syzkaller login: [ 39.392015] ------------[ cut here ]------------ [ 39.392914] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.394894] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.396376] Modules linked in: [ 39.397025] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.399073] Tainted: [W]=WARN [ 39.399640] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.401193] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.402122] 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 [ 39.405312] RSP: 0018:ffff88801a127bc0 EFLAGS: 00010286 [ 39.406320] RAX: 0000000000000000 RBX: ffffed1003424f78 RCX: ffffffff813a4050 [ 39.407673] RDX: ffff88801d1fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.408974] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003424f2f [ 39.410290] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.411590] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a127df8 [ 39.412887] FS: 00007f9b38b5c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.414352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.415423] CR2: 00007fff03952ef7 CR3: 0000000009fbf000 CR4: 0000000000350ef0 [ 39.416723] Call Trace: [ 39.417190] [ 39.417604] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.418544] ? __create_object+0x59/0x80 [ 39.419340] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.420347] __vmalloc_noprof+0x59/0x60 [ 39.421110] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.422009] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.422973] bpf_prog_alloc+0x39/0x200 [ 39.423721] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.424609] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.425515] do_seccomp+0x349/0x25e0 [ 39.426236] ? find_held_lock+0x2b/0x80 [ 39.427004] ? do_prlimit+0x310/0x610 [ 39.427754] ? __pfx_do_seccomp+0x10/0x10 [ 39.428516] ? do_raw_spin_unlock+0x53/0x220 [ 39.429349] ? _raw_spin_unlock+0x1e/0x40 [ 39.430154] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.431161] ? static_key_count+0x60/0x80 [ 39.431967] prctl_set_seccomp+0x4e/0x70 [ 39.432747] __do_sys_prctl+0xe6c/0x1d70 [ 39.433501] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.434376] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.435362] ? irqentry_exit+0xf3/0x650 [ 39.436136] do_syscall_64+0xbf/0x430 [ 39.436883] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.437855] RIP: 0033:0x7f9b3904e5cd [ 39.438527] 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 [ 39.441749] RSP: 002b:00007fff03950750 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.443156] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b3904e5cd [ 39.444464] RDX: 000056106595de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.445782] RBP: 00007fff039507b0 R08: 0000000000000000 R09: 00007fff0394fe50 [ 39.447096] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561085c67ad0 [ 39.448404] R13: 00007fff03950be0 R14: 0000561085c68bc0 R15: 0000561085c79780 [ 39.449728] [ 39.450162] irq event stamp: 1733 [ 39.450838] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 39.452378] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 39.453937] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 39.455507] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 39.457051] ---[ end trace 0000000000000000 ]--- [ 43.136527] ------------[ cut here ]------------ [ 43.137451] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.139501] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/245 [ 43.140997] Modules linked in: [ 43.141595] CPU: 0 UID: 104 PID: 245 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.143611] Tainted: [W]=WARN [ 43.144220] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.145717] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.146603] 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 [ 43.149814] RSP: 0018:ffff888016ecfbc0 EFLAGS: 00010286 [ 43.150821] RAX: 0000000000000000 RBX: ffffed1002dd9f78 RCX: ffffffff813a4050 [ 43.152123] RDX: ffff88801b15d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.153422] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dd9f2f [ 43.154733] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.156040] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ecfdf8 [ 43.157336] FS: 00007fd239522900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.158808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.159892] CR2: 00007fd239a14580 CR3: 00000000173ca000 CR4: 0000000000350ef0 [ 43.161202] Call Trace: [ 43.161718] [ 43.162137] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.163059] ? __create_object+0x59/0x80 [ 43.163857] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.164847] __vmalloc_noprof+0x59/0x60 [ 43.165569] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.166461] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.167412] bpf_prog_alloc+0x39/0x200 [ 43.168162] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.169114] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.170026] do_seccomp+0x349/0x25e0 [ 43.170770] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.171639] ? __pfx_do_seccomp+0x10/0x10 [ 43.172444] ? find_held_lock+0x2b/0x80 [ 43.173217] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.174191] ? static_key_count+0x60/0x80 [ 43.175019] prctl_set_seccomp+0x4e/0x70 [ 43.175812] __do_sys_prctl+0xe6c/0x1d70 [ 43.176558] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.177424] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.178415] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.179402] ? irqentry_exit+0xf3/0x650 [ 43.180184] do_syscall_64+0xbf/0x430 [ 43.180936] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.181906] RIP: 0033:0x7fd239a145cd [ 43.182581] 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 [ 43.185778] RSP: 002b:00007ffc5f271170 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.187180] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd239a145cd [ 43.188477] RDX: 00005646e9080e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.189777] RBP: 