[ 46.626249] ------------[ cut here ]------------ [ 46.627194] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.629247] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.630740] Modules linked in: [ 46.631338] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.633548] Tainted: [W]=WARN [ 46.634113] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.635667] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.636600] 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 [ 46.639802] RSP: 0018:ffff88801aa8fbc0 EFLAGS: 00010286 [ 46.640795] RAX: 0000000000000000 RBX: ffffed1003551f78 RCX: ffffffff813a4050 [ 46.642101] RDX: ffff888015dd0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.643416] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003551f2f [ 46.644721] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.646004] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801aa8fdf8 [ 46.647298] FS: 00007f792c0c2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.648755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.649840] CR2: 00007f792c5b4580 CR3: 0000000015d70000 CR4: 0000000000350ef0 [ 46.651151] Call Trace: [ 46.651660] [ 46.652077] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.653005] ? __create_object+0x59/0x80 [ 46.653811] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.654812] __vmalloc_noprof+0x59/0x60 [ 46.655591] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.656427] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.657381] bpf_prog_alloc+0x39/0x200 [ 46.658129] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.659085] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.660011] do_seccomp+0x349/0x25e0 [ 46.660756] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.661686] ? __pfx_do_seccomp+0x10/0x10 [ 46.662512] ? find_held_lock+0x2b/0x80 [ 46.663229] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.664201] ? static_key_count+0x60/0x80 [ 46.665026] prctl_set_seccomp+0x4e/0x70 [ 46.665813] __do_sys_prctl+0xe6c/0x1d70 [ 46.666635] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.667509] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.668494] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.669433] ? irqentry_exit+0xf3/0x650 [ 46.670228] do_syscall_64+0xbf/0x430 [ 46.670994] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.671956] RIP: 0033:0x7f792c5b45cd [ 46.672675] 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 [ 46.675897] RSP: 002b:00007fff7543c4b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.677283] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f792c5b45cd [ 46.678611] RDX: 0000557b0d2f7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.679969] RBP: 00007fff7543c510 R08: 0000000000000000 R09: 00007fff7543bbb0 [ 46.681297] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557b0e731240 [ 46.682618] R13: 00007fff7543c940 R14: 0000557b0e73a380 R15: 0000557b0e745540 [ 46.683924] [ 46.684358] irq event stamp: 1759 [ 46.685025] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 46.686577] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 46.688127] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 46.689681] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 46.691237] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.396305] ------------[ cut here ]------------ [ 49.397203] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.399130] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 49.400541] Modules linked in: [ 49.401106] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.403055] Tainted: [W]=WARN [ 49.403630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.405047] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.405917] 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 [ 49.408947] RSP: 0018:ffff8880168d7bc0 EFLAGS: 00010286 [ 49.409896] RAX: 0000000000000000 RBX: ffffed1002d1af78 RCX: ffffffff813a4050 [ 49.411124] RDX: ffff888015608000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.412315] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d1af2f [ 49.413516] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.414729] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168d7df8 [ 49.415931] FS: 00007fdb53c5b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.417293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.418281] CR2: 00007ffc89c05ef8 CR3: 000000000d92b000 CR4: 0000000000350ef0 [ 49.419510] Call Trace: [ 49.419945] [ 49.420335] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.421178] ? __create_object+0x59/0x80 [ 49.421907] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.422829] __vmalloc_noprof+0x59/0x60 [ 49.423541] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.424320] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.425186] bpf_prog_alloc+0x39/0x200 [ 49.425876] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.426766] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.427625] do_seccomp+0x349/0x25e0 [ 49.428258] ? find_held_lock+0x2b/0x80 [ 49.428966] ? do_prlimit+0x310/0x610 [ 49.429664] ? __pfx_do_seccomp+0x10/0x10 [ 49.430368] ? do_raw_spin_unlock+0x53/0x220 [ 49.431154] ? _raw_spin_unlock+0x1e/0x40 [ 49.431886] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.432781] ? static_key_count+0x60/0x80 [ 49.433559] prctl_set_seccomp+0x4e/0x70 [ 49.434263] __do_sys_prctl+0xe6c/0x1d70 [ 49.435025] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.435821] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.436732] ? irqentry_exit+0xf3/0x650 [ 49.437398] do_syscall_64+0xbf/0x430 [ 49.438082] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.438976] RIP: 0033:0x7fdb5414d5cd [ 49.439630] 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 [ 49.442604] RSP: 002b:00007ffc89c04bb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.443874] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdb5414d5cd [ 49.445068] RDX: 0000556f3a171e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.446258] RBP: 