syzkaller login: [ 46.864889] ------------[ cut here ]------------ [ 46.865625] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.867335] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 46.868560] Modules linked in: [ 46.869080] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.870753] Tainted: [W]=WARN [ 46.871258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.872506] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.873273] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 46.875911] RSP: 0018:ffff88800fc37bc0 EFLAGS: 00010286 [ 46.876696] RAX: 0000000000000000 RBX: ffffed1001f86f78 RCX: ffffffff813a4050 [ 46.877783] RDX: ffff8880171a1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.878873] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f86f2f [ 46.879949] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.881028] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800fc37df8 [ 46.882104] FS: 00007fa09e2ca900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.883301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.884192] CR2: 00007fff40aefef8 CR3: 000000000d5b7000 CR4: 0000000000350ef0 [ 46.885270] Call Trace: [ 46.885652] [ 46.886028] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.886740] ? __create_object+0x59/0x80 [ 46.887393] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.888205] __vmalloc_noprof+0x59/0x60 [ 46.888799] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.889527] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.890315] bpf_prog_alloc+0x39/0x200 [ 46.890934] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.891672] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.892437] do_seccomp+0x349/0x25e0 [ 46.893036] ? find_held_lock+0x2b/0x80 [ 46.893630] ? do_prlimit+0x310/0x610 [ 46.894257] ? __pfx_do_seccomp+0x10/0x10 [ 46.894919] ? do_raw_spin_unlock+0x53/0x220 [ 46.895571] ? _raw_spin_unlock+0x1e/0x40 [ 46.896220] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.897024] ? static_key_count+0x60/0x80 [ 46.897655] prctl_set_seccomp+0x4e/0x70 [ 46.898309] __do_sys_prctl+0xe6c/0x1d70 [ 46.898970] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.899649] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.900464] ? irqentry_exit+0xf3/0x650 [ 46.901109] do_syscall_64+0xbf/0x430 [ 46.901690] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.902481] RIP: 0033:0x7fa09e7bc5cd [ 46.903065] 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 [ 46.905730] RSP: 002b:00007fff40aeec60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.906872] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa09e7bc5cd [ 46.908060] RDX: 000055b89efc8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.909118] RBP: 00007fff40aeecc0 R08: 0000000000000000 R09: 00007fff40aee360 [ 46.910151] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b8d017fbf0 [ 46.911174] R13: 00007fff40aef0f0 R14: 000055b8d0189380 R15: 000055b8d0194460 [ 46.912251] [ 46.912591] irq event stamp: 1713 [ 46.913124] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 46.914346] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 46.915568] softirqs last enabled at (1304): [] handle_softirqs+0x50c/0x770 [ 46.916826] softirqs last disabled at (1289): [] __irq_exit_rcu+0xc4/0x100 [ 46.918084] ---[ end trace 0000000000000000 ]--- [ 49.744533] ------------[ cut here ]------------ [ 49.745442] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.747502] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 49.749199] Modules linked in: [ 49.749778] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.751795] Tainted: [W]=WARN [ 49.752398] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.753864] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.754712] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 49.757821] RSP: 0018:ffff888016d6fbc0 EFLAGS: 00010286 [ 49.758766] RAX: 0000000000000000 RBX: ffffed1002dadf78 RCX: ffffffff813a4050 [ 49.760035] RDX: ffff88800b298000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.761320] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dadf2f [ 49.762586] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.763886] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d6fdf8 [ 49.765163] FS: 00007f79552cb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.766598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.767655] CR2: 00007f79558314a6 CR3: 00000000201d3000 CR4: 0000000000350ef0 [ 49.768973] Call Trace: [ 49.769432] [ 49.769883] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.770731] ? __create_object+0x59/0x80 [ 49.771501] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.772465] __vmalloc_noprof+0x59/0x60 [ 49.773215] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.774080] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.775001] bpf_prog_alloc+0x39/0x200 [ 49.775684] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.776608] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.777506] do_seccomp+0x349/0x25e0 [ 49.778218] ? find_held_lock+0x2b/0x80 [ 49.778991] ? do_prlimit+0x310/0x610 [ 49.779678] ? __pfx_do_seccomp+0x10/0x10 [ 49.780466] ? do_raw_spin_unlock+0x53/0x220 [ 49.781291] ? _raw_spin_unlock+0x1e/0x40 [ 49.782056] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.783014] ? static_key_count+0x60/0x80 [ 49.783766] prctl_set_seccomp+0x4e/0x70 [ 49.784555] __do_sys_prctl+0xe6c/0x1d70 [ 49.785346] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.786232] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.787253] ? irqentry_exit+0xf3/0x650 [ 49.788059] do_syscall_64+0xbf/0x430 [ 49.788800] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.789767] RIP: 0033:0x7f79557bd5cd [ 49.790471] 