syzkaller login: [ 39.040129] ------------[ cut here ]------------ [ 39.040889] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.042507] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.043684] Modules linked in: [ 39.044389] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.046060] Tainted: [W]=WARN [ 39.046509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.047690] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.048426] 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 [ 39.050964] RSP: 0018:ffff888016237bc0 EFLAGS: 00010286 [ 39.051710] RAX: 0000000000000000 RBX: ffffed1002c46f78 RCX: ffffffff813a4050 [ 39.052734] RDX: ffff888016cbd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.053760] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c46f2f [ 39.054785] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.055851] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016237df8 [ 39.056879] FS: 00007f865e533900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.058042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.058896] CR2: 00007f865ea25580 CR3: 000000000c2b2000 CR4: 0000000000350ef0 [ 39.059922] Call Trace: [ 39.060297] [ 39.060626] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.061347] ? __create_object+0x59/0x80 [ 39.061975] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.062723] __vmalloc_noprof+0x59/0x60 [ 39.063328] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.064028] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.064737] bpf_prog_alloc+0x39/0x200 [ 39.065335] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.066091] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.066786] do_seccomp+0x349/0x25e0 [ 39.067367] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.068088] ? __pfx_do_seccomp+0x10/0x10 [ 39.068682] ? find_held_lock+0x2b/0x80 [ 39.069296] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.070073] ? static_key_count+0x60/0x80 [ 39.070675] prctl_set_seccomp+0x4e/0x70 [ 39.071298] __do_sys_prctl+0xe6c/0x1d70 [ 39.071925] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.072577] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.073353] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.074125] ? irqentry_exit+0xf3/0x650 [ 39.074698] do_syscall_64+0xbf/0x430 [ 39.075296] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.076060] RIP: 0033:0x7f865ea255cd [ 39.076585] 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 [ 39.079125] RSP: 002b:00007ffd57265220 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.080212] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f865ea255cd [ 39.081245] RDX: 000055c296c88e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.082290] RBP: 00007ffd57265280 R08: 0000000000000000 R09: 00007ffd57264920 [ 39.083315] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c2d4554bf0 [ 39.084352] R13: 00007ffd572656b0 R14: 000055c2d455e380 R15: 000055c2d4569460 [ 39.085391] [ 39.085740] irq event stamp: 1807 [ 39.086267] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 39.087489] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 39.088706] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 39.089965] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 39.091177] ---[ end trace 0000000000000000 ]--- [ 42.168241] ------------[ cut here ]------------ [ 42.169184] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.171118] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.172541] Modules linked in: [ 42.173175] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.175166] Tainted: [W]=WARN [ 42.175711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.177144] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.178038] 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 [ 42.181118] RSP: 0018:ffff88801896fbc0 EFLAGS: 00010286 [ 42.182088] RAX: 0000000000000000 RBX: ffffed100312df78 RCX: ffffffff813a4050 [ 42.183345] RDX: ffff88800f2e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.184617] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100312df2f [ 42.185882] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.187138] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801896fdf8 [ 42.188410] FS: 00007f23885c8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.189841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.190884] CR2: 00007ffe2ad6aef8 CR3: 000000000ce3f000 CR4: 0000000000350ef0 [ 42.192164] Call Trace: [ 42.192628] [ 42.193069] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.193969] ? __create_object+0x59/0x80 [ 42.194696] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.195659] __vmalloc_noprof+0x59/0x60 [ 42.196404] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.197257] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.198192] bpf_prog_alloc+0x39/0x200 [ 42.198907] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.199772] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.200663] do_seccomp+0x349/0x25e0 [ 42.201367] ? find_held_lock+0x2b/0x80 [ 42.202136] ? do_prlimit+0x310/0x610 [ 42.202859] ? __pfx_do_seccomp+0x10/0x10 [ 42.203589] ? do_raw_spin_unlock+0x53/0x220 [ 42.204404] ? _raw_spin_unlock+0x1e/0x40 [ 42.205173] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.206139] ? static_key_count+0x60/0x80 [ 42.206921] prctl_set_seccomp+0x4e/0x70 [ 42.207638] __do_sys_prctl+0xe6c/0x1d70 [ 42.208412] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.209237] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.210204] ? irqentry_exit+0xf3/0x650 [ 42.210958] do_syscall_64+0xbf/0x430 [ 42.211641] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.212558] RIP: 0033:0x7f2388aba5cd [ 42.213263] 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 [ 42.216346] RSP: 002b:00007ffe2ad69660 