------------[ cut here ]------------ WARNING: mm/vmalloc.c:4037 at __vmalloc_node_range_noprof+0x610/0x6a4 mm/vmalloc.c:4037, CPU#0: syz.1.4843/19756 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 UID: 0 PID: 19756 Comm: syz.1.4843 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: ARM-Versatile Express Call trace: [<80201998>] (dump_backtrace) from [<80201a8c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:82a20f78 r6:00000000 r5:82336570 r4:00000001 [<80201a74>] (show_stack) from [<8021ec68>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201a74>] (show_stack) from [<8021ec68>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120) [<8021ec0c>] (dump_stack_lvl) from [<8021ec94>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r7:82a20f78 r6:00000000 r5:850224c0 r4:82c85d40 [<8021ec7c>] (dump_stack) from [<80202590>] (vpanic+0x114/0x320 kernel/panic.c:651) [<8020247c>] (vpanic) from [<802027d0>] (trace_suspend_resume+0x0/0x100 kernel/panic.c:788) r7:805241d4 [<8020279c>] (panic) from [<80251b50>] (check_panic_on_warn kernel/panic.c:525 [inline]) [<8020279c>] (panic) from [<80251b50>] (get_taint+0x0/0x1c kernel/panic.c:520) r3:82a0b144 r2:00000001 r1:8231c298 r0:82323c10 [<80251ad8>] (check_panic_on_warn) from [<80251ccc>] (__warn+0x98/0x1a4 kernel/panic.c:1104) [<80251c34>] (__warn) from [<80251f50>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:1136) r8:00000009 r7:82352930 r6:df9a9d4c r5:850224c0 r4:00000000 [<80251ddc>] (warn_slowpath_fmt) from [<805241d4>] (__vmalloc_node_range_noprof+0x610/0x6a4 mm/vmalloc.c:4037) r10:ffffffff r9:ff800000 r8:00000dc0 r7:00000002 r6:10000000 r5:df800000 r4:00000000 [<80523bc4>] (__vmalloc_node_range_noprof) from [<805244d0>] (__vmalloc_node_noprof mm/vmalloc.c:4165 [inline]) [<80523bc4>] (__vmalloc_node_range_noprof) from [<805244d0>] (vzalloc_noprof+0x6c/0x74 mm/vmalloc.c:4243) r10:867ee190 r9:00000000 r8:831d13e4 r7:00000002 r6:10000000 r5:831d13c0 r4:00000000 [<80524464>] (vzalloc_noprof) from [<80c2086c>] (zram_meta_alloc drivers/block/zram/zram_drv.c:1990 [inline]) [<80524464>] (vzalloc_noprof) from [<80c2086c>] (disksize_store+0x80/0x1dc drivers/block/zram/zram_drv.c:2880) r4:00000000 [<80c207ec>] (disksize_store) from [<80bd68c0>] (dev_attr_store+0x1c/0x28 drivers/base/core.c:2505) r10:867ee190 r9:00000000 r8:83487c78 r7:85b4da80 r6:81d5b598 r5:80bd68a4 r4:80c207ec r3:00000002 [<80bd68a4>] (dev_attr_store) from [<8067e3b4>] (sysfs_kf_write+0x70/0x7c fs/sysfs/file.c:145) r5:80bd68a4 r4:00000002 [<8067e344>] (sysfs_kf_write) from [<8067c450>] (kernfs_fop_write_iter+0x134/0x214 fs/kernfs/file.c:345) r9:00000000 r8:00000000 r7:df9a9f08 r6:867ee180 r5:00000002 r4:85b4da80 [<8067c31c>] (kernfs_fop_write_iter) from [<805a1390>] (new_sync_write fs/read_write.c:595 [inline]) [<8067c31c>] (kernfs_fop_write_iter) from [<805a1390>] (vfs_write fs/read_write.c:687 [inline]) [<8067c31c>] (kernfs_fop_write_iter) from [<805a1390>] (vfs_write+0x27c/0x42c fs/read_write.c:667) r10:81c2d60c r9:850224c0 r8:8067c31c r7:df9a9f68 r6:20000140 r5:8383b580 r4:00000002 [<805a1114>] (vfs_write) from [<805a16b4>] (ksys_write+0x74/0xec fs/read_write.c:739) r10:00000004 r9:850224c0 r8:8020029c r7:00000000 r6:00000000 r5:8383b580 r4:8383b583 [<805a1640>] (ksys_write) from [<805a173c>] (__do_sys_write fs/read_write.c:750 [inline]) [<805a1640>] (ksys_write) from [<805a173c>] (sys_write+0x10/0x14 fs/read_write.c:747) r7:00000004 r6:00356310 r5:00000000 r4:00000000 [<805a172c>] (sys_write) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67) Exception stack(0xdf9a9fa8 to 0xdf9a9ff0) 9fa0: 00000000 00000000 00000003 20000140 00000002 00000000 9fc0: 00000000 00000000 00356310 00000004 003562d8 00000000 00000001 76f750dc 9fe0: 76f74e88 76f74e78 00018fa0 00130a50 Rebooting in 86400 seconds..