00007ffc5f2711d0 R08: 0000000000000000 R09: 00007ffc5f270870 [ 43.191087] R10: 0000000000000000 R11: 0000000000000246 R12: 00005646f59962b0 [ 43.192385] R13: 00007ffc5f271600 R14: 00005646f5998d20 R15: 00005646f59aa8d0 [ 43.193710] [ 43.194139] irq event stamp: 1767 [ 43.194861] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 43.196418] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 43.197960] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 43.199528] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 43.201064] ---[ end trace 0000000000000000 ]--- [ 43.990910] ------------[ cut here ]------------ [ 43.991800] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.993807] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/252 [ 43.995225] Modules linked in: [ 43.995857] CPU: 1 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.997798] Tainted: [W]=WARN [ 43.998347] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.999789] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 44.000639] 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 [ 44.003785] RSP: 0018:ffff88801b347bc0 EFLAGS: 00010286 [ 44.004738] RAX: 0000000000000000 RBX: ffffed1003668f78 RCX: ffffffff813a4050 [ 44.006008] RDX: ffff888015c11bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 44.007258] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003668f2f [ 44.008519] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 44.009776] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b347df8 [ 44.011041] FS: 00007fd291d82900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 44.012434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.013471] CR2: 00007fd292274580 CR3: 0000000009c0e000 CR4: 0000000000350ef0 [ 44.014743] Call Trace: [ 44.015198] [ 44.015598] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 44.016474] ? __create_object+0x59/0x80 [ 44.017252] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.018198] __vmalloc_noprof+0x59/0x60 [ 44.018949] bpf_prog_alloc_no_stats+0x55/0x470 [ 44.019833] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.020755] bpf_prog_alloc+0x39/0x200 [ 44.021441] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.022356] bpf_prog_create_from_user+0xb2/0x2f0 [ 44.023256] do_seccomp+0x349/0x25e0 [ 44.023961] ? __pfx_css_rstat_updated+0x10/0x10 [ 44.024847] ? __pfx_do_seccomp+0x10/0x10 [ 44.025577] ? find_held_lock+0x2b/0x80 [ 44.026330] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 44.027279] ? static_key_count+0x60/0x80 [ 44.028078] prctl_set_seccomp+0x4e/0x70 [ 44.028848] __do_sys_prctl+0xe6c/0x1d70 [ 44.029579] ? __pfx___do_sys_prctl+0x10/0x10 [ 44.030427] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.031378] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 44.032319] ? irqentry_exit+0xf3/0x650 [ 44.033077] do_syscall_64+0xbf/0x430 [ 44.033809] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.034759] RIP: 0033:0x7fd2922745cd [ 44.035411] 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 [ 44.038507] RSP: 002b:00007fff688bbf00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 44.039852] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd2922745cd [ 44.041117] RDX: 0000560f087bde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 44.042384] RBP: 00007fff688bbf60 R08: 0000000000000000 R09: 00007fff688bb600 [ 44.043665] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560f1c942ad0 [ 44.044927] R13: 00007fff688bc390 R14: 0000560f1c943bc0 R15: 0000560f1c954780 [ 44.046213] [ 44.046642] irq event stamp: 1685 [ 44.047273] hardirqs last enabled at (1695): [] __up_console_sem+0x78/0x80 [ 44.048777] hardirqs last disabled at (1704): [] __up_console_sem+0x5d/0x80 [ 44.050267] softirqs last enabled at (1674): [] handle_softirqs+0x50c/0x770 [ 44.051795] softirqs last disabled at (1669): [] __irq_exit_rcu+0xc4/0x100 [ 44.053280] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15037' (ECDSA) to the list of known hosts. 2025/11/18 16:38:51 fuzzer started 2025/11/18 16:38:52 dialing manager at localhost:34383 2025/11/18 16:38:52 checking machine... 2025/11/18 16:38:52 checking revisions... [ 44.991254] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:38:52 testing simple program... [ 45.080951] cgroup: Unknown subsys name 'net' [ 45.143352] cgroup: Unknown subsys name 'cpuset' [ 45.159120] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 16:38:51 Registers: info registers vcpu 0 RAX=0000607f1a8842d0 RBX=0000000000000408 RCX=739fcb4f88eb4740 RDX=1ffff11001438bb0 RSI=00000000f576dcad RDI=ffff88806ce31cd0 RBP=ffff88800a1c5d80 RSP=ffff888013b4f7c8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88806ce38480 R13=ffff88807ffdc640 R14=0000000000000006 R15=ffff88800bc43698 RIP=ffffffff81b484e4 RFL=00000202 [-------] 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 00007f31b8ec7700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc5f269ff8 CR3=0000000009c39000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3434325b646873732031353a3833 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363130 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=0000000080010002 RBX=0000000a2d8ef0d8 RCX=ffffffff8162e557 RDX=ffff888009643780 RSI=0000000a2d9df6c0 RDI=0000000000000006 RBP=ffff88806cf28e58 RSP=ffff88806cf08e20 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=0000000a2d8ef0d8 R11=0000000000000001 R12=ffff88806cf28500 R13=ffff88806cf28580 R14=0000000a2d9df6c0 R15=dffffc0000000000 RIP=ffffffff81751767 RFL=00000006 [-----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f32360d0000 CR3=000000000dd86000 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=89dcf5fd989af1bba44a41dec97f7210 XMM02=0000000000301790ec2efd57dc4c00df XMM03=000000000030e58080201447a5e2015b XMM04=fd12e2ae30bccf2100000000000ae988 XMM05=1c030e7e4f5dcdd7000000000031fba0 XMM06=405749d8372a36f1000000000031ec40 XMM07=e042d86d42eb936e000000000030ef68 XMM08=80201447a5e2015b00000000003017f0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000