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 [ 49.793654] RSP: 002b:00007ffddf2df210 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.794981] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79557bd5cd [ 49.796250] RDX: 0000562e74375e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.797503] RBP: 00007ffddf2df270 R08: 0000000000000000 R09: 00007ffddf2de910 [ 49.798745] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562e980bfad0 [ 49.800003] R13: 00007ffddf2df6a0 R14: 0000562e980c0bc0 R15: 0000562e980d1780 [ 49.801165] [ 49.801513] irq event stamp: 1777 [ 49.802067] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 49.803362] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 49.804615] softirqs last enabled at (1756): [] handle_softirqs+0x50c/0x770 [ 49.805871] softirqs last disabled at (1751): [] __irq_exit_rcu+0xc4/0x100 [ 49.807130] ---[ end trace 0000000000000000 ]--- [ 50.464327] ------------[ cut here ]------------ [ 50.465099] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.466797] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.469223] Modules linked in: [ 50.469713] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.471630] Tainted: [W]=WARN [ 50.472126] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.473386] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.474147] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 50.476858] RSP: 0018:ffff88801aa97bc0 EFLAGS: 00010286 [ 50.477652] RAX: 0000000000000000 RBX: ffffed1003552f78 RCX: ffffffff813a4050 [ 50.478727] RDX: ffff88801a649bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.479810] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003552f2f [ 50.480893] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.481974] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801aa97df8 [ 50.483042] FS: 00007f4573494900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.484256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.485139] CR2: 00007f4573986580 CR3: 000000000d2b2000 CR4: 0000000000350ef0 [ 50.486223] Call Trace: [ 50.486620] [ 50.487003] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.487721] ? __create_object+0x59/0x80 [ 50.488396] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.489207] __vmalloc_noprof+0x59/0x60 [ 50.489808] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.490531] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.491325] bpf_prog_alloc+0x39/0x200 [ 50.491954] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.492703] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.493462] do_seccomp+0x349/0x25e0 [ 50.494058] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.494784] ? __pfx_do_seccomp+0x10/0x10 [ 50.495453] ? find_held_lock+0x2b/0x80 [ 50.496091] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.496926] ? static_key_count+0x60/0x80 [ 50.497573] prctl_set_seccomp+0x4e/0x70 [ 50.498232] __do_sys_prctl+0xe6c/0x1d70 [ 50.498890] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.499572] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.500391] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.501207] ? irqentry_exit+0xf3/0x650 [ 50.501816] do_syscall_64+0xbf/0x430 [ 50.502451] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.503257] RIP: 0033:0x7f45739865cd [ 50.503806] 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 [ 50.506513] RSP: 002b:00007ffc036198e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.507674] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f45739865cd [ 50.508766] RDX: 0000558d39370e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.509821] RBP: 00007ffc03619940 R08: 0000000000000000 R09: 00007ffc03618fe0 [ 50.510899] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558d76c15ad0 [ 50.511980] R13: 00007ffc03619d70 R14: 0000558d76c16bc0 R15: 0000558d76c27780 [ 50.513096] [ 50.513449] irq event stamp: 2113 [ 50.513990] hardirqs last enabled at (2123): [] __up_console_sem+0x78/0x80 [ 50.515271] hardirqs last disabled at (2132): [] __up_console_sem+0x5d/0x80 [ 50.516549] softirqs last enabled at (2050): [] handle_softirqs+0x50c/0x770 [ 50.517857] softirqs last disabled at (2045): [] __irq_exit_rcu+0xc4/0x100 [ 50.519143] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54184' (ECDSA) to the list of known hosts. 2025/11/17 15:33:51 fuzzer started 2025/11/17 15:33:51 dialing manager at localhost:37895 2025/11/17 15:33:51 checking machine... 2025/11/17 15:33:51 checking revisions... [ 51.386710] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:33:51 testing simple program... [ 51.475199] cgroup: Unknown subsys name 'net' [ 51.546216] cgroup: Unknown subsys name 'cpuset' [ 51.561433] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:33:50 Registers: info registers vcpu 0 RAX=0000000000044813 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7a9b2d0020 CR3=000000000dcee000 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=2030353a33333a353120373120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030353a33333a3531203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88800e4c1378 RBX=ffff88800d59ba80 RCX=0000000000000000 RDX=0000000000000000 RSI=ffff888008c4b77f RDI=ffff888008c4b701 RBP=ffff888008c4b780 RSP=ffff88801774fa30 R8 =0000000000000001 R9 =ffffffff81b2e2bb R10=ffffea0000393040 R11=0000000000000001 R12=0000000000000000 R13=ffff88801774fa68 R14=ffff88800e4c16f0 R15=ffff88800e4c16f0 RIP=ffffffff81b2e298 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 00007f79552cb900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffddf2d9000 CR3=0000000020182000 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=6720646572637465733a4d41503d706f 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