syzkaller login: [ 39.036890] ------------[ cut here ]------------ [ 39.037827] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.039880] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.041634] Modules linked in: [ 39.042242] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.044350] Tainted: [W]=WARN [ 39.044961] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.046454] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.047338] 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 [ 39.050630] RSP: 0018:ffff8880157ffbc0 EFLAGS: 00010286 [ 39.051635] RAX: 0000000000000000 RBX: ffffed1002afff78 RCX: ffffffff813a4050 [ 39.052964] RDX: ffff88800a8cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.054284] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002afff2f [ 39.055599] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.056928] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880157ffdf8 [ 39.058246] FS: 00007f359469a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.059728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.060815] CR2: 00007ffcee257ef8 CR3: 000000000be9b000 CR4: 0000000000350ef0 [ 39.062133] Call Trace: [ 39.062657] [ 39.063079] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.064016] ? __create_object+0x59/0x80 [ 39.064819] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.065813] __vmalloc_noprof+0x59/0x60 [ 39.066590] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.067489] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.068456] bpf_prog_alloc+0x39/0x200 [ 39.069169] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.070119] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.071050] do_seccomp+0x349/0x25e0 [ 39.071784] ? find_held_lock+0x2b/0x80 [ 39.072580] ? do_prlimit+0x310/0x610 [ 39.073294] ? __pfx_do_seccomp+0x10/0x10 [ 39.074099] ? do_raw_spin_unlock+0x53/0x220 [ 39.074957] ? _raw_spin_unlock+0x1e/0x40 [ 39.075765] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.076762] ? static_key_count+0x60/0x80 [ 39.077587] prctl_set_seccomp+0x4e/0x70 [ 39.078334] __do_sys_prctl+0xe6c/0x1d70 [ 39.079141] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.080041] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.081035] ? irqentry_exit+0xf3/0x650 [ 39.081813] do_syscall_64+0xbf/0x430 [ 39.082576] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.083552] RIP: 0033:0x7f3594b8c5cd [ 39.084247] 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 [ 39.087489] RSP: 002b:00007ffcee255fb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.088902] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3594b8c5cd [ 39.090214] RDX: 0000560e5ad39e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.091522] RBP: 00007ffcee256010 R08: 0000000000000000 R09: 00007ffcee2556b0 [ 39.092850] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560e7bf03ad0 [ 39.094159] R13: 00007ffcee256440 R14: 0000560e7bf04bc0 R15: 0000560e7bf15780 [ 39.095490] [ 39.095935] irq event stamp: 1847 [ 39.096588] hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80 [ 39.098146] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80 [ 39.099702] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 39.101297] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 39.102843] ---[ end trace 0000000000000000 ]--- [ 42.090103] ------------[ cut here ]------------ [ 42.091054] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.093086] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.094571] Modules linked in: [ 42.095174] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.097487] Tainted: [W]=WARN [ 42.098070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.099674] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.100636] 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 [ 42.103894] RSP: 0018:ffff88800f297bc0 EFLAGS: 00010286 [ 42.104899] RAX: 0000000000000000 RBX: ffffed1001e52f78 RCX: ffffffff813a4050 [ 42.106212] RDX: ffff8880136e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.107527] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e52f2f [ 42.108852] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.110161] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f297df8 [ 42.111472] FS: 00007fc6ea578900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.112951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.114036] CR2: 00007fff8c0e1ef8 CR3: 0000000019369000 CR4: 0000000000350ef0 [ 42.115345] Call Trace: [ 42.115861] [ 42.116296] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.117207] ? __create_object+0x59/0x80 [ 42.117999] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.119019] __vmalloc_noprof+0x59/0x60 [ 42.119799] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.120695] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.121651] bpf_prog_alloc+0x39/0x200 [ 42.122420] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.123323] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.124253] do_seccomp+0x349/0x25e0 [ 42.124991] ? find_held_lock+0x2b/0x80 [ 42.125782] ? do_prlimit+0x310/0x610 [ 42.126540] ? __pfx_do_seccomp+0x10/0x10 [ 42.127302] ? do_raw_spin_unlock+0x53/0x220 [ 42.128184] ? _raw_spin_unlock+0x1e/0x40 [ 42.128990] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.129975] ? static_key_count+0x60/0x80 [ 42.130795] prctl_set_seccomp+0x4e/0x70 [ 42.131588] __do_sys_prctl+0xe6c/0x1d70 [ 42.132353] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.133239] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.134226] ? irqentry_exit+0xf3/0x650 [ 42.135006] do_syscall_64+0xbf/0x430 [ 42.135761] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.136757] RIP: 