00007ffc89c04c10 R08: 0000000000000000 R09: 00007ffc89c042b0 [ 49.447476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556f49e92b10 [ 49.448661] R13: 00007ffc89c05040 R14: 0000556f49e932b0 R15: 0000556f49ea76f0 [ 49.449875] [ 49.450273] irq event stamp: 1735 [ 49.450882] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 49.452300] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 49.453717] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 49.455154] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 49.456564] ---[ end trace 0000000000000000 ]--- [ 50.103352] ------------[ cut here ]------------ [ 50.104302] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.106293] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 50.107746] Modules linked in: [ 50.108334] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.110298] Tainted: [W]=WARN [ 50.110910] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.112468] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.113423] 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 [ 50.116986] RSP: 0018:ffff8880172afbc0 EFLAGS: 00010286 [ 50.118061] RAX: 0000000000000000 RBX: ffffed1002e55f78 RCX: ffffffff813a4050 [ 50.119482] RDX: ffff88801731d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.120883] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e55f2f [ 50.122322] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.123726] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172afdf8 [ 50.125141] FS: 00007fbda57a2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.126717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.127882] CR2: 00007fbda5c94580 CR3: 000000000df45000 CR4: 0000000000350ef0 [ 50.129305] Call Trace: [ 50.129859] [ 50.130322] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.131309] ? __create_object+0x59/0x80 [ 50.132169] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.133231] __vmalloc_noprof+0x59/0x60 [ 50.134048] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.135003] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.136047] bpf_prog_alloc+0x39/0x200 [ 50.136846] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.137849] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.138852] do_seccomp+0x349/0x25e0 [ 50.139629] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.140602] ? __pfx_do_seccomp+0x10/0x10 [ 50.141411] ? find_held_lock+0x2b/0x80 [ 50.142233] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.143285] ? static_key_count+0x60/0x80 [ 50.144164] prctl_set_seccomp+0x4e/0x70 [ 50.144998] __do_sys_prctl+0xe6c/0x1d70 [ 50.145840] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.146769] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.147804] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.148853] ? irqentry_exit+0xf3/0x650 [ 50.149667] do_syscall_64+0xbf/0x430 [ 50.150427] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.151482] RIP: 0033:0x7fbda5c945cd [ 50.152193] 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 [ 50.155623] RSP: 002b:00007fff84fe3640 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.157080] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbda5c945cd [ 50.158470] RDX: 000056382ca6be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.159849] RBP: 00007fff84fe36a0 R08: 0000000000000000 R09: 00007fff84fe2d40 [ 50.161216] R10: 0000000000000000 R11: 0000000000000246 R12: 000056383f337ad0 [ 50.162588] R13: 00007fff84fe3ad0 R14: 000056383f338bc0 R15: 000056383f349780 [ 50.163730] [ 50.164088] irq event stamp: 1707 [ 50.164633] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 50.165924] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 50.167216] softirqs last enabled at (1666): [] handle_softirqs+0x50c/0x770 [ 50.168506] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 50.169771] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:19845' (ECDSA) to the list of known hosts. 2025/11/18 15:01:02 fuzzer started 2025/11/18 15:01:02 dialing manager at localhost:34383 2025/11/18 15:01:02 checking machine... 2025/11/18 15:01:02 checking revisions... [ 51.085839] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:01:02 testing simple program... [ 51.176825] cgroup: Unknown subsys name 'net' [ 51.237643] cgroup: Unknown subsys name 'cpuset' [ 51.250943] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:01:01 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff8880188b7f18 RCX=0000000000000001 RDX=ffff8880188b8001 RSI=ffff8880188b7ee8 RDI=ffff88806ce08a80 RBP=ffff8880188b0000 RSP=ffff88806ce089f8 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000231c0 R12=ffff88806ce08a01 R13=ffff88806ce08ab8 R14=ffff8880188b7ee8 R15=ffff88806ce08a70 RIP=ffffffff84c721be 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 00007fdb53c5b900 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=00007fdb53c2a008 CR3=0000000009c05000 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=2031303a31303a353120383120766f4e XMM01=6964206465766965636552203a5d3933 XMM02=6f63736964203a31313a323530353320 XMM03=7266207463656e6e6f63736964206465 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732031303a31303a3531203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff88806cf38500 RCX=0000000000000004 RDX=0000000000000001 RSI=ffffffff81b545af RDI=ffff88806cf38500 RBP=ffff88806cf38500 RSP=ffff8880156af4c0 R8 =ffff88806cf38528 R9 =0000000000000000 R10=0000000000000000 R11=ffffffff81b54417 R12=ffffffff81b545af R13=0000000000000001 R14=ffffffff88594900 R15=dffffc0000000000 RIP=ffffffff81528efc RFL=00000247 [---Z-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 00007f04ce090900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f04cd7a6000 CR3=000000000d6b3000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=eb6bfd882f867e4500000000000ae988 XMM05=a3037d7456f5351600000000003200f8 XMM06=d74844bf967d85ba000000000031eb78 XMM07=fb795ef6d6577056000000000030f108 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000