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.217704] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2388aba5cd [ 42.218963] RDX: 00005582bb761e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.220230] RBP: 00007ffe2ad696c0 R08: 0000000000000000 R09: 00007ffe2ad68d60 [ 42.221485] R10: 0000000000000000 R11: 0000000000000246 R12: 00005582f4444ad0 [ 42.222763] R13: 00007ffe2ad69af0 R14: 00005582f4445bc0 R15: 00005582f4456780 [ 42.224040] [ 42.224454] irq event stamp: 1695 [ 42.225094] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 42.226608] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 42.228102] softirqs last enabled at (1634): [] handle_softirqs+0x50c/0x770 [ 42.229620] softirqs last disabled at (1629): [] __irq_exit_rcu+0xc4/0x100 [ 42.231128] ---[ end trace 0000000000000000 ]--- [ 43.007752] ------------[ cut here ]------------ [ 43.008640] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.010581] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.011964] Modules linked in: [ 43.012545] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.014676] Tainted: [W]=WARN [ 43.015311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.016732] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.017700] 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 [ 43.020997] RSP: 0018:ffff88800d7c7bc0 EFLAGS: 00010286 [ 43.022044] RAX: 0000000000000000 RBX: ffffed1001af8f78 RCX: ffffffff813a4050 [ 43.023390] RDX: ffff888016cb9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.024739] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001af8f2f [ 43.026096] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.027450] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d7c7df8 [ 43.028797] FS: 00007f87e41d4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.030341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.031466] CR2: 00007f87e46c6580 CR3: 0000000020729000 CR4: 0000000000350ef0 [ 43.032839] Call Trace: [ 43.033322] [ 43.033764] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.034719] ? __create_object+0x59/0x80 [ 43.035532] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.036560] __vmalloc_noprof+0x59/0x60 [ 43.037357] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.038291] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.039281] bpf_prog_alloc+0x39/0x200 [ 43.040070] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.041051] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.042022] do_seccomp+0x349/0x25e0 [ 43.042732] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.043673] ? __pfx_do_seccomp+0x10/0x10 [ 43.044507] ? find_held_lock+0x2b/0x80 [ 43.045313] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.046340] ? static_key_count+0x60/0x80 [ 43.047180] prctl_set_seccomp+0x4e/0x70 [ 43.048004] __do_sys_prctl+0xe6c/0x1d70 [ 43.048786] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.049705] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.050733] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.051756] ? irqentry_exit+0xf3/0x650 [ 43.052544] do_syscall_64+0xbf/0x430 [ 43.053325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.054335] RIP: 0033:0x7f87e46c65cd [ 43.055102] 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 [ 43.058439] RSP: 002b:00007fffd19204b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.059761] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f87e46c65cd [ 43.061100] RDX: 000055d13522fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.062470] RBP: 00007fffd1920510 R08: 0000000000000000 R09: 00007fffd191fbb0 [ 43.063833] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d16de15ad0 [ 43.065190] R13: 00007fffd1920940 R14: 000055d16de16bc0 R15: 000055d16de27780 [ 43.066575] [ 43.067074] irq event stamp: 1791 [ 43.067715] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 43.069246] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 43.070854] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 43.072456] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 43.074048] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:11398' (ECDSA) to the list of known hosts. 2025/11/18 11:20:32 fuzzer started 2025/11/18 11:20:32 dialing manager at localhost:34383 2025/11/18 11:20:32 checking machine... 2025/11/18 11:20:32 checking revisions... [ 43.958522] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:20:33 testing simple program... [ 44.048600] cgroup: Unknown subsys name 'net' [ 44.115642] cgroup: Unknown subsys name 'cpuset' [ 44.129903] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:20:32 Registers: info registers vcpu 0 RAX=ffff88800b730300 RBX=0000000000000010 RCX=0000000000000000 RDX=1ffff11001931970 RSI=ffffffff822bb8fc RDI=ffff88800c98cb80 RBP=ffff88800c98cb00 RSP=ffff88800d7c7d20 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88801c495640 R13=dffffc0000000000 R14=1ffff11001af8fa8 R15=0000000000000000 RIP=ffffffff822bb94a 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 00007f23885c8900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbdcdb75218 CR3=000000000df35000 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=30323a313120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323730 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=0000000000000000 RBX=0000000000000001 RCX=ffffffff819e75c0 RDX=ffff88800f2e0000 RSI=ffffffff819e7682 RDI=0000000000000005 RBP=0000000000000014 RSP=ffff8880189dfe28 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888016690a80 R13=00007f3241b94288 R14=0000000000000000 R15=ffff888016690a80 RIP=ffffffff81751e4b 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3241b94288 CR3=0000000020726000 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=6f732e616d7a6c62696c2f756e672d78 XMM02=00352e6f732e616d7a6c62696c2f756e XMM03=672d78756e696c2d34365f3638782f62 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000