0033:0x7fc6eaa6a5cd [ 42.137494] 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 [ 42.140765] RSP: 002b:00007fff8c0e04b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.142162] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc6eaa6a5cd [ 42.143479] RDX: 0000565284339e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.144820] RBP: 00007fff8c0e0510 R08: 0000000000000000 R09: 00007fff8c0dfbb0 [ 42.146138] R10: 0000000000000000 R11: 0000000000000246 R12: 000056528c115ad0 [ 42.147485] R13: 00007fff8c0e0940 R14: 000056528c116bc0 R15: 000056528c127780 [ 42.148829] [ 42.149263] irq event stamp: 1791 [ 42.149924] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 42.151482] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 42.153046] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 42.154625] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 42.156190] ---[ end trace 0000000000000000 ]--- [ 42.904583] ------------[ cut here ]------------ [ 42.905533] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.907517] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.909026] Modules linked in: [ 42.909671] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.911636] Tainted: [W]=WARN [ 42.912194] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.913653] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.914548] 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 [ 42.917697] RSP: 0018:ffff88801669fbc0 EFLAGS: 00010286 [ 42.918678] RAX: 0000000000000000 RBX: ffffed1002cd3f78 RCX: ffffffff813a4050 [ 42.919962] RDX: ffff8880190f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.921237] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cd3f2f [ 42.922529] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.923797] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801669fdf8 [ 42.925093] FS: 00007f30df7be900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.926521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.927595] CR2: 00007ffea80bcef8 CR3: 000000001661d000 CR4: 0000000000350ef0 [ 42.928896] Call Trace: [ 42.929359] [ 42.929798] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.930693] ? __create_object+0x59/0x80 [ 42.931474] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.932441] __vmalloc_noprof+0x59/0x60 [ 42.933149] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.934031] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.934961] bpf_prog_alloc+0x39/0x200 [ 42.935696] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.936647] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.937553] do_seccomp+0x349/0x25e0 [ 42.938221] ? find_held_lock+0x2b/0x80 [ 42.938981] ? do_prlimit+0x310/0x610 [ 42.939715] ? __pfx_do_seccomp+0x10/0x10 [ 42.940511] ? do_raw_spin_unlock+0x53/0x220 [ 42.941290] ? _raw_spin_unlock+0x1e/0x40 [ 42.942068] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.943045] ? static_key_count+0x60/0x80 [ 42.943854] prctl_set_seccomp+0x4e/0x70 [ 42.944656] __do_sys_prctl+0xe6c/0x1d70 [ 42.945454] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.946278] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.947254] ? irqentry_exit+0xf3/0x650 [ 42.948040] do_syscall_64+0xbf/0x430 [ 42.948792] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.949751] RIP: 0033:0x7f30dfcb05cd [ 42.950466] 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 [ 42.953668] RSP: 002b:00007ffea80bac00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.955046] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f30dfcb05cd [ 42.956361] RDX: 000055d30e72ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.957691] RBP: 00007ffea80bac60 R08: 0000000000000000 R09: 00007ffea80ba300 [ 42.958986] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d346871ad0 [ 42.960296] R13: 00007ffea80bb090 R14: 000055d346872bc0 R15: 000055d346883780 [ 42.961620] [ 42.962051] irq event stamp: 1809 [ 42.962709] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 42.964270] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 42.965855] softirqs last enabled at (1848): [] handle_softirqs+0x50c/0x770 [ 42.967417] softirqs last disabled at (1837): [] __irq_exit_rcu+0xc4/0x100 [ 42.968988] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18404' (ECDSA) to the list of known hosts. 2025/11/18 16:17:09 fuzzer started 2025/11/18 16:17:09 dialing manager at localhost:34383 2025/11/18 16:17:09 checking machine... 2025/11/18 16:17:09 checking revisions... [ 43.871439] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:17:09 testing simple program... [ 43.961727] cgroup: Unknown subsys name 'net' [ 44.026895] cgroup: Unknown subsys name 'cpuset' [ 44.051578] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 16:17:08 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=ffff88800a379bc0 RCX=255630821f11977f RDX=00000000235b4fc8 RSI=0000000010e2cc00 RDI=00000000a4e8a246 RBP=ffff88800a37a618 RSP=ffff88801531f218 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff88800a37a640 R13=00000000343e1bc8 R14=0000000000000000 R15=255630821f11977f RIP=ffffffff8152763f RFL=00000087 [--S--PC] 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 00007fc6ea578900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc6ea547008 CR3=0000000015f87000 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=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=00000000000223c9 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f02b26a4000 CR3=000000000e930000 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=2038303a37313a363120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038303a37313a3631203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000