353349] __do_sys_prctl+0xe6c/0x1d70 [ 43.354139] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.355003] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.355963] ? irqentry_exit+0xf3/0x650 [ 43.356727] do_syscall_64+0xbf/0x430 [ 43.357417] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.358351] RIP: 0033:0x7f032ce7e5cd [ 43.359067] 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 [ 43.362180] RSP: 002b:00007fff96660910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.363528] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f032ce7e5cd [ 43.364796] RDX: 000056376a465e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.366064] RBP: 00007fff96660970 R08: 0000000000000000 R09: 00007fff96660010 [ 43.367348] R10: 0000000000000000 R11: 0000000000000246 R12: 00005637a5c61ad0 [ 43.368617] R13: 00007fff96660da0 R14: 00005637a5c62bc0 R15: 00005637a5c73780 [ 43.369902] [ 43.370325] irq event stamp: 1835 [ 43.370977] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 43.372484] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 43.373979] softirqs last enabled at (1662): [] handle_softirqs+0x50c/0x770 [ 43.375516] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100 [ 43.377007] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16287' (ECDSA) to the list of known hosts. 2025/11/18 12:58:38 fuzzer started 2025/11/18 12:58:39 dialing manager at localhost:34383 2025/11/18 12:58:39 checking machine... 2025/11/18 12:58:39 checking revisions... [ 44.281146] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:58:39 testing simple program... [ 44.378876] cgroup: Unknown subsys name 'net' [ 44.446919] cgroup: Unknown subsys name 'cpuset' [ 44.469442] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:58:38 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016adf7e8 RCX=ffffffff86accf0e RDX=1ffff11002d5befd RSI=ffff888016adfd70 RDI=ffff888016adf7e8 RBP=ffff888016adfd70 RSP=ffff888016adf740 R8 =0000000000000001 R9 =ffff888016adf828 R10=000000000003c9ed R11=0000000000028ce7 R12=0000000000000008 R13=ffff888016adf830 R14=ffff888016adfd70 R15=ffff888016adf7e8 RIP=ffffffff8135e23a RFL=00000282 [--S----] 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 00007fdffeec7900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcd209e000 CR3=000000000b6b1000 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=0000000000032cb3 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=00000202 [-------] 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 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd24abbe920 CR3=000000000d165000 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=2038333a38353a323120383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037333a38353a3231203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000