syzkaller login: [ 54.158090] ------------[ cut here ]------------ [ 54.159150] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 54.161359] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 54.162966] Modules linked in: [ 54.163628] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 54.165793] Tainted: [W]=WARN [ 54.166453] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.167905] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 54.168754] 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 [ 54.171879] RSP: 0018:ffff888013e7fbc0 EFLAGS: 00010286 [ 54.172793] RAX: 0000000000000000 RBX: ffffed10027cff78 RCX: ffffffff813a4050 [ 54.174057] RDX: ffff88800f168000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 54.175338] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027cff2f [ 54.176610] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 54.177876] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013e7fdf8 [ 54.179161] FS: 00007fe3130aa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 54.180574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.181620] CR2: 00007ffe249bcef7 CR3: 0000000018520000 CR4: 0000000000350ef0 [ 54.182883] Call Trace: [ 54.183360] [ 54.183764] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 54.184661] ? __create_object+0x59/0x80 [ 54.185434] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 54.186389] __vmalloc_noprof+0x59/0x60 [ 54.187155] bpf_prog_alloc_no_stats+0x55/0x470 [ 54.188029] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.188962] bpf_prog_alloc+0x39/0x200 [ 54.189659] ? __pfx_seccomp_check_filter+0x10/0x10 [ 54.190592] bpf_prog_create_from_user+0xb2/0x2f0 [ 54.191551] do_seccomp+0x349/0x25e0 [ 54.192178] ? find_held_lock+0x2b/0x80 [ 54.192809] ? do_prlimit+0x310/0x610 [ 54.193463] ? __pfx_do_seccomp+0x10/0x10 [ 54.194149] ? do_raw_spin_unlock+0x53/0x220 [ 54.194881] ? _raw_spin_unlock+0x1e/0x40 [ 54.195541] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 54.196382] ? static_key_count+0x60/0x80 [ 54.197082] prctl_set_seccomp+0x4e/0x70 [ 54.197724] __do_sys_prctl+0xe6c/0x1d70 [ 54.198409] ? __pfx___do_sys_prctl+0x10/0x10 [ 54.199187] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 54.200045] ? irqentry_exit+0xf3/0x650 [ 54.200684] do_syscall_64+0xbf/0x430 [ 54.201337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 54.202185] RIP: 0033:0x7fe31359c5cd [ 54.202775] 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 [ 54.205608] RSP: 002b:00007ffe249bbe90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 54.206836] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe31359c5cd [ 54.208009] RDX: 000056262301ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 54.209159] RBP: 00007ffe249bbef0 R08: 0000000000000000 R09: 00007ffe249bb590 [ 54.210310] R10: 0000000000000000 R11: 0000000000000246 R12: 00005626393fc2b0 [ 54.211528] R13: 00007ffe249bc320 R14: 00005626393fed20 R15: 00005626394108d0 [ 54.212696] [ 54.213118] irq event stamp: 1721 [ 54.213663] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 54.215051] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 54.216424] softirqs last enabled at (1640): [] handle_softirqs+0x50c/0x770 [ 54.217818] softirqs last disabled at (1633): [] __irq_exit_rcu+0xc4/0x100 [ 54.219216] ---[ end trace 0000000000000000 ]--- [ 57.301507] ------------[ cut here ]------------ [ 57.302439] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 57.304433] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/254 [ 57.305883] Modules linked in: [ 57.306474] CPU: 1 UID: 104 PID: 254 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 57.308469] Tainted: [W]=WARN [ 57.309063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.310751] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 57.311730] 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 [ 57.314860] RSP: 0018:ffff88800f2b7bc0 EFLAGS: 00010286 [ 57.315789] RAX: 0000000000000000 RBX: ffffed1001e56f78 RCX: ffffffff813a4050 [ 57.317061] RDX: ffff888015980000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 57.318346] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e56f2f [ 57.319630] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 57.320914] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f2b7df8 [ 57.322192] FS: 00007f7feebff900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 57.323638] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.324692] CR2: 00007fff2fd2eef7 CR3: 000000001bb69000 CR4: 0000000000350ef0 [ 57.325967] Call Trace: [ 57.326426] [ 57.326830] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 57.327730] ? __create_object+0x59/0x80 [ 57.328521] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 57.329479] __vmalloc_noprof+0x59/0x60 [ 57.330238] bpf_prog_alloc_no_stats+0x55/0x470 [ 57.331113] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.332042] bpf_prog_alloc+0x39/0x200 [ 57.332730] ? __pfx_seccomp_check_filter+0x10/0x10 [ 57.333653] bpf_prog_create_from_user+0xb2/0x2f0 [ 57.334562] do_seccomp+0x349/0x25e0 [ 57.335280] ? find_held_lock+0x2b/0x80 [ 57.336048] ? do_prlimit+0x310/0x610 [ 57.336746] ? __pfx_do_seccomp+0x10/0x10 [ 57.337522] ? do_raw_spin_unlock+0x53/0x220 [ 57.338357] ? _raw_spin_unlock+0x1e/0x40 [ 57.339145] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 57.340118] ? static_key_count+0x60/0x80 [ 57.340903] prctl_set_seccomp+0x4e/0x70 [ 57.341634] __do_sys_prctl+0xe6c/0x1d70 [ 57.342428] ? __pfx___do_sys_prctl+0x10/0x10 [ 57.343294] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 57.344257] ? irqentry_exit+0xf3/0x650 [ 57.345022] do_syscall_64+0xbf/0x430 [ 57.345717] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 57.346678] RIP: 0033:0x7f7fef0f15cd [ 57.347407] 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 [ 57.350586] RSP: 002b:00007fff2fd2c8a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 57.351971] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7fef0f15cd [ 57.353249] RDX: 000055a802222e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 57.354527] RBP: 00007fff2fd2c900 R08: 0000000000000000 R09: 00007fff2fd2bfa0 [ 57.355814] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a83a155b10 [ 57.357120] R13: 00007fff2fd2cd30 R14: 000055a83a1562b0 R15: 000055a83a16a6f0 [ 57.358391] [ 57.358801] irq event stamp: 1795 [ 57.359461] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 57.360936] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 57.362404] softirqs last enabled at (1808): [] handle_softirqs+0x50c/0x770 [ 57.363855] softirqs last disabled at (1803): [] __irq_exit_rcu+0xc4/0x100 [ 57.365065] ---[ end trace 0000000000000000 ]--- [ 58.144466] ------------[ cut here ]------------ [ 58.145282] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 58.147042] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/261 [ 58.148341] Modules linked in: [ 58.148895] CPU: 1 UID: 104 PID: 261 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 58.150612] Tainted: [W]=WARN [ 58.151144] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.152415] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 58.153199] 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 [ 58.155946] RSP: 0018:ffff888016b9fbc0 EFLAGS: 00010286 [ 58.156747] RAX: 0000000000000000 RBX: ffffed1002d73f78 RCX: ffffffff813a4050 [ 58.157861] RDX: ffff8880097ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 58.158961] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d73f2f [ 58.160092] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 58.161187] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b9fdf8 [ 58.162288] FS: 00007f855a117900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 58.163560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.164484] CR2: 00007ffea36e0ef7 CR3: 000000000c8b4000 CR4: 0000000000350ef0 [ 58.165603] Call Trace: [ 58.166043] [ 58.166393] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 58.167196] ? __create_object+0x59/0x80 [ 58.167876] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 58.168681] __vmalloc_noprof+0x59/0x60 [ 58.169352] bpf_prog_alloc_no_stats+0x55/0x470 [ 58.170112] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.170913] bpf_prog_alloc+0x39/0x200 [ 58.171528] ? __pfx_seccomp_check_filter+0x10/0x10 [ 58.172352] bpf_prog_create_from_user+0xb2/0x2f0 [ 58.173142] do_seccomp+0x349/0x25e0 [ 58.173724] ? find_held_lock+0x2b/0x80 [ 58.174377] ? do_prlimit+0x310/0x610 [ 58.175021] ? __pfx_do_seccomp+0x10/0x10 [ 58.175679] ? do_raw_spin_unlock+0x53/0x220 [ 58.176397] ? _raw_spin_unlock+0x1e/0x40 [ 58.177080] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 58.177915] ? static_key_count+0x60/0x80 [ 58.178572] prctl_set_seccomp+0x4e/0x70 [ 58.179273] __do_sys_prctl+0xe6c/0x1d70 [ 58.179963] ? __pfx___do_sys_prctl+0x10/0x10 [ 58.180679] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 58.181522] ? irqentry_exit+0xf3/0x650 [ 58.182191] do_syscall_64+0xbf/0x430 [ 58.182811] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 58.183648] RIP: 0033:0x7f855a6095cd [ 58.184260] 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 [ 58.187032] RSP: 002b:00007ffea36df690 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 58.188246] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f855a6095cd [ 58.189374] RDX: 0000562c3f7aae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 58.190500] RBP: 00007ffea36df6f0 R08: 0000000000000000 R09: 00007ffea36ded90 [ 58.191635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562c4bf2d2b0 [ 58.192762] R13: 00007ffea36dfb20 R14: 0000562c4bf2fd20 R15: 0000562c4bf418d0 [ 58.193916] [ 58.194292] irq event stamp: 1705 [ 58.194872] hardirqs last enabled at (1715): [] irqentry_exit+0x17b/0x650 [ 58.196222] hardirqs last disabled at (1724): [] __up_console_sem+0x5d/0x80 [ 58.197580] softirqs last enabled at (1392): [] handle_softirqs+0x50c/0x770 [ 58.198956] softirqs last disabled at (1381): [] __irq_exit_rcu+0xc4/0x100 [ 58.200317] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:62480' (ECDSA) to the list of known hosts. 2025/11/18 23:00:06 fuzzer started 2025/11/18 23:00:06 dialing manager at localhost:34383 2025/11/18 23:00:07 checking machine... 2025/11/18 23:00:07 checking revisions... [ 59.130042] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:00:07 testing simple program... [ 59.221619] cgroup: Unknown subsys name 'net' [ 59.298418] cgroup: Unknown subsys name 'cpuset' [ 59.311929] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 23:00:06 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff85f10a20 RCX=ffffffff8152da53 RDX=1ffffffff0be2146 RSI=0000000000000004 RDI=ffffffff85f10a20 RBP=ffffffff85f10a28 RSP=ffff888009627b28 R8 =0000000000000000 R9 =fffffbfff0be2144 R10=ffffffff85f10a23 R11=0000000000000001 R12=ffffffff85f10a30 R13=0000000000000246 R14=ffff888008c41780 R15=0000000000000000 RIP=ffffffff8152db02 RFL=00000046 [---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 0000000000000000 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=00007fff2fd26000 CR3=000000001858e000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002cda9 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=00007ffd97eba828 CR3=000000000b6a2000 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=2035303a30303a333220383120766f4e XMM01=73732878696e755f6d6170203a5d3335 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3335325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035303a30303a3332203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000